applicationContext.xml配置文件全文
<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
<bean id="placeholderConfig"
dependency-check="none">
<property name="driverClass">
<value>${datasource.driverClassName}</value>
</property>
<property name="jdbcUrl">
<value>${datasource.url}</value>
</property>
<property name="user">
<value>${datasource.username}</value>
</property>
<property name="password">
<value>${datasource.password}</value>
</property>
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
<property name="acquireIncrement">
<value>${c3p0.acquireIncrement}</value>
</property>
<!--初始化时获取三个连接，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
<property name="initialPoolSize">
<value>${c3p0.initialPoolSize}</value>
</property>
<!--连接池中保留的最小连接数。-->
<property name="minPoolSize">
<value>${c3p0.minPoolSize}</value>
</property>
<!--连接池中保留的最大连接数。Default: 15 -->
<property name="maxPoolSize">
<value>${c3p0.maxPoolSize}</value>
</property>
<!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
<property name="maxIdleTime">
<value>${c3p0.maxIdleTime}</value>
</property>
<!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
<property name="idleConnectionTestPeriod">
<value>${c3p0.idleConnectionTestPeriod}</value>
</property>
<!-- 最大的PreparedStatement的数量 -->
<property name="maxStatements">
<value>${c3p0.maxStatements}</value>
</property>
<!--
c3p0是异步操作的，缓慢的JDBC操作通过帮助进程完成。扩展这些操作可以有效的提升性能
通过多线程实现多个操作同时被执行。Default: 3
-->
<property name="numHelperThreads">
<value>${c3p0.numHelperThreads}</value>
</property>
</bean>
<bean id="sessionFactory"
/>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.connection.provider_class">
org.hibernate.connection.C3P0ConnectionProvider
</prop>
<prop key="hibernate.dialect">
${hibernate.dialect}
</prop>
<!-- 指定JDBC抓取数量的大小 -->
<prop key="hibernate.jdbc.fetch_size">
${hibernate.jdbc.fetch_size}
</prop>
<!-- 允许Hibernate使用JDBC2的批量更新 -->
<prop key="hibernate.jdbc.batch_size">
${hibernate.jdbc.batch_size}
</prop>
<!-- 输出所有SQL语句到控制台 -->
<prop key="hibernate.show_sql">
${hibernate.show_sql}
</prop>
<!-- 在log和console中打印出更漂亮的SQL -->
<prop key="hibernate.format_sql">
${hibernate.format_sql}
</prop>
<prop key="hibernate.c3p0.validate">true</prop>
<!-- 强制Hibernate按照被更新数据的主键，为SQL更新排序。这么做将减少在高并发系统中事务的死锁 -->
<prop key="hibernate.order_updates">true</prop>
<!-- 如果开启, Hibernate将收集有助于性能调节的统计数据. -->
<prop key="hibernate.generate_statistics">true</prop>
<!-- 如果开启, 在对象被删除时生成的标识属性将被重设为默认值 -->
<prop key="hibernate.use_identifer_rollback">true</prop>
<!-- 如果开启, Hibernate将在SQL中生成有助于调试的注释信息 -->
<prop key="hibernate.use_sql_comments">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>com/common/config/TbUser.hbm.xml</value>
<value>com/common/config/TbInsert.hbm.xml</value>
<value>com/common/config/TbFile.hbm.xml</value>
</list>
</property>
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager"
ref="sessionFactory"></property>
</bean>
<!--注解式事务配置驱动-->
<tx:annotation-driven transaction-manager="transactionManager"
proxy-target-/>
</beans>
