Summary报告代码使用链表的错误
Mistakes in Summary report code using linked lists
我目前正在为我的大学作业做一个 C++ 项目。我在使用链表对此进行编码时遇到了一些困难。
#include <iostream>
#include<stdlib.h>
#include <string.h>
#include <iomanip>
#include <conio.h>
#define MAX 100
using namespace std;
class User
{
public:
struct user_details
{
string data1;
user_details *next1;
};
struct user_date
{
string data2;
user_date *next2;
};
struct event
{
string data4;
event *next_event;
};
void push_user (string name, string date,string eventss)
{
user_details *newName;
user_date *newDate;
event *newEvent;
cout <<"\n\nList of Events services offered.\n1.Wedding\n2.Birthday\n3.Funeral\n4.Celebration event\n5.Open House"<<endl;
cin.sync();
cout<<"\nEnter name: ";
getline(cin, name);
cin.sync();
cout <<"Enter date: ";
getline(cin, date);
cin.sync();
cout<<"Write the events(e.g. Course.style-Wedding or Buffet.style-Wedding): "<< endl;
getline(cin, eventss);
if(top1 == NULL|| top2 == NULL||top_event==NULL) //checking for empty stack
{
top1 = new user_details;
top1-> data1= name;
top1->next1= NULL;
top2 = new user_date;
top2->data2=date;
top2->next2=NULL;
top_event = new event;
top_event->data4= eventss;
top_event->next_event= NULL;
}
else
{
newName= new user_details;
newName->data1 = name;
newName->next1 = top1;
top1 = newName;
newDate= new user_date;
newDate->data2 = date;
newDate->next2 =top2;
top2= newDate;
newEvent= new event;
newEvent->data4 = eventss;
newEvent->next_event= top_event;
top_event = newEvent;
cout<<"Added new user to stack."<<endl;
}
}
void pop_user (string name, string date, string eventss)
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top2 == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top_event == NULL)
{
cout <<"!!!Stack underflow"<<endl;
}
else
{
name = top1->data1;
current1 = top1;
top1 = top1->next1;
delete current1;
date = top2->data2;
current2=top2;
top2 = top2->next2;
delete current2;
eventss = top_event->data4;
current23 = top_event;
top_event = top_event->next_event;
delete current23;
cout << "Name: "<< name<<endl;
cout << "Date: " << date<<endl;
cout<<"Event" << eventss << " is removed " << endl;
}
}
void display_user ()
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL)
{
cout<<"\nEmpty list" << endl;
// return;
}
else
{
current1 = top1;
current2 =top2;
current23=top_event;
while(current1 != NULL || current2 !=NULL||current23 != NULL)
{
cout<<"\nName: "<< current1->data1<<endl;
current1 = current1->next1;
cout <<"Date: "<<current2->data2<<endl;
current2 = current2->next2;
cout<<"Event: " << current23->data4<<endl;
current23 = current23->next_event;
}
}
}
void deleteStack_user()
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL || top2 ==NULL||top_event==NULL)
return;
else
{
current1 = top1;
current2 = top2;
current23=top_event;
while(current1 != NULL || current2 != NULL||current23 != NULL)
{
top1 = top1->next1;
delete current1;
current1 = top1;
top2 = top2->next2;
delete current2;
current2 = top2;
top_event = top_event->next_event;
delete current23;
current23 = top_event;
}
}
}
void search(string user_name) //linear search
{
user_details *current1;
cout <<"Please enter the name you want to search: "<<endl;
cin.sync();
getline(cin,user_name);
if(top1==NULL)
{
cout<<"not found";
}
else
{
current1 = top1;
while(user_name==current1->data1||current1 != NULL)
{
cout<<"\nName: "<< current1->data1<<endl;
current1 = current1->next1;
cout <<"Found."<<endl;
}
}
}
user_details *top1=NULL;
user_date *top2=NULL;
event *top_event;
};
class reeves
{
public:
struct node
{
string data;
node *next;
};
void push(string menu)
{
node *newMenu;
cout<<"Enter the menu: ";
cin.sync();
getline(cin, menu);
if(top == NULL) //checking for empty stack
{
top = new node;
top->data= menu;
top->next= NULL;
cout<<"\nCreated new menu."<<endl;
}
else
{
newMenu= new node;
newMenu->data = menu;
newMenu->next = top;
top = newMenu;
cout<<"Added new menu to stack."<<endl;
}
}
void pop(string menu)
{
node *current;
if(top == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
else
{
menu = top->data;
current = top;
top = top->next;
delete current;
cout<<"Menu " << menu << " is removed " << endl;
}
}
void display()
{
node *current;
if(top == NULL)
{
cout<<"\nEmpty menu" << endl;
// return;
}
else
{
current = top;
while(current != NULL)
{
cout<<current->data<<endl;
current = current->next;
}
}
}
void deleteStack()
{
node *current;
if(top == NULL)
return;
else
{
current = top;
while(current != NULL)
{
top = top->next;
delete current;
current = top;
}
}
}
node *top=NULL;
};
class summary_report_price
{
public:
//double wedding_menu=22.00; //per person
//double birthday_menu=17.00;
//double funeral_menu=16.00;
//double celebrationEvent_menu=30.00;
//double openHouse_menu=25.00;
summary_report (){}
~summary_report(){}
struct quantity
{
int Num;
quantity *next_quantity;
};
struct total_quantity
{
int total;
total_quantity *next_total;
};
void enter_quantity(int Quantity, int totalRevenue)
{ int choose;
int price;
quantity *newQuantity;
total_quantity *newTotal;
cout << "\n\nWhich event did you previously choose?\n1.Wedding\n2.Birthday\n3.Funeral\n4.Celebration Event\n5.Open House.\n"<<endl;
cin>>choose;
switch(choose)
{
case 1:
cout <<"Wedding..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*22;
break;
case 2:
cout <<"Birthday..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*17;
break;
case 3:
cout <<"Funeral..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin>>Quantity;
totalRevenue=Quantity*16;
break;
case 4:
cout <<"Celebration Event..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*30;
break;
case 5:
cout <<"Open House..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*25;
break;
case 6:
exit(1);
break;
default:
cout<<"You can only press 1-6 only."<<endl;
}
if(top_quantity == NULL||top_total==NULL) //checking for empty stack
{
top_quantity = new quantity;
top_quantity->Num= Quantity;
top_quantity->next_quantity= NULL;
top_total= new total_quantity; //calc total
top_total->total=totalRevenue;
top_total->next_total=NULL;
}
else
{
newQuantity= new quantity;
newQuantity->Num= Quantity;
newQuantity->next_quantity= top_quantity;
top_quantity= newQuantity;
newTotal= new total_quantity;
newTotal->total=totalRevenue;
newTotal->next_total=top_total;
top_total= newTotal;
}
}
void pop_price(int Quantity, int totalRevenue)
{
quantity *current36;
total_quantity *current71;
if(top_quantity== NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top_total== NULL)
{
cout<<"!!!Stack underflow" << endl;
}
else
{
Quantity = top_quantity->Num;
current36 = top_quantity;
top_quantity= top_quantity->next_quantity;
delete current36;
totalRevenue = top_total->total;
current71=top_total;
top_total = top_total->next_total;
delete current71;
cout << "Quantity: "<< Quantity <<endl;
cout << "Total: RM" << totalRevenue<< " is removed " << endl;
}
}
void display_totalRevenue()
{
quantity *current36;
total_quantity *current71;
if(top_quantity == NULL || top_total==NULL)
{
cout<<"\nEmpty revenue" << endl;
// return;
}
else
{
current36 = top_quantity;
current71=top_total;
while(current36 != NULL || current71 !=NULL)
{
cout<<"\nQuantity: "<<current36->Num<<endl;
current36 = current36->next_quantity;
cout<<"Total: RM"<<current71->total<<endl;
current71=current71->next_total;
}
}
}
quantity *top_quantity;
total_quantity *top_total;
};
所以这就是我面临的问题，据说我试图从不同的 类 链接列表访问这些结构，并将其打印到摘要报告中。那是计划，我一输入数据就只显示列表是空的。
以下是我遇到问题的功能...还有其他方法吗？对不起的错误。我只是 C++ 编程的初学者
void QuantityReady(User::user_details *current1, User::user_date *current2, User::event *current23, summary_report_price::quantity *current36, summary_report_price::total_quantity *current71,int count)
{
//quantity
summary_report_price::quantity *temp3;
temp3=current36;
//totalRevenue
summary_report_price::total_quantity *temp5;
temp5=current71;
//struct user_details
User::user_details *temp;
temp=current1;
//struct user_date
User::user_date *temp1;
temp1=current2;
//struct event
User::event *temp2;
temp2=current23;
int i,j;
int HoldNum, tempCount= count, sizeM[tempCount], countM[tempCount];
int RevenueM[tempCount], HoldRevenue;
string NameM[tempCount], HoldName;
string DateM[tempCount], HoldDate;
string EventM[tempCount], HoldEvent;
string events1="Course style-Wedding ";
string events2="Course style-Birthday ";
string events3="Course style-Funeral ";
string events4="Course style-Celebration Event ";
string events5="Course style-Open House ";
string events6="Buffet style-Wedding ";
string events7="Buffet style-Birthday ";
string events8="Buffet style-Funeral ";
string events9="Buffet style-Celebration Event ";
string events10="Buffet style-Open House ";
system("cls");
if(current1==NULL||current2==NULL||current23==NULL||current36==NULL||current71==NULL)
{
cout<<"The list is empty..."<< endl;
cout<<"Press any key to continue ..."<<endl;
getch();
}
else
{ User::user_details *next1;
User::user_date *next2;
User::event *next_event;
summary_report::quantity *next_quantity;
summary_report::total_quantity *next_total;
i=0;
while (i<tempCount)
{
RevenueM[i]=temp5->total;
temp5=temp5->next_total;
sizeM[i]=temp3->Num; //quantity
temp3=temp3->next_quantity;
;
NameM[i]=temp->data1;//struct user details
temp=temp->next1;
DateM[i]=temp1->data2; // user date
temp1=temp1->next2;
EventM[i]=temp2->data4; //event
temp2=temp2->next_event;
i=i+1;
}
j=0;
for(i=0;i<tempCount; i++)
{
for(j=i+1; j<tempCount; j++)
{
if(sizeM[i]<sizeM[j]&&NameM[i]<NameM[j]&&DateM[i]<DateM[j]&&EventM[i]<EventM[j]&&RevenueM[i]<RevenueM[j]) //bubble sorting algorithm
{
HoldRevenue=RevenueM[i];
RevenueM[i]=RevenueM[j];
RevenueM[j]=HoldRevenue;
HoldNum=sizeM[i];
HoldName=NameM[i];
sizeM[i]=sizeM[j];
NameM[i]=NameM[j];
sizeM[j]=HoldNum;
NameM[j]=HoldName;
//date
HoldDate=DateM[i];
DateM[i]=DateM[j];
DateM[j]=HoldDate;
//event
HoldEvent=EventM[i];
EventM[i]=EventM[j];
EventM[j]=HoldEvent;
}
}
}
for(i=0;i<tempCount;i++)
{
countM[i]=0;
}
cout<<"\t\t\t\tReeves Cartering Summary Report"<<endl;
for(i=0;i<tempCount;i++)
{ temp1=current2;
temp2=current23;
temp3=current36;
temp5=current71;
temp=current1;
while (temp!=NULL||temp1!=NULL||temp2!=NULL||temp3!=NULL||temp5 !=NULL)
{
if(temp->data1==NameM[i]||temp1->data2==DateM[i]||temp2->data4==EventM[i]||temp3->Num==sizeM[i]||temp5->total==RevenueM[i])
{
if(temp2->data4.compare(events1)==0)
{
cout<<temp->data1<< " "<<temp2->data4<<temp1->data2 <<temp3->Num<<" "<<temp5->total; //quantity
}
if(temp2->data4==events2)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events3)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events4)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events5)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events6)
{
cout<<temp->data1<< " "<<temp2->data4<<temp1->data2 <<temp3->Num<<" "<<temp5->total; //quantity
}
if(temp2->data4==events7)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events8)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events9)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events10)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
countM[i]=1;
}
temp3=temp3->next_quantity;
temp5=temp5->next_total;
temp1=temp1->next2;
temp2=temp2->next_event;
temp=temp->next1;
}
}
cout<<"Press any key to continue...";
getch();
}
}
```
您的错误在以下行：
if(current1==NULL||current2==NULL||current23==NULL||current36==NULL||current71==NULL)
这意味着如果其中任何一个为空，它将打印出来列表为空，您从未更改 current23 71 或 36 的默认值，为什么您认为它们不会为空？？
summary_report::quantity *temp3;
temp3=current36;
//totalRevenue
summary_report::total_quantity *temp5;
temp5=current71;
//struct user_details
User::user_details *temp;
temp=current1;
//struct user_date
User::user_date *temp1;
temp1=current2;
//struct event
User::event *temp2;
temp2=current23;
此时你当前的1到10都是空的，在你初始化当前的23之后，71等也将是空的...
我目前正在为我的大学作业做一个 C++ 项目。我在使用链表对此进行编码时遇到了一些困难。
#include <iostream>
#include<stdlib.h>
#include <string.h>
#include <iomanip>
#include <conio.h>
#define MAX 100
using namespace std;
class User
{
public:
struct user_details
{
string data1;
user_details *next1;
};
struct user_date
{
string data2;
user_date *next2;
};
struct event
{
string data4;
event *next_event;
};
void push_user (string name, string date,string eventss)
{
user_details *newName;
user_date *newDate;
event *newEvent;
cout <<"\n\nList of Events services offered.\n1.Wedding\n2.Birthday\n3.Funeral\n4.Celebration event\n5.Open House"<<endl;
cin.sync();
cout<<"\nEnter name: ";
getline(cin, name);
cin.sync();
cout <<"Enter date: ";
getline(cin, date);
cin.sync();
cout<<"Write the events(e.g. Course.style-Wedding or Buffet.style-Wedding): "<< endl;
getline(cin, eventss);
if(top1 == NULL|| top2 == NULL||top_event==NULL) //checking for empty stack
{
top1 = new user_details;
top1-> data1= name;
top1->next1= NULL;
top2 = new user_date;
top2->data2=date;
top2->next2=NULL;
top_event = new event;
top_event->data4= eventss;
top_event->next_event= NULL;
}
else
{
newName= new user_details;
newName->data1 = name;
newName->next1 = top1;
top1 = newName;
newDate= new user_date;
newDate->data2 = date;
newDate->next2 =top2;
top2= newDate;
newEvent= new event;
newEvent->data4 = eventss;
newEvent->next_event= top_event;
top_event = newEvent;
cout<<"Added new user to stack."<<endl;
}
}
void pop_user (string name, string date, string eventss)
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top2 == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top_event == NULL)
{
cout <<"!!!Stack underflow"<<endl;
}
else
{
name = top1->data1;
current1 = top1;
top1 = top1->next1;
delete current1;
date = top2->data2;
current2=top2;
top2 = top2->next2;
delete current2;
eventss = top_event->data4;
current23 = top_event;
top_event = top_event->next_event;
delete current23;
cout << "Name: "<< name<<endl;
cout << "Date: " << date<<endl;
cout<<"Event" << eventss << " is removed " << endl;
}
}
void display_user ()
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL)
{
cout<<"\nEmpty list" << endl;
// return;
}
else
{
current1 = top1;
current2 =top2;
current23=top_event;
while(current1 != NULL || current2 !=NULL||current23 != NULL)
{
cout<<"\nName: "<< current1->data1<<endl;
current1 = current1->next1;
cout <<"Date: "<<current2->data2<<endl;
current2 = current2->next2;
cout<<"Event: " << current23->data4<<endl;
current23 = current23->next_event;
}
}
}
void deleteStack_user()
{
user_details *current1;
user_date *current2;
event *current23;
if(top1 == NULL || top2 ==NULL||top_event==NULL)
return;
else
{
current1 = top1;
current2 = top2;
current23=top_event;
while(current1 != NULL || current2 != NULL||current23 != NULL)
{
top1 = top1->next1;
delete current1;
current1 = top1;
top2 = top2->next2;
delete current2;
current2 = top2;
top_event = top_event->next_event;
delete current23;
current23 = top_event;
}
}
}
void search(string user_name) //linear search
{
user_details *current1;
cout <<"Please enter the name you want to search: "<<endl;
cin.sync();
getline(cin,user_name);
if(top1==NULL)
{
cout<<"not found";
}
else
{
current1 = top1;
while(user_name==current1->data1||current1 != NULL)
{
cout<<"\nName: "<< current1->data1<<endl;
current1 = current1->next1;
cout <<"Found."<<endl;
}
}
}
user_details *top1=NULL;
user_date *top2=NULL;
event *top_event;
};
class reeves
{
public:
struct node
{
string data;
node *next;
};
void push(string menu)
{
node *newMenu;
cout<<"Enter the menu: ";
cin.sync();
getline(cin, menu);
if(top == NULL) //checking for empty stack
{
top = new node;
top->data= menu;
top->next= NULL;
cout<<"\nCreated new menu."<<endl;
}
else
{
newMenu= new node;
newMenu->data = menu;
newMenu->next = top;
top = newMenu;
cout<<"Added new menu to stack."<<endl;
}
}
void pop(string menu)
{
node *current;
if(top == NULL)
{
cout<<"!!!Stack underflow" << endl;
}
else
{
menu = top->data;
current = top;
top = top->next;
delete current;
cout<<"Menu " << menu << " is removed " << endl;
}
}
void display()
{
node *current;
if(top == NULL)
{
cout<<"\nEmpty menu" << endl;
// return;
}
else
{
current = top;
while(current != NULL)
{
cout<<current->data<<endl;
current = current->next;
}
}
}
void deleteStack()
{
node *current;
if(top == NULL)
return;
else
{
current = top;
while(current != NULL)
{
top = top->next;
delete current;
current = top;
}
}
}
node *top=NULL;
};
class summary_report_price
{
public:
//double wedding_menu=22.00; //per person
//double birthday_menu=17.00;
//double funeral_menu=16.00;
//double celebrationEvent_menu=30.00;
//double openHouse_menu=25.00;
summary_report (){}
~summary_report(){}
struct quantity
{
int Num;
quantity *next_quantity;
};
struct total_quantity
{
int total;
total_quantity *next_total;
};
void enter_quantity(int Quantity, int totalRevenue)
{ int choose;
int price;
quantity *newQuantity;
total_quantity *newTotal;
cout << "\n\nWhich event did you previously choose?\n1.Wedding\n2.Birthday\n3.Funeral\n4.Celebration Event\n5.Open House.\n"<<endl;
cin>>choose;
switch(choose)
{
case 1:
cout <<"Wedding..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*22;
break;
case 2:
cout <<"Birthday..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*17;
break;
case 3:
cout <<"Funeral..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin>>Quantity;
totalRevenue=Quantity*16;
break;
case 4:
cout <<"Celebration Event..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*30;
break;
case 5:
cout <<"Open House..."<<endl;
cout <<"Enter how many people that will be attending: "<<endl;
cin >>Quantity;
totalRevenue=Quantity*25;
break;
case 6:
exit(1);
break;
default:
cout<<"You can only press 1-6 only."<<endl;
}
if(top_quantity == NULL||top_total==NULL) //checking for empty stack
{
top_quantity = new quantity;
top_quantity->Num= Quantity;
top_quantity->next_quantity= NULL;
top_total= new total_quantity; //calc total
top_total->total=totalRevenue;
top_total->next_total=NULL;
}
else
{
newQuantity= new quantity;
newQuantity->Num= Quantity;
newQuantity->next_quantity= top_quantity;
top_quantity= newQuantity;
newTotal= new total_quantity;
newTotal->total=totalRevenue;
newTotal->next_total=top_total;
top_total= newTotal;
}
}
void pop_price(int Quantity, int totalRevenue)
{
quantity *current36;
total_quantity *current71;
if(top_quantity== NULL)
{
cout<<"!!!Stack underflow" << endl;
}
if(top_total== NULL)
{
cout<<"!!!Stack underflow" << endl;
}
else
{
Quantity = top_quantity->Num;
current36 = top_quantity;
top_quantity= top_quantity->next_quantity;
delete current36;
totalRevenue = top_total->total;
current71=top_total;
top_total = top_total->next_total;
delete current71;
cout << "Quantity: "<< Quantity <<endl;
cout << "Total: RM" << totalRevenue<< " is removed " << endl;
}
}
void display_totalRevenue()
{
quantity *current36;
total_quantity *current71;
if(top_quantity == NULL || top_total==NULL)
{
cout<<"\nEmpty revenue" << endl;
// return;
}
else
{
current36 = top_quantity;
current71=top_total;
while(current36 != NULL || current71 !=NULL)
{
cout<<"\nQuantity: "<<current36->Num<<endl;
current36 = current36->next_quantity;
cout<<"Total: RM"<<current71->total<<endl;
current71=current71->next_total;
}
}
}
quantity *top_quantity;
total_quantity *top_total;
};
所以这就是我面临的问题，据说我试图从不同的 类 链接列表访问这些结构，并将其打印到摘要报告中。那是计划，我一输入数据就只显示列表是空的。
以下是我遇到问题的功能...还有其他方法吗？对不起的错误。我只是 C++ 编程的初学者
void QuantityReady(User::user_details *current1, User::user_date *current2, User::event *current23, summary_report_price::quantity *current36, summary_report_price::total_quantity *current71,int count)
{
//quantity
summary_report_price::quantity *temp3;
temp3=current36;
//totalRevenue
summary_report_price::total_quantity *temp5;
temp5=current71;
//struct user_details
User::user_details *temp;
temp=current1;
//struct user_date
User::user_date *temp1;
temp1=current2;
//struct event
User::event *temp2;
temp2=current23;
int i,j;
int HoldNum, tempCount= count, sizeM[tempCount], countM[tempCount];
int RevenueM[tempCount], HoldRevenue;
string NameM[tempCount], HoldName;
string DateM[tempCount], HoldDate;
string EventM[tempCount], HoldEvent;
string events1="Course style-Wedding ";
string events2="Course style-Birthday ";
string events3="Course style-Funeral ";
string events4="Course style-Celebration Event ";
string events5="Course style-Open House ";
string events6="Buffet style-Wedding ";
string events7="Buffet style-Birthday ";
string events8="Buffet style-Funeral ";
string events9="Buffet style-Celebration Event ";
string events10="Buffet style-Open House ";
system("cls");
if(current1==NULL||current2==NULL||current23==NULL||current36==NULL||current71==NULL)
{
cout<<"The list is empty..."<< endl;
cout<<"Press any key to continue ..."<<endl;
getch();
}
else
{ User::user_details *next1;
User::user_date *next2;
User::event *next_event;
summary_report::quantity *next_quantity;
summary_report::total_quantity *next_total;
i=0;
while (i<tempCount)
{
RevenueM[i]=temp5->total;
temp5=temp5->next_total;
sizeM[i]=temp3->Num; //quantity
temp3=temp3->next_quantity;
;
NameM[i]=temp->data1;//struct user details
temp=temp->next1;
DateM[i]=temp1->data2; // user date
temp1=temp1->next2;
EventM[i]=temp2->data4; //event
temp2=temp2->next_event;
i=i+1;
}
j=0;
for(i=0;i<tempCount; i++)
{
for(j=i+1; j<tempCount; j++)
{
if(sizeM[i]<sizeM[j]&&NameM[i]<NameM[j]&&DateM[i]<DateM[j]&&EventM[i]<EventM[j]&&RevenueM[i]<RevenueM[j]) //bubble sorting algorithm
{
HoldRevenue=RevenueM[i];
RevenueM[i]=RevenueM[j];
RevenueM[j]=HoldRevenue;
HoldNum=sizeM[i];
HoldName=NameM[i];
sizeM[i]=sizeM[j];
NameM[i]=NameM[j];
sizeM[j]=HoldNum;
NameM[j]=HoldName;
//date
HoldDate=DateM[i];
DateM[i]=DateM[j];
DateM[j]=HoldDate;
//event
HoldEvent=EventM[i];
EventM[i]=EventM[j];
EventM[j]=HoldEvent;
}
}
}
for(i=0;i<tempCount;i++)
{
countM[i]=0;
}
cout<<"\t\t\t\tReeves Cartering Summary Report"<<endl;
for(i=0;i<tempCount;i++)
{ temp1=current2;
temp2=current23;
temp3=current36;
temp5=current71;
temp=current1;
while (temp!=NULL||temp1!=NULL||temp2!=NULL||temp3!=NULL||temp5 !=NULL)
{
if(temp->data1==NameM[i]||temp1->data2==DateM[i]||temp2->data4==EventM[i]||temp3->Num==sizeM[i]||temp5->total==RevenueM[i])
{
if(temp2->data4.compare(events1)==0)
{
cout<<temp->data1<< " "<<temp2->data4<<temp1->data2 <<temp3->Num<<" "<<temp5->total; //quantity
}
if(temp2->data4==events2)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events3)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events4)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events5)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events6)
{
cout<<temp->data1<< " "<<temp2->data4<<temp1->data2 <<temp3->Num<<" "<<temp5->total; //quantity
}
if(temp2->data4==events7)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events8)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events9)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
if(temp2->data4==events10)
{
cout<<temp->data1<<" "<<temp2->data4<<temp1->data2<<temp3->Num<<" "<<temp5->total;
}
countM[i]=1;
}
temp3=temp3->next_quantity;
temp5=temp5->next_total;
temp1=temp1->next2;
temp2=temp2->next_event;
temp=temp->next1;
}
}
cout<<"Press any key to continue...";
getch();
}
}
```
您的错误在以下行：
if(current1==NULL||current2==NULL||current23==NULL||current36==NULL||current71==NULL)
这意味着如果其中任何一个为空，它将打印出来列表为空，您从未更改 current23 71 或 36 的默认值，为什么您认为它们不会为空？？
summary_report::quantity *temp3;
temp3=current36;
//totalRevenue
summary_report::total_quantity *temp5;
temp5=current71;
//struct user_details
User::user_details *temp;
temp=current1;
//struct user_date
User::user_date *temp1;
temp1=current2;
//struct event
User::event *temp2;
temp2=current23;
此时你当前的1到10都是空的，在你初始化当前的23之后，71等也将是空的...