初学java,写的购物平台控制台小程序。ps:只要努力就会有收获。
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package test;
import java.util.Scanner;
public class Shopping {
//实现购物结算功能
public static void main(String []args){
Scanner sc=new Scanner(System.in);
int buyOrNot = 0;//选择买还是取消
do{
System.out.println("====请选择要购买的商品====");
System.out.println("====1.T恤 ====");
System.out.println("====2.手机 ====");
System.out.println("====3.电脑 ====");
System.out.println("请选择输入的编号 :");
int choose1=sc.nextInt();
switch(choose1){
case 1:
System.out.println("====请选择品牌 ====");
System.out.println("====1.阿迪 ====");
System.out.println("====2.耐克 ====");
System.out.println("====3.李宁 ====");
//选择购买的是什么品牌
int choose2=sc.nextInt();
switch(choose2){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的阿迪牌T恤价格为"+Math.round(300*0.95)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的耐克牌T恤价格为"+Math.round(250*0.85)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的李宁牌T恤价格为"+Math.round(125*0.72)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
case 2:
System.out.println("====请选择品牌 ====");
System.out.println("====1.苹果 ====");
System.out.println("====2.小米 ====");
System.out.println("====3.华为 ====");
int choose3=sc.nextInt();
switch(choose3){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的苹果手机价格为"+Math.round(6100*0.87)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的小米手机价格为"+Math.round(899*0.92)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的华为手机价格为"+Math.round(1999*0.92)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
case 3:
System.out.println("====请选择品牌 ====");
System.out.println("====1.惠普 ====");
System.out.println("====2.联想 ====");
System.out.println("====3.华硕 ====");
int choose4=sc.nextInt();
switch(choose4){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的惠普电脑价格为"+Math.round(8900*0.95)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的联想电脑价格为"+Math.round(4998*0.9)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的华硕电脑价格为"+Math.round(300*0.8)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
default:
System.out.println("输入有误,请重新输入。");
}
}while(buyOrNot!=1);
}
}
import java.util.Scanner;
public class Shopping {
//实现购物结算功能
public static void main(String []args){
Scanner sc=new Scanner(System.in);
int buyOrNot = 0;//选择买还是取消
do{
System.out.println("====请选择要购买的商品====");
System.out.println("====1.T恤 ====");
System.out.println("====2.手机 ====");
System.out.println("====3.电脑 ====");
System.out.println("请选择输入的编号 :");
int choose1=sc.nextInt();
switch(choose1){
case 1:
System.out.println("====请选择品牌 ====");
System.out.println("====1.阿迪 ====");
System.out.println("====2.耐克 ====");
System.out.println("====3.李宁 ====");
//选择购买的是什么品牌
int choose2=sc.nextInt();
switch(choose2){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的阿迪牌T恤价格为"+Math.round(300*0.95)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的耐克牌T恤价格为"+Math.round(250*0.85)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的李宁牌T恤价格为"+Math.round(125*0.72)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
case 2:
System.out.println("====请选择品牌 ====");
System.out.println("====1.苹果 ====");
System.out.println("====2.小米 ====");
System.out.println("====3.华为 ====");
int choose3=sc.nextInt();
switch(choose3){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的苹果手机价格为"+Math.round(6100*0.87)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的小米手机价格为"+Math.round(899*0.92)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的华为手机价格为"+Math.round(1999*0.92)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
case 3:
System.out.println("====请选择品牌 ====");
System.out.println("====1.惠普 ====");
System.out.println("====2.联想 ====");
System.out.println("====3.华硕 ====");
int choose4=sc.nextInt();
switch(choose4){
case 1:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的惠普电脑价格为"+Math.round(8900*0.95)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 2:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的联想电脑价格为"+Math.round(4998*0.9)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
case 3:
System.out.println("====请确认价格 ====");
System.out.println("====您购买的华硕电脑价格为"+Math.round(300*0.8)+" ====");
System.out.println("====1.购买 ====");
System.out.println("====0.取消 ====");
buyOrNot=sc.nextInt();
if(buyOrNot==1){
System.out.println("恭喜你购买成功");
System.out.println("拜拜");break;
}else{
System.out.println("请重新选择:");
}
break;
default:
System.out.println("输入错误,请重新输入");
}
break;
default:
System.out.println("输入有误,请重新输入。");
}
}while(buyOrNot!=1);
}
}
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