ASP.NET-文件上传代码

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public ActionResult upload()  {      ViewBag.ImageUrl = " ";      return View();  }  // 模型绑定ModelBinding MVC 框架帮你抽取Request值，转换成视图模型对象  [HttpPost]  public ActionResult upload(List<HttpPostedFileBase> files)  {      if (files != null)      {          List<string> urls = new List<string>();          foreach (var file in files)          {              if (file != null && file.ContentLength > 0)              {                  // 1.获取文件名                  string fileName=Path.GetFileName(file.FileName);                  string timeName = DateTime.Now.Ticks.ToString();                  // 2.保存文件到网站文件夹                  string localpath=Server.MapPath("~/UploadFile/");                  string tempName = timeName + fileName;                  string fullpath = localpath + tempName;                  file.SaveAs(fullpath);                  // 传递到视图图片路径，显示图片                  string temp = "/UploadFile/" + tempName;                  urls.Add(temp);                  //ViewBag.ImageUrl = fullpath;                  // 3.保存的路径存入数据库的地址字段              }            }          ViewBag.urls = urls;      }      return View();  }

后台代码主要使用HttpPostedFileBase对象来操作file这个流对象

前台主要使用form表单工具来提交文件

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@using (Html.BeginForm("upload", "Order", FormMethod.Post, new { enctype = "multipart/form-data" })) {     <input type="file" id="files" name="files"  multiple="multiple"/>     <input type="submit" value="上传图片" class="btn btn-default form-control" /> }   @if (ViewBag.urls != null) {     foreach (var url in ViewBag.urls)     {         <img style="width:300px;" src="@url" />     } }

来自为知笔记(Wiz)