此工具类,用于返回json对象=========================================================================================/** * 2017年10月20日下午3:29:05 */package com.jjmc.dcl.util;import java.io.Serializable;/** * * @author huangtao * 2017年10月20日下午3:29:05 * dclTask * @parameter * TODO * */public class RespsonData implements Serializable {private static final long serialVersionUID = -8516663678560534209L;private String res;// 操作状态private String msg;// 返回信息 private Object data; // 返回数据public RespsonData(String res) {this.res = res;}public RespsonData(String res, String msg) {this.res = res;this.msg = msg;}public void result(String res, String msg) {this.res = res;this.msg = msg;}public String getRes() {return res;}public void setRes(String res) {this.res = res;}public String getMsg() {return msg;}public void setMsg(String msg) {this.msg = msg;}public Object getData() { return data; } public void setData(Object data) { this.data = data; }@Override public String toString() { return "RespsonData{" + "res='" + res + '\'' + ", msg='" + msg + '\'' + ", data=" + data + '}'; } }===============================================================================引用方法在需要返回结果的接口类中 private RespsonData rd = new RespsonData("success");// 通用返回JSON对象接口使用@ResponseBody注解,会自动把结果转换成json格式此为测试接口,成功返回的是success,失败返回的是error的json格式private RespsonData rd = new RespsonData("success");@RequestMapping(method={RequestMethod.POST}, value="/XXXXXX")@ResponseBodyprotected Object getXXXXXXX(HttpServletRequest request, HttpServletResponse response) throws Exception{try {} catch (Exception e) {rd.setRes("error");throw e;}return rd;}