fenglin/bbs/ch_username_sub.php

<?
        require_once "./session_init.inc.php";
        require_once "./reg_check.inc.php";
        require_once "./common_lib.inc.php";
?>
<? 
if ($_SESSION["BBS_uid"]==0)
{
        include "./force_login.inc.php";
        exit();
} 

$permit = false;
if (preg_match("/^[A-Za-z]{3,12}$/",$_SESSION["BBS_username"]))
{
        error_msg ("您无权修改用户名！", true);
        exit();
}

$username=htmlspecialchars(trim($_POST["username"]), ENT_COMPAT | ENT_HTML401, 'UTF-8');
$username=addslashes($username);

if (!preg_match("/^[A-Za-z]{5,12}$/",$username))
{
        error_msg ("用户名填写不正确！", true);
        exit();
}       
if (!check_str($username))
{
        error_msg ("用户名含有系统保留词！", true);
        exit();
}

$db_conn=include "./db_open.inc.php";

$rs=mysql_query("select UID from user_list where username='$username' limit 1");
if (mysql_num_rows($rs)>0)
{
        error_msg ("用户名已存在！", true);
        exit();
}
mysql_free_result($rs);

mysql_query("update user_list set username='$username'".
        " where UID=".$_SESSION["BBS_uid"])
        or die("Update error!");

mysql_close($db_conn);

$_SESSION["BBS_username"] = $username;

header ("Location: main.php");
?>
1	sysadm	1.1	<?
2			require_once "./session_init.inc.php";
3			require_once "./reg_check.inc.php";
4			require_once "./common_lib.inc.php";
5			?>
6			<?
7			if ($_SESSION["BBS_uid"]==0)
8			{
9			include "./force_login.inc.php";
10			exit();
11			}
12
13	sysadm	1.3	$permit = false;
14	sysadm	1.4	if (preg_match("/^[A-Za-z]{3,12}$/",$_SESSION["BBS_username"]))
15	sysadm	1.3	{
16	sysadm	1.6	error_msg ("您无权修改用户名！", true);
17	sysadm	1.3	exit();
18			}
19
20	sysadm	1.6	$username=htmlspecialchars(trim($_POST["username"]), ENT_COMPAT \| ENT_HTML401, 'UTF-8');
21	sysadm	1.1	$username=addslashes($username);
22
23	sysadm	1.4	if (!preg_match("/^[A-Za-z]{5,12}$/",$username))
24	sysadm	1.1	{
25	sysadm	1.6	error_msg ("用户名填写不正确！", true);
26	sysadm	1.1	exit();
27			}
28			if (!check_str($username))
29			{
30	sysadm	1.6	error_msg ("用户名含有系统保留词！", true);
31	sysadm	1.1	exit();
32			}
33
34			$db_conn=include "./db_open.inc.php";
35
36			$rs=mysql_query("select UID from user_list where username='$username' limit 1");
37			if (mysql_num_rows($rs)>0)
38			{
39	sysadm	1.6	error_msg ("用户名已存在！", true);
40	sysadm	1.1	exit();
41			}
42			mysql_free_result($rs);
43
44	sysadm	1.3	mysql_query("update user_list set username='$username'".
45	sysadm	1.1	" where UID=".$_SESSION["BBS_uid"])
46			or die("Update error!");
47
48			mysql_close($db_conn);
49	sysadm	1.3
50			$_SESSION["BBS_username"] = $username;
51
52			header ("Location: main.php");
53	sysadm	1.1	?>
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