Spring的数据源配置

<?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:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:util="http://www.springframework.org/schema/util"

     xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
         http://www.springframework.org/schema/mvc
         http://www.springframework.org/schema/mvc/spring-mvc.xsd
         http://www.springframework.org/schema/util
         http://www.springframework.org/schema/util/spring-util.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd">    

          <context:component-scan base-package="chinaedu"></context:component-scan>
          <mvc:annotation-driven></mvc:annotation-driven>

          <util:properties id="jdbc" location="classpath:jdbc.properties"></util:properties>
          <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
              <property name="url" value="#{jdbc.url}"></property>
              <property name="driverClassName" value="#{jdbc.driver}"></property>
              <property name="username" value="#{jdbc.userName}"></property>
              <property name="password" value="#{jdbc.password}"></property>

          </bean>

         <!-- 处理异常  -->
         <bean  class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
             <property name="exceptionMappings">
                 <props>
                     <prop key="java.lang.Exception">error.jsp</prop>
                 </props>
             </property>
         </bean>

        </beans>