请教关于PHP购物车代码的数据库表和字段
1个回答
2016-12-24 · 知道合伙人互联网行家
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PHP Code
<div id="products-wrapper">
<h1>Products</h1>
<div class="products">
<?php
//current URL of the Page. cart_update.php redirects back to this URL
$current_url = base64_encode($url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
$results = $mysqli->query("SELECT * FROM cart ORDER BY id ASC");
if ($results) {
//fetch results set as object and output HTML
while($obj = $results->fetch_object())
{
echo '<div class="product">';
echo '<form method="post" action="cart_update.php">';
echo '<div class="product-thumb"><img src="images/'.$obj->product_img_name.'"></div>';
echo '<div class="product-content"><h3>'.$obj->product_name.'</h3>';
echo '<div class="product-desc">'.$obj->product_desc.'</div>';
echo '<div class="product-info">';
echo 'Price '.$currency.$obj->price.' | ';
echo 'Qty <input type="text" name="product_qty" value="1" size="3" />';
echo '<button class="add_to_cart">Add To Cart</button>';
echo '</div></div>';
echo '<input type="hidden" name="product_code" value="'.$obj->product_code.'" />';
echo '<input type="hidden" name="type" value="add" />';
echo '<input type="hidden" name="return_url" value="'.$current_url.'" />';
echo '</form>';
echo '</div>';
}
}
?>
</div>
<div class="shopping-cart">
<h2>Your Shopping Cart</h2>
<?php
if(isset($_SESSION["products"]))
{
$total = 0;
echo '<ol>';
foreach ($_SESSION["products"] as $cart_itm)
{
echo '<li class="cart-itm">';
echo '<span class="remove-itm"><a href="cart_update.php?removep='.$cart_itm["code"].'&return_url='.$current_url.'">×</a></span>';
echo '<h3>'.$cart_itm["name"].'</h3>';
echo '<div class="p-code">P code : '.$cart_itm["code"].'</div>';
echo '<div class="p-qty">Qty : '.$cart_itm["qty"].'</div>';
echo '<div class="p-price">Price :'.$currency.$cart_itm["price"].'</div>';
echo '</li>';
$subtotal = ($cart_itm["price"]*$cart_itm["qty"]);
$total = ($total + $subtotal);
}
echo '</ol>';
echo '<span class="check-out-txt"><strong>Total : '.$currency.$total.'</strong> <a href="view_cart.php">Check-out!</a></span>';
echo '<span class="empty-cart"><a href="cart_update.php?emptycart=1&return_url='.$current_url.'">Empty Cart</a></span>';
}else{
echo 'Your Cart is empty';
}
?>
</div>
cart_update.php
PHP Code
<?php
session_start();
include_once("config.php");
//empty cart by distroying current session
if(isset($_GET["emptycart"]) && $_GET["emptycart"]==1)
{
$return_url = base64_decode($_GET["return_url"]); //return url
session_destroy();
header('Location:'.$return_url);
}
//add item in shopping cart
if(isset($_POST["type"]) && $_POST["type"]=='add')
{
$product_code = filter_var($_POST["product_code"], FILTER_SANITIZE_STRING); //product code
$product_qty = filter_var($_POST["product_qty"], FILTER_SANITIZE_NUMBER_INT); //product code
$return_url = base64_decode($_POST["return_url"]); //return url
//limit quantity for single product
if($product_qty > 10){
die('<div align="center">This demo does not allowed more than 10 quantity!<br /><a href="http://sanwebe.com/assets/paypal-shopping-cart-integration/">Back To Products</a>.</div>');
}
//MySqli query - get details of item from db using product code
$results = $mysqli->query("SELECT product_name,price FROM cart WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
if ($results) { //we have the product info
//prepare array for the session variable
$new_product = array(array('name'=>$obj->product_name, 'code'=>$product_code, 'qty'=>$product_qty, 'price'=>$obj->price));
if(isset($_SESSION["products"])) //if we have the session
{
$found = false; //set found item to false
foreach ($_SESSION["products"] as $cart_itm) //loop through session array
{
if($cart_itm["code"] == $product_code){ //the item exist in array
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$product_qty, 'price'=>$cart_itm["price"]);
$found = true;
}else{
//item doesn't exist in the list, just retrive old info and prepare array for session var
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$cart_itm["qty"], 'price'=>$cart_itm["price"]);
}
}
if($found == false) //we didn't find item in array
{
//add new user item in array
$_SESSION["products"] = array_merge($product, $new_product);
}else{
//found user item in array list, and increased the quantity
$_SESSION["products"] = $product;
}
}else{
//create a new session var if does not exist
$_SESSION["products"] = $new_product;
}
}
//redirect back to original page
header('Location:'.$return_url);
}
//remove item from shopping cart
if(isset($_GET["removep"]) && isset($_GET["return_url"]) && isset($_SESSION["products"]))
{
$product_code = $_GET["removep"]; //get the product code to remove
$return_url = base64_decode($_GET["return_url"]); //get return url
foreach ($_SESSION["products"] as $cart_itm) //loop through session array var
{
if($cart_itm["code"]!=$product_code){ //item does,t exist in the list
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$cart_itm["qty"], 'price'=>$cart_itm["price"]);
}
//create a new product list for cart
$_SESSION["products"] = $product;
}
//redirect back to original page
header('Location:'.$return_url);
}
?>
view_cart.php
PHP Code
<div class="view-cart">
<?php
$current_url = base64_encode($url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
if(isset($_SESSION["products"]))
{
$total = 0;
echo '<form method="post" action="paypal-express-checkout/process.php">';
echo '<ul>';
$cart_items = 0;
foreach ($_SESSION["products"] as $cart_itm)
{
$product_code = $cart_itm["code"];
$results = $mysqli->query("SELECT product_name,product_desc, price FROM cart WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
echo '<li class="cart-itm">';
echo '<span class="remove-itm"><a href="cart_update.php?removep='.$cart_itm["code"].'&return_url='.$current_url.'">×</a></span>';
echo '<div class="p-price">'.$currency.$obj->price.'</div>';
echo '<div class="product-info">';
echo '<h3>'.$obj->product_name.' (Code :'.$product_code.')</h3> ';
echo '<div class="p-qty">Qty : '.$cart_itm["qty"].'</div>';
echo '<div>'.$obj->product_desc.'</div>';
echo '</div>';
echo '</li>';
$subtotal = ($cart_itm["price"]*$cart_itm["qty"]);
$total = ($total + $subtotal);
echo '<input type="hidden" name="item_name['.$cart_items.']" value="'.$obj->product_name.'" />';
echo '<input type="hidden" name="item_code['.$cart_items.']" value="'.$product_code.'" />';
echo '<input type="hidden" name="item_desc['.$cart_items.']" value="'.$obj->product_desc.'" />';
echo '<input type="hidden" name="item_qty['.$cart_items.']" value="'.$cart_itm["qty"].'" />';
$cart_items ++;
}
echo '</ul>';
echo '<span class="check-out-txt">';
echo '<strong>Total : '.$currency.$total.'</strong> ';
echo '</span>';
echo '</form>';
}else{
echo 'Your Cart is empty';
}
?>
</div>
</div>
<div id="products-wrapper">
<h1>Products</h1>
<div class="products">
<?php
//current URL of the Page. cart_update.php redirects back to this URL
$current_url = base64_encode($url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
$results = $mysqli->query("SELECT * FROM cart ORDER BY id ASC");
if ($results) {
//fetch results set as object and output HTML
while($obj = $results->fetch_object())
{
echo '<div class="product">';
echo '<form method="post" action="cart_update.php">';
echo '<div class="product-thumb"><img src="images/'.$obj->product_img_name.'"></div>';
echo '<div class="product-content"><h3>'.$obj->product_name.'</h3>';
echo '<div class="product-desc">'.$obj->product_desc.'</div>';
echo '<div class="product-info">';
echo 'Price '.$currency.$obj->price.' | ';
echo 'Qty <input type="text" name="product_qty" value="1" size="3" />';
echo '<button class="add_to_cart">Add To Cart</button>';
echo '</div></div>';
echo '<input type="hidden" name="product_code" value="'.$obj->product_code.'" />';
echo '<input type="hidden" name="type" value="add" />';
echo '<input type="hidden" name="return_url" value="'.$current_url.'" />';
echo '</form>';
echo '</div>';
}
}
?>
</div>
<div class="shopping-cart">
<h2>Your Shopping Cart</h2>
<?php
if(isset($_SESSION["products"]))
{
$total = 0;
echo '<ol>';
foreach ($_SESSION["products"] as $cart_itm)
{
echo '<li class="cart-itm">';
echo '<span class="remove-itm"><a href="cart_update.php?removep='.$cart_itm["code"].'&return_url='.$current_url.'">×</a></span>';
echo '<h3>'.$cart_itm["name"].'</h3>';
echo '<div class="p-code">P code : '.$cart_itm["code"].'</div>';
echo '<div class="p-qty">Qty : '.$cart_itm["qty"].'</div>';
echo '<div class="p-price">Price :'.$currency.$cart_itm["price"].'</div>';
echo '</li>';
$subtotal = ($cart_itm["price"]*$cart_itm["qty"]);
$total = ($total + $subtotal);
}
echo '</ol>';
echo '<span class="check-out-txt"><strong>Total : '.$currency.$total.'</strong> <a href="view_cart.php">Check-out!</a></span>';
echo '<span class="empty-cart"><a href="cart_update.php?emptycart=1&return_url='.$current_url.'">Empty Cart</a></span>';
}else{
echo 'Your Cart is empty';
}
?>
</div>
cart_update.php
PHP Code
<?php
session_start();
include_once("config.php");
//empty cart by distroying current session
if(isset($_GET["emptycart"]) && $_GET["emptycart"]==1)
{
$return_url = base64_decode($_GET["return_url"]); //return url
session_destroy();
header('Location:'.$return_url);
}
//add item in shopping cart
if(isset($_POST["type"]) && $_POST["type"]=='add')
{
$product_code = filter_var($_POST["product_code"], FILTER_SANITIZE_STRING); //product code
$product_qty = filter_var($_POST["product_qty"], FILTER_SANITIZE_NUMBER_INT); //product code
$return_url = base64_decode($_POST["return_url"]); //return url
//limit quantity for single product
if($product_qty > 10){
die('<div align="center">This demo does not allowed more than 10 quantity!<br /><a href="http://sanwebe.com/assets/paypal-shopping-cart-integration/">Back To Products</a>.</div>');
}
//MySqli query - get details of item from db using product code
$results = $mysqli->query("SELECT product_name,price FROM cart WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
if ($results) { //we have the product info
//prepare array for the session variable
$new_product = array(array('name'=>$obj->product_name, 'code'=>$product_code, 'qty'=>$product_qty, 'price'=>$obj->price));
if(isset($_SESSION["products"])) //if we have the session
{
$found = false; //set found item to false
foreach ($_SESSION["products"] as $cart_itm) //loop through session array
{
if($cart_itm["code"] == $product_code){ //the item exist in array
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$product_qty, 'price'=>$cart_itm["price"]);
$found = true;
}else{
//item doesn't exist in the list, just retrive old info and prepare array for session var
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$cart_itm["qty"], 'price'=>$cart_itm["price"]);
}
}
if($found == false) //we didn't find item in array
{
//add new user item in array
$_SESSION["products"] = array_merge($product, $new_product);
}else{
//found user item in array list, and increased the quantity
$_SESSION["products"] = $product;
}
}else{
//create a new session var if does not exist
$_SESSION["products"] = $new_product;
}
}
//redirect back to original page
header('Location:'.$return_url);
}
//remove item from shopping cart
if(isset($_GET["removep"]) && isset($_GET["return_url"]) && isset($_SESSION["products"]))
{
$product_code = $_GET["removep"]; //get the product code to remove
$return_url = base64_decode($_GET["return_url"]); //get return url
foreach ($_SESSION["products"] as $cart_itm) //loop through session array var
{
if($cart_itm["code"]!=$product_code){ //item does,t exist in the list
$product[] = array('name'=>$cart_itm["name"], 'code'=>$cart_itm["code"], 'qty'=>$cart_itm["qty"], 'price'=>$cart_itm["price"]);
}
//create a new product list for cart
$_SESSION["products"] = $product;
}
//redirect back to original page
header('Location:'.$return_url);
}
?>
view_cart.php
PHP Code
<div class="view-cart">
<?php
$current_url = base64_encode($url="http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
if(isset($_SESSION["products"]))
{
$total = 0;
echo '<form method="post" action="paypal-express-checkout/process.php">';
echo '<ul>';
$cart_items = 0;
foreach ($_SESSION["products"] as $cart_itm)
{
$product_code = $cart_itm["code"];
$results = $mysqli->query("SELECT product_name,product_desc, price FROM cart WHERE product_code='$product_code' LIMIT 1");
$obj = $results->fetch_object();
echo '<li class="cart-itm">';
echo '<span class="remove-itm"><a href="cart_update.php?removep='.$cart_itm["code"].'&return_url='.$current_url.'">×</a></span>';
echo '<div class="p-price">'.$currency.$obj->price.'</div>';
echo '<div class="product-info">';
echo '<h3>'.$obj->product_name.' (Code :'.$product_code.')</h3> ';
echo '<div class="p-qty">Qty : '.$cart_itm["qty"].'</div>';
echo '<div>'.$obj->product_desc.'</div>';
echo '</div>';
echo '</li>';
$subtotal = ($cart_itm["price"]*$cart_itm["qty"]);
$total = ($total + $subtotal);
echo '<input type="hidden" name="item_name['.$cart_items.']" value="'.$obj->product_name.'" />';
echo '<input type="hidden" name="item_code['.$cart_items.']" value="'.$product_code.'" />';
echo '<input type="hidden" name="item_desc['.$cart_items.']" value="'.$obj->product_desc.'" />';
echo '<input type="hidden" name="item_qty['.$cart_items.']" value="'.$cart_itm["qty"].'" />';
$cart_items ++;
}
echo '</ul>';
echo '<span class="check-out-txt">';
echo '<strong>Total : '.$currency.$total.'</strong> ';
echo '</span>';
echo '</form>';
}else{
echo 'Your Cart is empty';
}
?>
</div>
</div>
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