我正在努力将 cookie 添加到我现有的登录表单中。这是我到目前为止所拥有的：
登录.php
<?php require_once('../../Connections/connBoekengidsv2.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
if (PHP_VERSION < 6) {
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
}
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
}
// Hash Password field
if (isset($_POST['paswoord']) && $_POST['paswoord'] <> ""){$_POST['paswoord'] = md5($_POST['paswoord']);}
?>
<?php
// *** Validate request to login to this site.
if (!isset($_SESSION)) {
session_start();
$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
}
if (isset($_POST['login'])) {
$loginUsername=$_POST['login'];
$password=$_POST['paswoord'];
$MM_fldUserAuthorization = "";
$MM_redirectLoginSuccess = "index.php";
$MM_redirectLoginFailed = "login.php?error=Foutieve+login";
$MM_redirecttoReferrer = true;
mysql_select_db($database_connBoekengidsv2, $connBoekengidsv2);
$LoginRS__query=sprintf("SELECT login, paswoord FROM tbl_login_boekengids WHERE login=%s AND paswoord=%s",
GetSQLValueString($loginUsername, "text"), GetSQLValueString($password, "text"));
$LoginRS = mysql_query($LoginRS__query, $connBoekengidsv2) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = "";
if (PHP_VERSION >= 5.1) {session_regenerate_id(true);} else {session_regenerate_id();}
//declare two session variables and assign them
$_SESSION['MM_Username'] = $loginUsername;
$_SESSION['MM_UserGroup'] = $loginStrGroup;
if (isset($_SESSION['PrevUrl']) && true) {
$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
}
header("Location: " . $MM_redirectLoginSuccess );
}
else {
header("Location: ". $MM_redirectLoginFailed );
}
}
?>
<!doctype html>
<html><!-- InstanceBegin template="/Templates/basis.dwt.php" codeOutsideHTMLIsLocked="false" -->
<head>
<meta charset="utf-8">
<!-- InstanceBeginEditable name="doctitle" -->
<title>Boekengids: login</title>
<!-- InstanceEndEditable -->
<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<script src="../../jQuery/jquery.min.js"></script>
<script src="../../jQuery/jquery.formalize.min.js"></script>
<script src="../../jQuery/les.js"></script>
<link href="../../style.css" rel="stylesheet" type="text/css">
<!-- InstanceBeginEditable name="head" -->
<!-- InstanceEndEditable -->
</head>
<body>
<div id="outline">
<header id="header">
<h1>Boekengids</h1>
</header>
<nav id="navigatie">
<a href="../../site_ontwerp/index.php">Overzicht boeken</a> |
<?php if ($_SESSION['MM_Username']) { ?>
<a href="../../site_ontwerp/logout.php">Logout</a>
<?php } else { ?>
<a href="../../site_ontwerp/admin/login.php">Login</a>
<?php } ?>
</nav>
<div id="data"> <!-- InstanceBeginEditable name="data" -->
<h1>Admin login</h1>
<p class="error"><?php echo $_GET['error']; ?></p>
<form action="<?php echo $loginFormAction; ?>" name="loginForm" id="loginForm" method="POST">
<p>
<label for="login">Login:</label>
<input type="text" required name="login" id="login" value="<?php echo $_COOKIE['mijnLogin'] ?>">
</p>
<p>
<label for="paswoord">Paswoord:</label>
<input type="password" required name="paswoord" id="paswoord">
</p>
<p>
<label></label>
<input name="Submit" type="submit" value="Login">
</p>
</form>
我读到您无法在同一页面上读取 cookie。它只能在下一页（index.php）上完成。这是我编写 setcookie() 代码行的地方。
索引.php
<?php setcookie('mijnLogin', $_POST['login'], time()+86400*30)?>
<?php
if (!isset($_SESSION)) {
session_start();
}
$MM_authorizedUsers = "";
$MM_donotCheckaccess = "true";
// *** Restrict Access To Page: Grant or deny access to this page
function isAuthorized($strUsers, $strGroups, $UserName, $UserGroup) {
// For security, start by assuming the visitor is NOT authorized.
$isValid = False;
// When a visitor has logged into this site, the Session variable MM_Username set equal to their username.
// Therefore, we know that a user is NOT logged in if that Session variable is blank.
if (!empty($UserName)) {
// Besides being logged in, you may restrict access to only certain users based on an ID established when they login.
// Parse the strings into arrays.
$arrUsers = Explode(",", $strUsers);
$arrGroups = Explode(",", $strGroups);
if (in_array($UserName, $arrUsers)) {
$isValid = true;
}
// Or, you may restrict access to only certain users based on their username.
if (in_array($UserGroup, $arrGroups)) {
$isValid = true;
}
if (($strUsers == "") && true) {
$isValid = true;
}
}
return $isValid;
}
$MM_restrictGoTo = "login.php";
if (!((isset($_SESSION['MM_Username'])) && (isAuthorized("",$MM_authorizedUsers, $_SESSION['MM_Username'], $_SESSION['MM_UserGroup'])))) {
$MM_qsChar = "?";
$MM_referrer = $_SERVER['PHP_SELF'];
if (strpos($MM_restrictGoTo, "?")) $MM_qsChar = "&";
if (isset($_SERVER['QUERY_STRING']) && strlen($_SERVER['QUERY_STRING']) > 0)
$MM_referrer .= "?" . $_SERVER['QUERY_STRING'];
$MM_restrictGoTo = $MM_restrictGoTo. $MM_qsChar . "accesscheck=" .urlencode($MM_referrer);
header("Location: ". $MM_restrictGoTo);
exit;
}
?>
<!doctype html>
<html><!-- InstanceBegin template="
所有这些代码都归因于我添加的服务器行为。我现在想实现一个cookie，这样第二次有人想登录时，用户名就已经填好了。我尝试了几种尝试添加它的方法，但都没有奏效。当它测试它时，cookie 不会被创建。如果我更改 cookie 的名称以读取现有的 cookie，它确实有效。因此，登录代码的某个地方会阻止创建 cookie。