"src", "/miaosha/verifyCode?goodsId="+$("#goodsId").val());
            $("#verifyCodeImg").show();
            $("#verifyCode").show();
        }else{//秒杀已经结束
            $("#buyButton").attr("disabled", true);
            $("#miaoshaTip").html("秒杀已经结束");
            $("#verifyCodeImg").hide();
            $("#verifyCode").hide();
        }
    }
    function refreshVerifyCode(){
        $("#verifyCodeImg").attr("src", "/miaosha/verifyCode?goodsId="+$("#goodsId").val()+"&timestamp="