PHP cookie +购物车 怎么写?? 请高手给看下PHP用Cookie实现的购物车代码!谢谢啦 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 public function addcart($goods_id,$goods_num){ $cur_cart_array = unserialize(stripslashes($_COOKIE['shop_cart_info'])); if($cur_cart_array==""){ $cart_info[0][] = $goods_id; $cart_info[0][] = $goods_num; setcookie("shop_cart_info",serialize($cart_info)); }elseif($cur_cart_array<>""){ //返回数组键名倒序取最大 $ar_keys = array_keys($cur_cart_array); rsort($ar_keys); $max_array_keyid = $ar_keys[0]+1; //遍历当前的购物车数组 //遍历每个商品信息数组的0值,如果键值为0且货号相同则购物车存在相同货品 foreach($cur_cart_array as $goods_current_cart){ foreach($goods_current_cart as $key=>$goods_current_id){ if($key == 0 and $goods_current_id == $goods_id){ echo "<script language=javascript>"; echo "if(confirm('购物车已经有该商品,继续购物按----确定!查看购物车按----取消!'))"; echo "{history.go(-1)}"; echo "else{window.location.href='xqs_cart.php'}"; echo "</script>"; exit(); } } } $cur_cart_array[$max_array_keyid][] = $goods_id; $cur_cart_array[$max_array_keyid][] = $goods_num; setcookie("shop_cart_info",serialize($cur_cart_array)); } } //从购物车删除 function delcart($goods_array_id){ $cur_goods_array = unserialize(stripslashes($_COOKIE['shop_cart_info'])); //删除该商品在数组中的位置 unset($cur_goods_array[$goods_array_id]); setcookie("shop_cart_info",serialize($cur_goods_array)); } //修改购物车货品数量 function update_cart($up_id,$up_num,$goods_ids){ //先清空cookie,以便重新设置,传递过来三个数组参数 1数组的标识 2商品数量数组 3商品编号数组 //如果不清空cookie则无法处理数量为零的商品 setcookie("shop_cart_info",""); foreach($up_id as $song){ //先返回数组当前单元;再把指针向下移动一个位置 $goods_nums = current($up_num); $goods_id = current($goods_ids); next($up_num); next($goods_ids); //当商品数量为空的时候,注销此处的数组值并用continue 2 语句避开下面的操作,继续做foreach循环 while($goods_nums == 0){ unset($song); continue 2; } $cur_goods_array[$song][0] = $goods_id; $cur_goods_array[$song][1] = $goods_nums; } setcookie("shop_cart_info",serialize($cur_goods_array)); }我在网上找的 这段代码能实现吗??有的地方我看不懂 能帮我注释下不 没仔细读 看似可以 他用cookie做的 思路就是将商品id和数量写到cookie里。每次操作都是对cookie的操作。 cookie里面的值要通过serialize序列化存储,操作值时要unserialize反序列,操作完了在序列化到cookie里 phpmailer怎么支持gmail发邮件呢 如何查找PHP的cookie问题 PHP怎么有AJAX完成窗口溅出的效果? 用PHP怎么实现一个像youku,tudou.这种在线播放的视频网站 php CMS(不要生成静态的那种) 求开源商城!来者有分! winIIS7.5下PHP客户端发送email的的配置 如何让数据显示不重复,只显示最新数据 centos php apc安装 phpcms v9中专题用的面包屑导航如何写哟 新人求助 zend_search_lucene搜索英文的BUG
$cur_cart_array = unserialize(stripslashes($_COOKIE['shop_cart_info']));
if($cur_cart_array==""){
$cart_info[0][] = $goods_id;
$cart_info[0][] = $goods_num;
setcookie("shop_cart_info",serialize($cart_info));
}elseif($cur_cart_array<>""){
//返回数组键名倒序取最大
$ar_keys = array_keys($cur_cart_array);
rsort($ar_keys);
$max_array_keyid = $ar_keys[0]+1;
//遍历当前的购物车数组
//遍历每个商品信息数组的0值,如果键值为0且货号相同则购物车存在相同货品
foreach($cur_cart_array as $goods_current_cart){
foreach($goods_current_cart as $key=>$goods_current_id){
if($key == 0 and $goods_current_id == $goods_id){
echo "<script language=javascript>";
echo "if(confirm('购物车已经有该商品,继续购物按----确定!查看购物车按----取消!'))";
echo "{history.go(-1)}";
echo "else{window.location.href='xqs_cart.php'}";
echo "</script>";
exit();
}
}
}
$cur_cart_array[$max_array_keyid][] = $goods_id;
$cur_cart_array[$max_array_keyid][] = $goods_num;
setcookie("shop_cart_info",serialize($cur_cart_array));
}
}
//从购物车删除
function delcart($goods_array_id){
$cur_goods_array = unserialize(stripslashes($_COOKIE['shop_cart_info']));
//删除该商品在数组中的位置
unset($cur_goods_array[$goods_array_id]);
setcookie("shop_cart_info",serialize($cur_goods_array));
}
//修改购物车货品数量
function update_cart($up_id,$up_num,$goods_ids){
//先清空cookie,以便重新设置,传递过来三个数组参数 1数组的标识 2商品数量数组 3商品编号数组
//如果不清空cookie则无法处理数量为零的商品
setcookie("shop_cart_info","");
foreach($up_id as $song){
//先返回数组当前单元;再把指针向下移动一个位置
$goods_nums = current($up_num);
$goods_id = current($goods_ids);
next($up_num);
next($goods_ids);
//当商品数量为空的时候,注销此处的数组值并用continue 2 语句避开下面的操作,继续做foreach循环
while($goods_nums == 0){
unset($song);
continue 2;
}
$cur_goods_array[$song][0] = $goods_id;
$cur_goods_array[$song][1] = $goods_nums;
}
setcookie("shop_cart_info",serialize($cur_goods_array));
}我在网上找的 这段代码能实现吗??有的地方我看不懂 能帮我注释下不