我需要使用带有RAZOR的MVC3将多个文件上传到Web服务器.我有以下代码.在控制器中,我的文件数为零.如何更正它以获取上传的文件的实际数量并获取内容？
public class MyFileController : Controller
{
public ActionResult MyFileProcessActionTest()
{
return View();
}
[HttpPost]
public ActionResult MyFileProcessActionTest(IEnumerable<System.Web.HttpPostedFileBase> files)
{
int fileCount = files.Count<System.Web.HttpPostedFileBase>();
return RedirectToAction("Index");
}
}
视图
@{
ViewBag.Title = "MyFileProcessActionTest";
}
<h2>MyFileProcessActionTest</h2>
@using (Html.BeginForm())
{
<input type="file" name="files" id="file1" />
<input type="file" name="files" id="file2" />
<input type="submit" />
}
读：
> Binding HttpPostedFileBase using Ajax.BeginForm
> ASP.NET MVC上传和下载文件
http://www.mikesdotnetting.com/Article/125/ASP.NET-MVC-Uploading-and-Downloading-Files
> How do I Validate the File Type of a File Upload?
> MVC 3 file upload and model binding
解决方法
更改您的表单以匹配以下内容
@using(Html.BeginForm("action","controller",FormMethod.Post,new{encType = "multipart/form-data"})){
{
<input type="file" name="files[0]" id="file1" />
<input type="file" name="files[1]" id="file2" />
<input type="file" name="files[2]" id="file3" />
<input type="submit" />
}
索引0,1,2将允许modelbinder绑定到IEnumerable,此外还必须在将文件发布到服务器时指定encType
