问题：我可以知道如何解决我的代码中出现的错误，查看所有错误并删除客户想要的不需要的waffle而不使用任何链接列表吗？
C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp in function＆＃39; void orderForm（）＆＃39;： 321 17 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [错误]＆＃39; extraFillings＆＃39;在这方面没有申明 332 41 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [Error]类型的无效操作数＆＃39; const char [29]＆＃39;和＆＃39;＆＃39;二进制＆＃39;运算符/＆＃39; 335 19 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [Error]＆＃39; extraToppings＆＃39;在这方面没有申明 341 15 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [错误]＆＃39; taxInvoice＆＃39;在这方面没有申明 355 1 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [错误]此处不允许使用函数定义＆＃39; {＆＃39;代币 569 11 C：\ Users \ Arianna \ Documents \ LABC ++ \ Lab2 \ ASSIGNMENT DSA SEM2 2.cpp [错误]预期＆＃39;}＆＃39;在输入结束时
#include<iostream>
#include<string>
using namespace std;
int main()
{
char choice,options;
char *tmp,*tmp2;
int sentinel=0;
double priceSoft1=10.00,priceCrispy1=12.00,priceSoft2=14.00,priceCrispy2=16.00,priceSoft3=12.00,priceCrispy3=14.00;
double payment,total;
double TotalAmt1,TotalAmt2,TotalAmt3,TotalAmt4,TotalAmt5,TotalAmt6;
double Fillings=1.20,Toppings=1.50;
double TotalAmount1,TotalAmount2,TotalAmount3,TotalAmount4,TotalAmount5,TotalAmount6;
char wMenu[100];
int listOption,orderForm;
int num1,num2,num3,num4,num5,num6;
}
class waffle
{
private:
struct cashier
{
char name [30]; //Name up to 30 letters
int idNum; //Id Number in Integer
cashier *next;//Pointer to the next node
};
cashier *start_ptr;//Start pointer (root)
public:
waffleShop()
{
start_ptr=NULL;
}//Add constructor and initialize start pointer to NULL
int cashierList();
void add_new_acc();
void displayList();
void delete_start_ptr();
void delete_end_node();
};
int waffle::cashierList()
{
char choice,options;
int listOption=0;
cout<<"Please choose the option from the list";
cout<<"<<1>>Add node at the end of the list"<<endl;
cout<<"<<2>>Display List"<<endl;
cout<<"<<3>>Delete first"<<endl;
cout<<"<<4>>Delete last"<<endl;
cout<<"<<5>>Sign Out"<<endl;
cin>>listOption;
switch(listOption)
{
case 1:
add_new_acc();
break;
case 2:
displayList();
break;
case 3:
delete_start_ptr();
break;
case 4:
delete_end_node();
break;
case 5:
cout<<"Would you like to sign out?";
cout<<" \n Press [Y] for Yes, and [N] for No.\n\n\tEnter Choice : ";
cin >>choice;
if ((choice !='N')&&(choice !='n'))
{
return cashierList();
}
else
{
cout<<"You have already sign out from the system";
system("cls");
}
break;
}
return 0;
}
void waffle::add_new_acc()
{
cashier *tmp,*tmp2;//temporary pointers
tmp=new cashier;
//Reserve space for the new node to fill in data
cout<<"Create New Account"<<endl;
cout<<"Please enter your name:"<<endl;
cin>>tmp->name;
cout<<"To create your Cashier ID"<<endl;
cout<<"Please enter last 4 digit of your Id: "<<endl;
cin>>tmp->idNum;
tmp->next=NULL;
if(start_ptr==NULL)
start_ptr=tmp;
else
{
tmp2=start_ptr;//The list is not empty since it is not NULL
while(tmp2->next!=NULL)
tmp2=tmp2->next;//move to next link
tmp2->next=tmp;
}
cashierList();
}
void waffle::displayList()
{
char wMenu[100];
cashier *tmp;
tmp=start_ptr;
while(tmp)
{
cout<<"Cashier Name:"<<tmp->name<<endl;
cout<<"Cashier Id:"<<tmp->idNum<<endl;
tmp=tmp->next;
}
main();
}
void waffle::delete_start_ptr()
{
cashier *tmp;
tmp=start_ptr;
start_ptr=start_ptr->next;
delete tmp;
cashierList();
}
void waffle::delete_end_node()
{
cashier *tmp1,*tmp2;
if(start_ptr==NULL)
cout<<"You're not in the list"<<endl;
else
{
tmp1=start_ptr;
if(tmp1->next==NULL)
{
cout<<"You are a New User!!"<<endl;
delete tmp1;
start_ptr=NULL;
}
else
{
while(tmp1->next !=NULL)
{
tmp2=tmp1;
tmp1=tmp1->next;
}
delete tmp1;
tmp2->next=NULL;
}
}
cashierList();
}
void wMenu()
{
char options;
cout<<"----------------------------------------------------------------------";
cout<<"WAFFLE TYPE ! CRISPY(RM) ! SOFT(RM) ! EXTRA CHARGE(RM) !";
cout<<"----------------------------------------------------------------------";
cout<<"1)American ! 12.00 ! 10.00 ! - RM1.20 for additional filling";
cout<<"2)Belgium ! 16.00 ! 14.00 ! - RM1.50 additional topping";
cout<<"3)Rolled ! 14.00 ! 12.00 !/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t/t";
cout<<"----------------------------------------------------------------------";
cout<<"Options:";
cout<<"\nFilling-choc,butter,kaya,ice cream,strawberry,blueberry";
cout<<"\nTopping(except for Rolled Waffle)";
cout<<"a)ice cream-vanila,chocolate or mix flavour";
cout<<"b)fruits-banana or strawberry";
cout<<"----------------------------------------------------------------------";
cout<<"Would you like proceed your order?"<<endl;
cin>>options;
cout<<" \n Press [Y] for Yes, and [N] for No.\n\n\tEnter Options : ";
if ((options !='N')&&(options !='n'))
{
main();
}
else
{
cout<<"Next Customer please ";
return wMenu();
}
}
void orderForm()
{
int order, choiceA,choiceB;
int num1,num2,num3,num4,num5,num6;
double AmountSale1,AmountSale2,AmountSale3,AmountSale4,AmountSale5,AmountSale6;
double priceSoft1=10.00,priceCrispy1=12.00,priceSoft2=14.00,priceCrispy2=16.00,priceSoft3=12.00,priceCrispy3=14.00;
cout<<"----------------------------------";
cout<<"(1)Soft American Waffle RM10.00 ";
cout<<"----------------------------------";
cout<<"(2)Crispy American Waffle RM12.00 ";
cout<<"----------------------------------";
cout<<"(3)Soft Belgium Waffle RM14.00 ";
cout<<"----------------------------------";
cout<<"(4)Crispy Belgium Waffle RM16.00 ";
cout<<"----------------------------------";
cout<<"(5)Soft Rolled Waffle RM12.00 ";
cout<<"----------------------------------";
cout<<"(6)Crispy Rolled Waffle RM14.00 ";
cout<<"----------------------------------";
while(order!=0)
{
do
{
cout<<"\nFrom the waffle menu , what would you like : ";
cin>>order;
}
while(1<order<5);
switch(order)
{
case 1:
cout<<"How many soft American waffle would you like:";
cin>>num1;
AmountSale1=priceSoft1*num1;
break;
case 2:
cout<<"How many crispy American waffle would you like:";
cin>>num2;
AmountSale2=priceCrispy1*num2;
break;
case 3:
cout<<"How many soft Belgium waffle would you like: ";
cin>>num3;
AmountSale3=priceSoft2*num3;
break;
case 4:
cout<<"How many crispy Belgium waffle would you like: ";
cin>>num4;
AmountSale4=priceCrispy2*num4;
break;
case 5:
cout<<"How many soft Rolled waffle would you like :";
cin>>num5;
AmountSale5=priceSoft3*num5;
break;
case 6:
cout<<"How many crispy Rolled waffle would you like :";
cin>>num6;
AmountSale6=priceCrispy3*num6;
break;
default:cout<<"Please choose a valid order from the menu\n";
}
cout<<" Do you want to add fillings? ";
cout<<" \n Press [Y] for Yes, and [N] for No.\n\n\tEnter Choice : ";
cin >> choiceA;
if ((choiceA ='Y')&&(choiceA !='N')&&(choiceA ='y')&&(choiceA !='n'))
{
extraFillings();
}
else
{
cout<<"Would you like to add Topings?";
cout<<" \n Press [Y] for Yes, and [N] for No.\n\n\tEnter Choice : ";
cin>>choiceB;
if((choiceB ='Y')&&(choiceB !='N')&&(choiceB ='y')&&(choiceB !='n'))
{
cout<<"Topping(except ROLLED WAFFLE"/endl;
if(order!=5&&order!=6)
{
extraToppings();
}
else
{
taxInvoice();
}
}
}
}
void extraFillings()
{
int typeofFillings,
cout<<"----------------------------------";
cout<<"(1)Soft American Waffle RM10.00 ";
cout<<"----------------------------------";
cout<<"(2)Crispy American Waffle RM12.00 ";
cout<<"----------------------------------";
cout<<"(3)Soft Belgium Waffle RM14.00 ";
cout<<"----------------------------------";
cout<<"(4)Crispy Belgium Waffle RM16.00 ";
cout<<"----------------------------------";
cout<<"(5)Soft Rolled Waffle RM12.00 ";
cout<<"----------------------------------";
cout<<"(6)Crispy Rolled Waffle RM14.00 ";
cout<<"----------------------------------";
cout<<"Waffle Added with Filings RM1.20 will be charged"
cout<<"Remark: ";
cin>>typeofFillings;
switch(order)
{
case 1:
TotalAmt1=AmountSale1+Fillings;
break;
case 2:
TotalAmt2=AmountSale2+Fillings;
break;
case 3:
TotalAmt3=AmountSale3+Fillings;
break;
case 4:
TotalAmt4=AmountSale4+Fillings;
break;
case 5:
TotalAmt5=AmountSale5+Fillings;
break;
case 6:
TotalAmt6=AmountSale6+Fillings;
break;
default:cout<<"Please choose a valid order from the menu\n";
}
extraTopings(void);
}
void extraTopings()
{
cout<<"----------------------------------";
cout<<"(1)Soft American Waffle RM10.00 ";
cout<<"----------------------------------";
cout<<"(2)Crispy American Waffle RM12.00 ";
cout<<"----------------------------------";
cout<<"(3)Soft Belgium Waffle RM14.00 ";
cout<<"----------------------------------";
cout<<"(4)Crispy Belgium Waffle RM16.00 ";
cout<<"----------------------------------";
cout<<"*****TOPPINGS OF ROLLED WAFFLE IS INVALID*****";
cout<<"Remark: ";
cin>>typeofTopings;
switch(order)
{
case 1:
TotalAmount1=AmountSale1+Toppings;
break;
case 2:
TotalAmount2=AmountSale2+Toppings;
break;
case 3:
TotalAmount3=AmountSale3+Toppings;
break;
case 4:
TotalAmount4=AmountSale4+Toppings;
break;
default:cout<<"Please choose a valid order from the menu\n";
}
taxInvoice();
}
void taxInvoice();
{
int ans,select;
double payment;
cout<<"----------------------------------";
cout<<"(1) Normal Waffle ";
cout<<"----------------------------------";
cout<<"(2) Waffle with Fillings ";
cout<<"----------------------------------";
cout<<"(3) Waffle with Toppings ";
cout<<"----------------------------------";
cout<<" You have ordered:\n\n";
cout<<"Select the selection ";
cin>>select;
if(select==1)
{
cout<<"NORMAL"/endl;
cout<<" ITEM\t\t\t\tQUANTITY\tUNIT PRICE\tAMOUNT OF SALE\n";
cout<<" Soft American Waffle:\t\t\t"<<num1<<"\t\tRM "<<priceSoft1<<"\tRM "<<AmountofSale1<<"\n";
cout<<" Crispy American Waffle:\t\t"<<num2<<"\t\tRM "<<priceCrispy1<<"\tRM "<<AmountofSale2<<"\n";
cout<<" Soft Belgium Waffle:\t" <<num3<<"\t\tRM "<<priceSoft2<<"\tRM "<<AmountofSale3<<"\n";
cout<<" Crispy Belgium Waffle:\t\t" <<num4<<"\t\tRM "<<priceCrispy2<<"\tRM "<<AmountofSale4<<"\n";
cout<<" Soft Rolled Waffle:\t\t\t" <<num5<<"\t\tRM "<<priceSoft3<<"\tRM "<<AmountofSale5<<"\n";
cout<<" Crispy Rolled Waffle:\t\t\t"<<num6<<"\t\tRM "<<priceCrispy3<<"\tRM "<<AmountofSale6<<"\n";
total=0;
total=total+AmountofSale1+AmountofSale2+AmountofSale3+AmountofSale4+AmountofSale5+AmountofSale6;
}
else
{
if(select==2)
{
cout<<"With Fillings"/endl;
cout<<" ITEM\t\t\t\tQUANTITY\tUNIT PRICE\tAMOUNT OF SALE\n";
cout<<" Soft American Waffle:\t\t\t"<<num1<<"\t\tRM "<<priceSoft1<<"\tRM "<<TotalAmt1<<"\n";
cout<<" Crispy American Waffle:\t\t"<<num2<<"\t\tRM "<<priceCrispy1<<"\tRM "<<TotalAmt2<<"\n";
cout<<" Soft Belgium Waffle:\t" <<num3<<"\t\tRM "<<priceSoft2<<"\tRM "<<TotalAmt3<<"\n";
cout<<" Crispy Belgium Waffle:\t\t" <<num4<<"\t\tRM "<<priceCrispy2<<"\tRM "<<TotalAmt4<<"\n";
cout<<" Soft Rolled Waffle:\t\t\t" <<num5<<"\t\tRM "<<priceSoft3<<"\tRM "<<TotalAmt5<<"\n";
cout<<" Crispy Rolled Waffle:\t\t\t"<<num6<<"\t\tRM "<<priceCrispy3<<"\tRM "<<TotalAmt6<<"\n";
total=0;
total=total+TotalAmt1+TotalAmt2+TotalAmt3+TotalAmt4+TotalAmt5+TotalAmt6;
}
else
{
if(select==3)
{
cout<<"With Toppings"/endl;
cout<<" Soft American Waffle:\t\t\t"<<num1<<"\t\tRM "<<priceSoft1<<"\tRM "<<TotalAmount1<<"\n";
cout<<" Crispy American Waffle:\t\t"<<num2<<"\t\tRM "<<priceCrispy1<<"\tRM "<<TotalAmount2<<"\n";
cout<<" Soft Belgium Waffle:\t "<<num3<<"\t\tRM "<<priceSoft2<<"\tRM "<<TotalAmount3<<"\n";
cout<<" Crispy Belgium Waffle:\t\t "<<num4<<"\t\tRM "<<priceCrispy2<<"\tRM "<<TotalAmount4<<"\n";
cout<<" Soft Rolled Waffle:\t\t\t "<<num5<<"\t\tRM "<<priceSoft3<<"\tRM "<<TotalAmount5<<"\n";
cout<<" Crispy Rolled Waffle:\t\t\t"<<num6<<"\t\tRM "<<priceCrispy3<<"\tRM "<<TotalAmount6<<"\n";
total=0;
total=total+TotalAmount1+TotalAmount2+TotalAmount3+TotalAmount4+TotalAmount5+TotalAmount6;
}
}
}
cout<<"\t\t\t\t\t\tThat would be: RM "<<total<<"\n";
cout<<"Order Again[0]no[1]yes"
cin<<ans;
if(ans==0)
{
if(payment<total)
{
cout<<"Insufficient Money";
}
else
{
cout<<"\n\tEnter Received Cash : ";
cin >> payment;
if(payment>total)
{
change=payment-total;
cout<<"\tYour change is:"<<change<<"\n\n\n\n\t\t"
}
}
do
{
cout<<" New transaction [0] no [1] yes : ";
cin >> ans;
} while ((ans != 0)&&(ans != 1));
}
system("cls\n\n\n\t\t");
system("PAUSE");
return 0;
}
答案 0 :(得分：0)
错误“函数X未在此范围内声明”是因为您调用的函数是在文件中调用它之后声明的函数。在编译时，编译器无法知道它是什么。 例如：orderForm调用extraFillings它尚未定义，因为它稍后在文件中定义。 您需要创建一个包含函数原型的头文件并将其链接到您的项目，或者您需要确保在调用者之前声明您调用的函数。