PHP shopping cart implementation code_PHP tutorial

ShopCar.php

Copy code The code is as follows:

class Shopcar
{
//Product list
public $productList=array();
/**
*
* @param unknown_type $product The product passed in
* @return true There is no such product in the shopping cart
*/
public function checkProduct($product)
{
for($i=0 ;$iproductList);$i++ )
{
if($this->productList[$i]['name']==$product['name'] )
return $i;
}
return -1;
}
//Add to cart
public function add($product)
{
$ i=$this->checkProduct($product);
if($i==-1)
array_push($this->productList,$product);
else
$this ->productList[$i]['num']+=$product['num'];
}
//Delete
public function delete($product)
{
$i=$this->checkProduct($product);
if($i!=-1)
array_splice($this->productList,$i,1);
}
//Return all product information
public function show()
{
return $this->productList;
}
}

productList .html

Copy code The code is as follows:

< ;body>

< ;td>Quantity



< td>3
View shopping cart< ;/tr>

Product number	Product name	Price	Purchase
0	Item 1	1		Buy
1	< ;label name='name' >Item 2	2	Buy
2	Item 31		Buy
Item 4	1		Purchase

index.php

Copy code The code is as follows:

require 'Shopcar.class.php';
session_start();
$name=$_POST['name'];
$num=$_POST['num'];
$price=$_POST['price'];
$product=array('name'=>$name,'num'=>$num,'price'=>$price);
print_r($product);
if(isset($_SESSION['shopcar']))
$shopcar=unserialize($_SESSION['shopcar']);
else
$shopcar=new Shopcar();
$shopcar->add($product);
$_SESSION['shopcar']=serialize($shopcar);

show.php

复制代码 代码如下:

require 'Shopcar.class.php';
session_start();
$shopcar=unserialize($_SESSION['shopcar']);
print_r($shopcar);
$productList=$shopcar->productList;
foreach ($productList as $product){
?>

商品编号	商品名称	价格	数量
1			' />

http://www.bkjia.com/PHPjc/324362.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/324362.htmlTechArticleShopCar.php 复制代码 代码如下: ?php class Shopcar { //商品列表 public $productList=array(); /** * * @param unknown_type $product 传进来的商品 * @return true 购物车...