文件上传

public ActionResult shangchuan(HttpPostedFileBase files)
{
if (files != null)
{
var name = files.FileName;
var luji = "shangchuan";
if (Directory.Exists(Server.MapPath(luji)))
{
Directory.Exists(Server.MapPath(luji));
}
files.SaveAs(Server.MapPath(name + luji));
Response.Write("上传成功");
}
return View();
}

<div>
@using (Html.BeginForm("shangchuan", "Default", FormMethod.Post, new { enctype = "multipart/form-data" }))
{
<input id="File1" type="file" name="files" multiple />
<input id="Submit1" type="submit" value="上传" />
}
</div>