Struts+Spring+Ajax整合方法学习...
Spring2.5Struts1.3
JQuery1.3.2
1. 业务层服务
package com.chencytttl.service;/** * 用户管理接口. * User: 陈瑞军 * Date: 2009-8-12 * Time: 17:50:41 */public interface UserManage { /** * 判断用户是否存在。 * @param userName 用户名 * @return 用户是否存在 */ public abstract boolean userExists(String userName);}
import com.chencytttl.service.UserManage;import java.util.List;import java.util.ArrayList;import org.springframework.stereotype.Service;import javax.annotation.PostConstruct;/** * 用户管理服务. * User: 陈瑞军 * Date: 2009-8-12 * Time: 17:50:59 */@Service("userMessageBean")public class UserMessageBean implements UserManage { /* 用来存放用户名 */ private List<String> userNames = new ArrayList<String>(); @PostConstruct public void initUserList() { userNames.add("chencytttl"); userNames.add("zhangsan"); } public boolean userExists(String userName) { if (userNames.contains(userName)) { return true; } return false; }}
2. Action类
package com.chencytttl.servlet;import com.chencytttl.service.UserManage;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.PrintWriter;import javax.annotation.Resource;import org.springframework.stereotype.Controller;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;import org.apache.struts.action.ActionForm;/** * 校验用户是否存在Struts Action. * User: 陈瑞军 * Date: 2009-8-12 * Time: 17:57:37 */@Controller("/validUserExists")public class ValidUserExistsAction extends Action { @Resource(name = "userMessageBean") private UserManage userManage; @Override public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception { ValidFrom vf = (ValidFrom) actionForm; boolean isExists = userManage.userExists(vf.getUserName()); PrintWriter out = httpServletResponse.getWriter(); if (!isExists) { out.append("User not Exists!"); } else { out.println("Hello" + vf.getUserName()); } return null; }}
3.Spring配置文件，Struts配置文件以及Web.xml文件，以及Spring和Struts整合的关键
Spring配置文件(applicationContext.xml)
<?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"> <context:component-scan base-package="com.chencytttl"></context:component-scan></beans>
Struts配置文件(struts-config.xml)
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" "http://struts.apache.org/dtds/struts-config_1_3.dtd"><struts-config> <form-beans> <form-bean name="validForm" type="com.chencytttl.servlet.ValidFrom"></form-bean> </form-beans> <global-exceptions></global-exceptions> <global-forwards></global-forwards> <action-mappings> <action path="/validUserExists" name="validForm" scope="request" type="org.springframework.web.struts.DelegatingActionProxy" validate="true" input="/index.jsp"> </action> </action-mappings></struts-config>
其中，红色部分是Spring和Struts整合的关键（当然只是整合的一种方式）
web配置文件(web.xml)
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5"> <!-- 加载spring的BeanFactory --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 加载Struts的调度核心 --> <servlet> <servlet-name>action</servlet-name> <servlet-class>org.apache.struts.action.ActionServlet</servlet-class> <init-param> <param-name>config</param-name> <param-value>/WEB-INF/struts-config.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>action</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping></web-app>
4.Jsp页面(index.jsp)
<%@ page contentType="text/html;charset=UTF-8" language="java" %><html><head> <title>Ajax学习</title> <script type="text/javascript" src="jquery-1.3.2.js"></script> <script type="text/javascript" src="ajaxstudy.js"></script></head><body> <h4>请输入你的姓名:</h4> <input type="text" id="userNameText" /><span id="result"></span><br/> <input type="button" value="提交" ></body></html>
5. JS脚本(ajaxstudy.js)
function valid() { $.ajax({ url:'validUserExists.do', type:'get', data:'userName=' + $("#userNameText").val(), error: function() { alert("error"); }, success: function(data) { $("#result").text(data).css("color", "blue"); } });}
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