#include"iostream"
#include <fstream>
#include<string.h>
#include"stdlib.h"
#define MAX 100
using namespace std;
class person
{
public:
int num;
char name[20];
char sex[4];
int age;
};
class Calculate
{
private:
int i,j1,j2;
public:
void calc();
};
//Teacher class
class Teacher:virtual public person
{
public:
char dept[20];
char special[20];
char title[20];
void Input()
{
cout<<"Input num:";cin>>num;
cout<<"Input name:";cin>>name;
cout<<"Input sex:";cin>>sex;
cout<<"Input age:";cin>>age;
cout<<"Input dept:";cin>>dept;
cout<<"Input special:";cin>>special;
cout<<"Input title:";cin>>title;
}
void Output()
{
cout<<"编号: "<<num<<" "<<"姓名: "<<name<<" "<<"性别: "<<sex<<" "<<"年龄: "<<age<<
" "<<"所在系: "<<dept<<" "<<"专业: "<<special<<" "<<"职称: "<<title<<endl;
}
};
Teacher Tea[MAX];
static int Teatop;
class TeaManager:public Calculate
{
public:
int Add();
int Search();
void Show();
void Edit();
int Delete();
void Save();
void Read();
void count();
};
int TeaManager::Add()
{
Teacher t;
int i,nu;
if(Teatop==MAX)
{cout<<"人数已满"<<endl;
return 0;
}
cout<<"请输入编号:";cin>>nu;
for(i=0;i<Teatop;i++)
{
if(nu==Tea[i].num)
{cout<<"已有编号,请从输入"<<endl;
return 0;
}
}
t.Input();Tea[Teatop]=t;Teatop++;
cout<<"添加成功!"<<endl;
return 1;
}
int TeaManager::Search()
{
int j,n;
cout<<"请输入编号:";cin>>n;
for(j=0;j<Teatop;j++)
{
if(n==Tea[j].num) break;
}
if(j==Teatop)
cout<<"没有此人!"<<endl;
else
Tea[j].Output();
return 1;
}
void TeaManager::Show()
{
int i;
if(Teatop==0)
{cout<<"记录为空!"<<endl; return;}
for(i=0;i<Teatop;i++)
Tea[i].Output();
}
void TeaManager::Edit()
{
Teacher t1;
int j,n;
cout<<"请输入要编辑的人的编号:";cin>>n;
for(j=0;j<Teatop;j++)
{
if(n==Tea[j].num) break;
}
if(j==Teatop)
{cout<<"没有此人!"<<endl;return;};
cout<<"输入修改后的信息,编号不能改:"<<endl;
t1.Input();
Tea[j]=t1;
cout<<"编辑成功!"<<endl;
}
int TeaManager::Delete()
{
int j,n;
cout<<"请输入要删除的人的编号:";cin>>n;
for(j=0;j<Teatop;j++)
{
if(n==Tea[j].num) break;
}
if(j==Teatop)
{cout<<"没有此人!"<<endl;return 0;};
for(j;j<Teatop;j++)
{
Tea[j]=Tea[j+1];
}
Teatop--;
cout<<"删除成功!"<<endl;
return 1;
}
void TeaManager::Save()
{
int i;
ofstream outfile,outfile1;
outfile1.open("Teatop.dat",ios::out);
outfile1<<Teatop;
outfile.open("Tea_data.dat",ios::binary);
if(!outfile)
{cerr<<"open error!"<<endl; return; }
for(i=0;i<Teatop;i++)
outfile.write((char *)&Tea[i],sizeof(Tea[i]));
outfile.close();
cout<<"保存成功!"<<endl;
}
void TeaManager::Read()
{
int i;
ifstream infile,infile1;
infile1.open("Teatop.dat",ios::in);
infile1>>Teatop;
infile.open("Tea_data.dat",ios::binary);
if(!infile)
{cerr<<"open error!"<<endl; return; }
for(i=0;i<Teatop;i++)
infile.read((char *)&Tea[i],sizeof(Tea[i]));
infile.close();
cout<<"读取成功!"<<endl;
}
void TeaManager::count()
{
Calculate.calc();
}
void Tea_mune(TeaManager TM)
{
int b;
char c;
do{
cout<<"教师管理"<<endl;
cout<<"=========================================================================================="<<endl;
cout<<"1.添加 ";
cout<<"2.查询 ";
cout<<"3.显示 ";
cout<<"4.编辑 ";
cout<<"5.删除 ";
cout<<"6.统计 ";
cout<<"7.保存 ";
cout<<"8.读取 ";
cout<<"0.退出 |"<<endl;
cout<<"=========================================================================================="<<endl;
cout<<"请选择:";cin>>b;
switch(b)
{
case 1:TM.Add();break;
case 2:TM.Search();break;
case 3:TM.Show();break;
case 4:TM.Edit();break;
case 5:TM.Delete();break;
case 6:TM.count();break;
case 7:TM.Save();break;
case 8:TM.Read();break;
default:cout<<"\n error"<<endl;break;
case 0:break;
}
cout<<"按回车键继续"<<endl;
system("pause");
c=getchar();
system("cls");
}while(b!=0);
}
void Calculate calc()
{
int j1=0,j2=0;
i=Teatop
for(i=0;i<Teaptop;i++)
{
if(strcmp(Teap[i].sex,"F")==0)
j2++;
else
j1++;
}
cout<<"总人数: "<<i<<endl;
};
int main()
{
TeaManager Tmer1;
TestManager Tetmer;
PolicerManager Polimer;
TeaPolicerManager TeaPolimer;
int a=1,m=0;
char c;
cout<<" *************************************";
cout<<endl<<" $ 高校人员管理系统 $"<<endl;
cout<<" *************************************";
cout<<endl<<"请输入密码:";cin>>m;
if(m!=666)
{
cout<<"密码错误!"<<endl;
system("pause");
c=getchar();
return 0;
}
while(a)
{
system("cls");
cout<<endl;
cout<<" ****欢迎使用高校人员信息管理系统****"<<endl;
cout<<" ================================="<<endl;
cout<<" | 1.教师管理 |"<<endl;
cout<<" | 2.实验员管理 |"<<endl;
cout<<" | 3.行政员管理 |"<<endl;
cout<<" | 4.教师兼行政员管理 |"<<endl;
cout<<" | 0.退出 |"<<endl;
cout<<" ================================="<<endl;
cout<<"请选择:";cin>>a;
switch(a)
{
case 1:Tea_mune(Tmer1);break;
case 2:Test_mune(Tetmer);break;
case 3:Policers_mune(Polimer);break;
case 4:TeaPolicers_mune(TeaPolimer);break;
case 0:break;
default:cout<<"\n error"<<endl;
cout<<"按回车键继续"<<endl;
system("pause");
c=getchar();
break;
}
}
cout<<endl<<"谢谢使用"<<endl;
system("pause");
c=getchar();
return 0;
}
请教一下,Teacher类的count()函数里我应该怎么改才能调用Calculate类的calc()函数
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1条回答 默认 最新
- stone_wangzx 2021-12-14 11:48关注
#include <iostream> #include <fstream> #include<string.h> #include"stdlib.h" #define MAX 100 using namespace std; class person { public: int num; char name[20]; char sex[4]; int age; }; class Calculate { private: int i, j1, j2; public: void calc(); }; //Teacher class class Teacher : virtual public person { public: char dept[20]; char special[20]; char title[20]; void Input() { cout << "Input num:"; cin >> num; cout << "Input name:"; cin >> name; cout << "Input sex:"; cin >> sex; cout << "Input age:"; cin >> age; cout << "Input dept:"; cin >> dept; cout << "Input special:"; cin >> special; cout << "Input title:"; cin >> title; } void Output() { cout << "编号: " << num << " " << "姓名: " << name << " " << "性别: " << sex << " " << "年龄: " << age << " " << "所在系: " << dept << " " << "专业: " << special << " " << "职称: " << title << endl; } }; Teacher Tea[MAX]; static int Teatop; class TeaManager :public Calculate { public: int Add(); int Search(); void Show(); void Edit(); int Delete(); void Save(); void Read(); void count(); }; int TeaManager::Add() { Teacher t; int i, nu; if (Teatop == MAX) { cout << "人数已满" << endl; return 0; } cout << "请输入编号:"; cin >> nu; for (i = 0; i < Teatop; i++) { if (nu == Tea[i].num) { cout << "已有编号,请从输入" << endl; return 0; } } t.Input(); Tea[Teatop] = t; Teatop++; cout << "添加成功!" << endl; return 1; } int TeaManager::Search() { int j, n; cout << "请输入编号:"; cin >> n; for (j = 0; j < Teatop; j++) { if (n == Tea[j].num) break; } if (j == Teatop) cout << "没有此人!" << endl; else Tea[j].Output(); return 1; } void TeaManager::Show() { int i; if (Teatop == 0) { cout << "记录为空!" << endl; return; } for (i = 0; i < Teatop; i++) Tea[i].Output(); } void TeaManager::Edit() { Teacher t1; int j, n; cout << "请输入要编辑的人的编号:"; cin >> n; for (j = 0; j < Teatop; j++) { if (n == Tea[j].num) break; } if (j == Teatop) { cout << "没有此人!" << endl; return; }; cout << "输入修改后的信息,编号不能改:" << endl; t1.Input(); Tea[j] = t1; cout << "编辑成功!" << endl; } int TeaManager::Delete() { int j, n; cout << "请输入要删除的人的编号:"; cin >> n; for (j = 0; j < Teatop; j++) { if (n == Tea[j].num) break; } if (j == Teatop) { cout << "没有此人!" << endl; return 0; }; for (j; j < Teatop; j++) { Tea[j] = Tea[j + 1]; } Teatop--; cout << "删除成功!" << endl; return 1; } void TeaManager::Save() { int i; ofstream outfile, outfile1; outfile1.open("Teatop.dat", ios::out); outfile1 << Teatop; outfile.open("Tea_data.dat", ios::binary); if (!outfile) { cerr << "open error!" << endl; return; } for (i = 0; i < Teatop; i++) outfile.write((char*)&Tea[i], sizeof(Tea[i])); outfile.close(); cout << "保存成功!" << endl; } void TeaManager::Read() { int i; ifstream infile, infile1; infile1.open("Teatop.dat", ios::in); infile1 >> Teatop; infile.open("Tea_data.dat", ios::binary); if (!infile) { cerr << "open error!" << endl; return; } for (i = 0; i < Teatop; i++) infile.read((char*)&Tea[i], sizeof(Tea[i])); infile.close(); cout << "读取成功!" << endl; } void TeaManager::count() { Calculate::calc(); } void Tea_mune(TeaManager& TM) { int b; char c; do { cout << "教师管理" << endl; cout << "==========================================================================================" << endl; cout << "1.添加 "; cout << "2.查询 "; cout << "3.显示 "; cout << "4.编辑 "; cout << "5.删除 "; cout << "6.统计 "; cout << "7.保存 "; cout << "8.读取 "; cout << "0.退出 |" << endl; cout << "==========================================================================================" << endl; cout << "请选择:"; cin >> b; switch (b) { case 1:TM.Add(); break; case 2:TM.Search(); break; case 3:TM.Show(); break; case 4:TM.Edit(); break; case 5:TM.Delete(); break; case 6:TM.count(); break; case 7:TM.Save(); break; case 8:TM.Read(); break; default:cout << "\n error" << endl; break; case 0:break; } cout << "按回车键继续" << endl; system("pause"); c = getchar(); system("cls"); } while (b != 0); } void Calculate::calc() { // int j1 = 0, j2 = 0; // i = Teatop // for (i = 0; i < Teaptop; i++) // { // if (strcmp(Teap[i].sex, "F") == 0) // j2++; // else // j1++; // } // cout << "总人数: " << i << endl; } int main() { TeaManager Tmer1; //TestManager Tetmer; //PolicerManager Polimer; //TeaPolicerManager TeaPolimer; int a = 1, m = 0; char c; cout << " *************************************"; cout << endl << " $ 高校人员管理系统 $" << endl; cout << " *************************************"; cout << endl << "请输入密码:"; cin >> m; if (m != 666) { cout << "密码错误!" << endl; system("pause"); c = getchar(); return 0; } while (a) { system("cls"); cout << endl; cout << " ****欢迎使用高校人员信息管理系统****" << endl; cout << " =================================" << endl; cout << " | 1.教师管理 |" << endl; cout << " | 2.实验员管理 |" << endl; cout << " | 3.行政员管理 |" << endl; cout << " | 4.教师兼行政员管理 |" << endl; cout << " | 0.退出 |" << endl; cout << " =================================" << endl; cout << "请选择:"; cin >> a; switch (a) { case 1:Tea_mune(Tmer1); break; //case 2:Test_mune(Tetmer); break; //case 3:Policers_mune(Polimer); break; //case 4:TeaPolicers_mune(TeaPolimer); break; case 0:break; default:cout << "\n error" << endl; cout << "按回车键继续" << endl; system("pause"); c = getchar(); break; } } cout << endl << "谢谢使用" << endl; system("pause"); c = getchar(); return 0; }
因为我这边编译不过去,我注释了一部分代码。关于你说的调用calc函数的问题,因为是继承关系,可以直接调用的calc();或者加上类名Calculate::calc();就可以了。
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