???? ?? ? ?? ?? ??
1, jquery ?? ??
<script src="./jquery-1.11.0.js"></script>
2, ???? ?? ??
a ??? ?? ??? ??
<a href="javascript:;" onclick="buynow()">?? ??</a> <a href="javascript:;" " addshoppingcart()">????? ??</a>
????? ????? ??? ? ?? ??? ?? ???. ??? ?? ID?? ?? ??? ????
3, ajax ?? ?? ??? ??
<?php
//添加到購物車
function addshoppingcart(){
$.ajax({
url:"shoppingcart.php?a=addshoppingcart",
type:"post",
data:{'buynum':$("#buynum").val(),'id':$("#id").val()},
dataType:"html",
success:function (data) {
location.href="shoppingcart.php?a=buynow";
if(data){
alert("添加購物車成功!");
}
}
})
}4, ?? ?? ???? ?? ??
? shoppingcart.php ?? file
??? ??? ????.
<?php
header("Content-type:text/html;charset=utf-8");
include "mysqli.php";
$a=isset($_GET["a"])?$_GET["a"]:"";
//添加購物車
if($a=="addshoppingcart"){
$buynum=$_POST["buynum"];
$id=$_POST["id"];
// echo "<script>alert($buynum+$id)</script>";
if(!empty($_COOKIE["shoppingcart"]))
$shoppingcart=unserialize($_COOKIE["shoppingcart"]);
else
$shoppingcart=array();
if(isset($id) && isset($buynum)){
$id=intval($id);
$buynum=intval($buynum);
$shoppingcart[]=array($id,$buynum);
}
setcookie('shoppingcart',serialize($shoppingcart));//商品屬性進(jìn)行序列化保存到cookie中
return"true";
}5, ???? ?? ??
??? ??? ? ?? ????? ??, ?? ?? ?? ???? ???? ??? ??goodsshow.php ??? ??????. shoppingcart.php??
<?php
<script>
//立即購買
function buynow(){
//先添加到購物車再進(jìn)行跳轉(zhuǎn)到購買頁面
addshoppingcart("buy");
}
//添加到購物車
function addshoppingcart(a){
$.ajax({
url:"shoppingcart.php?a=addshoppingcart",
type:"post",
data:{'buynum':$("#buynum").val(),'id':$("#id").val()},
dataType:"html",
success:function (data) {
if(a=="buy"){
location.href="shoppingcart.php?a=buynow";
}else{
if(data){
alert("添加購物車成功!");
}
}
}
})
}
</script>??? ??????:
<?php
elseif($a=="buynow") {
//下面寫購物車頁面
}
