<?php if(!empty($_GET['id'])){ require 'common.php'; session_start(); $id = $_GET['id']; //把所选ID的商品信息遍历出来 foreach ($arrPro as $key => $value) { if($id == $value['id']){ $arrData = $arrPro[$key]; } } //用一个新的二维数组把商品信息存起来 $arrDatax[0][$arrData['id']] = $arrData['id']; $arrDatax[1][$arrData['id']] = $arrData['img']; $arrDatax[2][$arrData['id']] = $arrData['title']; $arrDatax[3][$arrData['id']] = $arrData['price']; $arrDatax[4][$arrData['id']] = 1; //判断是否有SESSION存在，有则在数组后添加，没有则直接存 if(empty($_SESSION['shopcar'])){ $_SESSION['shopcar'] = $arrDatax; header('Location:index.php'); }else{ //第一次购物之后的购物 //重新取出来，防止数据覆盖 $arrDataz = $_SESSION['shopcar']; if(in_array($id,$arrDataz[0])){ $arrDataz[4][$arrData['id']] += 1; $_SESSION['shopcar'] = $arrDataz; header('Location:index.php'); }else{ $arrDataz[0][$arrData['id']] = $arrData['id']; $arrDataz[1][$arrData['id']] = $arrData['img']; $arrDataz[2][$arrData['id']] = $arrData['title']; $arrDataz[3][$arrData['id']] = $arrData['price']; $arrDataz[4][$arrData['id']] = 1; $_SESSION['shopcar'] = $arrDataz; header('Location:index.php'); } } }else{ echo "购物车没有商品!"; }
delete.php
<?php session_start(); if(!empty($_GET['id'])){ $arrData = $_SESSION['shopcar']; //判断对应的商品ID信息 if(in_array($_GET['id'],$arrData[0])){ unset($arrData[0][$_GET['id']]); unset($arrData[1][$_GET['id']]); unset($arrData[2][$_GET['id']]); unset($arrData[3][$_GET['id']]); unset($arrData[4][$_GET['id']]); $_SESSION['shopcar'] = $arrData; } header('Location:spcar.php'); }