enum-枚举当做key-value业务使用

1.枚举当做key-value业务使用

package com.uwillbe.pad.enums;

import java.util.ArrayList;
import java.util.List;

/**
 * @Author: 姿势帝
 * @Description:
 * @Date: Create in 14:36 2019/1/27
 */
public enum GroupEnum {
    /**
     * 分组id与分组名称
     */
    GROUP_1(1, "物化历"),
    GROUP_2(2, "物化地"),
    GROUP_3(3, "物生历"),
    GROUP_4(4, "物政历"),
    GROUP_5(5, "物历地"),
    GROUP_6(6, "物生政"),
    GROUP_7(7, "物生地"),
    GROUP_8(8, "物政地"),
    GROUP_9(9, "物化政"),
    GROUP_10(10, "物化生"),
    GROUP_11(11, "化生历"),
    GROUP_12(12, "化政历"),
    GROUP_13(13, "化生政"),
    GROUP_14(14, "化政地"),
    GROUP_15(15, "化历地"),
    GROUP_16(16, "化生地"),
    GROUP_17(17, "生历地"),
    GROUP_18(18, "生政地"),
    GROUP_19(19, "生政历"),
    GROUP_20(20, "政历地");



    /** 枚举值 */
    private final Integer code;

    /** 枚举描述 */
    private final String message;

    /**
     * 构造方法
     * @param code
     * @param message
     */
    GroupEnum(Integer code, String message) {
        this.code = code;
        this.message = message;
    }

    public Integer getCode() {
        return code;
    }

    public String getMessage() {
        return message;
    }

    /**
     * 通过code获取msg
     *
     * @param code 枚举值
     *
     * @return
     */
    public static String getMsgByCode(Integer code) {
        if (code == null) {
            return null;
        }
        GroupEnum enumList = getByCode(code);
        if (enumList == null) {
            return null;
        }
        return enumList.getMessage();
    }

    /**
     * 通过枚举<code>code</code>获得枚举
     *
     * values() 方法将枚举转变为数组
     *
     * @return AuthGradeEnum
     */
    public static GroupEnum getByCode(Integer code) {
        for (GroupEnum enumList : values()) {
            if (enumList.getCode().equals(code)) {
                return enumList;
            }
        }
        return null;
    }

    /**
     * 获取全部枚举
     *
     * @return List<AuthGradeEnum>
     */
    public static List<GroupEnum> getAllEnum() {
        List<GroupEnum> list = new ArrayList<>(values().length);
        for (GroupEnum enumList : values()) {
            list.add(enumList);
        }
        return list;
    }

    /**
     * 获取全部枚举值
     *
     * @return List<String>
     */
    public static List<Integer> getAllEnumCode() {
        List<Integer> list = new ArrayList<>(values().length);
        for (GroupEnum enumList : values()) {
            list.add(enumList.getCode());
        }
        return list;
    }


}