pouyaa
پنج شنبه 07 اردیبهشت 1385, 09:51 صبح
منم یه خطا دارم به این صورت
Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in W:\www\My\authmain.php on line 9
Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in W:\www\My\authmain.php on line 11
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in W:\www\My\authmain.php on line 12
Home page
Could not log you in
<?php
session_start();
if (isset($HTTP_POST_VARS['userid']) && isset($HTTP_POST_VARS['password']))
{
// if the user has just tried to log in
$userid = $HTTP_POST_VARS['userid'];
$password = $HTTP_POST_VARS['password'];
$db_conn = mysql_connect('localhost', 'webauth', 'webauth').mysql_error();
mysql_select_db('auth', $db_conn).mysql_error();
$query = 'select * from auth '
."where name='$userid' "
." and pass=password('$password')";
$result = mysql_query($query, $db_conn);
if (mysql_num_rows($result) >0 )
{
// if they are in the database register the user id
$HTTP_SESSION_VARS['valid_user'] = $userid;
}
}
?>
<html>
<body>
<h1>Home page</h1>
<?
if (isset($HTTP_SESSION_VARS['valid_user']))
{
echo 'You are logged in as: '.$HTTP_SESSION_VARS['valid_user'].' <br />';
echo '<a href="logout.php">Log out</a><br />';
}
else
{
if (isset($userid))
{
// if they've tried and failed to log in
echo 'Could not log you in';
}
else
{
// they have not tried to log in yet or have logged out
echo 'You are not logged in.<br />';
}
// provide form to log in
echo '<form method="post" action="authmain.php">';
echo '<table>';
echo '<tr><td>Userid:</td>';
echo '<td><input type="text" name="userid"></td></tr>';
echo '<tr><td>Password:</td>';
echo '<td><input type="password" name="password"></td></tr>';
echo '<tr><td colspan="2" align="center">';
echo '<input type="submit" value="Log in"></td></tr>';
echo '</table></form>';
}
?>
<br>
<a href="members_only.php">Members section</a>
</body>
</html>