枚舉根據key獲取value

原文鏈接：https://blog.csdn.net/woshimeihuo/article/details/87917857

/**
 *配送方式 (1跑腿2門店自送3自提 )
 * @author bright
 * @date 2019/2/25
 */
public enum  OrdersPostageEnum {

    RunLeg(1,"跑腿"),
    StoreSelfDelivery(2,"門店自送"),
    SelfLifting(3,"自提");

    private final Integer key;

    private final String val;

    public Integer key(){
        return this.key;
    }

    public String val(){
        return this.val;
    }

    OrdersPostageEnum(final Integer key,final String val){
        this.key = key;
        this.val = val;
    }

    public static String getVal(Integer value) {
        OrdersPostageEnum[] enums = values();
        for (OrdersPostageEnum businessModeEnum : enums) {
            if (businessModeEnum.key().equals(value)) {
                return businessModeEnum.val();
            }
        }
        return null;
    }
}

參考資料
https://blog.csdn.net/woshimeihuo/article/details/87917857