Java-封装结果集示例

 1 @Data
 2 public class ResultData implements Serializable {
 3 
 4   /**
 5    * 状态码
 6    */
 7   private String code;
 8 
 9   /**
10    * 提示信息
11    */
12   private String msg;
13 
14   /**
15    * 返回数据
16    */
17   private Object data;
18 
19   /**
20    * 接口调用的结果 true是成功。false是失败。
21    */
22   private Boolean flag;
23 
24   /**
25    * 结果记录数
26    */
27   private Integer count;
28 
29   public ResultData() {
30   }
31 
32   public ResultData(String code, String msg, Object data, Integer count, Boolean flag) {
33     super();
34     this.code = code;
35     this.msg = msg;
36     this.data = data;
37     this.count = count;
38     this.flag = flag;
39   }
40 
41   /**
42    * 对返回值的封装
43    */
44 
45   public static ResultData success() {
46     return new ResultData(Constants.CODE_SUCCESS, Constants.MSG_SUCCESS, null, 0, true);
47   }
48 
49   public static ResultData success(String msg) {
50     return new ResultData(Constants.CODE_SUCCESS, msg, null, 0, true);
51   }
52 
53   public static ResultData success(String msg, Object data) {
54     return new ResultData(Constants.CODE_SUCCESS, msg, data, 0, true);
55   }
56 
57   public static ResultData success(String msg, Object data, Integer count) {
58     return new ResultData(Constants.CODE_SUCCESS, msg, data, count, true);
59   }
60 
61   public static ResultData success(String code, String msg, Object data, Integer count) {
62     return new ResultData(code, msg, data, count, true);
63   }
64 
65   public static ResultData fail() {
66     return new ResultData(Constants.CODE_FAIL, Constants.MSG_FAIL, null, 0, false);
67   }
68 
69   public static ResultData fail(String msg) {
70     return new ResultData(Constants.CODE_FAIL, msg, null, 0, false);
71   }
72 
73   public static ResultData fail(String msg, Object data) {
74     return new ResultData(Constants.CODE_FAIL, msg, data, 0, false);
75   }
76 
77   public static ResultData fail(String code, String msg, Object data) {
78     return new ResultData(code, msg, data, 0, false);
79   }
80 
81 }