php中修正情報出现错误，情報修正不了
页面：
<頭>
error_reporting(E_ALL & ~E_NOTICE);
include_once("../include/conn.php") ;
$com_id=$_GET["com_id"] ;
$mysql="select * from com_table where com_id='$com_id'" ;
$str=mysql_fetch_object(mysql_query($mysql)) ;
$show_number=iconv("gb2312" , "utf-8//IGNORE" , $str->com_number) ;
$show_name=iconv("gb2312" , "utf-8//IGNORE" , $str->com_name) ;
$show_telephone=iconv("gb2312" , "utf-8//IGNORE" , $str->com_telephone) ;
$show_mobile=iconv("gb2312" , "utf-8//IGNORE" , $str->com_mobile) ;
$show_qq=iconv("gb2312" , "utf-8//IGNORE" , $str->com_qq) ;
?>
