JAVA 枚举类型使用(结合案例)

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1.定义枚举类

package main.enums;/** * Created by wwm on 2016/7/29. */public enum KjtOrderStatus {    SYSTEM_CANCEL("-4","系统作废"),    CANCEL("-1","作废"),    FOR_CHECK("0","待审核"),    FOR_OUTBOUND("1","待出库"),    HAVE_OUTBOUND_TO_DECLARE("4","已出库待申报"),    HAVE_DECLARE_TO_CLEARANCE("41","已申报待通关"),    HAVE_CLEARANCE_TO_CUSTOMER("45"," 已通关发往顾客"),    ORDER_FINISHED("5","订单完成"),    DECLARE_INVALID_FAILURE_ORDER("6","申报失败订单作废"),    CLEARANCE_FAILED_ORDER_INVALID("65","通关失败订单作废"),    ORDER_REJECTED("7","订单拒收");    private String code;    private String desc;    private KjtOrderStatus(String code, String desc){        this.code=code;        this.desc=desc;    }    public String getCode() {        return code;    }    public String getDesc() {        return desc;    }    public static KjtOrderStatus valueOfCode(String code){        for(KjtOrderStatus value:KjtOrderStatus.values()){            if(value.getCode().equals(code)){                return value;            }        }        throw new RuntimeException("无匹配的OrderStatus");    }}

2.使用枚举类

package main.enums;/** * Created by wwm on 2016/8/3. */public class EnumsTest {    public static void main(String[] args) {            KjtOrderStatus orderStatus = KjtOrderStatus.CANCEL;            switch (orderStatus){                case CANCEL:                    System.out.println("测试--"+orderStatus.getDesc());                    break;                    default:                        System.out.println("测试---"+orderStatus.getDesc());            }    }}

3.运行结果

枚举类可以在判断的时候使代码更加优雅，好看

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