#include<iostream>
#include<fstream>
using namespace std;
int main()
{
ifstream inFile;
ofstream outFile;
char fileName[81],ch,line[1024],a[1000];
int i=0,j=1;
cout<<"请输入文件名:";
cin>>fileName;
inFile.open(fileName);
outFile.open("D:test.txt");
if(!inFile)
{
cout<<"文件打开失败";
exit(0);
}
while(inFile.getline(line,1024))
{
j++;
}
cout<<j<<"行"<<endl;
if(j<=10)
{
inFile.clear();
inFile.seekg(0,ios::beg);
while(! inFile.eof())
{
inFile.get(ch);
if(inFile.fail())
break;
cout<<ch;
}
cout<<"已完成文件的显示！";
inFile.close();
}
else
{
inFile.clear();
inFile.seekg(0,ios::beg);
while(inFile.getline(a,1000))
{
if(i<10)
{cout<<a<<endl;
i++;
}
}
cout<<"已显示完毕";
inFile.close();
}
system("pause");
return 0;
}
