遍历文件夹下的文件（按索引编号）

int GetFileIndex()
{
 WIN32_FIND_DATA FindFileData;
 HANDLE hFind;

 string fullpath;
 char pathBuf[MAX_PATH];
 DWORD dw = GetCurrentDirectory(MAX_PATH,pathBuf);
 if (dw == 0)return -1;
 
 strcat(pathBuf,"http://www.cnblogs.com/justinpanrobot/admin/file://temp/"); 
 hFind = FindFirstFile(pathBuf, &FindFileData);
 if (hFind == INVALID_HANDLE_VALUE)
 { 
  bool brel = CreateDirectory(pathBuf,NULL);
  if (!brel)
  {
   printf("%s","创建目录失败");
   return 0;
  }
 }  
 char tempBuf[MAX_PATH];
 strcpy(tempBuf,pathBuf);
 char fileBuf[30]="";
 int index = 1; 
 while (true)
 { 
  strcpy(pathBuf,tempBuf);
  sprintf_s(fileBuf,"http://www.cnblogs.com/justinpanrobot/admin/file://dtmp%25d.xls%22,index/);
  strcat(pathBuf,fileBuf); 
  hFind = FindFirstFile(pathBuf,&FindFileData);
  if (hFind == INVALID_HANDLE_VALUE)
   return index;
  index++; 

 } 

 return 0;
}