56 lines
2.4 KiB
Java
56 lines
2.4 KiB
Java
package chapter2;
|
||
|
||
import java.util.Scanner;
|
||
|
||
public class SuperMarket {
|
||
/*
|
||
* 模拟商城购物小系统：
|
||
* 1.用户选择商品后，后台计算商品价格；
|
||
* 2.使用while循环实现用户多次购买商品。
|
||
*/
|
||
public static void main(String[] args) {
|
||
double cup = 18.8; //水杯价格
|
||
double apple = 12.5; //苹果价格
|
||
double banana = 15.5; //香蕉价格
|
||
int i = 0; // 用户购买的商品序列
|
||
|
||
String continueShopping = "Y"; // 是否继续购物
|
||
System.out.println("==============天津现代小卖部================");
|
||
System.out.println("1.水杯的价格为：" + cup + "元");
|
||
System.out.println("2.苹果的价格为：" + apple + "元");
|
||
System.out.println("3.香蕉的价格为：" + banana + "元");
|
||
|
||
while (continueShopping.equals("Y")) {
|
||
Scanner sc1 = new Scanner(System.in);
|
||
System.out.println("请输入你需要购买商品的序列号：");
|
||
i = sc1.nextInt();
|
||
|
||
switch (i) {
|
||
case 1:
|
||
System.out.println("请输入你需要购买水杯的数量:");
|
||
int cupnumber = sc1.nextInt();
|
||
double cupnum = cupnumber * cup;
|
||
System.out.println("你购买了水杯" + cupnumber + "个，需要花费" + cupnum + "元");
|
||
break;
|
||
case 2:
|
||
System.out.println("请输入你需要购买苹果的数量:");
|
||
int applenumber = sc1.nextInt();
|
||
double applenum = applenumber * apple;
|
||
System.out.println("你购买了苹果" + applenumber + "斤，需要花费" + applenum + "元");
|
||
break;
|
||
case 3:
|
||
System.out.println("请输入你需要购买香蕉的数量:");
|
||
int banananumber = sc1.nextInt();
|
||
double banananum = banananumber * banana;
|
||
System.out.println("你购买了香蕉" + banananumber + "斤，需要花费" + banananum + "元");
|
||
break;
|
||
}
|
||
|
||
System.out.println("需要继续购买请输入Y，否则输入N");
|
||
continueShopping = sc1.next();
|
||
}
|
||
|
||
System.out.println("期待您的下次光临！");
|
||
}
|
||
}
|