网页源码 域名指向什么
网页源码 域名指向？
域名指向是指域名将指向某个特定的IP地址，当用户输入域名时，域名会被解析成对应的IP地址，从而访问网页源码。
网页源码 域名指向什么？
域名指向的是指一个网站所在服务器的特定网络地址。它将用户输入的域名（如www.example.com）转换为用户能够访问的IP地址（如123.45.67.89）。
域名源代码
<?php
// Connects to your Database
mysql_connect("your.hostaddress.com", "username", "password") or die(mysql_error());
mysql_select_db("Database_Name") or die(mysql_error());
//Checks if there is a login cookie
if(isset($_COOKIE['ID_your_site']))
//if there is, it logs you in and directes you to the members page
{
$username = $_COOKIE['ID_your_site'];
$pass = $_COOKIE['Key_your_site'];
$check = mysql_query("SELECT * FROM users WHERE username = '$username'")or die(mysql_error());
while($info = mysql_fetch_array( $check ))
{
if ($pass != $info['password'])
{
}
else
{
header("Location: members.php");
}
}
}
//if the login form is submitted
if (isset($_POST['submit'])) { // if form has been submitted
// makes sure they filled it in
if(!$_POST['username'] | !$_POST['pass']) {
die('You did not fill in a required field.');
}
// checks it against the database
if (!get_magic_quotes_gpc()) {
$_POST['email'] = addslashes($_POST['email']);
}
$check = mysql_query("SELECT * FROM users WHERE username = '".$_POST['username']."'")or die(mysql_error());
//Gives error if user dosen't exist
$check2 = mysql_num_rows($check);
if ($check2 == 0) {
die('That user does not exist in our database. <a href=add.php>Click Here to Register</a>');
}
while($info = mysql_fetch_array( $check ))
{
$_POST['pass'] = stripslashes($_POST['pass']);
$info['password'] = stripslashes($info['password']);
$_POST['pass'] = md5($_POST['pass']);
//gives error if the password is wrong
if ($_POST['pass'] != $info['password']) {
die('Incorrect password, please try again.');
}
else
{
// if login is ok then we add a cookie
$_POST['username'] = stripslashes($_POST['username']);
$hour = time() + 3600;
setcookie(ID_your_site, $_POST['username'], $hour);
setcookie(Key_your_site, $_POST['pass'], $hour);
//then redirect them to the members area
header("Location: members.php");
}
}
}
else
// if they are not logged in
{
// if login form has been submitted
if (isset($_POST['submit'])) {
// makes sure they filled it in
if(!$_POST['username'] | !$_POST['pass']) {
die('You did not fill in a required field.');
}
// checks it against the database
if (!get_magic_quotes_gpc()) {
$