spring4配置hibernate5：

<bean id="sessionFactory"
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<bean id="transactionManager"
class="org.springframework.orm.hibernate5.HibernateTransactionManager">

<!-- 加载配置文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"
        file-encoding="utf-8" ignore-unresolvable="true" />

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="packagesToScan">
            <list>
                <!-- 可以加多个包 -->
                <value>com.wechat.entity.po</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
                <prop key="hibernate.temp.use_jdbc_metadata_defaults">false</prop>
            </props>
        </property>
    </bean>
<!-- 配置数据源 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
        destroy-method="close" p:driverClass="${jdbc.driverClassName}"
        p:jdbcUrl="${jdbc.url}" p:user="${jdbc.username}" p:password="${jdbc.password}"
        p:testConnectionOnCheckout="${jdbc.c3p0.testConnectionOnCheckout}"
        p:testConnectionOnCheckin="${jdbc.c3p0.testConnectionOnCheckin}"
        p:idleConnectionTestPeriod="${jdbc.c3p0.idleConnectionTestPeriod}"
        p:initialPoolSize="${jdbc.c3p0.initialPoolSize}" p:minPoolSize="${jdbc.c3p0.minPoolSize}"
        p:maxPoolSize="${jdbc.c3p0.maxPoolSize}" p:maxIdleTime="${jdbc.c3p0.maxIdleTime}" />


<!-- 配置Hibernate事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.orm.hibernate5.HibernateTransactionManager">
        <property name="sessionFactory" ref="sessionFactory" />
    </bean>

    <!-- 配置事务异常封装 -->
    <bean id="persistenceExceptionTranslationPostProcessor"
    class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />

    <!-- 基于数据源的事务管理器 -->
    <!-- <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" 
        p:dataSource-ref="dataSource" /> -->

    <!-- 配合<tx:advice>和<aop:advisor>完成了事务切面的定义 -->
    <!-- 使用强大的切点表达式是语言轻松定义目标方法 -->
    <aop:config proxy-target-class="true">
        <!-- 通过aop定义事务增强切面 -->
        <aop:pointcut expression=" execution(* com.wechat.service..*(..))"
            id="serviceMethod" />
        <!-- 引用事务增强 -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />
    </aop:config>
    <!-- 事务增强 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!-- 事务属性定义 -->
        <tx:attributes>
            <tx:method name="*" />
        </tx:attributes>
    </tx:advice>

jdbc.properties:

#-----------------------------------------------------
# 数据库配置
#-----------------------------------------------------
#服务器地址
host=127.0.0.1
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://${host}:3306/hibernate_test
jdbc.username=root
jdbc.password=root
#-----------------------------------------------------
# 适用于c3p0的配置
# c3p0反空闲设置，防止8小时失效问题28800
#-----------------------------------------------------
#idleConnectionTestPeriod要小于MySQL的wait_timeout
jdbc.c3p0.testConnectionOnCheckout=false
jdbc.c3p0.testConnectionOnCheckin=true
jdbc.c3p0.idleConnectionTestPeriod=3600
#-----------------------------------------------------
# c3p0连接池配置
#-----------------------------------------------------
#initialPoolSize, minPoolSize, maxPoolSize define the number of Connections that will be pooled.
#Please ensure that minPoolSize <= maxPoolSize.
#Unreasonable values of initialPoolSize will be ignored, and minPoolSize will be used instead.
jdbc.c3p0.initialPoolSize=10
jdbc.c3p0.minPoolSize=10
jdbc.c3p0.maxPoolSize=100
#maxIdleTime defines how many seconds a Connection should be permitted to go unused before being culled from the pool.
jdbc.c3p0.maxIdleTime=3600
#-----------------------------------------------------
# hibernate连接池配置
#-----------------------------------------------------
hibernate.connection.driverClass=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc:mysql://${host}:3306/${dbName}
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.hbm2ddl.auto=update