PHP session实现购物车功能_实用技巧_

1,'img'=>'img/1.jpg','title'=>'小米移动电源5000mAh','price'=>49), array('id'=>2,'img'=>'img/2.jpg','title'=>'20000mAh小米移动电源2','price'=>149), array('id'=>3,'img'=>'img/3.jpg','title'=>'小米圈铁耳机Pro','price'=>129), array('id'=>4,'img'=>'img/4.jpg','title'=>'小米家电动滑板车','price'=>1999), array('id'=>5,'img'=>'img/5.jpg','title'=>'小米笔记本','price'=>3499), array('id'=>6,'img'=>'img/6.jpg','title'=>'米家LED智能台灯','price'=>169), array('id'=>7,'img'=>'img/7.jpg','title'=>'小米体重秤','price'=>99), array('id'=>8,'img'=>'img/8.png','title'=>'小米电视3s 48英寸','price'=>2599) ); 

我的购物车★
 $value):?>
" width="150" height="150" alt="小米移动电源5000mAh">
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加入购物车

 $value) { if($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!"; } 

 $value) { if($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!"; }