枚舉類enum 構造函數 -- study20180420

public enum EOrderTyper {

    NormalOrder(0, "一般訂單"),
    VDDmoney(50, "虛擬訂單"),
    PDDmoney(51, "禮品卡訂單");
    private int orderType;
    private String description;
    private EOrderTyper(int type, String desc) {
        this.orderType = type;
        this.description = desc;
    }
    public int getOrderType() {   return this.orderType;  }
    public String getDescription() {  return this.description;  }
}
////
System.out.println(EOrderTyper.NormalOrder.getOrderType());     //輸出：   0
System.out.println(EOrderTyper.VDDmoney.getDescription());//輸出： 虛擬訂單