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struts2 中使用 json需要的jar包以及配置

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struts2 ajax---jQuery json的需要的jar包以及配置

2009-09-04 10:56

commons-lang-2.4.jar；

json-lib-2.3-jdk13.jar；

jsonplugin-0[1].32.jar；

ezmorph-1.0.2.jar；

commons-beanutils-1.7.0.jar；

commons-collections-3.2.1.jar（这个包要注意版本,我用2.1不行

）

还需要把jquery-1[1].2.6.pack.js；

struts.xml配置：

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

<package name="ajax" extends="json-default">

<action name="testAction" class="model.testAction">

<result type="json">/index.jsp</result>

</action>

</package>

</struts>

testAction.java

package model;

import net.sf.json.JSONObject;

import com.opensymphony.xwork2.ActionSupport;

public class testAction extends ActionSupport {

User user;

String result;

@Override

public String execute() throws Exception {

JSONObject js=JSONObject.fromObject(user) ;

System.out.println(js);

result=js.toString();

return SUCCESS;

}

public User getUser() {

return user;

}

public void setUser(User user) {

this.user = user;

}

public String getResult() {

return result;

}

public void setResult(String result) {

this.result = result;

}

}

package model;

public class User {

String username;

String password;

public String getPassword() {

return password;

}

public void setPassword(String password) {

this.password = password;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this.username = username;

}

}

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>

<%@ taglib prefix="s" uri="/struts-tags"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<base href="<%=basePath%>">

<title>My JSP 'index.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="This is my page">



<script type="text/javascript" src="<%=path %>/js/jquery-1[1].2.6.pack.js">

</script>

<script type="text/javascript">

$(document).ready(function(){

$("button").click(function(){

var params=$("input").serialize();

$.ajax({

url:"testAction.action",

type:"post",

dataType:"json",

data:params,

success:update_page

});

});

});

function update_page(result){

var json=eval(result);

alert(json);

var str="姓名："+json.user.username+"<br>";

str+="密码："+json.user.password+"<br>";

$("#result").html(str);

}

</script>

</head>

<body>

<div id="result">

</div>

<s:form action="testAction" method="post">

<s:textfield label="用户名" name="user.username" />

<s:textfield label="密码" name="user.password" />

<button>

提交

</button>

</s:form>

</body>

</html>

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