#include<iostream.h>
#include<fstream.h>
int main()
{
ifstream in;
in.open("E:\heisha",ios::nocreate);
if(in.fail())
cout<<"文件不存在!"<<endl;
in.close();
return 0;
}
#include<iostream.h>
#include<fstream.h>
int main()
{
ifstream in;
in.open("E:\heisha",ios::nocreate);
if(in.fail())
cout<<"文件不存在!"<<endl;
in.close();
return 0;
}