src/main/java/com/zgn/hospital/utils/R.java

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package com.zgn.hospital.utils;

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

/**

 * @author: ZGN
 * time: 2022/3/24 22:29 周四
 * description: 返回结果通用对象  Map
 * @JsonInclude(JsonInclude.Include.NON_NULL):生成对象时如果没赋值，则不赋值继续生成对象
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
public class R implements Serializable {
    public static final Long serivalVersionUID=1L;

    /**
     * 通用成功状态码
     */
    public static final String SUCCESS_CODE = "001";
    /**
     * 失败状态码
     */
    public static final String FAIL_CODE = "004";
    /**
     * 未登录
     */
    public static final String USER_NO_LOGIN = "401";


    private String code;
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private String msg;
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private Object data;
    @JsonInclude(JsonInclude.Include.NON_NULL)
    private Long   total;


    /**
     * 成功
     * @param msg
     * @param data
     * @return
     */
    public static R ok(String msg,Object data,Long total){

        return new R(SUCCESS_CODE,msg,data,total);
    }

    /**
     * 成功
     * @param data
     * @return