applicationContext.xml文件完整配置

<?xml version="1.0" encoding="UTF-8"?>

<beans 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-2.5.xsd">

<description>Spring公共配置文件</description>

<!-- 导入bean文件 -->

<import resource="classpath*:config/applicationContext-*.xml" />

<!-- 定义受环境影响易变的变量 -->

<bean id="propertyConfigurer"

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<property name="systemPropertiesModeName"

value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />

<property name="ignoreResourceNotFound" value="true" />

<property name="locations">

<list>

<!-- 本地开发环境配置 -->

<value>classpath*:config/datasource.properties</value>

</list>

</property>

</bean>

<!-- 数据源配置 -->

<bean id="maindataSource"

class="com.mchange.v2.c3p0.ComboPooledDataSource"

destroy-method="close">

<property name="driverClass" value="${jdbc.driverClassName}" />

<property name="jdbcUrl" value="${jdbc.url}" />

<property name="user" value="${jdbc.username}" />

<property name="password" value="${jdbc.password}" />

<!-- 连接池启动时的初始值 -->

<property name="initialPoolSize"

value="${jdbc.connectionPool.initialPoolSize}" />

<!-- 连接池的最大值 -->

<property name="maxPoolSize"

value="${jdbc.connectionPool.maxPoolSize}" />

<!-- 连接池的最小值 -->

<property name="minPoolSize"

value="${jdbc.connectionPool.minPoolSize}" />

<!-- 最大空闲值.当经过一个高峰时间后，连接池可以慢慢将已经用不到的连接慢慢释放一部分，一直减少到maxIdle为止 -->

<property name="maxIdleTime"

value="${jdbc.connectionPool.maxIdleTime}" />

<!-- 最小空闲值.当空闲的连接数少于阀值时，连接池就会预申请去一些连接，以免洪峰来时来不及申请

<property name="minIdleTime"

value="${jdbc.connectionPool.minIdleTime}" />-->

</bean>

<bean id="dataSource"

class="org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy">

<property name="targetDataSource">

<ref local="maindataSource" />

</property>

</bean>

<!-- sessionFactory配置 -->

<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="dataSource" ref="dataSource"></property>

<!-- hibernate默认的策略，其中包含了把列名的大写自动变成小写并加上下划线

<property name="namingStrategy">

<bean class="org.hibernate.cfg.ImprovedNamingStrategy" />

</property>-->

<!-- 实体映射文件 -->

<property name="mappingDirectoryLocations">

<list>

<value>classpath:com/test/demo/model/maps</value>

</list>

</property>

<!-- 数据库属性配置 -->

<property name="hibernateProperties">

<props>

<!-- SQL方言，这边设定的是MySQL -->

<prop key="hibernate.dialect">${hibernate.dialect}</prop>

<!-- 为true表示将Hibernate发送给数据库的sql显示出来 -->

<prop key="hibernate.show_sql">true</prop>

<!-- 格式化输出sql语句 -->

<prop key="hibernate.format_sql">true</prop>

<prop key="hibernate.generate_statistics">true</prop>

<!-- 一次读的数据库记录数 -->

<prop key="hibernate.jdbc.fetch_size">50</prop>

<prop key="hibernate.connection.release_mode">auto</prop>

<prop key="hibernate.autoReconnect">true</prop>

<prop key="hibernate.cglib.use_reflection_optimizer">true</prop>

<!-- 开启二级缓存 -->

<prop key="hibernate.cache.use_query_cache">true</prop>

<prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>

<prop key="hibernate.cache.provider_configuration_file_resource_path">ehcache.xml</prop>

</props>

</property>

</bean>

<!-- 事务管理器配置 -->

<bean id="transactionManager"

class="org.springframework.orm.hibernate3.HibernateTransactionManager">

<property name="sessionFactory">

<ref bean="sessionFactory" />

</property>

</bean>

</beans>