import java.util.Scanner;
public class Shoppp{
public static void main(String[] args){
String[] storee=new String[]{"MacBookAir","ThinkpadT50"};
double[] size={13.3,15.6};
double[] price={9998.97,6789.56};
int[] count={0,0};
while(true){
int ch = showT();
switch(ch){
case 1:
showL(storee,size,price,count);//查看
break;
case 2:
showC(count);//修改
break;
case 3:
return;
default:
System.out.println("这不是指令");
break;
}
}
}
//修改
public static void showC(int[] counttt){
System.out.println("输入1修改商品MacBookAir输入2修改商品ThinkpadT50");
Scanner sc = new Scanner(System.in);
while(true){
if(sc.nextInt()==1){
System.out.println("MacBookAir要修改成多少");
Scanner scc = new Scanner(System.in);
counttt[0]=scc.nextInt();
}else{
System.out.println("ThinkpadT50要修改成多少");
Scanner sccc = new Scanner(System.in);
counttt[1]=sccc.nextInt();
}
System.out.println("还要继续修改吗?1继续修改2退出");
Scanner ss = new Scanner(System.in);
if(ss.nextInt()==1){
System.out.println("输入1修改商品MacBookAir输入2修改商品ThinkpadT50");
}else{
return;
}
}
}
//查看
public static void showL(String[] storee,double[] size,double[] price,int[] count){
System.out.println("--------商场库存清单--------");
System.out.println("品牌名称"+" "+"尺寸"+" "+"价格"+" "+"库存数");
int countShop=0;//商品总数
int countPrice=0;//商品总价
//打印数组
for(int i =0;i<storee.length;i++){
System.out.println(storee[i]+" "+size[i]+" "+price[i]+" "+count[i]);
countShop+=count[i];
countPrice+=count[i]*price[i];
}
System.out.println("总库存数:"+countShop);
System.out.println("商品总金额:"+countPrice);
}
//首
public static int showT(){
System.out.println("--------库存管理--------");
System.out.println("1查看库存清单");
System.out.println("2修改商品库存数量");
System.out.println("3退出");
System.out.println("请输入要执行的操作序号:");
Scanner sc = new Scanner(System.in);
return sc.nextInt(); //返回用户输入的序号
}
}