一个枚举类

public enum MsgType {
    
    IPCHANGE_MSG(1, "ip地址改变警报"),
    LOCATION_CHANGE_MSG(2,"异地登录警报"),
    KEYWORD_MSG(3, "关键字警报"),
    STATUS_ABNORMAL_MSG(4, "状态异常警报"),
    APPTHRESHOLD_MSG(5, "ip地址改变警报"),
    USERTHRESHOLD_MSG(6, "ip地址改变警报"),
    APPERROE_MSG(7, "ip地址改变警报"),
    USERERROR_MSG(8, "ip地址改变警报");

    private Integer type;
    private String desc;

    private MsgType(Integer type, String desc) {
        this.type = type;
        this.desc = desc;
    }

    public static MsgType getMsgType(Integer code) {
        MsgType status = null;
        switch (code) {
        case 1:
            status = IPCHANGE_MSG;
            break;
        case 2:
            status = LOCATION_CHANGE_MSG;
            break;
        case 3:
            status = KEYWORD_MSG;
            break;
        case 4:
            status = STATUS_ABNORMAL_MSG;
            break;
        case 5:
            status = APPTHRESHOLD_MSG;
            break;
        case 6:
            status = USERTHRESHOLD_MSG;
            break;
        case 7:
            status = APPERROE_MSG;
            break;
        case 8:
            status = USERERROR_MSG;
            break;
        }
        return status;
    }

    public static Map<Integer, String> getChoiceMap() {
        HashMap<Integer, String> map = new HashMap<Integer, String>();
        for (MsgType item : MsgType.values()) {
            map.put(item.getType(), item.getDesc());
        }
        return map;
    }

    public Integer getType() {
        return type;
    }

    public void setType(Integer type) {
        this.type = type;
    }

    public String getDesc() {
        return desc;
    }

    public void setDesc(String desc) {
        this.desc = desc;
    }
}