<a href="http://localhost/DemoShop/controller/cart.php?cartId='<?php echo $val['id'] ?>'">加入购物车</a>
//前端传值
$cartId=$_GET['cartId'];include_once"../models/ShopModel.class.php";$add_cart = new ShopModel();$addCart=$add_cart->addToCart($cartId);@session_start();@$arrayOne=$_SESSION['order'];/*print_r($addCart);*/if($arrayOne==false){ //第一次购买 $arrayOne["$cartId"]=array("id"=>$cartId,"name"=>$addCart["name"],"num"=>1); /*$_SESSION['order']=$arrayOne;*/}else{ //再次购买 if(array_key_exists("$cartId",$arrayOne)==false){ //1.再次购买 买过的 $arrayOne["$cartId"]=array("id"=>$cartId,"name"=>$addCart["name"],"num"=>1); }else{ //2.再次购买 没有买过的 只修改数量 $oldNum=$arrayOne["$cartId"]["num"]; $arrayOne["$cartId"]["num"]=$oldNum+1; }}$_SESSION['order']=$arrayOne;include_once"../view/cartList.php";
转载于:https://www.cnblogs.com/cocotian/p/5056359.html
相关资源：加入购物车代码
