PHP code implements a shopping cart storage period of 1 day
Shopping cart cookies are saved, and the storage period is 1 day. Note: The browser must support cookies to be used. This article mainly introduces you to the shopping cart class with a storage period of 1 day in PHP. It has a certain reference value. Interested friends can refer to it. I hope it can help you.
Sample code:
<?php /** * 购物车类 Cookies 保存,保存周期为1天 注意:浏览器必须支持Cookie才能够使用 */ class CartAPI { private $CartArray = array(); // 存放购物车的二维数组 private $CartCount; // 统计购物车数量 public $Expires = 86400; // Cookies过期时间,如果为0则不保存到本地 单位为秒 /** * 构造函数 初始化操作 如果$Id不为空,则直接添加到购物车 * */ public function __construct($Id = "",$Name = "",$Price1 = "",$Price2 = "",$Price3 = "",$Count = "",$Image = "",$Expires = 86400) { if ($Id != "" && is_numeric($Id)) { $this->Expires = $Expires; $this->addCart($Id,$Name,$Price1,$Price2,$Price3,$Count,$Image); } } /** * 添加商品到购物车 * * @param int $Id 商品的编号 * @param string $Name 商品名称 * @param decimal $Price1 商品价格 * @param decimal $Price2 商品价格 * @param decimal $Price3 商品价格 * @param int $Count 商品数量 * @param string $Image 商品图片 * @return 如果商品存在,则在原来的数量上加1,并返回false */ public function addCart($Id,$Name,$Price1,$Price2,$Price3,$Count,$Image) { $this->CartArray = $this->CartView(); // 把数据读取并写入数组 if ($this->checkItem($Id)) { // 检测商品是否存在 $this->ModifyCart($Id,$Count,0); // 商品数量加$Count return false; } $this->CartArray[0][$Id] = $Id; $this->CartArray[1][$Id] = $Name; $this->CartArray[2][$Id] = $Price1; $this->CartArray[3][$Id] = $Price2; $this->CartArray[4][$Id] = $Price3; $this->CartArray[5][$Id] = $Count; $this->CartArray[6][$Id] = $Image; $this->save(); } /** * 修改购物车里的商品 * * @param int $Id 商品编号 * @param int $Count 商品数量 * @param int $Flag 修改类型 0:加 1:减 2:修改 3:清空 * @return 如果修改失败,则返回false */ public function ModifyCart($Id, $Count, $Flag = "") { $tmpId = $Id; $this->CartArray = $this->CartView(); // 把数据读取并写入数组 $tmpArray = &$this->CartArray; // 引用 if (!is_array($tmpArray[0])) return false; if ($Id < 1) { return false; } foreach ($tmpArray[0] as $item) { if ($item === $tmpId) { switch ($Flag) { case 0: // 添加数量 一般$Count为1 $tmpArray[5][$Id] += $Count; break; case 1: // 减少数量 $tmpArray[5][$Id] -= $Count; break; case 2: // 修改数量 if ($Count == 0) { unset($tmpArray[0][$Id]); unset($tmpArray[1][$Id]); unset($tmpArray[2][$Id]); unset($tmpArray[3][$Id]); unset($tmpArray[4][$Id]); unset($tmpArray[5][$Id]); unset($tmpArray[6][$Id]); break; } else { $tmpArray[5][$Id] = $Count; break; } case 3: // 清空商品 unset($tmpArray[0][$Id]); unset($tmpArray[1][$Id]); unset($tmpArray[2][$Id]); unset($tmpArray[3][$Id]); unset($tmpArray[4][$Id]); unset($tmpArray[5][$Id]); unset($tmpArray[6][$Id]); break; default: break; } } } $this->save(); } /** * 清空购物车 * */ public function RemoveAll() { $this->CartArray = array(); $this->save(); } /** * 查看购物车信息 * * @return array 返回一个二维数组 */ public function CartView() { $cookie = stripslashes($_COOKIE['CartAPI']); if (!$cookie) return false; $tmpUnSerialize = unserialize($cookie); return $tmpUnSerialize; } /** * 检查购物车是否有商品 * * @return bool 如果有商品,返回true,否则false */ public function checkCart() { $tmpArray = $this->CartView(); if (count($tmpArray[0]) < 1) { return false; } return true; } /** * 商品统计 * * @return array 返回一个一维数组 $arr[0]:产品1的总价格 $arr[1:产品2得总价格 $arr[2]:产品3的总价格 $arr[3]:产品的总数量 */ public function CountPrice() { $tmpArray = $this->CartArray = $this->CartView(); $outArray = array(); //一维数组 // 0 是产品1的总价格 // 1 是产品2的总价格 // 2 是产品3的总价格 // 3 是产品的总数量 $i = 0; if (is_array($tmpArray[0])) { foreach ($tmpArray[0] as $key=>$val) { $outArray[0] += $tmpArray[2][$key] * $tmpArray[5][$key]; $outArray[1] += $tmpArray[3][$key] * $tmpArray[5][$key]; $outArray[2] += $tmpArray[4][$key] * $tmpArray[5][$key]; $outArray[3] += $tmpArray[5][$key]; $i++; } } return $outArray; } /** * 统计商品数量 * * @return int */ public function CartCount() { $tmpArray = $this->CartView(); $tmpCount = count($tmpArray[0]); $this->CartCount = $tmpCount; return $tmpCount; } /** * 保存商品 如果不使用构造方法,此方法必须使用 * */ public function save() { $tmpArray = $this->CartArray; $tmpSerialize = serialize($tmpArray); setcookie("CartAPI",$tmpSerialize,time()+$this->Expires); } /** * 检查购物车商品是否存在 * * @param int $Id * @return bool 如果存在 true 否则false */ private function checkItem($Id) { $tmpArray = $this->CartArray; if (!is_array($tmpArray[0])) return; foreach ($tmpArray[0] as $item) { if ($item === $Id) return true; } return false; } } ?>
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