enum-枚举当做key-value业务使用

  1 package com.uwillbe.pad.enums;
  2 
  3 import java.util.ArrayList;
  4 import java.util.List;
  5 
  6 /**
  7  * @Author: 姿势帝
  8  * @Description:
  9  * @Date: Create in 14:36 2019/1/27
 10  */
 11 public enum GroupEnum {
 12     /**
 13      * 分组id与分组名称
 14      */
 15     GROUP_1(1, "物化历"),
 16     GROUP_2(2, "物化地"),
 17     GROUP_3(3, "物生历"),
 18     GROUP_4(4, "物政历"),
 19     GROUP_5(5, "物历地"),
 20     GROUP_6(6, "物生政"),
 21     GROUP_7(7, "物生地"),
 22     GROUP_8(8, "物政地"),
 23     GROUP_9(9, "物化政"),
 24     GROUP_10(10, "物化生"),
 25     GROUP_11(11, "化生历"),
 26     GROUP_12(12, "化政历"),
 27     GROUP_13(13, "化生政"),
 28     GROUP_14(14, "化政地"),
 29     GROUP_15(15, "化历地"),
 30     GROUP_16(16, "化生地"),
 31     GROUP_17(17, "生历地"),
 32     GROUP_18(18, "生政地"),
 33     GROUP_19(19, "生政历"),
 34     GROUP_20(20, "政历地");
 35 
 36 
 37 
 38     /** 枚举值 */
 39     private final Integer code;
 40 
 41     /** 枚举描述 */
 42     private final String message;
 43 
 44     /**
 45      * 构造方法
 46      * @param code
 47      * @param message
 48      */
 49     GroupEnum(Integer code, String message) {
 50         this.code = code;
 51         this.message = message;
 52     }
 53 
 54     public Integer getCode() {
 55         return code;
 56     }
 57 
 58     public String getMessage() {
 59         return message;
 60     }
 61 
 62     /**
 63      * 通过code获取msg
 64      *
 65      * @param code 枚举值
 66      *
 67      * @return
 68      */
 69     public static String getMsgByCode(Integer code) {
 70         if (code == null) {
 71             return null;
 72         }
 73         GroupEnum enumList = getByCode(code);
 74         if (enumList == null) {
 75             return null;
 76         }
 77         return enumList.getMessage();
 78     }
 79 
 80     /**
 81      * 通过枚举<code>code</code>获得枚举
 82      *
 83      * values() 方法将枚举转变为数组
 84      *
 85      * @return AuthGradeEnum
 86      */
 87     public static GroupEnum getByCode(Integer code) {
 88         for (GroupEnum enumList : values()) {
 89             if (enumList.getCode().equals(code)) {
 90                 return enumList;
 91             }
 92         }
 93         return null;
 94     }
 95 
 96     /**
 97      * 获取全部枚举
 98      *
 99      * @return List<AuthGradeEnum>
100      */
101     public static List<GroupEnum> getAllEnum() {
102         List<GroupEnum> list = new ArrayList<>(values().length);
103         for (GroupEnum enumList : values()) {
104             list.add(enumList);
105         }
106         return list;
107     }
108 
109     /**
110      * 获取全部枚举值
111      *
112      * @return List<String>
113      */
114     public static List<Integer> getAllEnumCode() {
115         List<Integer> list = new ArrayList<>(values().length);
116         for (GroupEnum enumList : values()) {
117             list.add(enumList.getCode());
118         }
119         return list;
120     }
121 
122 
123 }