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有的时候，我在一个工程中需要访问两个以上的数据源，尤其是在系统集成的时候，以下是我在系统集成的时候遇到的情况，我的工程的架构是：spring2.0+ibatis2.0+struts1.2. 数据库是oracle数据库，
而需要集成的系统是sql server数据库，对方没有提供接口，要求直接操作sql server库。以下是spring配置文件中配置了两个数据源，包括service事务。实际上要把applicationContext.xml中的dao部分
独立到daoContext.xml文件中，为了节省篇幅，就放到了一起。
jdbc.properties文件内容如下：
jdbc2.driverClassName=net.sourceforge.jtds.jdbc.Driver jdbc2.url=jdbc:jtds:sqlserver://10.101.122.9:1433/testdb;charset=gb2312 jdbc2.username=user1 jdbc2.password=password jdbc.driverClassName=oracle.jdbc.driver.OracleDriver jdbc.url=jdbc:oracle:thin:@10.101.126.29:1521:DBSERVER jdbc.username=user1 jdbc.password=password
applicationContext.xml配置文件内容如下：
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"> <beans> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>jdbc.properties</value> </list> </property> </bean> <!-- =========================transactionManager========================= --> <bean id="autoProxyCreator" class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator"> <property name="beanNames"> <value>*Service</value> </property> <property name="interceptorNames"> <list> <value>transactionInterceptor</value> <value>transactionInterceptor2</value> </list> </property> </bean> <!-- =========================oracle dataSource========================= --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}"/> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> </bean> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <bean id="transactionInterceptor" class="org.springframework.transaction.interceptor.TransactionInterceptor"> <property name="transactionManager" ref="transactionManager"/> <property name="transactionAttributes"> <props> <prop key="insert*">PROPAGATION_REQUIRED</prop> <prop key="delete*">PROPAGATION_REQUIRED</prop> <prop key="update*">PROPAGATION_REQUIRED</prop> <prop key="do*">PROPAGATION_REQUIRED</prop> </props> </property> </bean> <bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean"> <property name="configLocation" value="sql-map-config.xml"/> <property name="dataSource" ref="dataSource"/> </bean> <!-- =========================sqlserver dataSource========================= --> <bean id="dataSource2" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc2.driverClassName}"/> <property name="url" value="${jdbc2.url}"/> <property name="username" value="${jdbc2.username}"/> <property name="password" value="${jdbc2.password}"/> </bean> <bean id="transactionManager2" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource2"/> </bean> <bean id="transactionInterceptor2" class="org.springframework.transaction.interceptor.TransactionInterceptor"> <property name="transactionManager" ref="transactionManager2"/> <property name="transactionAttributes"> <props> <prop key="insert*">PROPAGATION_REQUIRED</prop> <prop key="delete*">PROPAGATION_REQUIRED</prop> <prop key="update*">PROPAGATION_REQUIRED</prop> <prop key="do*">PROPAGATION_REQUIRED</prop> </props> </property> </bean> <bean id="sqlMapClient2" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean"> <property name="configLocation" value="sql-map-config.xml"/> <property name="dataSource" ref="dataSource2"/> </bean> <!-- =========================for example ========================= --> <bean id="FirstDAO" class="com.demo.impl.FirstDAOImpl"> <property name="sqlMapClient" ref="sqlMapClient"/> </bean> <bean id="SecondDAO" class="com.demo.impl.SecondDAOImpl"> <property name="sqlMapClient" ref="sqlMapClient2"/> </bean> <bean id="FirstService" class="com.demo.impl.FirstServiceImpl"> <property name="firstDAO" ref="FirstDAO"/> </bean> <bean id="SecondService" class="com.demo.impl.SecondServiceImpl"> <property name="secondDAO" ref="SecondDAO"/> </bean>
</beans>
多数据源问题--Spring+Ibatis 访问多个数据源（非分布式事务）
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原文地址：http://www.cnblogs.com/duanxz/p/3746992.html
