sharding-jdbc集成spring+mybatis分表分库
maven：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.fulihui.com</groupId>
<artifactId>sharding-jdbc-demo</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.1.3.RELEASE</spring.version>
<mybatis.version>3.2.4</mybatis.version>
<sharding-jdbc.version>1.3.1</sharding-jdbc.version>
</properties>
<dependencies>
<dependency>
<groupId>com.dangdang</groupId>
<artifactId>sharding-jdbc-core</artifactId>
<version>${sharding-jdbc.version}</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.dangdang</groupId>
<artifactId>sharding-jdbc-transaction</artifactId>
<version>${sharding-jdbc.version}</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.dangdang</groupId>
<artifactId>sharding-jdbc-config-spring</artifactId>
<version>${sharding-jdbc.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.10</version>
<scope>test</scope>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.10</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.4</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.28</version>
</dependency>
</dependencies>
</project>
建表语句：
SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for t_student_0 -- ---------------------------- DROP TABLE IF EXISTS `t_student_0`; CREATE TABLE `t_student_0` ( `id` int(11) NOT NULL AUTO_INCREMENT, `student_id` int(11) NOT NULL, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; DROP TABLE IF EXISTS `t_student_1`; CREATE TABLE `t_student_1` ( `id` int(11) NOT NULL AUTO_INCREMENT, `student_id` int(11) NOT NULL, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; DROP TABLE IF EXISTS `t_user_0`; CREATE TABLE `t_user_0` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; DROP TABLE IF EXISTS `t_user_1`; CREATE TABLE `t_user_1` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; DROP TABLE IF EXISTS `t_user_2`; CREATE TABLE `t_user_2` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `name` varchar(255) NOT NULL, `age` int(11) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
spring配置：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:rdb="http://www.dangdang.com/schema/ddframe/rdb"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.dangdang.com/schema/ddframe/rdb
http://www.dangdang.com/schema/ddframe/rdb/rdb.xsd">
<context:component-scan base-package="com.fulihui.sharding.jdbc" />
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.fulihui.sharding.jdbc.dal.mapper"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
<!-- 配置sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="shardingDataSource"/>
<property name="mapperLocations" value="classpath*:config/mapper/*-mapper.xml"/>
</bean>
<!-- 路由表、路由库规则配置，可以指定algorithm-class专门自己实现具体的路由规则，也可以使用表达式-->
<rdb:strategy id="userDatabaseShardingStrategy" sharding-columns="user_id" algorithm-class="com.fulihui.sharding.jdbc.algorithm.UserDatabaseShardingAlgorithm"/>
<rdb:strategy id="userTableShardingStrategy" sharding-columns="user_id" algorithm-class="com.fulihui.sharding.jdbc.algorithm.UserTableShardingAlgorithm"/>
<!-- 使用表达式方式 -->
<rdb:strategy id="studentDatabaseShardingStrategy" sharding-columns="student_id" algorithm-expression="sharding_${student_id.longValue() % 2}"/>
<rdb:strategy id="studentTableShardingStrategy" sharding-columns="student_id" algorithm-expression="t_student_${student_id.longValue() % 2}"/>
<rdb:data-source id="shardingDataSource">
<rdb:sharding-rule data-sources="sharding_0,sharding_1">
<rdb:table-rules>
<rdb:table-rule logic-table="t_user" actual-tables="sharding_${0..1}.t_user_${0..2}" database-strategy="userDatabaseShardingStrategy" table-strategy="userTableShardingStrategy"/>
<rdb:table-rule logic-table="t_student" actual-tables="sharding_${0..1}.t_student_${0..1}" database-strategy="studentDatabaseShardingStrategy" table-strategy="studentTableShardingStrategy"/>
</rdb:table-rules>
<rdb:default-database-strategy sharding-columns="none" algorithm-class="com.dangdang.ddframe.rdb.sharding.api.strategy.database.NoneDatabaseShardingAlgorithm"/>
<rdb:default-table-strategy sharding-columns="none" algorithm-class="com.dangdang.ddframe.rdb.sharding.api.strategy.table.NoneTableShardingAlgorithm"/>
</rdb:sharding-rule>
<rdb:props>
<prop key="metrics.enable">false</prop>
</rdb:props>
</rdb:data-source>
<!-- 事务 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="shardingDataSource" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<context:property-placeholder location="classpath:config/resource/jdbc_dev.properties" ignore-unresolvable="true"/>
<bean name="sharding_0" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc_url0}" />
<property name="username" value="${jdbc_username0}" />
<property name="password" value="${jdbc_password0}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="0" />
<!-- 连接池最大使用连接数量 -->
<property name="maxActive" value="20" />
<!-- 连接池最小空闲 -->
<property name="minIdle" value="0" />
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="60000" />
<property name="validationQuery" value="${validationQuery}" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="testWhileIdle" value="true" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="25200000" />
<!-- 打开removeAbandoned功能 -->
<property name="removeAbandoned" value="true" />
<!-- 1800秒，也就是30分钟 -->
<property name="removeAbandonedTimeout" value="1800" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
<property name="filters" value="stat" />
</bean>
<bean name="sharding_1" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc_url1}" />
<property name="username" value="${jdbc_username1}" />
<property name="password" value="${jdbc_password1}" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="0" />
<!-- 连接池最大使用连接数量 -->
<property name="maxActive" value="20" />
<!-- 连接池最小空闲 -->
<property name="minIdle" value="0" />
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="60000" />
<property name="validationQuery" value="${validationQuery}" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="testWhileIdle" value="true" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="25200000" />
<!-- 打开removeAbandoned功能 -->
<property name="removeAbandoned" value="true" />
<!-- 1800秒，也就是30分钟 -->
<property name="removeAbandonedTimeout" value="1800" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
<property name="filters" value="stat" />
</bean>
</beans>
增、删、改、查接口代码就不贴了。
测试类：
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(
locations = { "classpath*:config/spring/spring-database.xml",
"classpath*:config/spring/spring-sharding.xml" })
public class ShardingJdbcMybatisTest {
@Resource
public UserService userService;
@Resource
public StudentService studentService;
@Test
public void testUserInsert() {
UserDO u = new UserDO();
u.setUserId(9);
u.setAge(25);
u.setName("levon");
Assert.assertEquals(userService.insert(u), true);
}
@Test
public void testStudentInsert() {
StudentDO StudentDO = new StudentDO();
StudentDO.setStudentId(9);
StudentDO.setAge(21);
StudentDO.setName("hehe");
Assert.assertEquals(studentService.insert(StudentDO), true);
}
@Test
public void testFindAll(){
List<UserDO> UserDOs = userService.findAll();
if(null != UserDOs && !UserDOs.isEmpty()){
for(UserDO u :UserDOs){
System.out.println(u);
}
}
}
@Test
public void testSQLIN(){
List<UserDO> UserDOs = userService.findByUserIds(Arrays.asList(12,14,17));
if(null != UserDOs && !UserDOs.isEmpty()){
for(UserDO u :UserDOs){
System.out.println(u);
}
}
}
@Test
public void testTransactionTestSucess(){
userService.transactionTestSucess();
}
@Test(expected = IllegalAccessException.class)
public void testTransactionTestFailure() throws IllegalAccessException{
userService.transactionTestFailure();
}
}
