我的工资单项目有问题。我们正在使用 fstream 来写入和读取 2 个单独的文件。每当我们运行添加记录并对主菜单问题回答“否”时，程序以代码 0 退出，但没有任何内容添加到文件中。如果我们说“是”返回主菜单并尝试添加另一条记录，我们会以代码 5 退出，这是employee-details.dat 文件中失败的退出代码。这两个文件都在目录中，并且在我们进行一些修改并开始使用 fstream 之前已经工作。
关于采取哪个方向的任何提示？
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <string>
#include <cstdlib>
#include <conio.h>
using namespace std;
class payroll
{
private:
char empnum[10];
string empfirstname;
string emplastname;
char empsin[9];
char empdob[10];
char empphone[15];
string empstreet;
string empcity;
string empprovince;
string empcountry;
string empstatus; //Employee status. EX: Terminated, On leave, Active etc.
double empsalaryei;
double empsalaryfedtax;
double empsalarycpp;
double empsalarynet;
double empsalarygross;
double empsalaryprovtax;
public:
void addrec(void);
void modrec(void);
void viewrec(void);
void exit1(void);
};
payroll rec;
payroll emp;
bool check = false;
bool filecheck1 = false;
bool filecheck2 = false;
fstream fileemp;
fstream filesal;
void mainmenu()
{
system("CLS");
char ch;
do
{
if (check == true)
{
system("CLS");
ch=0;
}
else
{
cout<<"1. Add an employee\n";
cout<<"2. Modify employee record\n";
cout<<"3. View employee record\n";
cout<<"0. Exit\n";
cout<<"Please choose an item: ";
cin>>ch;
}
switch(ch)
{
case '1':
emp.addrec();
break;
case '2':
emp.modrec();
break;
case '3':
emp.viewrec();
break;
case '0':
emp.exit1();
}
}while(ch !=0);
}
int main()
{
if (check==false)
{
mainmenu();
}else{
exit(25);
}
}
void openfiles()
{
string filename1 = "employee-details1.dat";
string filename2 = "payroll-info.dat";
fileemp.open(filename1.c_str(), ios::in|ios::out|ios::binary);
filecheck1 = true;
if(fileemp.fail())
{
cout <<"\nSorry the Employee file was not opened"<< "\nPlease check that the file exists" << endl;
exit(5);
}
filesal.open(filename2.c_str(), ios::in|ios::out|ios::binary);
filecheck2 = true;
if(filesal.fail())
{
cout << "\nSorry the Salary file was not opened"<< "\nPlease check that the file exists" << endl;
exit(10);
}
}
void payroll::addrec(void) //Record adding
{
system("CLS");
char userinputadd = ' ';
check = false;
if ((filecheck1 == false) && (filecheck2 == false)) //check if our files are open
{
openfiles(); //open both of our data files before the user chooses
}
fileemp.seekp(0L,ios::end); //go to the end of the employee data file
filesal.seekp(0L,ios::end); //go to the end of the salary file
cout << "Please Enter the Employee Number: ";
cin>>rec.empnum;
cin.clear();
cout << "\nPlease Enter the Employee's First Name: ";
cin>>rec.empfirstname;
cin.clear();
cout << "\nPlease Enter the Employee's Last Name: ";
cin>>rec.emplastname;
cin.clear();
cout << "\nPlease Enter the Employee's Date of Birth (mmddyyyy): ";
cin>>rec.empdob;
cin.clear();
cout << "\nPlease Enter the Employee's Social Insurance Number: ";
cin>>rec.empsin;
cin.clear();
cout << "\nPlease Enter the Employee's Phone Number: ";
cin>>rec.empphone;
cin.clear();
cout << "\nPlease Enter the Employee's Address: ";
cin>>rec.empstreet;
cin.clear();
cout << "\nPlease Enter the Employee's City: ";
cin>>rec.empcity;
cin.clear();
cout << "\nPlease Enter the Employee's Province: ";
cin>>rec.empprovince;
cin.clear();
cout << "\nPlease Enter the Employee's Country: ";
cin>>rec.empcountry;
cin.clear();
cout<<"\nPlease Enter the Employee's Status: ";
cin>>rec.empstatus;
cin.clear();
cout << "\nPlease Enter the Employee's Weekly Gross Salary: ";
cin >> rec.empsalarygross;
cin.clear();
rec.empsalaryei = rec.empsalarygross * 0.0178;
rec.empsalarycpp = (rec.empsalarygross-134.61)*0.0495;
rec.empsalaryfedtax = rec.empsalarygross * 0.15;
rec.empsalaryprovtax = rec.empsalarygross*0.0505;
rec.empsalarynet = rec.empsalarygross-rec.empsalaryei-rec.empsalarycpp-rec.empsalaryfedtax-rec.empsalaryprovtax;
fileemp<<rec.empnum<<","<<rec.empfirstname<<","<<rec.emplastname<<","<<rec.empdob<<","<<rec.empsin<<","<<rec.empphone<<","<<rec.empstreet<<","<<rec.empcity<<","<<rec.empprovince<<","<<rec.empcountry<<"0L";
filesal<<rec.empnum<<","<<rec.empsalaryei<<","<<rec.empsalarycpp<<","<<rec.empsalaryfedtax<<","<<rec.empsalaryprovtax<<","<<rec.empsalarynet<<"0L";
cin.clear();
cout<<"Press any key to the main menu.... ";
getch();
mainmenu();
}
void payroll::modrec(void) //Record Modification
{
system("CLS");
int empmodnum=0;
check = false;
char userinputmod = ' ';
cout<<"\nEnter the employee number for the record you would like to modify: ";
cin>>empmodnum;
cout<<"Press any key to the main menu.... ";
getch();
mainmenu();
}
void payroll::viewrec(void) //Record viewing
{
int ch1 = 0;
int i=0;
system("CLS");
check = false;
char userinputview = ' ';
if ((filecheck1 == false) && (filecheck2 == false))
{
openfiles(); //open both of our data files before the user chooses
}
cout <<"Which file would you like to view?"
<<"\n1) Employee Details"
<<"\n2) Employee Salary Info\n";
cin >> ch1;
if(ch1==1)
{
i=0;
fileemp.seekg(0L,ios::beg);
cout<<"\nList of Records in the Employee Data file"<<endl<<endl;
while(fileemp.read((char*)&rec,sizeof(rec)))
{
cout<<endl<<"Record#"<<""<<i++<<setw(4)<<rec.empnum<<setw(10)
<<rec.empfirstname<<setw(20)<<rec.emplastname<<setw(30)
<<rec.empsin<<setw(9)<<rec.empdob<<setw(10)<<rec.empphone<<setw(15)
<<rec.empstreet<<setw(25)<<rec.empcity<<setw(15)<<rec.empprovince<<setw(15)
<<rec.empcountry<<setw(15)<<rec.empstatus<<setw(10)
<<endl;
}
if (i==0)
{
cin.clear();
cout <<"\nNO RECORDS EXIST";
cout <<"\nPress any key to continue...";
getch();
}else{
cin.clear();
cout<<endl<<"Press any key...";
getch();
}
}else if(ch1==2)
{
i=0;
filesal.seekg(0L,ios::beg);
cout <<"\nList of Records in the Employee Salary file"<<endl<<endl;
while(filesal.read((char*)&rec,sizeof(rec)))
{
cout <<endl<<"Record#"<<""<<i++<<setw(4)
<<rec.empnum<<setw(10)<<rec.empsalarygross<<setw(15)
<<rec.empsalaryei<<setw(10)<<rec.empsalarycpp<<setw(10)
<<rec.empsalaryfedtax<<setw(10)<<rec.empsalaryprovtax<<setw(10)
<<rec.empsalarynet<<setw(10)
<<endl;
}
if (i==0)
{
cout <<"\nNO RECORDS EXIST";
cout <<"\nPress any key to continue...";
getch();
mainmenu();
}else{
cout<<endl<<"Press any key...";
getch();
mainmenu();
}
}
}
void payroll::exit1(void)
{
fileemp.close();
filesal.close();
filecheck1 = false;
filecheck2 = false;
check = true;
}