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spring 4 + jpa(hibernate 3/4) + spring mvc 多数据源配置(二)+Druid连接池
接上一个博文(http://www.loveweir.com/html/18.html),没有数据库连接池,纯粹用jpa的官方链接。
所以这次要加上连接池本文用Druid连接池来实现多数据源的配置。
persistence.xml 这个文件可以省略了,全部配置在applicationContext.xml 里面:
<?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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jpa="http://www.springframework.org/schema/data/jpa" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:util="http://www.springframework.org/schema/util" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.1.xsd http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.2.xsd"> <context:annotation-config/> <context:component-scan base-package="com.tw"/> <!-- mysql数据源配置 --> <bean id="mysqlDataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <!-- 驱动名称 --> <property name="DriverClassName" value="com.mysql.jdbc.Driver" /> <!-- JDBC连接串 --> <property name="url" value="jdbc:mysql://192.168.132.1:3306/twq?useUnicode=true&characterEncoding=UTF-8" /> <!-- 数据库用户名称 --> <property name="username" value="ws" /> <!-- 数据库密码 --> <property name="password" value="unionmanws" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" value="20" /> <!-- 初始化大小 --> <property name="initialSize" value="5" /> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="60000" /> <!-- 连接池最小空闲 --> <property name="minIdle" value="2" /> <!-- 逐出连接的检测时间间隔 --> <property name="timeBetweenEvictionRunsMillis" value="3000" /> <!-- 最小逐出时间 --> <property name="minEvictableIdleTimeMillis" value="300000" /> <!-- 测试有效用的SQL Query --> <property name="validationQuery" value="SELECT ‘x‘" /> <!-- 连接空闲时测试是否有效 --> <property name="testWhileIdle" value="true" /> <!-- 获取连接时测试是否有效 --> <property name="testOnBorrow" value="false" /> <!-- 归还连接时是否测试有效 --> <property name="testOnReturn" value="false" /> </bean> <!-- 整合mysqljpa --> <bean id="mysqlEntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="mysqlDataSource"></property> <property name="packagesToScan" value="com.tw.entity.sys"></property> <property name="persistenceUnitName" value="mysqldb"></property> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="true"></property> </bean> </property> <property name="jpaProperties"> <props> <!--设置外连接抓取树的最大深度 --> <prop key="hibernate.max_fetch_depth">3</prop> <prop key="hibernate.jdbc.fetch_size">18</prop> <prop key="hibernate.jdbc.batch_size">10</prop> <!-- 自动建表类型 validate|create|create-drop|update --> <!-- <prop key="hibernate.hbm2ddl.auto">validate</prop> --> <!-- 是否显示SQL --> <prop key="hibernate.show_sql">false</prop> <!-- 显示SQL是否格式化 --> <prop key="hibernate.format_sql">false</prop> <!-- 关闭二级缓存 --> <prop key="hibernate.cache.provider_class">org.hibernate.cache.NoCacheProvider</prop> <!-- 关闭实体字段映射校验 --> <prop key="javax.persistence.validation.mode">none</prop> </props> </property> </bean> <bean id="mysqltransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="mysqlEntityManagerFactory" /> <qualifier value="mysqlEM"/> </bean> <tx:annotation-driven transaction-manager="mysqltransactionManager" proxy-target-class="false"/> <!-- sqlserver数据源配置 --> <bean id="sqlserverDataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <!-- 驱动名称 --> <property name="DriverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" /> <!-- JDBC连接串 --> <property name="url" value="jdbc:sqlserver://192.168.130.10:1433;DatabaseName=unionman" /> <!-- 数据库用户名称 --> <property name="username" value="sa" /> <!-- 数据库密码 --> <property name="password" value="123abc" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" value="20" /> <!-- 初始化大小 --> <property name="initialSize" value="5" /> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="60000" /> <!-- 连接池最小空闲 --> <property name="minIdle" value="2" /> <!-- 逐出连接的检测时间间隔 --> <property name="timeBetweenEvictionRunsMillis" value="3000" /> <!-- 最小逐出时间 --> <property name="minEvictableIdleTimeMillis" value="300000" /> <!-- 测试有效用的SQL Query --> <property name="validationQuery" value="SELECT ‘x‘" /> <!-- 连接空闲时测试是否有效 --> <property name="testWhileIdle" value="true" /> <!-- 获取连接时测试是否有效 --> <property name="testOnBorrow" value="false" /> <!-- 归还连接时是否测试有效 --> <property name="testOnReturn" value="false" /> </bean> <!-- 整合sqlserverjpa --> <bean id="sqlserverEntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="dataSource" ref="sqlserverDataSource"></property> <property name="packagesToScan" value="com.tw.entity.plan"></property> <property name="persistenceUnitName" value="sqlserverdb"></property> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="true"></property> </bean> </property> <property name="jpaProperties"> <props> <!--设置外连接抓取树的最大深度 --> <prop key="hibernate.max_fetch_depth">3</prop> <prop key="hibernate.jdbc.fetch_size">18</prop> <prop key="hibernate.jdbc.batch_size">10</prop> <!-- 自动建表类型 validate|create|create-drop|update --> <!-- <prop key="hibernate.hbm2ddl.auto">validate</prop> --> <!-- 是否显示SQL --> <prop key="hibernate.show_sql">false</prop> <!-- 显示SQL是否格式化 --> <prop key="hibernate.format_sql">false</prop> <!-- 关闭二级缓存 --> <prop key="hibernate.cache.provider_class">org.hibernate.cache.NoCacheProvider</prop> <!-- 关闭实体字段映射校验 --> <prop key="javax.persistence.validation.mode">none</prop> </props> </property> </bean> <bean id="sqlservertransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="sqlserverEntityManagerFactory" /> <qualifier value="sqlserverEM"/> </bean> <tx:annotation-driven transaction-manager="sqlservertransactionManager" proxy-target-class="false"/> </beans>
其他不需要变动,这样就ok。
spring 4 + jpa(hibernate 3/4) + spring mvc 多数据源配置(二)+Druid连接池
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