如何在首次购买和其他购买后显示总价 [英] How do I display the total price after the first purchase and the other puchases
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问题描述
我想显示首次购买的总价格，但同时当我想购买另一件商品时，总价格仍会显示在屏幕上。在我购买了我想要的所有物品之后，我想把它总计得到我购买的最终成本。我真的需要你们的帮助。谢谢!!
我的尝试：
i want to display the total price for the first purchase but at the same time that total price still display on the screen when i want to purchase another item. after i done purchasing all the items i want, i want to total it up to get the final cost of my purchasing. i really need some help from you guys . thank you!!
What I have tried:
#include <iostream>
#include <stdlib.h>
#include <string>
using namespace std;
int main()
{
void totalPrice1( int , int& , int&);
void totalPrice2( int , int& , int& );
void totalPrice3( int , int& , int& );
void totalPrice4( int , int& , int& );
void name();
void menu();
void read( int&);
void totalPrice5( int , int& );
void totalPrice6( int , int& );
void totalPrice7( int , int& );
void totalPrice8( int , int& );
void totalPrice9( int , int& );
void totalPrice10( int , int& );
void totalPrice11( int , int& );
void totalPrice12( int , int& );
void totalPrice13(int , int& );
void totalPrice14(int , int& );
void totalPrice15(int , int& );
void totalPrice16(int , int& );
void receipt ( int& , int , int , int , int& , double& , double&);
char code , numm2 , more;
int quantity , quantity3 , option ;
int optionForpet , num1 , quantity2 , quantity1 , totalPrice , totalQuantity , totalPrice111 = 0, totalPrice222 =0 , totalPrice333 =0 ;
int accessories , more2 , more3 , foodMilk;
double totalPricewithTax ;
double totalPricewithFee;
totalPrice = totalPrice111 + totalPrice222 + totalPrice333 ;
totalQuantity =+ totalQuantity;
totalPricewithTax = totalPrice * 0.06;
totalPricewithFee = totalPrice + totalPricewithTax;
int temp = 0;
do
{
menu();
name();
read( option);
system("cls");
switch(option)
{
case 1 :
cout << " SPECIAL PETS FROM A VERY HIGH QUALITY BREEDER !\n\n";
cout << " ********************************************************\n ";
cout << " We Give You The Best Quality of Pets\n";
cout << " 1. Persian Kitten ( Female )\t\t" << " RM 2000\n";
cout << " 2. Persian Kitten ( Male )\t\t" << " RM 1500\n" ;
cout << " 3. Munchkin Kitten ( Female )\t\t" << " RM 2500\n";
cout << " 4. British Shorthair Kitten ( Female )\t" << " RM 3000\n";
cout << " 5. Return\n";
cin >> optionForpet;
cout << " How many pet would you like to buy (maximum purchase = 3) : ";
cin >> quantity;
if ( quantity <=3 && quantity >=1)
{
switch (optionForpet)
{
case 1 : totalPrice1( quantity , totalPrice111 , temp);
system("pause");
break;
case 2 : totalPrice2( quantity , totalPrice111 , temp);
system("pause");
break;
case 3 : totalPrice3( quantity , totalPrice111 , temp);
system("pause");
break;
case 4 : totalPrice4( quantity , totalPrice111 , temp);
system("pause");
break;
case 5 : main();
system("pause");
break;
default : cout << " Invalid input " << endl;
}
system("cls");
}
else
{
cout << " Invalid. Try again! " << endl;
cin >> quantity;
return 0;
}
cout << " Do you want to purchase more ? (Y/y) = ";
cin >> more;
system("cls");
if( more == 'Y' || more == 'y' )
do
{
main();
cout << " total purchase for now = " << temp ;
} while (option =! 5);
else if ( more == 'N'|| more == 'n')
{
receipt( totalPrice , totalPrice111 , totalPrice222 , totalPrice333 , quantity , totalPricewithTax , totalPricewithFee );
return 0;
}
else
{
cout << " Thank You ! \n";
return 0;
}
case 2 : cout << " ACCESSORIES\n";
cout << " 1. Collars\t\t" << " (121) RM 30 (big)\t\t" << " (122) RM 25 (small)\n" ;
cout << " 2. Leashes\t\t" << " (123) RM 50 (300CM)\t\t" << " (124) RM 40 (200CM)\n";
cout << " 3. Bowls\t\t" << " (125) RM 25 (big)\t\t" << " (126) RM 20 (small)\n" ;
cout << " 4. Toys\t\t " << " (127) RM 20 (Plush)\t\t" << " (128) RM 30 (Rope)\n";
cout << " Enter the code to purchase = ";
cin >> accessories;
cout << " How many accessories would you like to purchase ? ( maximum purchases : 10 ) = \n";
cin >> quantity;
if( quantity <= 10 && quantity >= 1)
{
switch(accessories);
{
case 121 : totalPrice5 ( quantity , totalPrice222 );
system("pause");
break;
case 122 : totalPrice6 ( quantity , totalPrice222 );
system("pause");
break;
case 123 : totalPrice7 ( quantity , totalPrice222 );
system("pause");
break;
case 124 : totalPrice8 ( quantity , totalPrice222 );
system("pause");
break;
case 125 : totalPrice9 ( quantity , totalPrice222 );
system("pause");
break;
case 126 : totalPrice10 ( quantity , totalPrice222 );
system("pause");
break;
case 127 : totalPrice11 ( quantity , totalPrice222 );
system("pause");
break;
case 128 : totalPrice12 ( quantity , totalPrice222 );
system("pause");
break;
default : cout << " Invalid code ! ";
break;
}
}
else
{
cout << " Invalid input . Try again !\n";
cin >> accessories;
return 0;
}
cout << " Do you want to purchase more items ? (Y/y) =";
cin >> more2;
system("cls");
if ( more2 == 'Y' || more2 == 'y')
{
main();
}
else if ( more2 == 'N'|| more2 == 'n')
{
receipt(totalPrice , totalPrice111 , totalPrice222 , totalPrice333 , quantity , totalPricewithTax , totalPricewithFee);
return 0;
}
else
{
cout << " Thank You !\n";
return 0;
}
case 3 : cout << " FOOD AND MILK ( AVAILABLE FOR CATS AND DOGS ONLY )\n";
cout << " __________________________________________________________________________________\n";
cout << " 1. Foods for Cats\t\t " << " (131) RM 50 (adult)\t\t " << " (132) RM 30 (kitten)\n";
cout << " 2. Foods for Dogs\t\t " << " (133) RM 55 (adult)\t\t" << " (134) RM 35 (puppy)\n";
cout << " Enter code = ";
cin >> foodMilk;
cout << " Quantity = " << endl;
cin >> quantity;
cout << " The total price is RM " <<endl;
system("cls");
switch (foodMilk)
{
case 131 : totalPrice13 ( quantity , totalPrice333 );
system("pause");
break;
case 132 : totalPrice14 ( quantity , totalPrice333 );
system("pause");
break;
case 133 : totalPrice15 ( quantity , totalPrice333 );
system("pause");
break;
case 134 : totalPrice16 ( quantity , totalPrice333 );
system("pause");
break;
}
cout << " Do you want purchase more ? (Y/y) ";
cin >> more3;
system("cls");
if ( more3 == 'Y' || more3 == 'y')
main();
else if ( more3 == 'N'|| more3 == 'n')
{
receipt(totalPrice , totalPrice111 , totalPrice222 , totalPrice333 , quantity , totalPricewithTax , totalPricewithFee);
return 0;
}
else
{
cout << " Thank You !\n";
return 0;
}
case 5 : cout << " Please visit our store again in the future ! \n ";
return 0;
break;
}
system("cls");
}
while (option!= 5);
return 0;
}
void menu()
{
cout << " WELCOME TO YO PETSHOP !\n" ;
cout << "__________________________________________________\n\n";
cout << " Shop Our Products !\n";
cout << " 1. Pets \n";
cout << " 2. Accesories for pets \n" ;
cout << " 3. Foods and Milk ( specially for cats and dogs only )\n" ;
cout << " 5. Cancel\n" ;
}
void read( int& option )
{
cout << " Select one option \n";
cin >> option ;
}
void name()
{
string name;
cout << " Name of the buyer : " ;
getline(cin , name) ;
cout << " Hello , " << name << endl;
}
void totalPrice1 ( int quantity , int& totalPrice111 , int& temp)
{
totalPrice111 = 2000 * quantity;
temp = totalPrice111;
cout << " The total price is = " << totalPrice111 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice2 ( int quantity , int& totalPrice111 , int& temp )
{
totalPrice111 = 1500 * quantity;
temp = totalPrice111;
cout << " The total price is = " << totalPrice111 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice3 ( int quantity , int& totalPrice111 , int& temp )
{
totalPrice111 = 2500 * quantity;
temp = totalPrice111;
cout << " The total price is = " << totalPrice111 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice4 ( int quantity , int& totalPrice111 , int& temp)
{
totalPrice111 = 3000 * quantity;
temp = totalPrice111;
cout << " The total price is = " << totalPrice111 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice5 ( int quantity , int& totalPrice222 )
{
totalPrice222 = 30 * quantity ;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice6 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 25;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice7 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 50;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice8 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 40;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice9 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 25;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice10 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 20;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice11 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 20;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice12 ( int quantity , int& totalPrice222 )
{
totalPrice222 = quantity * 30;
cout << " The total price is = " << totalPrice222 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice13 ( int quantity , int& totalPrice333 )
{
totalPrice333 = quantity * 50;
cout << " The total price is = " << totalPrice333 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice14 ( int quantity , int& totalPrice333 )
{
totalPrice333 = quantity * 30;
cout << " The total price is = " << totalPrice333 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice15 ( int quantity , int& totalPrice333 )
{
totalPrice333 = quantity * 55;
cout << " The total price is = " << totalPrice333 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void totalPrice16 ( int quantity , int& totalPrice333 )
{
totalPrice333 = quantity * 35;
cout << " The total price is = " << totalPrice333 << endl;
cout << " The total quantity is = " << quantity << endl;
}
void receipt( int& totalPrice , int totalPrice111 , int totalPrice222 , int totalPrice333 , int& quantity , double& totalPricewithTax , double& totalPricewithFee)
{
string name;
totalPrice = totalPrice111 + totalPrice222 + totalPrice333 ;
totalPricewithTax = totalPrice * 0.06;
totalPricewithFee = totalPrice + totalPricewithTax;
cout << " YO PETSHOP \n" ;
cout << "___________________________________\n";
cout << " Buyer's name = " << name << endl;
cout << " Total Purchase = " << totalPrice << endl;
cout << " Total Quantity = " << quantity << endl;
cout << " Tax = " << totalPricewithTax << endl;
cout << " Fee = " << totalPricewithFee << endl << endl;
cout << " THANK YOU FOR YOUR PURCHASE ! ";
}推荐答案
I think your code is a mess.
I have written an incomplete but hopefully tidier version of the program (I guess you are able to complete it).
I think your code is a mess.
I have written an incomplete but hopefully tidier version of the program (I guess you are able to complete it).
#include <iostream>
using namespace std;
enum Option
{
PETS,
ACCESSORIES,
FOODS,
OPTIONS
};
int getOption();
int sellPet();
int sellAccessory();
int sellFood();
int main()
{
int totalPrice = 0;
int option;
while ( (option = getOption()) != OPTIONS )
{
switch ( option )
{
case PETS:
totalPrice += sellPet();
break;
case ACCESSORIES:
totalPrice += sellAccessory();
break;
case FOODS:
totalPrice += sellFood();
break;
}
cout << '\n';
}
cout << "\nthe total price is " << totalPrice << endl;
}
int getOption()
{
string option[] = { "Pets", "Accessories for pets", "Foods and milk (specially for cats and dogs only)"};
for ( int n=0; n < OPTIONS; ++n)
cout << (n+1) << ". " << option[n] << '\n';
cout << "any other input to exit" << '\n';
int choice;
if ( ! ( cin >> choice ) || choice < 1 || choice > OPTIONS)
return OPTIONS;
return (choice-1);
}
struct SellItem
{
string desc;
int price;
};
int sellPet()
{
SellItem sia[] =
{
{"Persian Kitten ( Female )", 2000 },
{"Persian Kitten ( Male )", 1500 },
{"Munchkin Kitten ( Female )", 2500 },
{"British Shorthair Kitten ( Female )", 3000 }
};
const int LEN = sizeof(sia) /sizeof(sia[0]);
cout << "choose a pet: " << '\n';
for (int n= 0; n<LEN; ++n)
cout << (n+1) << ". " << sia[n].desc << "\t\t RM " << sia[n].price << '\n';
cout << "any other input to exit\n";
int choice;
if ( ! ( cin >> choice ) || choice < 1 || choice > LEN)
return 0;
--choice;
int quantity;
cout << "enter quantity\n";
cin >> quantity;
if ( ! cin || quantity < 0) return 0;
int partialPrice = quantity * sia[choice].price;
cout << "partial price is RM " << partialPrice << '\n';
return partialPrice;
}
int sellAccessory()
{
return 0; // TODO: implement it
}
int sellFood()
{
return 0; // TODO: implement it
}这篇关于如何在首次购买和其他购买后显示总价的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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