帝國(guó)ECMS怎么實(shí)現(xiàn)AJAX無刷新加入購物車

<script></script><script></script><script>     var newsurl=&#39;<?=$public_r[newsurl]?>&#39;; </script>

<a>加入購物車</a>

function?AddProduct(classid,?id)?{ ????$.ajax({ ????????type:?"post", ????????url:?newsurl?+?"e/template/ShopSys/addBuyCar.php", ????????data:?"classid="?+?classid?+?"&id="?+?id, ????????dataType:?"json", ????????success:?function?(json)?{ ????????????alert(json.msg); ????????} ????}) }

<?php    require("../../class/connect.php");  require("../../class/db_sql.php");  require("../../data/dbcache/class.php");  require("../../class/ShopSysFun.php");  $link=db_connect();  $empire=new mysqlquery(); </p>?<p>//$_POST?$classid=(int)$_POST['classid']; ?$id=(int)$_POST['id']; </p>?<p>//add?function?function?json_AddBuycar($classid,?$id)?{ ????global?$class_r,?$empire,?$dbtbpre,?$public_r; ????$classid=(int)$classid; ????$id=(int)$id; ????if(empty($classid)||empty($id)||empty($class_r[$classid][tbname]))?{ ????????return?json_encode(array('msgid'=&gt;1,?'msg'=&gt;'此商品不存在')); ????} ????//驗(yàn)證產(chǎn)品是否存在?$num=$empire-&gt;gettotal("select?count(*)?as?total?from?{$dbtbpre}ecms_".$class_r[$classid][tbname]."?where?classid='$classid'?and?id='$id'?limit?1"); ????if(!$num)?{ ????????return?json_encode(array('msgid'=&gt;1,?'msg'=&gt;'此商品不存在')); ????} ????$record="!"; ????$field="|"; ????$productid=$classid.",".$id; ????$buycar=getcvar('mybuycar'); ????//重復(fù)?if(strstr($buycar,?"|".$productid."|"))?{ ????????$pr=explode("|".$productid."|",?$buycar); ????????$pr1=explode("!",?$pr[1]); ????????$oldbuycar="|".$productid."|".$pr1[0]."!"; ????????//數(shù)量?$pr1[0]=ReturnBuycarProductNum($pr1[0]); ????????if(empty($pr1[0]))?{ ????????????$pr1[0]=1; ????????} ????????$newnum=$pr1[0]+1; ????????$newbuycar="|".$productid."|".$newnum."!"; ????????$buycar=str_replace($oldbuycar,?$newbuycar,?$buycar); ????} ????else?{ ????????//只存放一個(gè)?if($public_r['buycarnum']==1)?{ ????????????$buycar=''; ????????} ????????$buycar.="|".$productid."|1!"; ????} ????$re=SetBuycar($buycar); ????if($re)?{ ????????return?json_encode(array('msgid'=&gt;2,?'msg'=&gt;'商品加入購物車成功')); ????} } echo?json_AddBuycar($classid,?$id); ?db_close(); ?$empire=null; ??&gt;</p>