mysql_affected_rows的返回值
<br />$result=mysql_query("update user set sex='{$_clean['sex']}',<br /> face='{$_clean['face']}',<br /> qq='{$_clean['qq']}',<br /> email='{$_clean['email']}',<br /> url='{$_clean['url']}'<br /> where username='{$_COOKIE['username']}'",$conn);