Spring整合web項目

package com.cn.dao;

public class UserDao {
public void add(){
System.out.println("dao.........");
}
}

package com.cn.service;

import com.cn.dao.UserDao;

public class UserService {
private UserDao  userDao;

public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}

public void add(){
System.out.println("service.........");
    userDao.add();
}
}

package com.cn.action;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.cn.service.UserService;
import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
   System.out.println("action.........");
ApplicationContext  context=
new ClassPathXmlApplicationContext("bean1.xml");
UserService   userService=(UserService) context.getBean("userService");
userService.add();
return NONE;
}
}

<?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" 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"> 

<bean id="userService"  class="com.cn.service.UserService">
  <property name="userDao" ref="userDao"></property>
  
</bean>
<bean id="userDao"  class="com.cn.dao.UserDao"></bean>
</beans>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">

<struts>
<package name="demo1" extends="struts-default" namespace="/">
  <action name="userAction" class="com.cn.action.UserAction"></action>
</package>

</struts>

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>Spring_day_web</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  <!-- 指定spring配置文件位置 -->
  <context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath:bean1.xml</param-value>
  </context-param>
  <!-- struts攔截器配置 -->
    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
     <!-- 配置監聽器 -->
      <listener>
         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
<!-- struts攔截器過濾路徑 -->
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>