          type: "post",
            data: formData,
            processData: false,
            contentType: false,
            success: function (res) {
                if (res) {
                    alert("上传成功！");
                }
                console.log(res);
                $(".showUrl").html(res);
            },
            error: function (err) {
                alert("网络连接失败,稍后重试", err);
            }
        })
    }
</script>
</body>
</html>
