使用MultFile.js实现多文件上传

  1.<script src="@Url.Content("~/Scripts/jquery.MultiFile.js")" type="text/javascript"></script>

2.  <div style="padding: 10px;">
                    <input type="file" id="uploadFile" name="uploadFile" class="multi" /><br />
                    <span id="msgContent" style="color: Red;">@ViewBag.ErrorMsg</span>
      </div>

3.[HttpPost]
        [ValidateInput(false)]
        public ActionResult AddArticle(Article article)
        {
            HttpFileCollectionBase files = Request.Files;
            string attachmentPath = string.Empty;
            if (files.Count != 0)
            {
                for (int i = 0; i < files.Count; i++)
                {
                    if (Path.GetExtension(Path.GetFileName(files[i].FileName)) == ".exe")
                    {
                        ViewBag.ErrorMsg = "不能上传格式为exe的文件！";
                        break;
                    }
                    if (files[i].ContentLength > 1073741824)
                    {
                        ViewBag.ErrorMsg = "文件大小最大为1G！";
                    }
                }
                if (!string.IsNullOrWhiteSpace(ViewBag.ErrorMsg))
                {
                    return View(article);
                }
                //上传文件
                article.CreateDate = DateTime.Now;
                article.LastUpdateDate = article.CreateDate;
                articleManager.AddArticle(article);
                IndexHelper.AddIndex(article);
                if (files.Count == 1 && files[0].ContentLength == 0)
                {
                    //不做操作
                }
                else
                {
                    for (int i = 0; i < files.Count; i++)
                    {
                        var file = files[i];
                        //保存成自己的文件全路径,newfile就是你上传后保存的文件　　　　
                        string fileName = System.IO.Path.GetFileName(file.FileName);//上传文件名
                        string fileExtension = System.IO.Path.GetExtension(fileName); //上传文件的扩展名
                        //保存文件
                        string FileId = DateTime.Now.ToString("yyyyMMddhhmmss");
                        string newFileName = FileId + fileExtension;
                        Attachment attachment = new Attachment
                        {
                            CreateDate = DateTime.Now,
                            FileIconName = fileExtension,
                            FileName = fileName,
                            FileSize = file.ContentLength,
                            FileUrl = newFileName
                        };
                        attachmentManager.AddAttachment(attachment);
                        articleInAttachmentManager.AddArticleInAttachment(new ArticleInAttachment { ArticleID=article.ID, AttachmentID=attachment.ID });
                        string soureFileUrl = Server.MapPath(ConfigurationManager.AppSettings["attachPath"]) + newFileName;
                        file.SaveAs(soureFileUrl);
                    }
                }
            }
            return RedirectToAction("Index", "Home");
        }

 Web.config 

 <system.web>
    <!--上传大文件-->
    <httpRuntime maxQueryStringLength="2097151" maxUrlLength="2097151" maxRequestLength="1073741824" executionTimeout="3600" requestValidationMode="2.0"/>
  </system.web>