JavaWeb - Util 之 EnumUtil

package com.imooc.enums;
public interface CodeEnum {
    Integer getCode();
}

package com.imooc.enums;
import lombok.Getter;
@Getter
public enum PayStatusEnum implements CodeEnum {
    WAIT(0, "等待支付"),
    SUCCESS(1, "支付成功"),
    ;
    private Integer code;
    private String message;
    PayStatusEnum(Integer code, String message) {
        this.code = code;
        this.message = message;
    }
}

package com.imooc.utils;
import com.imooc.enums.CodeEnum;
public class EnumUtil {
    public static <T extends CodeEnum> T getByCode(Integer code, Class<T> enumClass) {
        for (T each: enumClass.getEnumConstants()) {
            if (code.equals(each.getCode())) {
                return each;
            }
        }
        return null;
    }
}