STS中applicationContext.xml配置文件

 <?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:p="http://www.springframework.org/schema/p"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop"
     xmlns:tx="http://www.springframework.org/schema/tx"
     xmlns:mvc="http://www.springframework.org/schema/mvc"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
 http://www.springframework.org/schema/beans/spring-beans-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/aop
 http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
  http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
     http://www.springframework.org/schema/mvc
     http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd ">
     <context:component-scan
         base-package="cn.yzq.service,cn.yzq.dao,cn.yzq.utils"></context:component-scan>
 <context:property-placeholder location="classpath:db.properties"/>
     <!-- 配置数据库连接池阿里巴巴的德鲁伊 -->
     <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
         <property name="username" value="${db.name}"></property>
         <property name="password" value="${db.password}"></property>
         <property name="url" value="${db.url}"></property>
         <property name="driverClassName" value="${db.driverClassName}"></property>
     </bean>
 </beans>