1、响应体封装类

package com.lms.demo.fileservice.util;
import java.io.Serializable;
/**
 * @Author: 李孟帅
 * @CreateTime: 2020-12-24 14:09
 * @Description: 响应结果封装
 */
public class ResponseResult<T> implements Serializable {
    private static final long serialVersionUID = 4359709211352400087L;
    private final Integer status;
    private final String message;
    private final T data;
    public ResponseResult(int status, String message, T data) {
        this.status = status;
        this.message = message;
        this.data = data;
    }
    public static <T> ResponseResult<T> success() {
        return ResponseResult.result(StatusCode.S_200,StatusCode.S_200.message,null);
    }
    public static <T> ResponseResult<T> success(T data) {
        return ResponseResult.result(StatusCode.S_200,StatusCode.S_200.message,data);
    }
    public static <T> ResponseResult<T> success(String message, T data) {
        return ResponseResult.result(StatusCode.S_200,message,data);
    }
    public static <T> ResponseResult<T> error() {
        return ResponseResult.result(StatusCode.S_500,StatusCode.S_500.message,null);
    }
    public static <T> ResponseResult<T> error(T data) {
        return ResponseResult.result(StatusCode.S_500,StatusCode.S_500.message,data);
    }
    public static <T> ResponseResult<T> error(String message, T data) {
        return ResponseResult.result(StatusCode.S_500,message,data);
    }
    public static <T> ResponseResult<T> result(int status, String message) {
        return ResponseResult.result(status,message,null);
    }
    public static <T> ResponseResult<T> result(StatusCode statusCode, String message, T data) {
        return ResponseResult.result(statusCode.code, message, data);
    }
    public static <T> ResponseResult<T> result(int status, String message, T data) {
        return new ResponseResult<>(status, message, data);
    }
    public Integer getStatus() {
        return status;
    }
    public String getMessage() {
        return message;
    }
    public T getData() {
        return data;
    }
    @Override
    public String toString() {
        return "ResponseResult{" +
                "status=" + status +
                ", message='" + message + '\'' +
                ", data=" + data +
                '}';
    }
    public enum StatusCode {
        /**
         * @Author 李孟帅
         * @Date 2020/12/24 14:43
         * @Description 响应状态码
         */
        S_200("OK",200),
        S_201("Created",201),
        S_202("Accepted",202),
        S_204("Not Content",204),
        S_400("Bad Request",400),
        S_401("Unauthorized",401),
        S_403("Forbidden",403),
        S_404("Not Found",404),
        S_408("Request Timeout",408),
        S_409("Conflict",409),
        S_415("Unsupported Media Type",415),
        S_500("Internal Server Error",500),
        S_502("Bad Gateway",502);
        private final String message;
        private final int code;
        private StatusCode(String message,int code){
            this.message=message;
            this.code=code;
        }
        public String getMessage(){
            return message;
        }
        public int getCode() {
            return code;
        }
    }
}