我查看了具有相同错误的其他帖子,但是对于我所做的每个表单,我都会收到此错误,其中变量是用户输入。我必须创建一个 2 页的进程注册表单,任何人都可以看到我出错了谢谢:< PHP:
// Connection to server
$db_host = "localhost";
$db_username = "root";
$db_pass = "password";
$db_name = "members";
@mysql_connect ("$db_host","$db_username","$db_pass") or die ("Could not connect to mysql");
@mysql_select_db("$db_name") or die ("No Database");
//Variables
$Username = $_POST['Username'];
$password = md5 ($_POST['password']);
$insert = 'INSERT into Members(Username, password,) VALUES ("'.$Username.'", "' .$password.'")';
mysql_query($insert);
?>
And the form:
<body>
<form method= "post" action="reg.php">
<table width="200" border="1">
<tr>
<td>Username</td>
<td><input type="text" name="Username" /></td>
</tr>
<tr>
<td>Password</td>
<td><input type="password" name"password" /></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" name"submit" value="Submit" /></td>
</tr>
</table>
有人告诉我使用 isset 函数,我这样做确实说变量确实存在。