SSH框架系列：Spring配置多个数据源

配置2个数据源，2个对应的SessionFactory，2个事务等。Spring的配置如下：

<?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:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <!-- 引入datasource配置文件 -->
<context:property-placeholder location="classpath:datasource.properties" />
<!--创建mysql jdbc数据源 -->
<bean id="mysqlDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method
4000
="close">
<property name="driverClass" value="${jdbc.mysql.driver}" />
<property name="jdbcUrl" value="${jdbc.mysql.url}" />
<property name="user" value="${jdbc.mysql.username}" />
<property name="password" value="${jdbc.mysql.password}" />
<!-- 指定连接数据库连接池的最小连接数 -->
<property name="minPoolSize" value="10" />
<!-- 指定连接数据库连接池的最大连接数 -->
<property name="maxPoolSize" value="30" />
<!-- 指定连接数据库连接池的连接的最大空闲时间 -->
<property name="maxIdleTime" value="1800" />
<property name="acquireIncrement" value="2" />
<property name="maxStatements" value="0" />
<!-- 指定连接数据库连接池的初始化连接数 -->
<property name="initialPoolSize" value="2" />
<property name="idleConnectionTestPeriod" value="1800" />
<!-- 当连接失败时，尝试重新连接的次数 -->
<property name="acquireRetryAttempts" value="30" />
<property name="breakAfterAcquireFailure" value="true" />
<property name="testConnectionOnCheckout" value="false" />
</bean>
<!--创建oracle jdbc数据源 -->
<bean id="oracleDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass" value="${jdbc.oracle.driver}" />
<property name="jdbcUrl" value="${jdbc.oracle.url}" />
<property name="user" value="${jdbc.oracle.username}" />
<property name="password" value="${jdbc.oracle.password}" />
<!-- 指定连接数据库连接池的最小连接数 -->
<property name="minPoolSize" value="10" />
<!-- 指定连接数据库连接池的最大连接数 -->
<property name="maxPoolSize" value="30" />
<!-- 指定连接数据库连接池的连接的最大空闲时间 -->
<property name="maxIdleTime" value="1800" />
<property name="acquireIncrement" value="2" />
<property name="maxStatements" value="0" />
<!-- 指定连接数据库连接池的初始化连接数 -->
<property name="initialPoolSize" value="2" />
<property name="idleConnectionTestPeriod" value="1800" />
<!-- 当连接失败时，尝试重新连接的次数 -->
<property name="acquireRetryAttempts" value="1" />
<property name="breakAfterAcquireFailure" value="true" />
<property name="testConnectionOnCheckout" value="false" />
</bean>
<!-- 创建MysqlSessionFactory-->
<bean id="mysqlSessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="mysqlDataSource" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="current_session_context_class">thread</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>edu/njupt/zhb/model/mysql/Student.hbm.xml</value>
</list>
</property>
</bean>

<!-- 创建OracleSessionFactory-->
<bean id="oracleSessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="oracleDataSource" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
<prop key="current_session_context_class">thread</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>edu/njupt/zhb/model/oracle/Student.hbm.xml</value>
</list>
</property>
</bean>

<!-- 配置Mysql事务 -->
<bean id="mysqlTransactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="mysqlSessionFactory" />
</property>
</bean>
<!--Mysql hibernate4必须配置为开启事务 否则 getCurrentSession()获取不到-->
<bean id="mysqlTransactionInterceptor"
class="org.springframework.transaction.interceptor.TransactionInterceptor">
<property name="transactionManager">
<ref local="mysqlTransactionManager" />
</property>
<property name="transactionAttributes">
<props>
<prop key="register">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="select*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="query*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="sync*">PROPAGATION_REQUIRED</prop>
<prop key="finish*">PROPAGATION_REQUIRED</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="edit*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
<prop key="modify*">PROPAGATION_REQUIRED</prop>
<prop key="*">PROPAGATION_REQUIRED,-java.lang.Exception</prop>
</props>
</property>
</bean>

<!-- 配置oracle事务 -->
<bean id="oracleTransactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="oracleSessionFactory" />
</property>
</bean>
<!--Mysql hibernate4必须配置为开启事务 否则 getCurrentSession()获取不到-->
<bean id="oracleTransactionInterceptor"
class="org.springframework.transaction.interceptor.TransactionInterceptor">
<property name="transactionManager">
<ref local="oracleTransactionManager" />
</property>
<property name="transactionAttributes">
<props>
<prop key="register">PROPAGATION_REQUIRED</prop>
<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="select*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="query*">PROPAGATION_REQUIRED,readOnly</prop>
<prop key="sync*">PROPAGATION_REQUIRED</prop>
<prop key="finish*">PROPAGATION_REQUIRED</prop>
<prop key="add*">PROPAGATION_REQUIRED</prop>
<prop key="insert*">PROPAGATION_REQUIRED</prop>
<prop key="edit*">PROPAGATION_REQUIRED</prop>
<prop key="update*">PROPAGATION_REQUIRED</prop>
<prop key="save*">PROPAGATION_REQUIRED</prop>
<prop key="remove*">PROPAGATION_REQUIRED</prop>
<prop key="delete*">PROPAGATION_REQUIRED</prop>
<prop key="modify*">PROPAGATION_REQUIRED</prop>
<prop key="*">PROPAGATION_REQUIRED,-java.lang.Exception</prop>
</props>
</property>
</bean>

<!-- autoproxy 自动创建代理-->
<bean id="ProxyCreator" class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<property name="beanNames">
<list>
<value>*ServiceImpl</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>mysqlTransactionInterceptor</value>
<value>oracleTransactionInterceptor</value>
</list>
</property>
</bean>
<!--********************************注入Mysql Dao*********************************************-->
<bean id="mysqlBaseDao" class="edu.njupt.zhb.dao.MysqlBaseDao">
<property name="sessionFactory" ref="mysqlSessionFactory"></property>
</bean>
<!--********************************注入Oracle Dao*********************************************-->
<bean id="oracleBaseDao" class="edu.njupt.zhb.dao.OracleBaseDao">
<property name="sessionFactory" ref="oracleSessionFactory"></property>
</bean>
<!--********************************注入Services********************************-->
<!--********************************注入Action********************************-->
</beans>