iApp-v3 删除文件夹

dir.myu

//删除文件
fn delfile(path)
fi(path,isdir)
f(isdir)
{
  fl(path,dir)
  for(dir;dir)
  {
    ss(path+"/"+dir,newpath)
    fn dir.delfile(newpath)
    fd(newpath,del)
  }
  fd(path,del)
}
end fn