支持RedisTemplate、Redisson、Zookeeper 简单可靠的分布式锁 快速启动器。
+
+# 常见问题
+
+1. 多个库的事物如何处理？
+
+**不能 不能 不能**，一个业务操作涉及多个库不要加事物。
+
+2. 是否支持JPA？
+
+不完全支持，受限于JPA底层，你只能在一个controller下切换第一个库，第二个库不能切换。（如有解决办法请联系作者）
diff --git a/license.txt b/license.txt
new file mode 100644
index 0000000..8470bb2
--- /dev/null
+++ b/license.txt
@@ -0,0 +1,14 @@
+Copyright © ${project.inceptionYear} organization baomidou
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+ 4.0.0
+
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 1.5.1.RELEASE
+
+
+ com.baomidou
+ dynamic-datasource-spring-boot-starter
+ 2.4.0
+ jar
+
+ dynamic-datasource-spring-boot-starter
+ dynamic datasource with annotation
+ 2018
+
+
+
+ Apache License, Version 2.0
+ http://www.apache.org/licenses/LICENSE-2.0
+
+
+
+
+ baomidou
+ https://gitee.com/baomidou
+
+
+
+
+ TaoYu
+ tracy5546@gmail.com
+
+
+ KanYuXia
+ kanyuxia@outlook.com
+
+
+
+
+ https://github.com/baomidou/dynamic-datasource-spring-boot-starter
+ scm:git:https://github.com/baomidou/dynamic-datasource-spring-boot-starter.git
+ scm:git:https://github.com/baomidou/dynamic-datasource-spring-boot-starter.git
+
+ HEAD
+
+
+
+ UTF-8
+ UTF-8
+ 1.7
+
+
+
+
+ org.springframework.boot
+ spring-boot-starter-jdbc
+
+
+ org.springframework.boot
+ spring-boot-starter-aop
+
+
+ org.springframework.boot
+ spring-boot-starter-web
+ true
+
+
+ com.alibaba
+ druid-spring-boot-starter
+ 1.1.10
+ true
+
+
+ com.baomidou
+ mybatis-plus-boot-starter
+ 3.0.5
+ true
+
+
+ com.zaxxer
+ HikariCP
+ 2.7.0
+ true
+
+
+ org.springframework.boot
+ spring-boot-configuration-processor
+ true
+
+
+ org.projectlombok
+ lombok
+ true
+
+
+ p6spy
+ p6spy
+ 3.8.0
+ true
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.8.0
+
+ ${java.version}
+ ${java.version}
+
+
+
+ com.mycila
+ license-maven-plugin
+ 3.0
+
+ ${project.basedir}/license.txt
+
+ src/main/java/**
+
+
+
+
+
+ check
+
+
+
+
+
+
+
+
+
+ release
+
+
+ ossrh
+ https://oss.sonatype.org/content/repositories/snapshots
+
+
+ ossrh
+ https://oss.sonatype.org/service/local/staging/deploy/maven2/
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-javadoc-plugin
+
+
+ attach-javadocs
+
+ jar
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-source-plugin
+
+
+ package
+
+ jar-no-fork
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-gpg-plugin
+ 1.6
+
+
+ sign-artifacts
+ verify
+
+ sign
+
+
+
+
+
+ org.sonatype.plugins
+ nexus-staging-maven-plugin
+ 1.6.8
+ true
+
+ ossrh
+ https://oss.sonatype.org/
+ true
+
+
+
+
+
+
+
+
diff --git a/samples/.gitignore b/samples/.gitignore
new file mode 100644
index 0000000..19240d3
--- /dev/null
+++ b/samples/.gitignore
@@ -0,0 +1,25 @@
+*/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/build/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
\ No newline at end of file
diff --git a/samples/README.md b/samples/README.md
new file mode 100644
index 0000000..89db2a2
--- /dev/null
+++ b/samples/README.md
@@ -0,0 +1,13 @@
+# 演示例子
+
+所有数据库连接为h2数据库，仅供测试。
+
+所有测试可直接跑，注意启动的日志。
+
+1. dynamic-jdbc-template-sample 原生jdbcTemplate下使用的示范
+2. dynamic-mybatis-sample 原生mybatis下使用的示范
+3. dynamic-mybatisplus2-sample mybatisPlus2下使用的示范
+4. dynamic-mybatisplus3-sample mybatisPlus3下使用的示范
+5. dynamic-druid-mybatis-sample mybatis和druid下使用的示范
+6. dynamic-spel-sample mybatis和从参数获取数据源下使用的示范（高级）适用于多租户
+7. dynamic-nest-sample 嵌套切换示范
\ No newline at end of file
diff --git a/samples/dynamic-druid-mybatis-sample/pom.xml b/samples/dynamic-druid-mybatis-sample/pom.xml
new file mode 100644
index 0000000..528d313
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/pom.xml
@@ -0,0 +1,31 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-druid-mybatis-sample
+
+
+
+ org.mybatis.spring.boot
+ mybatis-spring-boot-starter
+ 1.3.2
+
+
+ com.alibaba
+ druid-spring-boot-starter
+ 1.1.10
+
+
+ p6spy
+ p6spy
+ 3.8.0
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/Application.java b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/Application.java
new file mode 100644
index 0000000..a5803f9
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/Application.java
@@ -0,0 +1,16 @@
+package com.baomidou.samples.druid.mybatis;
+
+import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceAutoConfigure;
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication(exclude = DruidDataSourceAutoConfigure.class)
+@MapperScan("com.baomidou.samples.druid.mybatis.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/entity/User.java b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/entity/User.java
new file mode 100644
index 0000000..76ad779
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/entity/User.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.druid.mybatis.entity;
+
+public class User {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/mapper/UserMapper.java b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/mapper/UserMapper.java
new file mode 100644
index 0000000..e0ae233
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/mapper/UserMapper.java
@@ -0,0 +1,17 @@
+package com.baomidou.samples.druid.mybatis.mapper;
+
+import com.baomidou.samples.druid.mybatis.entity.User;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+public interface UserMapper {
+
+ @Insert("INSERT INTO user (name,age) values (#{name},#{age})")
+ boolean addUser(@Param("name") String name, @Param("age") Integer age);
+
+ @Select("SELECT * FROM user where age > #{age}")
+ List selectUsers(@Param("age") Integer age);
+}
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/UserService.java b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/UserService.java
new file mode 100644
index 0000000..f189b13
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/UserService.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.druid.mybatis.service;
+
+
+import com.baomidou.samples.druid.mybatis.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+
+ void addUser(User user);
+
+ List selectUsersFromDs();
+
+ List selectUserFromDsGroup();
+}
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/impl/UserServiceImpl.java b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..1773cf1
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/java/com/baomidou/samples/druid/mybatis/service/impl/UserServiceImpl.java
@@ -0,0 +1,35 @@
+package com.baomidou.samples.druid.mybatis.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.druid.mybatis.entity.User;
+import com.baomidou.samples.druid.mybatis.mapper.UserMapper;
+import com.baomidou.samples.druid.mybatis.service.UserService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+
+ @Resource
+ private UserMapper userMapper;
+
+ @Override
+ public void addUser(User user) {
+ userMapper.addUser(user.getName(), user.getAge());
+ }
+
+ @DS("slave_1")
+ @Override
+ public List selectUsersFromDs() {
+ return userMapper.selectUsers(1);
+ }
+
+ @DS("slave")
+ @Override
+ public List selectUserFromDsGroup() {
+ return userMapper.selectUsers(1);
+ }
+}
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/resources/application.yml b/samples/dynamic-druid-mybatis-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..2520e8d
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/resources/application.yml
@@ -0,0 +1,69 @@
+spring:
+ datasource:
+ dynamic:
+ p6spy: true
+ # druid: #以下是全局默认值，可以全局更改
+ # initial-size:
+ # max-active:
+ # min-idle:
+ # max-wait:
+ # time-between-eviction-runs-millis:
+ # time-between-log-stats-millis:
+ # stat-sqlmax-size:
+ # min-evictable-idle-time-millis:
+ # max-evictable-idle-time-millis:
+ # test-while-idle:
+ # test-on-borrow:
+ # test-on-return:
+ # validation-query:
+ # validation-query-timeout:
+ # use-global-datasource-stat:
+ # async-init:
+ # clear-filters-enable:
+ # reset-stat-enable:
+ # not-full-timeout-retry-count:
+ # max-wait-thread-count:
+ # fail-fast:
+ # phyTimeout-millis:
+ # keep-alive:
+ # pool-prepared-statements:
+ # init-variants:
+ # init-global-variants:
+ # use-unfair-lock:
+ # kill-when-socket-read-timeout:
+ # connection-properties:
+ # max-pool-prepared-statement-per-connection-size:
+ # init-connection-sqls:
+ # share-prepared-statements:
+ # connection-errorretry-attempts:
+ # break-after-acquire-failure:
+ # filters: stat,wall # 注意这个值和druid原生不一致，默认启动了stat,wall
+ datasource:
+ master:
+ username: sa
+ password: "LYIXYTfaq9ug7bqAfcoU1gQovp/Atx7wsdJ5D7oFN5QMqZUI4OGHyMkCA7IxtYAIQr/8cMVFGo9oa/mqtMrzmQ=="
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ druid: #这里可以重写默认值
+ initial-size: 5
+ public-key: MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAKUVA/IL/iON8f63bv2i/pIAK+1sXY228slLkTKrI9axwBMIoPV7+PqdRTv6uqMl3j6nei0EDBWEu/Wp/qOQ/ScCAwEAAQ==
+ slave_1:
+ username: sa
+ password: "123456"
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ druid:
+ initial-size: 6
+ slave_2:
+ username: sa
+ password: "123456"
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_3:
+ username: sa
+ password: "123456"
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-druid-mybatis-sample/src/main/resources/spy.properties b/samples/dynamic-druid-mybatis-sample/src/main/resources/spy.properties
new file mode 100644
index 0000000..3358547
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/main/resources/spy.properties
@@ -0,0 +1 @@
+appender=com.p6spy.engine.spy.appender.Slf4JLogger
\ No newline at end of file
diff --git a/samples/dynamic-druid-mybatis-sample/src/test/java/com/baomidou/samples/druid/mybatis/test/ApplicationTest.java b/samples/dynamic-druid-mybatis-sample/src/test/java/com/baomidou/samples/druid/mybatis/test/ApplicationTest.java
new file mode 100644
index 0000000..0f2788e
--- /dev/null
+++ b/samples/dynamic-druid-mybatis-sample/src/test/java/com/baomidou/samples/druid/mybatis/test/ApplicationTest.java
@@ -0,0 +1,65 @@
+package com.baomidou.samples.druid.mybatis.test;
+
+import com.baomidou.samples.druid.mybatis.Application;
+import com.baomidou.samples.druid.mybatis.entity.User;
+import com.baomidou.samples.druid.mybatis.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private UserService userService;
+
+ @Autowired
+ private DataSource dataSource;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ @Test
+ public void addUser() {
+ User user = new User();
+ user.setName("测试用户" + random.nextInt());
+ user.setAge(random.nextInt(100));
+ userService.addUser(user);
+ }
+
+ @Test
+ public void selectUsersFromDs() {
+ userService.selectUsersFromDs();
+ }
+
+ @Test
+ public void selectUserFromDsGroup() {
+ userService.selectUserFromDsGroup();
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-jdbc-template-sample/pom.xml b/samples/dynamic-jdbc-template-sample/pom.xml
new file mode 100644
index 0000000..6feb7ba
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/pom.xml
@@ -0,0 +1,20 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-jdbc-template-sample
+
+
+
+ org.springframework.boot
+ spring-boot-starter-jdbc
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/Application.java b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/Application.java
new file mode 100644
index 0000000..7cc3883
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/Application.java
@@ -0,0 +1,22 @@
+package com.baomidou.samples.jdbc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import javax.sql.DataSource;
+
+@SpringBootApplication
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+ @Bean
+ public JdbcTemplate jdbcTemplate(DataSource dataSource) {
+ return new JdbcTemplate(dataSource);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/entity/User.java b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/entity/User.java
new file mode 100644
index 0000000..bf2ac67
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/entity/User.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.jdbc.entity;
+
+public class User {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/UserService.java b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/UserService.java
new file mode 100644
index 0000000..b9730ae
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/UserService.java
@@ -0,0 +1,14 @@
+package com.baomidou.samples.jdbc.service;
+
+import com.baomidou.samples.jdbc.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+
+ void addUser(User user);
+
+ List selectUsersFromDs();
+
+ List selectUserFromDsGroup();
+}
diff --git a/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/impl/UserServiceImpl.java b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..08cedd7
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/main/java/com/baomidou/samples/jdbc/service/impl/UserServiceImpl.java
@@ -0,0 +1,35 @@
+package com.baomidou.samples.jdbc.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.jdbc.entity.User;
+import com.baomidou.samples.jdbc.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+
+ @Autowired
+ private JdbcTemplate jdbcTemplate;
+
+ @Override
+ public void addUser(User user) {
+ jdbcTemplate.update("INSERT INTO user (name,age) VALUES(?, ?)", new Object[]{user.getName(), user.getAge()});
+ }
+
+ @DS("slave_1")
+ @Override
+ public List selectUsersFromDs() {
+ return jdbcTemplate.queryForList("SELECT * FROM user");
+ }
+
+ @DS("slave")
+ @Override
+ public List selectUserFromDsGroup() {
+ return jdbcTemplate.queryForList("SELECT * FROM user");
+ }
+}
diff --git a/samples/dynamic-jdbc-template-sample/src/main/resources/application.yml b/samples/dynamic-jdbc-template-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..60398eb
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/main/resources/application.yml
@@ -0,0 +1,27 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_3:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-jdbc-template-sample/src/test/java/com/baomidou/samples/jdbc/test/ApplicationTest.java b/samples/dynamic-jdbc-template-sample/src/test/java/com/baomidou/samples/jdbc/test/ApplicationTest.java
new file mode 100644
index 0000000..c6ec9d6
--- /dev/null
+++ b/samples/dynamic-jdbc-template-sample/src/test/java/com/baomidou/samples/jdbc/test/ApplicationTest.java
@@ -0,0 +1,64 @@
+package com.baomidou.samples.jdbc.test;
+
+import com.baomidou.samples.jdbc.Application;
+import com.baomidou.samples.jdbc.entity.User;
+import com.baomidou.samples.jdbc.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private UserService userService;
+
+ @Autowired
+ private DataSource dataSource;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ @Test
+ public void addUser() {
+ User user = new User();
+ user.setName("测试用户" + random.nextInt());
+ user.setAge(random.nextInt(100));
+ userService.addUser(user);
+ }
+
+ @Test
+ public void selectUsersFromDs() {
+ userService.selectUsersFromDs();
+ }
+
+ @Test
+ public void selectUserFromDsGroup() {
+ userService.selectUserFromDsGroup();
+ }
+}
diff --git a/samples/dynamic-mybatis-sample/pom.xml b/samples/dynamic-mybatis-sample/pom.xml
new file mode 100644
index 0000000..58d1252
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/pom.xml
@@ -0,0 +1,22 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-mybatis-sample
+
+
+
+ org.mybatis.spring.boot
+ mybatis-spring-boot-starter
+ 1.3.2
+
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/Application.java b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/Application.java
new file mode 100644
index 0000000..77931a1
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/Application.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.mybatis;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.baomidou.samples.mybatis.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/entity/User.java b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/entity/User.java
new file mode 100644
index 0000000..a0cd06e
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/entity/User.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.mybatis.entity;
+
+public class User {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/mapper/UserMapper.java b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/mapper/UserMapper.java
new file mode 100644
index 0000000..8940fa4
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/mapper/UserMapper.java
@@ -0,0 +1,18 @@
+package com.baomidou.samples.mybatis.mapper;
+
+import com.baomidou.samples.mybatis.entity.User;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+//@DS("slave")这里可以使用但不建议，不要和service同时使用
+public interface UserMapper {
+
+ @Insert("INSERT INTO user (name,age) values (#{name},#{age})")
+ boolean addUser(@Param("name") String name, @Param("age") Integer age);
+
+ @Select("SELECT * FROM user")
+ List selectUsers();
+}
diff --git a/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/UserService.java b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/UserService.java
new file mode 100644
index 0000000..b2fdc3d
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/UserService.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.mybatis.service;
+
+
+import com.baomidou.samples.mybatis.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+
+ void addUser(User user);
+
+ List selectUsersFromDs();
+
+ List selectUserFromDsGroup();
+}
diff --git a/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/impl/UserServiceImpl.java b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..3b1cf08
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/java/com/baomidou/samples/mybatis/service/impl/UserServiceImpl.java
@@ -0,0 +1,35 @@
+package com.baomidou.samples.mybatis.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.mybatis.entity.User;
+import com.baomidou.samples.mybatis.mapper.UserMapper;
+import com.baomidou.samples.mybatis.service.UserService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+public class UserServiceImpl implements UserService {
+
+ @Resource
+ private UserMapper userMapper;
+
+ @Override
+ public void addUser(User user) {
+ userMapper.addUser(user.getName(), user.getAge());
+ }
+
+ @DS("slave_1")
+ @Override
+ public List selectUsersFromDs() {
+ return userMapper.selectUsers();
+ }
+
+ @DS("slave")
+ @Override
+ public List selectUserFromDsGroup() {
+ return userMapper.selectUsers();
+ }
+}
diff --git a/samples/dynamic-mybatis-sample/src/main/resources/application.yml b/samples/dynamic-mybatis-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..60398eb
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/main/resources/application.yml
@@ -0,0 +1,27 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_3:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-mybatis-sample/src/test/java/com/baomidou/samples/mybatis/test/ApplicationTest.java b/samples/dynamic-mybatis-sample/src/test/java/com/baomidou/samples/mybatis/test/ApplicationTest.java
new file mode 100644
index 0000000..82a563b
--- /dev/null
+++ b/samples/dynamic-mybatis-sample/src/test/java/com/baomidou/samples/mybatis/test/ApplicationTest.java
@@ -0,0 +1,65 @@
+package com.baomidou.samples.mybatis.test;
+
+
+import com.baomidou.samples.mybatis.Application;
+import com.baomidou.samples.mybatis.entity.User;
+import com.baomidou.samples.mybatis.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private UserService userService;
+
+ @Autowired
+ private DataSource dataSource;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ @Test
+ public void addUser() {
+ User user = new User();
+ user.setName("测试用户" + random.nextInt());
+ user.setAge(random.nextInt(100));
+ userService.addUser(user);
+ }
+
+ @Test
+ public void selectUsersFromDs() {
+ userService.selectUsersFromDs();
+ }
+
+ @Test
+ public void selectUserFromDsGroup() {
+ userService.selectUserFromDsGroup();
+ }
+}
diff --git a/samples/dynamic-mybatis-sample/transaction-logs/tmlog49.log b/samples/dynamic-mybatis-sample/transaction-logs/tmlog49.log
new file mode 100644
index 0000000..e69de29
diff --git a/samples/dynamic-mybatisplus2-sample/pom.xml b/samples/dynamic-mybatisplus2-sample/pom.xml
new file mode 100644
index 0000000..30638c1
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/pom.xml
@@ -0,0 +1,22 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-mybatisplus2-sample
+
+
+
+ com.baomidou
+ mybatis-plus-boot-starter
+ 2.3.1
+
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/Application.java b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/Application.java
new file mode 100644
index 0000000..f83177c
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/Application.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.mybatisplus2;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.baomidou.samples.mybatisplus2.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/entity/User.java b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/entity/User.java
new file mode 100644
index 0000000..fea7ad5
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/entity/User.java
@@ -0,0 +1,38 @@
+package com.baomidou.samples.mybatisplus2.entity;
+
+import com.baomidou.mybatisplus.annotations.TableId;
+import com.baomidou.mybatisplus.enums.IdType;
+
+public class User {
+
+ @TableId(type = IdType.AUTO)
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/mapper/UserMapper.java b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/mapper/UserMapper.java
new file mode 100644
index 0000000..142d075
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/mapper/UserMapper.java
@@ -0,0 +1,7 @@
+package com.baomidou.samples.mybatisplus2.mapper;
+
+import com.baomidou.mybatisplus.mapper.BaseMapper;
+import com.baomidou.samples.mybatisplus2.entity.User;
+
+public interface UserMapper extends BaseMapper {
+}
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/UserService.java b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/UserService.java
new file mode 100644
index 0000000..e7b4c16
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/UserService.java
@@ -0,0 +1,11 @@
+package com.baomidou.samples.mybatisplus2.service;
+
+
+import com.baomidou.mybatisplus.service.IService;
+import com.baomidou.samples.mybatisplus2.entity.User;
+
+public interface UserService extends IService {
+
+ void addUser(User user);
+
+}
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/impl/UserServiceImpl.java b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..38c3d9d
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/java/com/baomidou/samples/mybatisplus2/service/impl/UserServiceImpl.java
@@ -0,0 +1,20 @@
+package com.baomidou.samples.mybatisplus2.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.mybatisplus.service.impl.ServiceImpl;
+import com.baomidou.samples.mybatisplus2.entity.User;
+import com.baomidou.samples.mybatisplus2.mapper.UserMapper;
+import com.baomidou.samples.mybatisplus2.service.UserService;
+import org.springframework.stereotype.Service;
+
+@Service
+@DS("slave")
+public class UserServiceImpl extends ServiceImpl implements UserService {
+
+ @Override
+ @DS("master")//这里必须包一层，不能调用mp默认的插入，因为会走到从库去
+ public void addUser(User user) {
+ baseMapper.insert(user);
+ }
+}
diff --git a/samples/dynamic-mybatisplus2-sample/src/main/resources/application.yml b/samples/dynamic-mybatisplus2-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..60398eb
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/main/resources/application.yml
@@ -0,0 +1,27 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_3:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus2-sample/src/test/java/com/baomidou/samples/mybatisplus2/test/ApplicationTest.java b/samples/dynamic-mybatisplus2-sample/src/test/java/com/baomidou/samples/mybatisplus2/test/ApplicationTest.java
new file mode 100644
index 0000000..09788de
--- /dev/null
+++ b/samples/dynamic-mybatisplus2-sample/src/test/java/com/baomidou/samples/mybatisplus2/test/ApplicationTest.java
@@ -0,0 +1,58 @@
+package com.baomidou.samples.mybatisplus2.test;
+
+import com.baomidou.samples.mybatisplus2.Application;
+import com.baomidou.samples.mybatisplus2.entity.User;
+import com.baomidou.samples.mybatisplus2.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private DataSource dataSource;
+ @Autowired
+ private UserService userService;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Test
+ public void testAddUser() {
+ User user = new User();
+ user.setName("测试用户" + random.nextInt());
+ user.setAge(random.nextInt(100));
+ userService.addUser(user);
+ }
+
+ @Test
+ public void testSelectUser() {
+ userService.selectList(null);
+ }
+
+}
diff --git a/samples/dynamic-mybatisplus3-sample/pom.xml b/samples/dynamic-mybatisplus3-sample/pom.xml
new file mode 100644
index 0000000..6384f29
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/pom.xml
@@ -0,0 +1,22 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-mybatisplus3-sample
+
+
+
+ com.baomidou
+ mybatis-plus-boot-starter
+ 3.0.3
+
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/Application.java b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/Application.java
new file mode 100644
index 0000000..1df5795
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/Application.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.mybatisplus;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.baomidou.samples.mybatisplus.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/entity/User.java b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/entity/User.java
new file mode 100644
index 0000000..eefc4a1
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/entity/User.java
@@ -0,0 +1,38 @@
+package com.baomidou.samples.mybatisplus.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+
+public class User {
+
+ @TableId(type = IdType.AUTO)
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/mapper/UserMapper.java b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/mapper/UserMapper.java
new file mode 100644
index 0000000..faf2496
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/mapper/UserMapper.java
@@ -0,0 +1,7 @@
+package com.baomidou.samples.mybatisplus.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.samples.mybatisplus.entity.User;
+
+public interface UserMapper extends BaseMapper {
+}
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/UserService.java b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/UserService.java
new file mode 100644
index 0000000..5f3b9f2
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/UserService.java
@@ -0,0 +1,11 @@
+package com.baomidou.samples.mybatisplus.service;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.baomidou.samples.mybatisplus.entity.User;
+
+public interface UserService extends IService {
+
+ void addUser(User user);
+
+}
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/impl/UserServiceImpl.java b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..0d53ae1
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/java/com/baomidou/samples/mybatisplus/service/impl/UserServiceImpl.java
@@ -0,0 +1,20 @@
+package com.baomidou.samples.mybatisplus.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.baomidou.samples.mybatisplus.entity.User;
+import com.baomidou.samples.mybatisplus.mapper.UserMapper;
+import com.baomidou.samples.mybatisplus.service.UserService;
+import org.springframework.stereotype.Service;
+
+@Service
+@DS("slave")
+public class UserServiceImpl extends ServiceImpl implements UserService {
+
+ @Override
+ @DS("master")//这里必须包一层，不能调用mp默认的插入，因为会走到从库去
+ public void addUser(User user) {
+ baseMapper.insert(user);
+ }
+}
diff --git a/samples/dynamic-mybatisplus3-sample/src/main/resources/application.yml b/samples/dynamic-mybatisplus3-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..60398eb
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/main/resources/application.yml
@@ -0,0 +1,27 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ slave_3:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-mybatisplus3-sample/src/test/java/com/baomidou/samples/mybatisplus3/test/ApplicationTest.java b/samples/dynamic-mybatisplus3-sample/src/test/java/com/baomidou/samples/mybatisplus3/test/ApplicationTest.java
new file mode 100644
index 0000000..fa91923
--- /dev/null
+++ b/samples/dynamic-mybatisplus3-sample/src/test/java/com/baomidou/samples/mybatisplus3/test/ApplicationTest.java
@@ -0,0 +1,57 @@
+package com.baomidou.samples.mybatisplus3.test;
+
+import com.baomidou.samples.mybatisplus.Application;
+import com.baomidou.samples.mybatisplus.entity.User;
+import com.baomidou.samples.mybatisplus.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private DataSource dataSource;
+ @Autowired
+ private UserService userService;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Test
+ public void testAddUser() {
+ User user = new User();
+ user.setName("测试用户" + random.nextInt());
+ user.setAge(random.nextInt(100));
+ userService.addUser(user);
+ }
+
+ @Test
+ public void testSelectUser() {
+ userService.list(null);
+ }
+}
diff --git a/samples/dynamic-nest-sample/pom.xml b/samples/dynamic-nest-sample/pom.xml
new file mode 100644
index 0000000..a925270
--- /dev/null
+++ b/samples/dynamic-nest-sample/pom.xml
@@ -0,0 +1,21 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-nest-sample
+
+
+
+ org.mybatis.spring.boot
+ mybatis-spring-boot-starter
+ 1.3.2
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/Application.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/Application.java
new file mode 100644
index 0000000..416c0a5
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/Application.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.nest;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.baomidou.samples.nest.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/CreateDatabaseOnStarted.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/CreateDatabaseOnStarted.java
new file mode 100644
index 0000000..39fdc4e
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/CreateDatabaseOnStarted.java
@@ -0,0 +1,39 @@
+package com.baomidou.samples.nest;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.event.ApplicationStartedEvent;
+import org.springframework.context.ApplicationListener;
+import org.springframework.stereotype.Component;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+
+@Component
+public class CreateDatabaseOnStarted implements ApplicationListener {
+
+ @Autowired
+ private DataSource dataSource;
+
+ @Override
+ public void onApplicationEvent(ApplicationStartedEvent event) {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS teacher (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS student (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/controller/TestController.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/controller/TestController.java
new file mode 100644
index 0000000..8b69a5a
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/controller/TestController.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.nest.controller;
+
+import com.baomidou.samples.nest.service.SchoolService;
+import com.baomidou.samples.nest.service.TeacherService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class TestController {
+ @Autowired
+ private TeacherService teacherService;
+
+ @Autowired
+ private SchoolService schoolService;
+
+ @GetMapping("/tx1")
+ public void tx1() {
+ //外层不加事物，里面每个单独加事物（支持，不过感觉没毛用）
+ schoolService.addTeacherAndStudent();
+ }
+
+ @GetMapping("/tx2")
+ public void tx2() {
+ //外层加事物，里面每个也加事物（不支持!!）其实只要加了事物就不支持多库
+ schoolService.addTeacherAndStudentWithTx();
+ }
+
+ @GetMapping("/tx3")
+ public void tx3() {
+ //单独调用加事物单库（支持）
+ teacherService.addTeacherWithTx("tt", 12);
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Student.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Student.java
new file mode 100644
index 0000000..b788dd8
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Student.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.nest.entiry;
+
+public class Student {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Teacher.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Teacher.java
new file mode 100644
index 0000000..bbd30d5
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/entiry/Teacher.java
@@ -0,0 +1,34 @@
+package com.baomidou.samples.nest.entiry;
+
+public class Teacher {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/StudentMapper.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/StudentMapper.java
new file mode 100644
index 0000000..c283e57
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/StudentMapper.java
@@ -0,0 +1,17 @@
+package com.baomidou.samples.nest.mapper;
+
+import com.baomidou.samples.nest.entiry.Student;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+public interface StudentMapper {
+
+ @Insert("INSERT INTO student (name,age) values (#{name},#{age})")
+ boolean addStudent(@Param("name") String name, @Param("age") Integer age);
+
+ @Select("SELECT * FROM student")
+ List selectStudents();
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/TeacherMapper.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/TeacherMapper.java
new file mode 100644
index 0000000..395e025
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/mapper/TeacherMapper.java
@@ -0,0 +1,17 @@
+package com.baomidou.samples.nest.mapper;
+
+import com.baomidou.samples.nest.entiry.Teacher;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+public interface TeacherMapper {
+
+ @Insert("INSERT INTO teacher (name,age) values (#{name},#{age})")
+ boolean addTeacher(@Param("name") String name, @Param("age") Integer age);
+
+ @Select("SELECT * FROM teacher")
+ List selectTeachers();
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/SchoolService.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/SchoolService.java
new file mode 100644
index 0000000..4234b7b
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/SchoolService.java
@@ -0,0 +1,12 @@
+package com.baomidou.samples.nest.service;
+
+public interface SchoolService {
+
+ void selectTeachersAndStudents();
+
+ void selectTeachersInnerStudents();
+
+ void addTeacherAndStudent();
+
+ void addTeacherAndStudentWithTx();
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/StudentService.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/StudentService.java
new file mode 100644
index 0000000..970f49a
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/StudentService.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.nest.service;
+
+import com.baomidou.samples.nest.entiry.Student;
+
+import java.util.List;
+
+public interface StudentService {
+
+ boolean addStudentWithTx(String name, Integer age);
+
+ boolean addStudentNoTx(String name, Integer age);
+
+
+ List selectStudents();
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/TeacherService.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/TeacherService.java
new file mode 100644
index 0000000..9b92991
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/TeacherService.java
@@ -0,0 +1,18 @@
+package com.baomidou.samples.nest.service;
+
+import com.baomidou.samples.nest.entiry.Teacher;
+
+import java.util.List;
+
+
+public interface TeacherService {
+
+ boolean addTeacherWithTx(String name, Integer age);
+
+ boolean addTeacherNoTx(String name, Integer age);
+
+
+ List selectTeachers();
+
+ void selectTeachersInnerStudents();
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/SchoolServiceImpl.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/SchoolServiceImpl.java
new file mode 100644
index 0000000..1f3b133
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/SchoolServiceImpl.java
@@ -0,0 +1,42 @@
+package com.baomidou.samples.nest.service.impl;
+
+import com.baomidou.samples.nest.service.SchoolService;
+import com.baomidou.samples.nest.service.StudentService;
+import com.baomidou.samples.nest.service.TeacherService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class SchoolServiceImpl implements SchoolService {
+
+ @Autowired
+ private TeacherService teacherService;
+
+ @Autowired
+ private StudentService studentService;
+
+ @Override
+ public void selectTeachersAndStudents() {
+ teacherService.selectTeachers();
+ studentService.selectStudents();
+ }
+
+ @Override
+ public void selectTeachersInnerStudents() {
+ teacherService.selectTeachersInnerStudents();
+ }
+
+ @Override
+ public void addTeacherAndStudent() {
+ teacherService.addTeacherWithTx("ss", 1);
+ studentService.addStudentWithTx("tt", 2);
+ }
+
+ @Override
+ @Transactional
+ public void addTeacherAndStudentWithTx() {
+ teacherService.addTeacherWithTx("ss", 1);
+ studentService.addStudentWithTx("tt", 2);
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/StudentServiceImpl.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/StudentServiceImpl.java
new file mode 100644
index 0000000..63b3882
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/StudentServiceImpl.java
@@ -0,0 +1,35 @@
+package com.baomidou.samples.nest.service.impl;
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.nest.entiry.Student;
+import com.baomidou.samples.nest.mapper.StudentMapper;
+import com.baomidou.samples.nest.service.StudentService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+@DS("student")
+public class StudentServiceImpl implements StudentService {
+
+ @Resource
+ private StudentMapper studentMapper;
+
+ @Override
+ @Transactional
+ public boolean addStudentWithTx(String name, Integer age) {
+ return studentMapper.addStudent(name, age);
+ }
+
+ @Override
+ public boolean addStudentNoTx(String name, Integer age) {
+ return studentMapper.addStudent(name, age);
+ }
+
+ @Override
+ public List selectStudents() {
+ return studentMapper.selectStudents();
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/TeacherServiceImpl.java b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/TeacherServiceImpl.java
new file mode 100644
index 0000000..9d7550b
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/java/com/baomidou/samples/nest/service/impl/TeacherServiceImpl.java
@@ -0,0 +1,45 @@
+package com.baomidou.samples.nest.service.impl;
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.nest.entiry.Teacher;
+import com.baomidou.samples.nest.mapper.TeacherMapper;
+import com.baomidou.samples.nest.service.StudentService;
+import com.baomidou.samples.nest.service.TeacherService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+@DS("teacher")
+public class TeacherServiceImpl implements TeacherService {
+
+ @Resource
+ private TeacherMapper teacherMapper;
+ @Autowired
+ private StudentService studentService;
+
+ @Override
+ @Transactional
+ public boolean addTeacherWithTx(String name, Integer age) {
+ return teacherMapper.addTeacher(name, age);
+ }
+
+ @Override
+ public boolean addTeacherNoTx(String name, Integer age) {
+ return teacherMapper.addTeacher(name, age);
+ }
+
+ @Override
+ public List selectTeachers() {
+ return teacherMapper.selectTeachers();
+ }
+
+ @Override
+ public void selectTeachersInnerStudents() {
+ teacherMapper.selectTeachers();
+ studentService.selectStudents();
+ }
+}
diff --git a/samples/dynamic-nest-sample/src/main/resources/application.yml b/samples/dynamic-nest-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..e735650
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/main/resources/application.yml
@@ -0,0 +1,27 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test;DB_CLOSE_ON_EXIT=FALSE
+ driver-class-name: org.h2.Driver
+ salve:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test;DB_CLOSE_ON_EXIT=FALSE
+ driver-class-name: org.h2.Driver
+ teacher:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test;DB_CLOSE_ON_EXIT=FALSE
+ driver-class-name: org.h2.Driver
+ student:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test;DB_CLOSE_ON_EXIT=FALSE
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-nest-sample/src/test/java/com/baomidou/samples/nest/test/ApplicationTest.java b/samples/dynamic-nest-sample/src/test/java/com/baomidou/samples/nest/test/ApplicationTest.java
new file mode 100644
index 0000000..91430af
--- /dev/null
+++ b/samples/dynamic-nest-sample/src/test/java/com/baomidou/samples/nest/test/ApplicationTest.java
@@ -0,0 +1,81 @@
+package com.baomidou.samples.nest.test;
+
+
+import com.baomidou.samples.nest.Application;
+import com.baomidou.samples.nest.service.SchoolService;
+import com.baomidou.samples.nest.service.StudentService;
+import com.baomidou.samples.nest.service.TeacherService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Random;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+
+public class ApplicationTest {
+
+ private Random random = new Random();
+
+ @Autowired
+ private TeacherService teacherService;
+ @Autowired
+ private StudentService studentService;
+ @Autowired
+ private SchoolService schoolService;
+
+ @Autowired
+ private DataSource dataSource;
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS teacher (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS student (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+
+ @Test
+ public void nest1() {
+ //直接在controller
+ teacherService.selectTeachers();
+ studentService.selectStudents();
+ }
+
+ @Test
+ public void nest2() {
+ schoolService.selectTeachersAndStudents();
+ }
+
+ @Test
+ public void nest3() {
+ schoolService.selectTeachersInnerStudents();
+ }
+
+ @Test
+ public void tx() {
+ teacherService.selectTeachers();
+ }
+}
\ No newline at end of file
diff --git a/samples/dynamic-spel-sample/pom.xml b/samples/dynamic-spel-sample/pom.xml
new file mode 100644
index 0000000..fae8ccc
--- /dev/null
+++ b/samples/dynamic-spel-sample/pom.xml
@@ -0,0 +1,22 @@
+
+
+
+ dynamic-datsource-samples
+ com.baomidou
+ 1.0.0
+
+ 4.0.0
+
+ dynamic-spel-sample
+
+
+
+ org.mybatis.spring.boot
+ mybatis-spring-boot-starter
+ 1.3.2
+
+
+
+
\ No newline at end of file
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/Application.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/Application.java
new file mode 100644
index 0000000..2f24ff8
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/Application.java
@@ -0,0 +1,15 @@
+package com.baomidou.samples.spel;
+
+import org.mybatis.spring.annotation.MapperScan;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+@MapperScan("com.baomidou.samples.spel.mapper")
+public class Application {
+
+ public static void main(String[] args) {
+ SpringApplication.run(Application.class, args);
+ }
+
+}
\ No newline at end of file
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/controller/UserController.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/controller/UserController.java
new file mode 100644
index 0000000..8c49eaa
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/controller/UserController.java
@@ -0,0 +1,29 @@
+package com.baomidou.samples.spel.controller;
+
+import com.baomidou.samples.spel.entity.User;
+import com.baomidou.samples.spel.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.List;
+
+@RestController
+public class UserController {
+ @Autowired
+ private UserService userService;
+
+ @GetMapping("/users")
+ public List usersFromSession(HttpServletRequest request) {
+ request.getSession().setAttribute("tenantName", "tenant1");
+ return userService.selectSpelBySession();
+ }
+
+ @GetMapping("/users/header")
+ public String usersFromHeader() {
+ userService.selectSpelByHeader();
+ return "success";
+ }
+
+}
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/entity/User.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/entity/User.java
new file mode 100644
index 0000000..3a5f958
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/entity/User.java
@@ -0,0 +1,44 @@
+package com.baomidou.samples.spel.entity;
+
+public class User {
+
+ private Integer id;
+
+ private String name;
+
+ private Integer age;
+
+ private String tenantName;
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Integer getAge() {
+ return age;
+ }
+
+ public void setAge(Integer age) {
+ this.age = age;
+ }
+
+ public String getTenantName() {
+ return tenantName;
+ }
+
+ public void setTenantName(String tenantName) {
+ this.tenantName = tenantName;
+ }
+}
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/mapper/UserMapper.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/mapper/UserMapper.java
new file mode 100644
index 0000000..ea3df74
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/mapper/UserMapper.java
@@ -0,0 +1,18 @@
+package com.baomidou.samples.spel.mapper;
+
+import com.baomidou.samples.spel.entity.User;
+import org.apache.ibatis.annotations.Insert;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
+
+//@DS("slave")这里可以使用但不建议，不要和service同时使用
+public interface UserMapper {
+
+ @Insert("INSERT INTO user (name,age) values (#{name},#{age})")
+ boolean addUser(@Param("name") String name, @Param("age") Integer age);
+
+ @Select("SELECT * FROM user")
+ List selectUsers();
+}
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/UserService.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/UserService.java
new file mode 100644
index 0000000..19bb589
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/UserService.java
@@ -0,0 +1,17 @@
+package com.baomidou.samples.spel.service;
+
+
+import com.baomidou.samples.spel.entity.User;
+
+import java.util.List;
+
+public interface UserService {
+
+ List selectSpelBySession();
+
+ List selectSpelByHeader();
+
+ List selectSpelByKey(String tenantName);
+
+ List selecSpelByTenant(User user);
+}
diff --git a/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/impl/UserServiceImpl.java b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/impl/UserServiceImpl.java
new file mode 100644
index 0000000..53901bb
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/java/com/baomidou/samples/spel/service/impl/UserServiceImpl.java
@@ -0,0 +1,43 @@
+package com.baomidou.samples.spel.service.impl;
+
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import com.baomidou.samples.spel.entity.User;
+import com.baomidou.samples.spel.mapper.UserMapper;
+import com.baomidou.samples.spel.service.UserService;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Service
+@DS("slave")
+public class UserServiceImpl implements UserService {
+
+ @Resource
+ private UserMapper userMapper;
+
+ @Override
+ @DS("#session.tenantName")
+ public List selectSpelBySession() {
+ return userMapper.selectUsers();
+ }
+
+ @Override
+ @DS("#header.tenantName")
+ public List selectSpelByHeader() {
+ return userMapper.selectUsers();
+ }
+
+ @Override
+ @DS("#tenantName")
+ public List selectSpelByKey(String tenantName) {
+ return userMapper.selectUsers();
+ }
+
+ @Override
+ @DS("#user.tenantName")
+ public List selecSpelByTenant(User user) {
+ return userMapper.selectUsers();
+ }
+}
diff --git a/samples/dynamic-spel-sample/src/main/resources/application.yml b/samples/dynamic-spel-sample/src/main/resources/application.yml
new file mode 100644
index 0000000..bda2072
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/main/resources/application.yml
@@ -0,0 +1,32 @@
+spring:
+ datasource:
+ dynamic:
+ datasource:
+ master:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ tenant1_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ tenant1_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ tenant2_1:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+ tenant2_2:
+ username: sa
+ password: ""
+ url: jdbc:h2:mem:test
+ driver-class-name: org.h2.Driver
+logging:
+ level:
+ com.baomidou: debug
\ No newline at end of file
diff --git a/samples/dynamic-spel-sample/src/test/java/com/baomidou/samples/spel/test/ApplicationTest.java b/samples/dynamic-spel-sample/src/test/java/com/baomidou/samples/spel/test/ApplicationTest.java
new file mode 100644
index 0000000..173e225
--- /dev/null
+++ b/samples/dynamic-spel-sample/src/test/java/com/baomidou/samples/spel/test/ApplicationTest.java
@@ -0,0 +1,92 @@
+package com.baomidou.samples.spel.test;
+
+import com.baomidou.samples.spel.Application;
+import com.baomidou.samples.spel.entity.User;
+import com.baomidou.samples.spel.service.UserService;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import javax.servlet.http.HttpSession;
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+public class ApplicationTest {
+
+ @Autowired
+ private WebApplicationContext wac;
+
+ @Autowired
+ private DataSource dataSource;
+
+ private MockMvc mockMvc;
+ @Autowired
+ private UserService userService;
+ @Autowired
+ private HttpSession session;
+
+ @Before
+ public void setup() {
+ this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+ }
+
+ @Before
+ public void beforeTest() {
+ try {
+ Connection connection = dataSource.getConnection();
+ connection.createStatement().execute("CREATE TABLE IF NOT EXISTS USER (\n" +
+ " id BIGINT(20) NOT NULL AUTO_INCREMENT,\n" +
+ " name VARCHAR(30) NULL DEFAULT NULL ,\n" +
+ " age INT(11) NULL DEFAULT NULL ,\n" +
+ " PRIMARY KEY (id)\n" +
+ ");");
+ connection.close();
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Test
+ public void selectSpelBySession() {
+ session.setAttribute("tenantName", "tenant1");
+ userService.selectSpelBySession();
+ }
+
+ @Test
+ public void selectSpelByHeader() throws Exception {
+ mockMvc.perform(MockMvcRequestBuilders.get("/users/header")
+ .contentType(MediaType.APPLICATION_FORM_URLENCODED)
+ .header("tenantName", "tenant1")
+ )
+ .andDo(print()).andExpect(status().isOk())
+ .andReturn().getResponse()
+ .getContentAsString();
+ }
+
+ @Test
+ public void selectSpelByKey() {
+ userService.selectSpelByKey("tenant1");
+ }
+
+ @Test
+ public void selecSpelByTenant() {
+ User user = new User();
+ user.setTenantName("tenant2");
+ userService.selecSpelByTenant(user);
+ }
+
+}
diff --git a/samples/pom.xml b/samples/pom.xml
new file mode 100644
index 0000000..c45c0b7
--- /dev/null
+++ b/samples/pom.xml
@@ -0,0 +1,71 @@
+
+
+ 4.0.0
+
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.1.0.RELEASE
+
+
+ com.baomidou
+ dynamic-datsource-samples
+ 1.0.0
+ pom
+
+
+ UTF-8
+ UTF-8
+ 1.8
+
+
+
+ dynamic-jdbc-template-sample
+ dynamic-mybatis-sample
+ dynamic-mybatisplus2-sample
+ dynamic-mybatisplus3-sample
+ dynamic-druid-mybatis-sample
+ dynamic-spel-sample
+ dynamic-nest-sample
+
+
+
+
+ org.springframework.boot
+ spring-boot-starter-web
+
+
+ com.baomidou
+ dynamic-datasource-spring-boot-starter
+ 2.3.7
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+ com.h2database
+ h2
+ 1.4.197
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-compiler-plugin
+ 3.1
+
+ ${java.version}
+ ${java.version}
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/com/baomidou/dynamic/datasource/AbstractRoutingDataSource.java b/src/main/java/com/baomidou/dynamic/datasource/AbstractRoutingDataSource.java
new file mode 100644
index 0000000..b73e8aa
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/AbstractRoutingDataSource.java
@@ -0,0 +1,63 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * T unwrap(Class iface) throws SQLException {
+ if (iface.isInstance(this)) {
+ return (T) this;
+ }
+ return determineDataSource().unwrap(iface);
+ }
+
+ @Override
+ public boolean isWrapperFor(Class iface) throws SQLException {
+ return (iface.isInstance(this) || determineDataSource().isWrapperFor(iface));
+ }
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/DynamicDataSourceClassResolver.java b/src/main/java/com/baomidou/dynamic/datasource/DynamicDataSourceClassResolver.java
new file mode 100644
index 0000000..dcc62e5
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/DynamicDataSourceClassResolver.java
@@ -0,0 +1,66 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * dataSources = new LinkedList<>();
+
+ public DynamicGroupDataSource(String groupName, DynamicDataSourceStrategy dynamicDataSourceStrategy) {
+ this.groupName = groupName;
+ this.dynamicDataSourceStrategy = dynamicDataSourceStrategy;
+ }
+
+ public void addDatasource(DataSource dataSource) {
+ dataSources.add(dataSource);
+ }
+
+ public void removeDatasource(DataSource dataSource) {
+ dataSources.remove(dataSource);
+ }
+
+ public DataSource determineDataSource() {
+ return dynamicDataSourceStrategy.determineDataSource(dataSources);
+ }
+
+ public int size() {
+ return dataSources.size();
+ }
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/DynamicRoutingDataSource.java b/src/main/java/com/baomidou/dynamic/datasource/DynamicRoutingDataSource.java
new file mode 100644
index 0000000..cced38c
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/DynamicRoutingDataSource.java
@@ -0,0 +1,167 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * dataSourceMap = new LinkedHashMap<>();
+ /**
+ * 分组数据库
+ */
+ private Map groupDataSources = new ConcurrentHashMap<>();
+
+ @Override
+ public DataSource determineDataSource() {
+ return getDataSource(DynamicDataSourceContextHolder.getDataSourceLookupKey());
+ }
+
+ private DataSource determinePrimaryDataSource() {
+ log.debug("从默认数据源中返回数据");
+ return groupDataSources.containsKey(primary) ? groupDataSources.get(primary).determineDataSource() : dataSourceMap.get(primary);
+ }
+
+ /**
+ * 获取当前所有的数据源
+ *
+ * @return 当前所有数据源
+ */
+ public Map getCurrentDataSources() {
+ return dataSourceMap;
+ }
+
+ /**
+ * 获取的当前所有的分组数据源
+ *
+ * @return 当前所有的分组数据源
+ */
+ public Map getCurrentGroupDataSources() {
+ return groupDataSources;
+ }
+
+ /**
+ * 获取数据源
+ *
+ * @param ds 数据源名称
+ * @return 数据源
+ */
+ public DataSource getDataSource(String ds) {
+ if (StringUtils.isEmpty(ds)) {
+ return determinePrimaryDataSource();
+ } else if (!groupDataSources.isEmpty() && groupDataSources.containsKey(ds)) {
+ log.debug("从 {} 组数据源中返回数据源", ds);
+ return groupDataSources.get(ds).determineDataSource();
+ } else if (dataSourceMap.containsKey(ds)) {
+ log.debug("从 {} 单数据源中返回数据源", ds);
+ return dataSourceMap.get(ds);
+ }
+ return determinePrimaryDataSource();
+ }
+
+ /**
+ * 添加数据源
+ *
+ * @param ds 数据源名称
+ * @param dataSource 数据源
+ */
+ public synchronized void addDataSource(String ds, DataSource dataSource) {
+ dataSourceMap.put(ds, dataSource);
+ if (ds.contains(UNDERLINE)) {
+ String group = ds.split(UNDERLINE)[0];
+ if (groupDataSources.containsKey(group)) {
+ groupDataSources.get(group).addDatasource(dataSource);
+ } else {
+ try {
+ DynamicGroupDataSource groupDatasource = new DynamicGroupDataSource(group, strategy.newInstance());
+ groupDatasource.addDatasource(dataSource);
+ groupDataSources.put(group, groupDatasource);
+ } catch (Exception e) {
+ log.error("添加数据源失败", e);
+ dataSourceMap.remove(ds);
+ }
+ }
+ }
+ log.info("动态数据源-加载 {} 成功", ds);
+ }
+
+ /**
+ * 删除数据源
+ *
+ * @param ds 数据源名称
+ */
+ public synchronized void removeDataSource(String ds) {
+ if (dataSourceMap.containsKey(ds)) {
+ DataSource dataSource = dataSourceMap.get(ds);
+ dataSourceMap.remove(ds);
+ if (ds.contains(UNDERLINE)) {
+ String group = ds.split(UNDERLINE)[0];
+ if (groupDataSources.containsKey(group)) {
+ groupDataSources.get(group).removeDatasource(dataSource);
+ }
+ }
+ log.info("动态数据源-删除 {} 成功", ds);
+ } else {
+ log.warn("动态数据源-未找到 {} 数据源");
+ }
+ }
+
+ public void init() {
+ Map dataSources = provider.loadDataSources();
+ log.info("初始共加载 {} 个数据源", dataSources.size());
+ //添加并分组数据源
+ for (Map.Entry dsItem : dataSources.entrySet()) {
+ addDataSource(dsItem.getKey(), dsItem.getValue());
+ }
+ //检测默认数据源设置
+ if (groupDataSources.containsKey(primary)) {
+ log.info("当前的默认数据源是组数据源,组名为 {} ，其下有 {} 个数据源", primary, groupDataSources.size());
+ } else if (dataSourceMap.containsKey(primary)) {
+ log.info("当前的默认数据源是单数据源，数据源名为 {}", primary);
+ } else {
+ throw new RuntimeException("请检查primary默认数据库设置");
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/baomidou/dynamic/datasource/annotation/DS.java b/src/main/java/com/baomidou/dynamic/datasource/annotation/DS.java
new file mode 100644
index 0000000..dc91b32
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/annotation/DS.java
@@ -0,0 +1,39 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * loadDataSources() {
+ Connection conn = null;
+ Statement stmt = null;
+ try {
+ Class.forName(driverClassName);
+ log.info("成功加载数据库驱动程序");
+ conn = DriverManager.getConnection(url, username, password);
+ log.info("成功获取数据库连接");
+ stmt = conn.createStatement();
+ Map dataSourcePropertiesMap = executeStmt(stmt);
+ Map dataSourceMap = new HashMap<>(dataSourcePropertiesMap.size());
+ for (Map.Entry item : dataSourcePropertiesMap.entrySet()) {
+ String pollName = item.getKey();
+ DataSourceProperty dataSourceProperty = item.getValue();
+ dataSourceProperty.setPollName(pollName);
+ dataSourceMap.put(pollName, dynamicDataSourceCreator.createDataSource(dataSourceProperty));
+ }
+ return dataSourceMap;
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ JdbcUtils.closeConnection(conn);
+ JdbcUtils.closeStatement(stmt);
+ }
+ return null;
+ }
+
+ /**
+ * 执行语句获得数据源参数
+ *
+ * @param statement 语句
+ * @return 数据源参数
+ * @throws SQLException sql异常
+ */
+ protected abstract Map executeStmt(Statement statement) throws SQLException;
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/provider/DynamicDataSourceProvider.java b/src/main/java/com/baomidou/dynamic/datasource/provider/DynamicDataSourceProvider.java
new file mode 100644
index 0000000..70d8dd2
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/provider/DynamicDataSourceProvider.java
@@ -0,0 +1,39 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * loadDataSources();
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/provider/YmlDynamicDataSourceProvider.java b/src/main/java/com/baomidou/dynamic/datasource/provider/YmlDynamicDataSourceProvider.java
new file mode 100644
index 0000000..3a195f3
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/provider/YmlDynamicDataSourceProvider.java
@@ -0,0 +1,63 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * loadDataSources() {
+ Map dataSourcePropertiesMap = properties.getDatasource();
+ Map dataSourceMap = new HashMap<>(dataSourcePropertiesMap.size());
+ for (Map.Entry item : dataSourcePropertiesMap.entrySet()) {
+ String pollName = item.getKey();
+ DataSourceProperty dataSourceProperty = item.getValue();
+ dataSourceProperty.setPollName(pollName);
+ dataSourceMap.put(pollName, dynamicDataSourceCreator.createDataSource(dataSourceProperty));
+ }
+ return dataSourceMap;
+ }
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/spel/DefaultDynamicDataSourceSpelParser.java b/src/main/java/com/baomidou/dynamic/datasource/spel/DefaultDynamicDataSourceSpelParser.java
new file mode 100644
index 0000000..0801f2e
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/spel/DefaultDynamicDataSourceSpelParser.java
@@ -0,0 +1,80 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * datasource = new LinkedHashMap<>();
+ /**
+ * 多数据源选择算法clazz，默认负载均衡算法
+ */
+ private Class strategy = LoadBalanceDynamicDataSourceStrategy.class;
+ /**
+ * aop切面顺序，默认优先级最高
+ */
+ private Integer order = Ordered.HIGHEST_PRECEDENCE;
+ /**
+ * 是否使用p6spy输出，默认不输出
+ */
+ private Boolean p6spy = false;
+ /**
+ * Druid全局参数配置
+ */
+ @NestedConfigurationProperty
+ private DruidConfig druid = new DruidConfig();
+ /**
+ * HikariCp全局参数配置
+ */
+ @NestedConfigurationProperty
+ private HikariConfig hikari = new HikariConfig();
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/spring/boot/autoconfigure/druid/DruidConfig.java b/src/main/java/com/baomidou/dynamic/datasource/spring/boot/autoconfigure/druid/DruidConfig.java
new file mode 100644
index 0000000..c12c22a
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/spring/boot/autoconfigure/druid/DruidConfig.java
@@ -0,0 +1,244 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * dataSources);
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/strategy/LoadBalanceDynamicDataSourceStrategy.java b/src/main/java/com/baomidou/dynamic/datasource/strategy/LoadBalanceDynamicDataSourceStrategy.java
new file mode 100644
index 0000000..310b4dd
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/strategy/LoadBalanceDynamicDataSourceStrategy.java
@@ -0,0 +1,40 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * dataSources) {
+ return dataSources.get(Math.abs(index.getAndAdd(1)) % dataSources.size());
+ }
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/strategy/RandomDynamicDataSourceStrategy.java b/src/main/java/com/baomidou/dynamic/datasource/strategy/RandomDynamicDataSourceStrategy.java
new file mode 100644
index 0000000..b44833c
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/strategy/RandomDynamicDataSourceStrategy.java
@@ -0,0 +1,35 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * dataSources) {
+ return dataSources.get(ThreadLocalRandom.current().nextInt(dataSources.size()));
+ }
+}
diff --git a/src/main/java/com/baomidou/dynamic/datasource/toolkit/DynamicDataSourceContextHolder.java b/src/main/java/com/baomidou/dynamic/datasource/toolkit/DynamicDataSourceContextHolder.java
new file mode 100644
index 0000000..4bdb1a4
--- /dev/null
+++ b/src/main/java/com/baomidou/dynamic/datasource/toolkit/DynamicDataSourceContextHolder.java
@@ -0,0 +1,82 @@
+/**
+ * Copyright © 2018 organization baomidou
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * 为了支持嵌套切换，如ABC三个service都是不同的数据源
+ * 其中A的某个业务要调B的方法，B的方法需要调用C的方法。一级一级调用切换，形成了链。
+ * 传统的只设置当前线程的方式不能满足此业务需求，必须模拟栈，后进先出。
+ *
+ */
+ @SuppressWarnings("unchecked")
+ private static final ThreadLocal> LOOKUP_KEY_HOLDER = new ThreadLocal() {
+ @Override
+ protected Object initialValue() {
+ return new LinkedBlockingDeque();
+ }
+ };
+
+ private DynamicDataSourceContextHolder() {
+ }
+
+ /**
+ * 获得当前线程数据源
+ *
+ * @return 数据源名称
+ */
+ public static String getDataSourceLookupKey() {
+ LinkedBlockingDeque deque = LOOKUP_KEY_HOLDER.get();
+ return deque.isEmpty() ? null : deque.getFirst();
+ }
+
+ /**
+ * 设置当前线程数据源
+ *
+ * @param dataSourceLookupKey 数据源名称
+ */
+ public static void setDataSourceLookupKey(String dataSourceLookupKey) {
+ LOOKUP_KEY_HOLDER.get().addFirst(dataSourceLookupKey);
+ }
+
+ /**
+ * 清空当前线程数据源
+ *
+ * 如果当前线程是连续切换数据源
+ * 只会移除掉当前线程的数据源名称
+ *
+ */
+ public static void clearDataSourceLookupKey() {
+ LinkedBlockingDeque deque = LOOKUP_KEY_HOLDER.get();
+ if (deque.isEmpty()) {
+ LOOKUP_KEY_HOLDER.remove();
+ } else {
+ deque.pollFirst();
+ }
+ }
+}
diff --git a/src/main/resources/META-INF/spring.factories b/src/main/resources/META-INF/spring.factories
new file mode 100644
index 0000000..6d4b5af
--- /dev/null
+++ b/src/main/resources/META-INF/spring.factories
@@ -0,0 +1,2 @@
+org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration
\ No newline at end of file
diff --git a/target/classes/META-INF/spring-configuration-metadata.json b/target/classes/META-INF/spring-configuration-metadata.json
new file mode 100644
index 0000000..2e39106
--- /dev/null
+++ b/target/classes/META-INF/spring-configuration-metadata.json
@@ -0,0 +1,410 @@
+{
+ "hints": [],
+ "groups": [
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic",
+ "type": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic.druid",
+ "type": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic.hikari",
+ "type": "com.zaxxer.hikari.HikariConfig"
+ }
+ ],
+ "properties": [
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic.datasource",
+ "description": "每一个数据源",
+ "type": "java.util.Map"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.async-init",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.break-after-acquire-failure",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.clear-filters-enable",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.connection-error-retry-attempts",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.connection-properties",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.fail-fast",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.filters",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.init-connection-sqls",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.init-global-variants",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.init-variants",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.initial-size",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.keep-alive",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.kill-when-socket-read-timeout",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.max-active",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.max-evictable-idle-time-millis",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.max-pool-prepared-statement-per-connection-size",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.max-wait",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.max-wait-thread-count",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.min-evictable-idle-time-millis",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.min-idle",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.not-full-timeout-retry-count",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.phy-timeout-millis",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.pool-prepared-statements",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.public-key",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.reset-stat-enable",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.share-prepared-statements",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.stat-sql-max-size",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.test-on-borrow",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.test-on-return",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.test-while-idle",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.time-between-eviction-runs-millis",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.time-between-log-stats-millis",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.use-global-data-source-stat",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.use-unfair-lock",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.validation-query",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.druid.DruidConfig",
+ "name": "spring.datasource.dynamic.druid.validation-query-timeout",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.allow-pool-suspension",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.auto-commit",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.catalog",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.connection-init-sql",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.connection-test-query",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.connection-timeout",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.data-source-class-name",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.data-source-j-n-d-i",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.data-source-properties",
+ "type": "java.util.Properties"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.driver-class-name",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.health-check-properties",
+ "type": "java.util.Properties"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.health-check-registry",
+ "type": "java.lang.Object"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.idle-timeout",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "deprecated": true,
+ "name": "spring.datasource.dynamic.hikari.initialization-fail-fast",
+ "type": "java.lang.Boolean",
+ "deprecation": {}
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.initialization-fail-timeout",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.isolate-internal-queries",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.jdbc-url",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "deprecated": true,
+ "name": "spring.datasource.dynamic.hikari.jdbc4-connection-test",
+ "type": "java.lang.Boolean",
+ "deprecation": {}
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.leak-detection-threshold",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.max-lifetime",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.maximum-pool-size",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.metric-registry",
+ "type": "java.lang.Object"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.metrics-tracker-factory",
+ "type": "com.zaxxer.hikari.metrics.MetricsTrackerFactory"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.minimum-idle",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.password",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.pool-name",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.read-only",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.register-mbeans",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.scheduled-executor",
+ "type": "java.util.concurrent.ScheduledExecutorService"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "deprecated": true,
+ "name": "spring.datasource.dynamic.hikari.scheduled-executor-service",
+ "type": "java.util.concurrent.ScheduledThreadPoolExecutor",
+ "deprecation": {}
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.schema",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.transaction-isolation",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.username",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.zaxxer.hikari.HikariConfig",
+ "name": "spring.datasource.dynamic.hikari.validation-timeout",
+ "type": "java.lang.Long"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic.order",
+ "description": "aop切面顺序，默认优先级最高",
+ "type": "java.lang.Integer"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "defaultValue": false,
+ "name": "spring.datasource.dynamic.p6spy",
+ "description": "是否使用p6spy输出，默认不输出",
+ "type": "java.lang.Boolean"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "defaultValue": "master",
+ "name": "spring.datasource.dynamic.primary",
+ "description": "必须设置默认的库,默认master",
+ "type": "java.lang.String"
+ },
+ {
+ "sourceType": "com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties",
+ "name": "spring.datasource.dynamic.strategy",
+ "description": "多数据源选择算法clazz，默认负载均衡算法",
+ "type": "java.lang.Class"
+ }
+ ]
+}
\ No newline at end of file
diff --git a/target/classes/META-INF/spring.factories b/target/classes/META-INF/spring.factories
new file mode 100644
index 0000000..6d4b5af
--- /dev/null
+++ b/target/classes/META-INF/spring.factories
@@ -0,0 +1,2 @@
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\ No newline at end of file
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diff --git a/target/classes/com/baomidou/dynamic/datasource/aop/DynamicDataSourceAnnotationAdvisor.class b/target/classes/com/baomidou/dynamic/datasource/aop/DynamicDataSourceAnnotationAdvisor.class
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+
+
+
+**示例项目** 可参考项目下的samples目录。
+
+**示例项目** 可参考项目下的samples目录。
+
+**示例项目** 可参考项目下的samples目录。
+
+# 优势
+
+网上关于动态数据源的切换的文档有很多，核心只有两种。1是构建多套环境，2是基于spring原生的 `AbstractRoutingDataSource` 切换。
+
+如果你的数据源较少，场景不复杂，选择以上任意一种都可以。如果你需要更多特性，请试着尝试本数据源。
+
+1. 数据源分组，适用于多种场景 纯粹多库 读写分离 一主多从 混合模式。
+2. 简单集成Druid数据源监控多数据源，简单集成Mybatis-Plus简化单表，简单集成P6sy格式化sql，简单集成Jndi数据源。
+3. 自定义数据源来源。
+4. 动态增减数据源。
+5. 使用spel动态参数解析数据源，如从session，header和参数中获取数据源。（多租户架构神器）
+6. 多层数据源嵌套切换。（一个业务ServiceA调用ServiceB，ServiceB调用ServiceC，每个Service都是不同的数据源）
+
+# 劣势
+
+不能使用多数据源事物（同一个数据源下能使用事物），网上其他方案也都不能提供。
+
+如果你需要使用到分布式事物，那么你的架构应该到了微服务化的时候了。
+
+如果呼声强烈，项目达到800 star，作者考虑集成分布式事物。
+
+PS: 如果您只是几个数据库但是有强烈的需求分布式事物，建议还是使用传统方式自己构建多套环境集成atomic这类，网上百度很多。
+
+# 约定
+
+1. 本框架只做 **切换数据源** 这件核心的事情，并**不限制你的具体操作**，切换了数据源可以做任何CRUD。
+2. 配置文件所有以下划线 `_` 分割的数据源 **首部** 即为组的名称，相同组名称的数据源会放在一个组下。
+3. 切换数据源即可是组名，也可是具体数据源名称，切换时默认采用负载均衡机制切换。
+4. 默认的数据源名称为 **master** ，你可以通过spring.datasource.dynamic.primary修改。
+5. 方法上的注解优先于类上注解。
+
+# 建议
+
+强烈建议在 **主从模式** 下遵循普遍的规则，以便他人能更轻易理解你的代码。
+
+主数据库 **建议** 只执行 `INSERT` `UPDATE` `DELETE` 操作。
+
+从数据库 **建议** 只执行 `SELECT` 操作。
+
+# 使用方法
+
+1. 引入dynamic-datasource-spring-boot-starter。
+
+```xml
+
+ 
+ 
+ 
+