文件上传时显示模式

Question

我正在构建一个 c# MVC 应用程序，我想知道如何在上传文件时显示一个包含请稍候消息的模式。

我在 Goggle 和这个网站上搜索了很多，但我可以使用一些更直接的反馈。

我在我的 index.cshtml 中创建了模式，但不确定如何在上传过程中显示它。我尝试在我的提交按钮中使用类似的东西，但它没有发布表单。

 data-toggle="modal" data-target="#myModal"

这是我的代码。

索引.cshtml

<h4>Please fill out the form below and select at least one file to upload.</h4>

@using (Html.BeginForm("Index", "Home", FormMethod.Post, new { enctype = "multipart/form-data" }))
{
    <div class="row">
        <div class="col-md-2">
            <h5>Your Name:</h5>
        </div>
        <div class="col-md-4">
            <input type="text" name="uname" class="form-control" required placeholder="John Smith">
        </div>
    </div>
    <div class="row">
        <div class="col-md-2">
            <h5>Your Email:</h5>
        </div>
        <div class="col-md-4">
            <input type="email" name="email" class="form-control" required placeholder="test@test.com">
        </div>
    </div>
    <div class="row">
        <div class="col-md-2">
            <h5>Your Company:</h5>
        </div>
        <div class="col-md-4">
            <input type="text" name="company" class="form-control" required placeholder="Test Company, Inc">
        </div>
    </div>
    <div class="row">
        <div class="col-md-2">
            <h5>Choose file(s) to upload (Max 500MB):</h5>
        </div>
        <div class="col-md-4">
            <input name="files" type="file" id="files" multiple="multiple" class="form-control" required />
        </div>
    </div>
    <div class="row">
        <div class="col-md-2">
            <h5></h5>
        </div>
        <div class="col-md-4">
            <input type="submit" name="submit" value="Upload" class="btn btn-primary" />
        </div>
    </div>
}

<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-body">
                Please wait while we are uploading your files
                <div class="progress">
                    <div class="progress-bar progress-bar-striped active" role="progressbar" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100" style="width: 100%">
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

那么这里是我的控制器

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Net.Mail;

namespace vidup.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {

            return View();
        }

        [HttpPost]
        public ActionResult Index(List<HttpPostedFileBase> files)
        {
            var userName = Request["uname"].ToString();
            var userEmail = Request["email"].ToString();
            var userCompany = Request["company"].ToString();
            ViewBag.Username = userName;
            ViewBag.UserCompany = userCompany;
            ViewBag.UserEmail = userEmail;
            int i = 0;

            var path = Path.Combine(Server.MapPath("~/Uploads"), userCompany, userName, DateTime.Now.ToString("MM-dd-yyyy h-mm-tt"));
            if (!Directory.Exists(path))
            {
                DirectoryInfo di = Directory.CreateDirectory(path);
            }

            foreach (HttpPostedFileBase item in files)
            {
                i++;
                if (item != null && item.ContentLength > 0)
                {
                    var fileName = Path.GetFileName(item.FileName);
                    var fullPath = Path.Combine(path, fileName);
                    ViewBag.Message3 = fileName;
                    ViewBag.Message4 = fullPath;
                    try
                    {
                        item.SaveAs(fullPath);
                        var fileCount = i + " File(s) uploaded successfully";
                        ViewBag.Message = fileCount;
                    }
                    catch (Exception e)
                    {
                        ViewBag.Message = e;
                    }
                }
                else
                {
                    ViewBag.Message = "No File selected";
                }
            }




            return View("Status");
        }
    }
}

最后是status.cshtml

<h2>Upload Status</h2>

<h4>Thank you, @ViewBag.UserName from @ViewBag.UserCompany</h4>
<P>Your file upload returned a status of: @ViewBag.Message</P>
<p>An Email has been sent to @ViewBag.UserEmail with the status of this upload.</p>
<br/>
<a href="@Url.Action("Index")" class="btn btn-primary">Click here to upload again</a>

Answer 1

您的提交按钮不再发布表单的原因是因为您放入其中的属性覆盖了其默认行为 - 除了模态显示之外，您还需要向其添加 onclick 处理程序以启动表单提交.给你的提交按钮一个 ID 并给你的表单一个 ID.. 之后它是一个简单的 onclick 方法

$('buttonid').on('click', function()
{
  $('#formid').submit();
});

这告诉您的按钮在单击时提交表单