日期:2014-05-16 浏览次数:20367 次
一、所需jar包
commons-logging-1.1.1.jar
commons-collections-3.1.jar
commons-digester-2.0.jar
commons-beanutils-1.7.0.jar
xstream-1.2.2.jar
commons-io-2.0.1.jar
commons-lang-2.5.jar
javassist-3.11.0.GA.jar
ognl-3.0.1.jar
struts2-core-2.2.3.jar
xwork-core-2.2.3.jar
commons-fileupload-1.2.2.jar
freemarker-2.3.16.jar
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struts2-json-plugin-2.2.3.jar
json-lib-2.2.3-jdk15.jar
dom4j-1.6.1.jar
ezmorph-1.0.6.jar
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二、index.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags"%> <script type="text/javascript" src="js/jquery-1.4.2.js" ></script> <script type="text/javascript"> <!-- $(document).ready(function(){ $("#registerButton").click(function(){ var url = "json.action"; var params = {"uid":$("#uid").attr("value")}; $.getJSON(url,params,function callback(data){ var user = eval("("+data+")"); $("#result").each(function(){ $(this).html("welcome ,"+user.uid); }); }); return false; }) }); //--> </script> <html> <head> <title>JSON Page</title> </head> <body> <s:form method="post" id="form"> <table align="center"> <tr> <td> <s:textfield label="USERNAME" name="uid" id="uid"/> </td> <td> <s:div id="result" cssStyle="color:#ff0000;"/> </td> </tr> <tr> <td colspan="2"> <s:submit id="registerButton" value="JSON"/> </td> </tr> </table> </s:form> </body> </html>
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三、struts.xml
<?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> <constant name="struts.enable.DynamicMethodInvocation" value="true"/> <constant name="struts.i18n.encoding" value="UTF-8"/> <package name="json" extends="json-default"> <action name="json" class="com.s2ajax.exer.web.actions.JSONAction" method="jsonTest"> <result type="json"> <param name="root">result</param> </result> </action> </package> </struts>
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四、JSONAction
package com.s2ajax.exer.web.actions; import java.util.HashMap; import java.util.Map; import net.sf.json.JSONObject; import com.opensymphony.xwork2.ActionSupport; public class JSONAction extends ActionSupport{ /** * */ private static final long serialVersionUID = -7645203344502656194L; private String uid ; private String result; public String getUid() { return uid; } public void setUid(String uid) { this.uid = uid; } public String jsonTest(){ Map<Object,Object> map = new HashMap<Object,Object>(); map.put("uid", getUid()); JSONObject jsonObj = JSONObject.fromObject(map); result = jsonObj.toString(); return SUCCESS; } public String getResult() { return result; } public void setResult(String result) { this.result = result; } }?