javaWeb快速开发必备(三 spring配置)

spring相关配置
      <?xml version="1.0" encoding="UTF-8"?>
	<beans xmlns="http://www.springframework.org/schema/beans"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
		xmlns:aop="http://www.springframework.org/schema/aop"
		xmlns:context="http://www.springframework.org/schema/context"
		xmlns:tx="http://www.springframework.org/schema/tx"
		xsi:schemaLocation="http://www.springframework.org/schema/beans 
			http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
			http://www.springframework.org/schema/aop 
			http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
			http://www.springframework.org/schema/context 
			http://www.springframework.org/schema/context/spring-context-3.0.xsd
			http://www.springframework.org/schema/tx 
			http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">

	<!-- 自动扫描与装配bean -->
	<context:component-scan base-package="com.ys" />
	
	<!-- 加载外部的properties配置文件 -->
	<context:property-placeholder location="classpath:jdbc.properties" />
	<!-- 配置数据库连接池 (c3p0) -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<!-- 基本信息 -->
		<property name="jdbcUrl" value="${jdbcUrl}" />
		<property name="driverClass" value="${driverClass}" />
		<property name="user" value="${username}" />
		<property name="password" value="${password}" />
		<!-- 其他配置 -->
		<!--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="3" />
		<!--连接池中保留的最小连接数。Default: 3 -->
		<property name="minPoolSize" value="3" />
		<!--连接池中保留的最大连接数。Default: 15 -->
		<property name="maxPoolSize" value="5" />
		<!--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="3" />
		<!-- 控制数据源内加载的PreparedStatements数量。如果maxStatements与maxStatementsPerConnection均为0,则缓存被关闭。Default: 0 -->
		<property name="maxStatements" value="8" />
		<!-- maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0 -->
		<property name="maxStatementsPerConnection" value="5" />
		<!--最大空闲时间,1800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="1800" />
	</bean>

	<!-- 配置SessionFactory(整合Hibernate) -->
	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 指定hibernate的配置文件的位置 -->
		<property name="configLocation" value="classpath:hibernate.cfg.xml" />
	</bean>
	
	<!-- 配置事务管理器 -->
	<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory"/>
	</bean>
	<!-- 配置基于注解的事务支持-->
	<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

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转载自mxl421204733.iteye.com/blog/2281046
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