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ajax怎么不能赋值到前台?

ajax怎么不能赋值到前台?

错过了年华 2017-10-27 03:32:58
 <div class="pay">                 <div class="pay-opt"> <a href="home2.html"><span class="am-icon-home am-icon-fw">首页</span></a> <a><span class="am-icon-heart am-icon-fw">收藏</span></a> </div>                 <li>                     <div class="clearfix tb-btn tb-btn-buy theme-login"> <a id="LikBuy" title="点此按钮到下一步确认购买信息" href="#">立即购买</a> </div>                 </li>                 <li>                     <div class="clearfix tb-btn tb-btn-basket theme-login"> <a id="LikBasket" title="加入购物车" href="javascript:addCart({$rst[0]['g_id']})" onClick="showSum()"><i></i>加入购物车</a> </div>                 </li>             </div>         </div>         <div class="clear"></div>     </div>    {literal} <script type="text/javascript">                     function showSum(){               var url = "countShopcartid.php";                                            var data = {"not":""};               var success= function(response){                   if(response.errno == 0){                     var sum = response.sum;                     $("#LikBuy").html("sum");                   }else                   {                        alert('获取购物车商品数量失败');                   }               }               $.post(url,data,success,"json");           }     </script>{/literal}countShopcartid.php <?php require_once('include.php'); //1.接受参数并处理 $user_id = $_SESSION["id"]; //2.计算数量 $sql = "select count(*) from shopcar where  user_id='{$user_id}'"; $row = $admindb->ExecSQL($sql,$conn); var_dump($row); //3.返回处理结果 if($row){ $response = array( 'errno' =>0, 'errmsg' =>'success', 'data' => true, 'sum' => $row[0]["count(*)"], ); } else{ $response = array( 'errno' =>-1, 'errmsg' =>'fail', 'data' => false, 'sum' => $row[0]["count(*)"], ); } echo json_encode($response); ?>F12看到有值      {"errno":0,"errmsg":"success","data":true,"sum":"4"}   为什么sum没赋值到  #LikBuy的a标签里,还是我哪里写错了?
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?
习惯受伤

TA贡献885条经验 获得超1144个赞

$("#LikBuy").html("sum");
这里改成
$("#LikBuy").html(sum);
看到了吗?

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1 反对 回复 2017-10-27
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