在前后端交互分离的体系下,我们后端一般会将返回给前端的信息数据进行格式的统一,然后返回前端json串;,一下我提供了一个模板,在实际开发中可进行参考
package com.project.util;/** * @Description: 自定义响应数据结构 * 200:表示成功 * 500:表示错误,错误信息在msg字段中 * 501:bean验证错误,不管多少个错误都以map形式返回 * 502:拦截器拦截到用户token出错 * 555:异常抛出信息 */ public class JSONResult {// 响应业务状态 private Integer status;// 响应消息 private String msg;// 响应中的数据 private Object data;private String ok; // 不使用public static JSONResult build(Integer status, String msg, Object data) { return new JSONResult(status, msg, data); }public static JSONResult ok(Object data) { return new JSONResult(data); }public static JSONResult ok() { return new JSONResult(null); }public static JSONResult errorMsg(String msg) { return new JSONResult(500, msg, null); }public static JSONResult errorMap(Object data) { return new JSONResult(501, "error", data); }public static JSONResult errorTokenMsg(String msg) { return new JSONResult(502, msg, null); }public static JSONResult errorException(String msg) { return new JSONResult(555, msg, null); }public JSONResult() {}public JSONResult(Integer status, String msg, Object data) { this.status = status; this.msg = msg; this.data = data; }public JSONResult(Object data) { this.status = 200; this.msg = "OK"; this.data = data; }public Boolean isOK() { return this.status == 200; }public Integer getStatus() { return status; }public void setStatus(Integer status) { this.status = status; }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; }public String getOk() { return ok; }public void setOk(String ok) { this.ok = ok; }}