#include <iostream>
using namespace std;
void main()
{
char *fname ="c:/2.txt";
char *fname1 ="c:/2ttrtgg.txt";
ofstream fout(fname1,ios::app,iso::ate);
if(!fout)
{
cout<<"如果打开失败"<<endl;]
return;
}
ofstream fout(fname,ios::out);
fout <<"hello world"<<endl; //wrint a file
fout <<"hello world"<<endl;
fout <<"1232424ld"<<endl;
fout <<"hello world"<<endl;
fout.close();
ifstream fin(fname); //一输入的形式打开文件
cout <<"hello..."<<endl;
char ch;
while(fin.get(ch))
{
cout<<ch;
}
system(pause);
return;
}
class teacher
{
public:
private:
int age;
char name[];
teacher()
{
age=30;
strcpy(name,""
teacher（int _age,char *_name）
{
int age;
strcpy(name,_name);
}
void printf()
{
cout<<"name"<<name<<age<<"age"<,endl;
}
}
}
//二进制文件的打开和写入
void main()
{
char *fname1 ="c:/2ttrtgg.dat";
ofstream fout(fname1,ios::binary);
if(!fout)
{
cout<<"如果打开失败"<<endl;]
return;
}
teacher T1(31,t31");
teacher T2(32,"t32");
fout.write((char*)&t1,sizeof(t1))
fout.write((char*)&t2,sizeof(t2));
ifstream fin(fname);
Teacher tmp;
fin.read(char*)&%tmp,aizeof(Teacher));
tmp.printf();
fin.read(char*)&%tmp,aizeof(Teacher));
tmp.printf();
}
