//ReceiveAction.java
package com.abin.ajax.action;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.ServletActionContext;
import com.abin.ajax.bean.UserBean;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
public class ReceiveAction extends ActionSupport implements ModelDriven{
private String result;
private UserBean user;
public Object getModel(){
if(null==user){
user=new UserBean();
}
return user;
}
public String receive(){
HttpServletResponse response=ServletActionContext.getResponse();
String username=user.getUsername();
String password=user.getPassword();
String company=user.getCompany();
String work=user.getWork();
String address=user.getAddress();
try {
if(username!=null){
System.out.println("username="+username);
result="1";
response.getWriter().write("1");
response.getWriter().flush();
response.getWriter().close();
return "json";
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public UserBean getUser() {
return user;
}
public void setUser(UserBean user) {
this.user = user;
}
public String getResult() {
return result;
}
public void setResult(String result) {
this.result = result;
}
}
//struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"
<struts>
<package name="userAjax" extends="json-default" namespace="/" >
<action name="receive" method="receive" class="com.abin.ajax.action.ReceiveAction">
<result name="json" type="json"></result>
</action>
</package>
</struts>
//web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi=" <display-name>website</display-name>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<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>
</web-app>
//index.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>清風少年</title>
<link href="css/page/html.css" type="text/css" rel="stylesheet"></link>
</head>
<style type="text/css">
#nav li {
display: inline;
list-style-type: none;
padding: 5px;
}
</style>
<script type="text/javascript" src="js/first/public.js"></script>
<body>
<ul id="nav">
<li><a href=" <li><a href="#">博客</a></li>
<li><a href="#">相冊</a></li>
<li><a href="#">圈子</a></li>
<li><a href="#">設置</a></li>
</ul>
<br/>
<span id="txt" ></span>
<br/>
<div id="practise">
用戶名：<br/>
<input type="text" name="username" id="username"/><br/>
密碼:<br/>
<input type="text" name="password" id="password"/><br/>
<hr/>
公司:
<select id="company" name="company">
<option value="abin">abin</option>
<option value="bing">bing</option>
</select>
<br/>
<hr/>
職業:<br/>
農民:
<input type="checkbox" name="work" id="work" checked value="1"/>
男人:
<input type="checkbox" name="work" id="work"/><br/>
詩人:
<input type="checkbox" name="work" id="work"/>
歌手:
<input type="checkbox" name="work" id="work"/><br/>
<hr/>
家庭住址：<br/>
中國:
<input type="radio" name="address" id="address" checked value="1"/>
涼城:
<input type="radio" name="address" id="address"/><br/>
內蒙古:
<input type="radio" name="address" id="address"/><br/>
<input type="button" value="提交" onclick="SendAndReturn()"/>
</div>
</body>
</html>
//public.js
//創建Ajax請求
function CreateXmlRequest(){
var xmlHttp=false;
if(window.XMLHttpRequest){
xmlHttp=new XMLHttpRequest();
}else if(window.ActiveXObject){
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}catch(e1){
try {
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
xmlHttp=false;
}
}
}
return xmlHttp;
}
function SendAndReturn(){
var username=document.getElementById("username").value;
var password=document.getElementById("password").value;
var company=document.getElementById("company").value;
var work=document.getElementById("work").value;
var address=document.getElementById("address").value;
var request=CreateXmlRequest();
if(!request){
document.getElementById("txt").innerHTML="當前瀏覽器不支持";
}else{
document.getElementById("txt").innerHTML="創建xmlHttp成功";
request.open("post","receive?username="+username+"&password="+password+"&company="+company+"&work="+work+"&address="+address,true);
request.send();
request.onreadystatechange=function(){
if(request.readyState==4){
if(request.status==200){
var data=request.responseText;
alert("data="+data);
if(data=="1"){
alert("username!=null");
}
document.getElementById("txt").innerHTML=request.responseText;
}
}
}
}
}