Flie遍歷文件夾下的文件名

#include <iostream> 
#include <io.h> // _findfirst

using namespace std;

int main(int argc, char* argv[]) 
{ 
char filespec[BUFSIZ]; 
struct _finddata_t fileinfo; 
intptr_t filehandle;

if (argc == 1) 
{ 
cout << "Usage: " << argv[0] << " directory" << endl; 
exit(0); 
} 
sprintf(filespec, "%s\\*.txt", argv[1]); // 指定查找的目錄下的文本文件*.txt 
filehandle = _findfirst(filespec, &fileinfo); 
if (filehandle != -1) 
{ 
do 
{ 
cout << fileinfo.name << endl; // 輸出文件名 
} while(_findnext(filehandle, &fileinfo) != -1); // 遍歷此目錄下所有文件 
_findclose(filehandle); 
} 
return 0; 
}