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struts2返回json数据类型

2024-07-07 11:25:01   229人阅读

项目需要jar包

项目结构

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" 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/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
	<display-name></display-name>
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>

	<!-- 定义Struts2的FilterDispathcer的Filter -->
	<filter>
		<filter-name>struts2</filter-name>
		<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
	</filter>
	<!-- FilterDispatcher用来初始化Struts2并且处理所有的WEB请求。 -->
	<filter-mapping>
		<filter-name>struts2</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

</web-app>

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>
	<!-- 配置了系列常量 -->
	<constant name="struts.i18n.encoding" value=http://www.mamicode.com/"UTF-8" />>
testJson.jsp
<%@ page language="java" pageEncoding="UTF-8"%>

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

<title>test json</title>

<script type="text/javascript" src=http://www.mamicode.com/"scripts/jquery-1.8.js"></script>>
UserAction.java
package com.wzs.action;

import java.util.HashMap;
import java.util.Map;

import net.sf.json.JSONObject;

import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {

	private String name;
	private String age;
	private String address;

	private String result;

	@Override
	public String execute() throws Exception {
		Map<String, String> map = new HashMap<String, String>();
		map.put("name", getName());
		map.put("age", getAge());
		map.put("address", getAddress());

		JSONObject jsonObject = JSONObject.fromObject(map);// 将map对象转换成json类型数据
		result = jsonObject.toString();// 给result赋值，传递给页面
		return SUCCESS;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAge() {
		return age;
	}

	public void setAge(String age) {
		this.age = age;
	}

	public String getAddress() {
		return address;
	}

	public void setAddress(String address) {
		this.address = address;
	}

	public String getResult() {
		return result;
	}

	public void setResult(String result) {
		this.result = result;
	}

}


 项目源码下载：http://download.csdn.net/detail/adam_zs/7452839


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