自动售货机程序C++求解答
自动售货机程序
出售若干种价格不一的货物
投币存入余额中，购买商品从余额中扣款，不足则提示继续投币
1.有停止购物选项，出货，根据购物情况找零
2.有继续投币选项
3.记录开机以来的营业额
4.货物存量应有固定数量，售完则提示缺货该商品不进行售卖
5.补货功能，补入货物后商品恢复售卖
6.售货机启动后应保持运行
帮写了一个。有用望采纳
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iostream>
using namespace std;
int main()
{
//售货机只卖三种商品
// 薯片，可乐，面包 单价为 5元，3元，4元 初始数量都为10个
int shupians=10;
int cokes=10;
int breads=10;
int Moneys=0; //记录营业额
cout<<"自动售货机系统启动"<<endl;
while(true)
{
int n=0;
cout<<"1.购买商品"<<endl;
cout<<"2.补货"<<endl;
cout<<"3.查询营业额度"<<endl;
cin>>n;
if(n==1)
{
while(true)
{
cout<<"请输入要购买的商品"<<endl;
cout<<"1.薯片"<<endl;
cout<<"2.可乐"<<endl;
cout<<"3.面包"<<endl;
cout<<"4.退出"<<endl;
int a=0;
int Count=0;
cin>>a;
if(a==1)
{
cout<<"请输入需要购买的数量"<<endl;
cin>>Count;
if(Count>shupians)
{
cout<<"数量超出库存，请重新选择"<<endl;
}
else
{
cout<<"总价为:"<<Count*5<<endl;
cout<<"请投币取货"<<endl;
cout<<"请输入投币金额"<<endl;
int money=0;
cin>>money;
if(money<Count*5)
{
while(true)
{
cout<<"金额不足"<<endl;
cout<<"1.继续投币"<<endl;
cout<<"2.取消购买"<<endl;
int g=0;
cin>>g;
if(g==1)
{
cout<<"输入投币金额"<<endl;
int money2=0;
cin>>money2;
money+=money2;
if(money>=Count*5)
{
Moneys+=Count*5;
cout<<"购买成功"<<endl;
cout<<"找零:"<<money-Count*5<<"元"<<endl;
break;
}
}else if(g==2)
{
cout<<"找零:"<<money<<"元"<<endl;
break;
}
}
}
}
}else if(a==2)
{
cout<<"请输入需要购买的数量"<<endl;
cin>>Count;
if(Count>cokes)
{
cout<<"数量超出库存，请重新选择"<<endl;
}
else
{
cout<<"总价为:"<<Count*3<<endl;
cout<<"请投币取货"<<endl;
cout<<"请输入投币金额"<<endl;
int money=0;
cin>>money;
if(money<Count*5)
{
while(true)
{
cout<<"金额不足"<<endl;
cout<<"1.继续投币"<<endl;
cout<<"2.取消购买"<<endl;
int g=0;
cin>>g;
if(g==1)
{
cout<<"输入投币金额"<<endl;
int money2=0;
cin>>money2;
money+=money2;
if(money>=Count*3)
{
Moneys+=Count*3;
cout<<"购买成功"<<endl;
cout<<"找零:"<<money-Count*5<<"元"<<endl;
break;
}
}else if(g==2)
{
cout<<"找零:"<<money<<"元"<<endl;
break;
}
}
}
}
}else if(a==3)
{
cout<<"请输入需要购买的数量"<<endl;
cin>>Count;
if(Count>breads)
{
cout<<"数量超出库存，请重新选择"<<endl;
}
else
{
cout<<"总价为:"<<Count*5<<endl;
cout<<"请投币取货"<<endl;
cout<<"请输入投币金额"<<endl;
int money=0;
cin>>money;
if(money<Count*4)
{
while(true)
{
cout<<"金额不足"<<endl;
cout<<"1.继续投币"<<endl;
cout<<"2.取消购买"<<endl;
int g=0;
cin>>g;
if(g==1)
{
cout<<"输入投币金额"<<endl;
int money2=0;
cin>>money2;
money+=money2;
if(money>=Count*4)
{
Moneys+=Count*4;
cout<<"购买成功"<<endl;
cout<<"找零:"<<money-Count*5<<"元"<<endl;
break;
}
}else if(g==2)
{
cout<<"找零:"<<money<<"元"<<endl;
break;
}
}
}
}
}
else if(a==4)
{
break;
}
else
{
cout<<"操作有误，重新操作"<<endl;
}
}
}
else if(n==2)
{
while(true)
{
cout<<"请输入要购买的商品"<<endl;
cout<<"1.薯片"<<endl;
cout<<"2.可乐"<<endl;
cout<<"3.面包"<<endl;
cout<<"4.退出"<<endl;
int a=0;
cin>>a;
if(a==1)
{
cout<<"请输入上货数量"<<endl;
int Count=0;
cin>>Count;
shupians+=Count;
cout<<"薯片数量:"<<shupians<<endl;
}else if(a==2)
{
cout<<"请输入上货数量"<<endl;
int Count=0;
cin>>Count;
cokes+=Count;
cout<<"可乐数量:"<<cokes<<endl;
}
else if(a==3)
{
cout<<"请输入上货数量"<<endl;
int Count=0;
cin>>Count;
breads+=Count;
cout<<"面包数量:"<<breads<<endl;
}
else if(a==4)
{
break;
}
else
{
cout<<"操作有误,请重新操作"<<endl;
}
}
}
else if(n==3)
{
cout<<"营业额为:"<<Moneys<<endl;
}
else
{
cout<<"操作有误,请重新选择"<<endl;
}
}
return 0;
}
