Spring Mybatis多数据源配置范例

 <?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:tx="http://www.springframework.org/schema/tx"
        xmlns:p="http://www.springframework.org/schema/p"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

     <!-- 框架 -->
     <bean id="messageFactory" class="catf.core.message.factory.MessageFactory">
         <constructor-arg index="0" name="resource" value="catf/resource/mapper/msg/catf_messages_mapper.xml"/>
     </bean>

     <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
         <property name="locations">
             <list>
                 <value>classpath:spring/handler.properties</value>
                 <value>classpath*:/config/扩展api/expand-base-config.properties</value>
                 <value>classpath:spring/ffmpeg.properties</value>
                 <value>classpath:公共数据/mysql配置.properties</value>
             </list>
         </property>
         <property name="fileEncoding" value="utf-8" />
     </bean>

     <bean id="dataSourceParent" abstract="true" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
         <property name="filters" value="stat" />
         <property name="maxActive" value="20" />
         <property name="initialSize" value="1" />
         <property name="maxWait" value="60000" />
         <property name="minIdle" value="1" />
         <property name="timeBetweenEvictionRunsMillis" value="60000" />
         <property name="minEvictableIdleTimeMillis" value="300000" />
         <property name="testWhileIdle" value="true" />
         <property name="testOnBorrow" value="false" />
         <property name="testOnReturn" value="false" />
         <property name="poolPreparedStatements" value="true" />
         <property name="maxOpenPreparedStatements" value="20" />
         <property name="asyncInit" value="true" />
     </bean>

     <bean id="dataSourceMaserati" parent="dataSourceParent">
         <property name="url" value="${jdbc.url}" />
         <property name="username" value="${jdbc.username}" />
         <property name="password" value="${jdbc.password}" />
     </bean>

     <bean id="dataSourceBentley" parent="dataSourceParent">
         <property name="url" value="${jdbc2.url}" />
         <property name="username" value="${jdbc2.username}" />
         <property name="password" value="${jdbc2.password}" />
     </bean>

     <bean id="dataSourceSwitcher" class="catf.component.mybatis.manager.ThreadLocalRountingDataSource">
         <property name="targetDataSources">
             <map>
                 <entry key="dataSourceMarserati" value-ref="dataSourceMaserati"/>
                 <entry key="dataSourceBentley" value-ref="dataSourceBentley"/>
             </map>
         </property>
         <property name="defaultTargetDataSource" ref="dataSourceMaserati"/>
     </bean>

     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
         <property name="dataSource" ref="dataSourceSwitcher"/>
         <property name="typeAliasesPackage" value="catf.component.mybatis"/>
         <property name="mapperLocations" value="classpath:catf/component/mybatis/mapper/mybatisMapper.xml"/>
     </bean>

     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"
           p:basePackage="catf.component.mybatis.dao"
           p:sqlSessionFactoryBeanName="sqlSessionFactory">
     </bean>

     <!-- 4. 事务管理 : DataSourceTransactionManager -->
     <bean  id="txManager"
            class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
         <property name="dataSource" ref="dataSourceSwitcher"/>
     </bean>

     <!-- 5. 使用声明式事务 -->
     <tx:annotation-driven transaction-manager="txManager" />

     <bean id="handlerStart" class="catf.core.handler.frame.spring.HandlerStart">
         <property name="frameMessageHandler" value="${handler.message.frame}"/>
         <property name="tstExecMessageHandler" value="${handler.message.tst.exec}"/>
         <property name="interpreterHandler" value="${handler.interpreter}"/>
         <property name="loaderHandler" value="${handler.loader}"/>
         <property name="fileOperateHandler" value="${handler.file.operate}"/>
     </bean>
     <bean id="ffmpegConfig" class="catf.executor.record.model.FFmpegConfig">
         <property name="windowsCmd" value="${ffmpeg.win}"/>
         <property name="linuxCmd" value="${ffmpeg.lx}"/>
         <property name="macOSCmd" value="${ffmpeg.mac}"/>
     </bean>

     <context:component-scan
             base-package="catf.core.thread.pool,catf.core.handler.frame.spring,catf.core.message.service,catf.core.xml.service">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
         <context:exclude-filter type="regex" expression="catf.core.handler.frame.spring.HandlerStart"/>
     </context:component-scan>
     <context:component-scan
             base-package="catf.interpreter, catf.loader, catf.executor">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
         <context:exclude-filter type="regex" expression="catf.executor.record.model.FFmpegConfig"/>
     </context:component-scan>

     <!-- component -->
     <context:component-scan
             base-package="catf.component">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
         <context:exclude-filter type="regex" expression="catf.executor.record.model.FFmpegConfig"/>
     </context:component-scan>
     <aop:aspectj-autoproxy proxy-target-class="true" />

     <!-- 扩展组件 -->
     <context:component-scan
             base-package="catf.expand.component.base">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
     </context:component-scan>
     <context:component-scan
             base-package="catf.expand">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
     </context:component-scan>
     <context:component-scan
             base-package="catf.expand.component.web">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
     </context:component-scan>
     <context:component-scan
             base-package="weshare.token">
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Repository"/>
     </context:component-scan>

 </beans>

mysql配置.properties

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://20.1.1.11:16306/maserati?tinyInt1isBit=false&autoReconnect=true
jdbc.username=root
jdbc.password=root

jdbc2.driver=com.mysql.cj.jdbc.Driver
jdbc2.url=jdbc:mysql://20.1.1.11:16306/bentley?tinyInt1isBit=false&autoReconnect=true
jdbc2.username=root
jdbc2.password=root

ThreadLocalRountingDataSource.class

 package catf.component.mybatis.manager;

 import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource;

 public class ThreadLocalRountingDataSource extends AbstractRoutingDataSource {
     @Override
     protected Object determineCurrentLookupKey() {
         return DataSourcesTypeManager.get();
     }

 }

DataSourcesTypeManager .class

 package catf.component.mybatis.manager;

 public class DataSourcesTypeManager {

     private static final ThreadLocal<String> dataSourceTypes = new ThreadLocal<>();

     public static String get() {
         return dataSourceTypes.get();
     }

     /**
      * 设置数据源
      */
     public static void set(String dataSourceType) {
         dataSourceTypes.set(dataSourceType);
     }

     /**
      * 清除dataSourceKey的值
      */
     public static void remove() {
         dataSourceTypes.remove();
     }

 }