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874天前<?php |
// +---------------------------------------------------------------------- |
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ] |
// +---------------------------------------------------------------------- |
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved. |
// +---------------------------------------------------------------------- |
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
// +---------------------------------------------------------------------- |
// | Author: ToniLiu <cniiliuqi@126.com> |
// +---------------------------------------------------------------------- |
// $Id: Cart.class.php ToniLiu $ |
/** |
+------------------------------------------------------------------------------ |
* Cart实现类 |
+------------------------------------------------------------------------------ |
* @category Think |
* @package Think |
* @subpackage Util |
* @author ToniLiu <cniiliuqi@126.com> |
* @version $Id: Cart.class.php |
+------------------------------------------------------------------------------ |
*/ |
class Cart{ |
//THINKPHP_MODLE |
private $model; |
|
private $user_cart; |
public function __construct(){ |
|
$this->model = D("Item"); |
$this->user_cart = new Model(); |
|
if(!$_SESSION['cart']){ |
$_SESSION['cart'] = array(); |
$_SESSION['cart']['goods_list'] = array(); |
$_SESSION['cart']['total_num'] = 0; |
$_SESSION['cart']['total_price'] = 0.00; |
//如果是已经登录的用户 |
if($_SESSION['ucenter']['user_id']){ |
$user_cart_result = $this->user_cart->query("select cart_id,user_id,item_id,item_name,volume,market_price,price,item_sn from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']); |
foreach ($user_cart_result as $value){ |
$_SESSION['cart']['goods_list'][$value['item_id']] = array( |
'item_id' => $value['item_id'], |
'item_name' => $value['item_name'], |
'volume' => $value['volume'], |
'price' => $value['price'], |
'market_price' => $value['market_price'], |
'item_sn' =>$value['item_sn'] |
); |
$_SESSION['cart']['total_price'] = $_SESSION['cart']['total_price'] + $value['price']; |
$_SESSION['cart']['total_num'] = $_SESSION['cart']['total_num'] + 1; |
} |
} |
} |
else{ |
//如果是已经登录的用户 |
if($_SESSION['ucenter']['user_id']){ |
|
foreach($_SESSION['cart']['goods_list'] as $goods_value){ |
$user_cart_result = $this->user_cart->query("select cart_id,item_id from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']." limit 1"); |
if(!$user_cart_result[0]){ |
$this->user_cart->execute("INSERT INTO `zhongyoupl`.`biz_cart` (`cart_id`, `user_id`, `user_name`, `session_id`, `item_id`, `item_sn`, `item_name`, `volume`, `market_price`, `price`, `discount`, `quantity`, `amount`, `create_time`, `date_line`) VALUES (NULL, '".$_SESSION['ucenter']['user_id']."', '".$_SESSION['ucenter']['user_name']."', '".session_id()."', '".$goods_value['item_id']."', '".$goods_value['item_sn']."', '".$goods_value['item_name']."', '".$goods_value['volume']."', '".$goods_value['market_price']."', '".$goods_value['price']."', '0', '0', '0', '".date("Y-m-d H:i:s")."', '".time()."');"); |
} |
} |
|
//清空SESSION购物车信息 |
$_SESSION['cart']['total_price'] = 0; |
$_SESSION['cart']['total_num'] = 0; |
|
//根据用户的购物车信息，重构SESSION中的购物车信息 |
$this->user_cart = new Model(); |
$user_cart_result = $this->user_cart->query("select cart_id,user_id,item_id,item_name,volume,market_price,price,item_sn from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']); |
foreach ($user_cart_result as $value){ |
$_SESSION['cart']['goods_list'][$value['item_id']] = array( |
'item_id' => $value['item_id'], |
'item_name' => $value['item_name'], |
'volume' => $value['volume'], |
'price' => $value['price'], |
'market_price' => $value['market_price'], |
'item_sn' =>$value['item_sn'] |
); |
$_SESSION['cart']['total_price'] = $_SESSION['cart']['total_price'] + $value['price']; |
$_SESSION['cart']['total_num'] = $_SESSION['cart']['total_num'] + 1; |
} |
} |
} |
} |
//添加单个商品到购物车 |
public function add_goods($goods_id){ |
|
$goods_id = $goods_id * 1; |
|
if($goods_id){ |
if($this->model->find($goods_id)){ |
if($this->model->status != 5){ |
return json_encode(array('state_code' => 2,'state_message' => 'This goods is down!')); |
} |
$tmp_price = $this->model->price; |
if((int)$tmp_price){ |
if(!$_SESSION['cart']['goods_list'][$this->model->item_id]){ |
$_SESSION['cart']['goods_list'][$this->model->item_id] = array( |
'item_id' => $this->model->item_id, |
'item_name' => $this->model->item_name, |
'volume' => $this->model->volume, |
'price' => $this->model->price, |
'market_price' => $this->model->market_price, |
'item_sn' => $this->model->item_sn |
); |
$_SESSION['cart']['total_price'] = $_SESSION['cart']['total_price'] + $this->model->price; |
$_SESSION['cart']['total_num'] = $_SESSION['cart']['total_num'] + 1; |
//如果是登录用户,记录到biz_cart表中 |
if($_SESSION['ucenter']['user_id']){ |
|
$user_cart_result = $this->user_cart->query("select cart_id,item_id from biz_cart where user_id = ".$this->model->item_id." limit 1"); |
if(!$user_cart_result[0]){ |
|
$this->user_cart->execute("INSERT INTO `zhongyoupl`.`biz_cart` (`cart_id`, `user_id`, `user_name`, `session_id`, `item_id`, `item_sn`, `item_name`, `volume`, `market_price`, `price`, `discount`, `quantity`, `amount`, `create_time`, `date_line`) VALUES (NULL, '".$_SESSION['ucenter']['user_id']."', '".$_SESSION['ucenter']['user_name']."', '".session_id()."', '".$this->model->item_id."', '".$this->model->item_sn."', '".$this->model->item_name."', '".$this->model->volume."', '".$this->model->market_price."', '".$this->model->price."', '0', '0', '0', '".date("Y-m-d H:i:s")."', '".time()."');"); |
return json_encode(array('state_code' => 5,'state_message' => 'add Ok and insert to db!')); |
} |
} |
} |
else{ |
return json_encode(array('state_code' => 3,'state_message' => 'This goods is at cart!')); |
} |
} |
else{ |
return json_encode(array('state_code' => 1,'state_message' => 'price is zero')); |
} |
} |
else{ |
return json_encode(array('state_code' => 9,'state_message' => "Don't find item!")); |
} |
} |
else{ |
return json_encode(array('state_code' => 0,'state_message' => 'item_id is null')); |
} |
} |
|
//从购物车删除单个商品 |
public function delete_goods($goods_id){ |
$goods_id = $goods_id * 1; |
if($goods_id){ |
if($_SESSION['cart']['goods_list'][$goods_id]){ |
$_SESSION['cart']['total_price'] = $_SESSION['cart']['total_price'] - $_SESSION['cart']['goods_list'][$goods_id]['price']; |
$_SESSION['cart']['total_num'] = $_SESSION['cart']['total_num'] - 1; |
unset($_SESSION['cart']['goods_list'][$goods_id]); |
|
if($_SESSION['ucenter']['user_id']){ |
$user_cart_result = $this->user_cart->query("select cart_id,item_id from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']." and item_id = $goods_id limit 1"); |
if($user_cart_result[0]){ |
$this->user_cart->execute("delete from biz_cart where cart_id = ".$user_cart_result[0]['cart_id']." limit 1"); |
} |
} |
return json_encode(array('state_code' => 11,'state_message' => '商品删除成功!')); |
} |
else{ |
return json_encode(array('state_code' => 12,'state_message' => '在购物车中没有找到该商品!')); |
} |
} |
else{ |
return json_encode(array('state_code' => 0,'state_message' => 'item_id is null')); |
} |
} |
|
//从购物车批量删除商品 |
public function delete_batch_goods($goods_id_string){ |
$goods_id_arr = explode(',',$goods_id_string); |
if(sizeof($goods_id_arr)){ |
foreach ($goods_id_arr as $goods_id){ |
$goods_id = $goods_id * 1; |
if($_SESSION['cart']['goods_list'][$goods_id]){ |
$_SESSION['cart']['total_price'] = $_SESSION['cart']['total_price'] - $_SESSION['cart']['goods_list'][$goods_id]['price']; |
$_SESSION['cart']['total_num'] = $_SESSION['cart']['total_num'] - 1; |
unset($_SESSION['cart']['goods_list'][$goods_id]); |
//如果登录了，同时删除biz_cart中该用户的信息 |
if($_SESSION['ucenter']['user_id']){ |
$user_cart_result = $this->user_cart->query("select cart_id,item_id from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']." and item_id = $goods_id limit 1"); |
if($user_cart_result[0]){ |
$this->user_cart->execute("delete from biz_cart where cart_id = ".$user_cart_result[0]['cart_id']." limit 1"); |
} |
} |
} |
} |
return json_encode(array('state_code' => 11,'state_message' => '商品批量删除成功!')); |
} |
else{ |
return json_encode(array('state_code' => 13,'state_message' => '参数错误!')); |
} |
} |
|
//清空购物车 |
public function empty_cart(){ |
unset($_SESSION['cart']); |
if($_SESSION['ucenter']['user_id']){ |
$this->user_cart->execute("delete from biz_cart where user_id = ".$_SESSION['ucenter']['user_id']); |
} |
return json_encode(array('state_code' => 14,'state_message' => '清空购物车成功!')); |
} |
|
//输出购物车信息 |
public function return_cart_info(){ |
return $_SESSION['cart']; |
} |
|
} |
?> |
