applciation.xml foundation configuration and description

<?xml version="1.0" encoding="UTF-8"?>  <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-3.1.xsd      http://www.springframework.org/schema/cache      http://www.springframework.org/schema/cache/spring-cache-3.1.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.eduoinfo.finances.bank.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>        <!-- 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/eduoinfo/finances/bank/web/dao/*.xml" />        <!-- spring与mybatis整合配置，扫描所有dao -->      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" p:basePackage="com.eduoinfo.finances.bank.web.dao" p:sqlSessionFactoryBeanName="sqlSessionFactory" />        <!-- 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" />        <!-- 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>