辅导留学生student 设计、c讲解、解析c语言、C/C++讲解、讲解留学生c语言

#include
#include
#include
#include
using namespace std;
#define M 200 //
int N=0; //
class student
{
public:
student();
void set(); //，
void add(); //
void del(); //
void change(); //
void search(); //
void display(); //
private:
static int num;
string name,sex,politic,address;
};
int student::num=110;

student::student() {}

void student::set()
{
int i;
string setname,setsex,setpolitic,setaddress;
ofstream outfile;
outfile.open("f1.txt",ios::out); //---- ----
if(!outfile)
{
cerr>setname;
name=setname;
if(setname=="0") break;
if(setname!="0")
{
N++;
num++;
outfile>setsex;
sex=setsex;
outfile>setpolitic;
politic=setpolitic;
outfile>setaddress;
address=setaddress;
outfile>addname;
outfile>addsex;
outfile>addpolitic;
outfile>addaddress;
outfile>num[i];
cout>name[i];
cout>sex[i];
cout>politic[i];
cout>address[i];
cout>k;
k=k-1;
infile.close();
ofstream outfile("f1.txt",ios::out);
if(!outfile)
{
cerr>num[i];
cout>name[i];
cout>sex[i];
cout>politic[i];
cout>address[i];
cout>k;
k=k-1;
cout>name[k];
cout>sex[k];
cout>politic[k];
cout>address[k];
for(i=0;i>num[i];a[i]=num[i];
infile>>name[i];b[i][0]=name[i];
infile>>sex[i];b[i][1]=sex[i];
infile>>politic[i];b[i][2]=politic[i];
infile>>address[i];b[i][3]=address[i];
}
cout>ch;
if(ch=='a')
{
cout>n;
for(i=0;i>searchname;
for(i=0;i>num;
cout>name;
cout>sex;
cout>politic;
cout>address;
cout>ch;
while(ch!='0')
{
system("cls");
switch(ch)
{
case '1':stu.set();break;
case '2':stu.add();break;
case '3':stu.del();break;
case '4':stu.change();break;
case '5':stu.search();break;
case '6':stu.display();break;
case '0':cout>ch;
}
}

void menu()
{
cout<<"******************"< cout<<"* 1. *"< cout<<"* 2. *"< cout<<"* 3. *"< cout<<"* 4. *"< cout<<"* 5. *"< cout<<"* 6. *"< cout<<"* 0. *"< cout<<"******************"<}