Spring3.2.8+Mybatis3.2.6 多数据源基于BaseDAO的配置
配置数据源为：
MySQL5.5.6
H2Database 1.3.75
这个配置起来比较麻烦，本文这种方法有点麻烦，就是dao不能再用注解了，但是程序简单。还有别的方法，后续放出。
spring-core.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans default-autowire="byName"
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context">
<context:annotation-config/>
<context:property-placeholder location="classpath*:framework/jdbc.properties"/>
<!-- 配置系统的数据源 -->
<bean id="dataSourceMySQL" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/qhtf"/>
<property name="username" value="root"/>
<property name="password" value="leizm"/>
<property name="filters" value="stat"/>
<property name="maxActive" value="10"/>
<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="validationQuery" value="SELECT 'x'"/>
<property name="testWhileIdle" value="true"/>
<property name="testOnBorrow" value="false"/>
<property name="testOnReturn" value="false"/>
<property name="poolPreparedStatements" value="true"/>
<property name="maxPoolPreparedStatementPerConnectionSize" value="50"/>
<property name="maxOpenPreparedStatements" value="100"/>
</bean>
<bean id="sqlSessionFactoryMySQL" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:framework/mybatis-config.xml"/>
<property name="mapperLocations" value="classpath:/com/lavasoft/aac/entity/sqlmap/*.xml"/>
<property name="dataSource" ref="dataSourceMySQL"/>
</bean>
<bean id="sqlSessionTemplateMySQL" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sqlSessionFactoryMySQL"/>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<property name="sqlSessionTemplateBeanName" value="sqlSessionTemplateMySQL"/>
<property name="basePackage" value="com.lavasoft.aac.dao"/>
</bean>
<!-- 事务管理器配置,单数据源事务 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSourceMySQL"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="select*" read-only="true"/>
<tx:method name="get*" read-only="true"/>
<tx:method name="load*" read-only="true"/>
<tx:method name="find*" read-only="true"/>
<tx:method name="query*" read-only="true"/>
<tx:method name="count*" read-only="true"/>
<tx:method name="read*" read-only="true"/>
<tx:method name="sync*"/>
<tx:method name="*" propagation="REQUIRED" rollback-for="Exception"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="executeService" expression="execution(* com.lavasoft.aac.service.*SVImpl.*(..))"/>
<aop:advisor pointcut-ref="executeService" advice-ref="txAdvice"/>
</aop:config>
<!-- ================================H2================================== -->
<!--H2内存数据库配置-->
<bean id="dataSourceH2" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="org.h2.Driver"/>
<property name="url" value="jdbc:h2:mem:/memdb;DB_CLOSE_DELAY=-1"/>
<property name="username" value="sa"/>
<property name="password" value=""/>
<property name="filters" value="stat"/>
<property name="maxActive" value="10"/>
<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="validationQuery" value="SELECT 'x'"/>
<property name="testWhileIdle" value="true"/>
<property name="testOnBorrow" value="false"/>
<property name="testOnReturn" value="false"/>
<property name="poolPreparedStatements" value="true"/>
<property name="maxPoolPreparedStatementPerConnectionSize" value="50"/>
<property name="maxOpenPreparedStatements" value="100"/>
</bean>
<bean id="sqlSessionFactoryH2" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:framework/h2SqlMapConfig.xml"/>
<property name="mapperLocations" value="classpath:/com/lavasoft/aac/entity/sqlmap/*.xml"/>
<property name="dataSource" ref="dataSourceH2"/>
</bean>
<bean id="sqlSessionTemplateH2" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sqlSessionFactoryH2"/>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryH2"/>
<property name="sqlSessionTemplateBeanName" value="sqlSessionTemplateH2"/>
<property name="basePackage" value="com.lavasoft.aac.daoh2"/>
</bean>
<bean id="baseDAO" class="com.lavasoft.framework.core.BaseMybatisDAO" abstract="true">
<property name="sqlSessionFactory" ref="sqlSessionFactoryH2"/>
<property name="sqlSessionTemplate" ref="sqlSessionTemplateH2"/>
</bean>
<bean id="transactionManagerH2" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSourceH2"/>
</bean>
<tx:advice id="h2txAdvice" transaction-manager="transactionManagerH2">
<tx:attributes>
<tx:method name="create*" rollback-for="Exception"/>
<tx:method name="delete*" rollback-for="Exception"/>
<tx:method name="save*" rollback-for="Exception"/>
<tx:method name="insert*" rollback-for="Exception"/>
<tx:method name="update*" rollback-for="Exception"/>
<tx:method name="*" read-only="true" rollback-for="Exception"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="executeServiceH2" expression="execution(* com.lavasoft.ntv.service.*SVImpl.*(..))"/>
<aop:advisor pointcut-ref="executeServiceH2" advice-ref="h2txAdvice"/>
</aop:config>
</beans>
spring-back.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans default-autowire="byName"
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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"
xmlns:context="http://www.springframework.org/schema/context">
<context:annotation-config/>
<!--<context:component-scan base-package="com.lavasoft.aac.daoh2" resource-pattern="Sys_userDAO.class"/>-->
<context:component-scan base-package="com.lavasoft.aac.service" resource-pattern="H2SV.class"/>
<!--<context:component-scan base-package="com.lavasoft.aac.dao" resource-pattern="*DAO.class"/>-->
<!--<context:component-scan base-package="com.lavasoft.aac.service" resource-pattern="*SVImpl.class"/>-->
<bean id="sys_userDAO" class="com.lavasoft.aac.daoh2.Sys_userDAO" parent="baseDAO"/>
<import resource="classpath:/framework/spring-core.xml"/>
</beans>
BaseMybatisDAO
/**
* 通用DAO的Mybatis实现
*
* @author leizhimin 11-12-12 下午10:42
*/
public abstract class BaseMybatisDAO<E, PK extends Serializable> extends SqlSessionDaoSupport implements GenericDAO<E, PK> {
protected String sqlmapNamespace; //ibatis sql map的命名空间，即使用实体类的简单名称
protected Class entityType; //运行时的实体类型，也对应为SQL的命名空间。
@Override
public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
super.setSqlSessionFactory(sqlSessionFactory);
}
@Override
public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) {
super.setSqlSessionTemplate(sqlSessionTemplate);
}
BaseMybatisDAO省略具体实现代码，仅保留需要注入的两个setter方法。
测试下：
DEBUG 2014-04-16 17:33:35 org.mybatis.spring.SqlSessionUtils:104 - Creating a new SqlSession
DEBUG 2014-04-16 17:33:35 org.mybatis.spring.SqlSessionUtils:140 - SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@d58ce2] was not registered for synchronization because synchronization is not active
DEBUG 2014-04-16 17:33:35 org.springframework.jdbc.datasource.DataSourceUtils:110 - Fetching JDBC Connection from DataSource
DEBUG 2014-04-16 17:33:35 org.mybatis.spring.transaction.SpringManagedTransaction:86 - JDBC Connection [com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl@1a7789c] will not be managed by Spring
DEBUG 2014-04-16 17:33:35 Sys_user.insert:139 - ==> Preparing: insert into sys_user( fullname, account, password, salt, isExpired, isLock, createtime, status, email, mobile, phone, sex, picture, fromtype ) values( ?, ?, ?, ?, ?, ?, now(), ?, ?, ?, ?, ?, ?, ? )
DEBUG 2014-04-16 17:33:35 Sys_user.insert:139 - ==> Parameters: leizm(String), asdfa(String), 23492399(String), null, 0(Integer), 0(Integer), 0(Integer), asdf@asdf.com(String), 139232302033(String), null, null, null, 0(Integer)
DEBUG 2014-04-16 17:33:35 Sys_user.insert:139 - <== Updates: 1
DEBUG 2014-04-16 17:33:35 com.alibaba.druid.pool.PreparedStatementPool:123 - {conn-10002, pstmt-20003} enter cache
DEBUG 2014-04-16 17:33:35 org.mybatis.spring.SqlSessionUtils:168 - Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@d58ce2]
DEBUG 2014-04-16 17:33:35 org.springframework.jdbc.datasource.DataSourceUtils:327 - Returning JDBC Connection to DataSource
1
Process finished with exit code 0
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