封装统一响应结果类和消息枚举类

在开发中，响应结果都需要统一格式，下面给出一个例子，可自行修改。

package com.lili.utils;import com.fasterxml.jackson.annotation.JsonInclude;
import com.lili.enums.AppHttpCodeEnum;import java.io.Serializable;/*** @author YLi_Jing* @CreateDate: 2022/5/7*/
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ResponseResult<T> implements Serializable {private Integer code;private String msg;private T data;public ResponseResult() {this.code = AppHttpCodeEnum.SUCCESS.getCode();this.msg = AppHttpCodeEnum.SUCCESS.getMsg();}public ResponseResult(Integer code, T data) {this.code = code;this.data = data;}public ResponseResult(Integer code, String msg, T data) {this.code = code;this.msg = msg;this.data = data;}public ResponseResult(Integer code, String msg) {this.code = code;this.msg = msg;}public static ResponseResult errorResult(int code, String msg) {ResponseResult result = new ResponseResult();return result.error(code, msg);}public static ResponseResult okResult() {ResponseResult result = new ResponseResult();return result;}public static ResponseResult okResult(int code, String msg) {ResponseResult result = new ResponseResult();return result.ok(code, null, msg);}public static ResponseResult okResult(Object data) {ResponseResult result = setAppHttpCodeEnum(AppHttpCodeEnum.SUCCESS, AppHttpCodeEnum.SUCCESS.getMsg());if (data != null) {result.setData(data);}return result;}public static ResponseResult errorResult(AppHttpCodeEnum enums) {return setAppHttpCodeEnum(enums, enums.getMsg());}public static ResponseResult errorResult(AppHttpCodeEnum enums, String msg) {return setAppHttpCodeEnum(enums, msg);}public static ResponseResult setAppHttpCodeEnum(AppHttpCodeEnum enums) {return okResult(enums.getCode(), enums.getMsg());}private static ResponseResult setAppHttpCodeEnum(AppHttpCodeEnum enums, String msg) {return okResult(enums.getCode(), msg);}public ResponseResult<?> error(Integer code, String msg) {this.code = code;this.msg = msg;return this;}public ResponseResult<?> ok(Integer code, T data) {this.code = code;this.data = data;return this;}public ResponseResult<?> ok(Integer code, T data, String msg) {this.code = code;this.data = data;this.msg = msg;return this;}public ResponseResult<?> ok(T data) {this.data = data;return this;}public Integer getCode() {return code;}public void setCode(Integer code) {this.code = code;}public String getMsg() {return msg;}public void setMsg(String msg) {this.msg = msg;}public T getData() {return data;}public void setData(T data) {this.data = data;}
}

package com.lili.enums;/*** @author YLi_Jing*/
public enum AppHttpCodeEnum {/*** 操作成功*/SUCCESS(200,"操作成功"),/*** 登录后可以操作*/NEED_LOGIN(401,"需要登录后操作"),NO_OPERATOR_AUTH(403,"无权限操作"),SYSTEM_ERROR(500,"出现错误"),USERNAME_EXIST(501,"用户名已存在"),PHONE_NUMBER_EXIST(502,"手机号已存在"), EMAIL_EXIST(503, "邮箱已存在"),REQUIRE_USERNAME(504, "必需填写用户名"),CONTENT_NOT_NULL(506, "评论内容不能为空"),FILE_TYPE_ERROR(507, "文件类型错误，请上传png文件"),LOGIN_ERROR(505,"用户名或密码错误");int code;String msg;AppHttpCodeEnum(int code, String errorMessage){this.code = code;this.msg = errorMessage;}public int getCode() {return code;}public String getMsg() {return msg;}
}