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<div class="panel panel-default" style="height:100%;background-color:rgba(222,222,222,0.8)">
    <div class="panel-heading"><h1>秒杀商品详情</h1></div>
    <div class="panel-body">
        <!--如果user为空，则表明没有登录-->
        <span id="userTip" style="color: black;font-size: large">您还没有登录，请登陆后再操作<br/></span>
        <br/>
        <!--<span>没有收货地址的提示……</span>-->
    </div>
    <table class="table" id="goodslist">
        <tr>
   