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תגובות

טפסי כניסה ויציאה וחנות

פתח phpon ,
<?php

session_start();
define( "USERNAME", "john" );
define( "PASSWORD", "secret" );

if ( isset( $_POST["login"] ) ) {
  login();
} elseif ( isset( $_GET["action"] ) and $_GET["action"] == "logout" ) {
  logout();
}  elseif ( isset( $_SESSION["username"] ) ) {
  displayPage();
} else {
  displayLoginForm();
}

function login() {
  if ( isset( $_POST["username"] ) and isset( $_POST["password"] ) ) {
    if ( $_POST["username"] == USERNAME and $_POST["password"] == PASSWORD ) {
    $_SESSION["username"] == USERNAME;
    session_write_close();
    header( "Location: login.php" );
  } else {
  displayLoginForm( "Sorry, that username/password could not be found. Please
try again." );
    }
  }
}

function logout() {
  unset( $_SESSION["username"] );
  session_write_close();
  header( "Location: login.php" );
}

function displayPage() {
  displayPageHeader();
?>
<p> Welcome,<strong><?php echo $_SESSION["username"] ?></strong> ! You are
currently logged in. </p>
<p><a href="login.php?action=logout">Logout</a></p>
  </body>
</html>
<?php
}


function displayLoginForm( $message="" ) {
  displayPageHeader();
?>
    <?php if ( $message ) echo '<p class="error">'.$message . '</p>' ?>
 
  <form action="login.php" method="post">
    <div style="width: 30em;">
      <label for="username">UserName</label>
      <input type="text"name="username"id="username"value=""/>
      <label for="password">Password</label>
      <input type="password"name="password"id="password"value=""/>
      <div style="clear:both;">
      <input type="submit" name="login" value="Login" />
      </div>
    </div>
  </form>
  </body>
</html>
<?php
}

function displayPageHeader() {
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Membership Form</title>
<link rel="stylesheet" type="text/css" href="common.css" />
<style type="text/css">
 .error {background: #d33; color: white; padding: 0.2em;}
</style>
</head>
<body>
    <h1>A login/logout system</h1>
 
<?php
}
?>


לא נותן לי תאפשרות לצאת.
<?php
session_start();

class Product {
  private $productId;
  private $productName;
  private $price;
 
  public function __construct( $productId, $productName, $price ) {
    $this->productId = $productId;
  $this->productName = $productName;
  $this->price = $price;
  }
 
  public function getId() {
    return $this->productId;
  }
 
  public function getName() {
    return $this->productName;
  }
 
  public function getPrice() {
    return $this->price; 
  }
}

$products = array(
1 => new Product( 1, "superWidget", 19.99 ),
2 => new Product( 2, "megaWidget", 29.99 ),
3 => new Product( 3, "wonderWidget", 39.99 ) 
);

if ( !isset( $_SEESION["cart"] ) ) $_SESSION["cart"] = array();

if ( isset( $_GET["action"] ) and $_GET["action"] == "addItem" ) {
  addItem();
} elseif ( isset( $_GET["action"] ) and $_GET["action"] == "removeItem" ) {
  removeItem();
} else {
  displayCart();
}

function addItem() {
  global $products;
  if ( isset( $_GET["productId"] ) and $_GET["productId"] >= 1 and $_GET["productId"]  <= 3 ) {
      $productId = (int) $_GET["productId"];
   
    if ( !isset( $_SESSION["cart"][$productId] ) ) {
      $_SESSION["cart"][$productId] = $products[$productId];
  }
  }

  session_write_close();
  header( "Location: shopping_cart.php" );
}

function removeItem() {
    global $products;
    if ( isset( $_GET["productId"] ) and $_GET["productId"] >= 1 and
$_GET["productId"] <= 3 ) {
    $productId = (int) $_GET["productId"];

    if ( isset( $_SESSION["cart"][$productId] ) ) {
      unset( $_SESSION["cart"][$productId] );
  }
  }
 
  session_write_close();
  header( "Loctaion: shopping_cart.php" );
}

function displayCart() {
  global $products;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Membership Form</title>
<link rel="stylesheet" type="text/css" href="common.css" />
</head>
<body>
    <h1>Your Shopping cart</h1>
 
  <dl>
 
<?php
$totalPrice = 0;
foreach ( $_SESSION["cart"] as $product ) {
  $totalPrice += $product->getPrice();  
?>
    <dt><?php echo $product->getName() ?></dt>
  <dd>$<?php echo number_format( $product->getPrice(), 2 ) ?>
  <a href="shopping_cart.php?action=removeItem&productId=<?php echo
$product->getId() ?>">Remove</a></dd>
<?php } ?>
    <dt>Cart Total:</dt>
  <dd><strong>$<?php echo number_format( $totalPrice, 2 ) ?></strong>
 
</dd>
       </dl>
     
     <h1>Product list</h1>
     
     <dl>
<?php foreach ( $products as $product ) { ?>
      <dt><?php echo $product->getName() ?></dt>
    <dd>$<?php echo number_format( $product->getPrice(), 2 ) ?>
    <a href="shopping_cart.php?action=addItem&amp;productId=<?php echo
$product->getId() ?>"> Add Item</a></dd>
<?php } ?>
    </dl>
<?php } ?> 


  </body>
</html>


לא מציג לי את האפשרויות שאפשר לקנות..ולא מעלה את הסל שקנית ואת מה שקניתי.

אין פה שימוש בקבצים/מסד.
בקרוב אני אתחיל לעבוד איתם אבל ביינתים זה מה שיש.. (:
אם יש למישהו יש הצעות איך לתרגל סש/עוגיות עם פוסט אניאשמח להצעות.

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