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<?php
header("Content-type: text/html; charset=utf-8");
??session_start();//啟動session
#??// session_destroy();
??// die();
??// var_dump($_SESSION);
??// die();
??if(isset($_SESSION['username']) &&!empty($_SESSION[ 'username'])){
???
??}
??else{
??? echo '<script language="JavaScript">;
??????);</script>';
????????? echo "<script>location.href='header.php'</script>";???exit;
/ $; = $_SESSION['uid'];
??$goods_id = $_POST['goods_id'];//取得商品id
??// $size = $_POST['size'];
??// $ color = $_POST['color'];
??$number = $_POST['num'];//取得商品數量??// $numcol="$size"."$color";??// var_dump($_POST );
??// die();
??
??
??????if(empty($_SESSION["gwc"]))??{????? //1.購物車是空的，第一次點選點擊車????? $arr[$goods_id] =array(
????? ????'goods_id'? =>?$goods_id?#??umber
????? ????
????? ????
????? ????);???"gwc"]=$arr;????? // print_r($arr);
????? // die();
??}??else??{????= $_SESSION["gwc"]; //先存一下????? $chuxian = false;????? //查詢是否有該商品,KEY是商品id
????? foreach($arr as $kEY是商品id
????? foreach($arr as $k=>
????? {
????? ?
?????????if($k==$goods_id)
{????????????? $chuxian = true;????????? }????? }??
????? ?$arr[$goods_id]['num '] =$number;????????? //3.如果購物車上有商品
????????? //if(!isset($arr[$goods_?
???????? ?// ???'id'? =>?$goods_id,
???????????}???????? ????
????? ????
????? ????//?{
????????? // ?$arr[$goods_id]['num'] =$number;
????????? // }
??arr;
????? }
????? else
????? {????????? //2.為購物車中沒有該商品
????????;?$goods_id,????? ????
#????? ????'num'? => $number????? ????
#????? ????);??????????
???????????? // print_r($arr);
????????? //? die();
????? }??} OK";
??echo '<script language="JavaScript">;
alert("新增成功！");location.href="header.php";;';
?????????
????????;
??
#??
??>