统一返回数据格式

1 public interface ResultCode {
2     public static Integer SUCCESS = 20000;
3     public static Integer ERROR = 20001;
4 }

 1 @Data
 2 public class R {
 3     @ApiModelProperty(value = "是否成功")
 4     private Boolean success;
 5     @ApiModelProperty(value = "返回码")
 6     private Integer code;
 7     @ApiModelProperty(value = "返回消息")
 8     private String message;
 9     @ApiModelProperty(value = "返回数据")
10     private Map<String, Object> data = new HashMap<String, Object>();
11 
12     private R(){}
13 
14     public static R ok(){
15         R r = new R();
16         r.setSuccess(true);
17         r.setCode(ResultCode.SUCCESS);
18         r.setMessage("成功");
19         return r;
20     }
21 
22     public static R error(){
23         R r = new R();
24         r.setSuccess(false);
25         r.setCode(ResultCode.ERROR);
26         r.setMessage("失败");
27         return r;
28     }
29 
30     public R success(Boolean success){
31         this.setSuccess(success);
32         return this;
33     }
34 
35     public R message(String message){
36         this.setMessage(message);
37         return this;
38     }
39 
40     public R code(Integer code){
41         this.setCode(code);
42         return this;
43     }
44 
45     public R data(String key, Object value){
46         this.data.put(key, value);
47         return this;
48     }
49 
50     public R data(Map<String, Object> map){
51         this.setData(map);
52         return this;
53     }
54 
55 }