[英]OpenCart - Sending the price from item page while adding item to basket
[英]Adding quantity to basket item is adding a new item
我正在创建一个购物篮,我想要的是,如果再次添加已经在购物篮中的商品,则原始商品的数量将附加1。
相反,当我添加已经在购物篮中的项目时,会添加一个新项目,并且可以通过在原始项目上单击+1追加此新项目的数量。
basket.php
<?php
foreach ($_SESSION["basket"] as $basketItemArray) {
?>
<form role="form" action="includes/functions/create_shopping_cart.php" method="post">
<button type="submit" name="basket-button" class="btn btn-default" value="<?php echo $basketItemArray["item_id"]; ?>"><i class="fa fa-plus" aria-hidden="true"></i></button>
<? echo $basketItemArray["quantity"]; ?>
<button class="btn btn-default"><i class="fa fa-minus" aria-hidden="true"></i></button>
</form>
上面的表格通过+按钮的值发送item_id 。
create_shopping_cart.php
$product_id = $_POST['basket-button'];
$sql = "SELECT * FROM menu WHERE product_id='".$product_id."'";
$result = $connection->query($sql);
$row = $result->fetch_assoc();
if (empty($_SESSION["basket"])) {
$_SESSION["basket"] = array(
array( "item_id"=>$row['product_id'], "item_name"=>$row['name'],"quantity"=>1 , "price"=>$row['price']) );
} else {
// There is already a basket to append to
$current_basket = $_SESSION["basket"];
$found = false;
foreach($_SESSION['basket'] as $product)
{
if($product_id == $product['item_id']) {
$found = true;
break;
}
}
if($found)
{
$_SESSION['basket'][$product_id]['quantity'] ++;
} else {
$new_basket = array(
array( "item_id"=>$row['product_id'], "item_name"=>$row['name'],"quantity"=>1 , "price"=>$row['price']) );
$_SESSION['basket'] = array_merge($current_basket, $new_basket);
}
}
您没有针对/使用篮子中产品的索引。 尝试这个:
$product_id = $_POST['basket-button'];
$sql = "SELECT * FROM menu WHERE product_id='".$product_id."'";
$result = $connection->query($sql);
$row = $result->fetch_assoc();
if (empty($_SESSION["basket"])) {
$_SESSION["basket"] = array(
array( "item_id"=>$row['product_id'], "item_name"=>$row['name'],"quantity"=>1 , "price"=>$row['price']) );
} else {
// There is already a basket to append to
$current_basket = $_SESSION["basket"];
$found = false;
$id = '';
foreach($_SESSION['basket'] as $key=>$product)
{
if($product_id == $product['item_id']) {
$found = true;
$id = $key;
break;
}
}
if($found)
{
$_SESSION['basket'][$id]['quantity']++;
} else {
$new_basket = array(
array( "item_id"=>$row['product_id'], "item_name"=>$row['name'],"quantity"=>1 , "price"=>$row['price']) );
$_SESSION['basket'] = array_merge($current_basket, $new_basket);
}
}
您的代码可以进行更多优化,但现在更重要的是使其正常运行。
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