@using (Html.BeginForm("add", "a", new { enctype = "multipart/form-data" }))
    {
        <input type="text" name="title" placeholder="为你的新鲜事取一个给力的标题吧" style="width:300px;height:32px;line-height:32px;font-size:16px;" required /><br /><br />
        <textarea placeholder="分享一件新鲜事" cols="50" rows="15" required name="content"></textarea>
        <p><input type="file" name="file1" /></p>
        <p><input type="submit" value="投搞" /></p>
    }
    <div class="progress">
        <div class="bar"></div>
        <div class="percent">0%</div>
    </div>
    <div id="status"></div>
    <script>
        (function () {
            var bar = $(".bar");
            var percent = $(".percent");
            var status = $("#status");
            $("form").ajaxForm({
                beforeSend: function () {
                    status.empty();
                    var percentVal = '0%';
                    bar.width(percentVal)
                    percent.html(percentVal);
                },
                uploadProgress: function (event, position, total, percentComplete) {
                    var percentVal = percentComplete + '%';
                    bar.width(percentVal)
                    percent.html(percentVal);
                } ,
                success: function () {
                    var percentVal = "100%";
                    bar.width(percentVal)
                    percent.html(percentVal);
                    alert("添加成功，转向首页");
                    window.location = "/";
                },
                complete: function (xhr) {
                    status.html(xhr.responseText);
                }
            });
        })();
    </script>