创建多级目录函数
BOOL mkdirEx(const char* lpPath)
{
CString pathname = lpPath;
if(pathname.Right(1) != "\\")
pathname += "\\" ;
int end = pathname.ReverseFind('\\');
int pt = pathname.Find('\\');
if (pathname[pt-1] == ':')
pt = pathname.Find('\\', pt+1);
CString path;
while(pt != -1 && pt<=end)
{
path = pathname.Left(pt+1);
if(_access(path, 0) == -1)
_mkdir(path);
pt = pathname.Find('\\', pt+1);
}
return true;
}