Java 枚举类型设置数据字典

package org.seckill.enums;

/**
 * 使用枚举表示常量数据字典
 * Created by 18401 on 2017/11/25.
 */
public enum SeckillStateEnum {
    SUCCESS(1, "秒杀成功"),
    END(0, "秒杀结束"),
    REPEAT_KILL(-1,"重复秒杀"),
    INNER_ERROR(-2,"系统异常"),
    DATA_REWRITE(-3,"数据篡改")
    ;

    private int state;
    private String stateInfo;

    SeckillStateEnum(int state, String stateInfo) {
        this.state = state;
        this.stateInfo = stateInfo;
    }

    public int getState() {
        return state;
    }

    public String getStateInfo() {
        return stateInfo;
    }

    public static SeckillStateEnum stateOf(int index){
        for(SeckillStateEnum state : values()){
            if(state.getState() == index){
                return state;
            }
        }
        return null;
    }
}

　　

　　public static SeckillStateEnum stateOf(int index){
        for(SeckillStateEnum state : values()){
            if(state.getState() == index){
                return state;
            }
        }
        return null;
    }
 static<T extens Enum<T>> valueOf(class<T> enumType,String name) 根据名字返回enum实例
   传入index,获取SeckillStateEnum的实例