strut2Json登录实例

package com.lee.action.json; import java.util.HashMap; import java.util.Map; import net.sf.json.JSONObject; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport { private String username; private String password; private String result; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getResult() { return result; } public void setResult(String result) { this.result=result; } public String login() throws Exception { // 用一个Map做例子 Map<String, String> map = new HashMap<String, String>(); if(username.equals("admin") && password.equals("admin")){ map.put("name", "success"); } else{ map.put("name", "error"); } // 将要返回的map对象进行json处理 JSONObject jo = JSONObject.fromObject(map); // 调用json对象的toString方法转换为字符串然后赋值给result this.result = jo.toString(); System.out.println(result); return SUCCESS; } }