在前后端交互分離的體系下,我們后端一般會將返回給前端的信息數據進行格式的統一,然后返回前端json串;,一下我提供了一個模板,在實際開發中可進行參考
package com.project.util; /** * @Description: 自定義響應數據結構 * 200:表示成功 * 500:表示錯誤,錯誤信息在msg字段中 * 501:bean驗證錯誤,不管多少個錯誤都以map形式返回 * 502:攔截器攔截到用戶token出錯 * 555:異常拋出信息 */ public class JSONResult { // 響應業務狀態 private Integer status; // 響應消息 private String msg; // 響應中的數據 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; } }