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();
    }

}