2019-07-24

package com.forkeon.test;

import java.awt.event.WindowFocusListener;
import java.util.Scanner;

public class save {
public static void main(String[] args) {

    /*
     * Scanner input=new Scanner(System.in); System.out.println("输入消费金额");
     * double money=input.nextDouble(); if(money>=50){
     * System.out.println("参加换购活动");
     * 
     * Scanner input1=new Scanner(System.in); System.out.println(
     * "满50元 加2 元换购百事可乐一瓶"); System.out.println("满100元加3元换购500ml可乐一瓶");
     * System.out.println("满100元加10元换购5 斤面粉");
     * System.out.println("满200元加10元换购1个苏泊尔炒菜锅");
     * System.out.println("满200元加20元换购欧莱雅爽肤水一瓶"); System.out.println("不换购");
     * System.out.println("请选择");
     * 
     * int choice=input1.nextInt(); switch (choice) { case 1: if(money>=50)
     * money=money+2; System.out.println("成功换购：百事可乐一瓶"); break; case 2:
     * if(money>=100) money=money+3; System.out.println("成功换购：500ml可乐一瓶");
     * break; case 3: if(money>=100) money=money+10;
     * System.out.println("成功换购：5斤面粉"); break; case 4: if(money>=200)
     * money=money+10; System.out.println("成功换购：苏泊尔炒菜锅"); break; case 5:
     * if(money>=200) money=money+20; System.out.println("成功换购：欧莱雅爽肤水");
     * default: System.out.println("不换购"); break;
     * 
     * }
     * 
     * }else{ System.out.println("不参加"); }
     * 
     * System.out.println(money);
     */

    Scanner input = new Scanner(System.in);
    System.out.println("输入消费金额");
    double money = input.nextDouble();
    if (money >= 50) {
        System.out.println("1.满50元 加2 元换购百事可乐一瓶");
        System.out.println("2.满100元加3元换购500ml可乐一瓶");
        System.out.println("3.满100元加10元换购5 斤面粉");
        System.out.println("4.满200元加10元换购1个苏泊尔炒菜锅");
        System.out.println("5.满200元加20元换购欧莱雅爽肤水一瓶");
        System.out.println("0.不换购");
        System.out.println("请选择");

        int choice = input.nextInt();
        int extra=0;  // 换购付款
        switch (choice) {
        case 1:
            if (money >= 50)
                extra= 2;
            break;
        case 2:
            if (money >= 100)
                extra=3;
            break;
        case 3:
            if (money >= 100)
                extra=10;               
            break;
        case 4:
            if (money >= 200)
                extra=10;
            break;
        case 5:
            if (money >= 200)
                extra=20;
        default:
            System.out.println("不换购");
            break;
        }
            double total=money+extra;
            System.out.println("消费金额"+total);
            
            if(choice==1){
                System.out.println("");
                
            }else if(choice==2){
                System.out.println("成功换购：百事可乐一瓶");
            }else if(choice==3){
                System.out.println("成功换购：500ml可乐一瓶");
            }else if(choice==4){
                System.out.println("成功换购：5斤面粉");
            }else if(choice==5){
                System.out.println("成功换购：苏泊尔炒菜锅");
            }else if(choice==0){
                System.out.println("成功换购：欧莱雅爽肤水");
            }
        } else {
        System.out.println("error..");
    }
}

}