$str="宋1.txt";$str=iconv("utf-8", "GBK", $str);//注释掉就会失败$fp = fopen($str, "a");if(fwrite($fp,"losasds")!==false) echo "ok";else echo "fail";fclose($fp);$str="宋1.txt";$str=iconv("utf-8", "GBK", $str);//注释掉就会失败$fp = fopen($str, "a");if(fwrite($fp,"losasds")!==false) echo "ok";else echo "fail";fclose($fp);