枚举

package com.example.demo.enums;

public enum ProductSatusEnum {
    UP(0,"在架"),DOWN(1,"下架");

    private Integer code;
    private String message;

    ProductSatusEnum(Integer code, String message) {
        this.code = code;
        this.message = message;
    }
}

 使用：

ProductSatusEnum.UP.getCode()