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Spring applicationContext 详解

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
     xmlns:tx="http://www.springframework.org/schema/tx"
    
xmlns:p="http://www.springframework.org/schema/p" xmlns:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation=" http://www.springframework.org/schema/context  
          http://www.springframework.org/schema/context/spring-context.xsd  
          http://www.springframework.org/schema/beans 
         http://www.springframework.org/schema/beans/spring-beans.xsd  
         http://www.springframework.org/schema/tx 
         http://www.springframework.org/schema/tx/spring-tx.xsd  
         http://www.springframework.org/schema/jdbc  
         http://www.springframework.org/schema/jdbc/spring-jdbc-4.1.xsd  
         http://www.springframework.org/schema/cache  
         http://www.springframework.org/schema/cache/spring-cache-4.1.xsd  
         http://www.springframework.org/schema/aop  
         http://www.springframework.org/schema/aop/spring-aop.xsd  
         http://www.springframework.org/schema/util  
          http://www.springframework.org/schema/util/spring-util.xsd">  


<!-- 自动扫描web包 ,将带有注解的类 纳入spring容器管理 -->
<context:component-scan base-package="com.tiger.web"></context:component-scan>

<!-- 引入jdbc配置文件 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">
      <list>
         <value>classpath*:jdbc.properties</value>
    </list>
    </property>
</bean>
<!-- dataSource 配置 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
    <!-- 基本属性 url、user、password -->
    <property name="url" value="${jdbc.url}" />
    <property name="username" value="${jdbc.username}" />
    <property name="password" value="${jdbc.password}" />
     <!-- 配置初始化大小、最小、最大 -->
    <property name="initialSize" value="1" />
     <property name="minIdle" value="1" />
    <property name="maxActive" value="20" />
     <!-- 配置获取连接等待超时的时间 -->
    <property name="maxWait" value="60000" />
     <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
     <property name="timeBetweenEvictionRunsMillis" value="60000" />
     <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
     <property name="minEvictableIdleTimeMillis" value="300000" />
     <property name="validationQuery" value="SELECT 'x'" />
    <property name="testWhileIdle" value="true" />
     <property name="testOnBorrow" value="false" />
     <property name="testOnReturn" value="false" />
         <!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
     <property name="poolPreparedStatements" value="false" />
     <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
         <!-- 配置监控统计拦截的filters -->
    <property name="filters" value="stat" />
</bean>
     <!-- 对dataSource 数据源进行事务管理 -->
     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" p:dataSource-ref="dataSource" />        <!-- 配置使Spring采用CGLIB代理 -->
  <aop:aspectj-autoproxy proxy-target-class="true" />
    <!-- 启用对事务注解的支持 -->

     <tx:annotation-driven transaction-manager="transactionManager" />
    <!-- mybatis文件配置,扫描所有mapper文件 -->
     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" p:dataSource-ref="dataSource" p:configLocation="classpath:mybatis-config.xml" p:mapperLocations="classpath:com/tiger/dao/*.xml" />
    <!-- spring与mybatis整合配置,扫描所有dao -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" p:basePackage="com.tiger.dao" p:sqlSessionFactoryBeanName="sqlSessionFactory" />
     <!-- Cache配置 -->
     <cache:annotation-driven cache-manager="cacheManager" />
    <bean id="ehCacheManagerFactory" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean" p:configLocation="classpath:ehcache.xml" />
     <bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager" p:cacheManager-ref="ehCacheManagerFactory" />
</beans>