//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']); require_once 'class/config.db.php'; require_once 'class/db.php'; $db=new db(); $results = $db->query("SELECT * FROM cart ORDER BY id ASC"); if ($results) {
//fetch results set as object and output HTML while($obj = $db->fetch_object($results)) { echo '
//limit quantity for single product if($product_qty > 10){ die('
This demo does not allowed more than 10 quantity! Back To Products.
'); }
//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); } ?>
回复讨论(解决方案)
你的表单没有提交按钮,且没有给出通过 js 提交的代码 所以任何浏览器都不可能产生表单提交动作
你的表单没有提交按钮,且没有给出通过 js 提交的代码 所以任何浏览器都不可能产生表单提交动作
解决了,是submit的事
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