ASP.NET MVC的简单文件上传和文件下载
使用ASP.NET MVC实现简单的文件上传:
视图代码(View):
<form action='@Url.Action("Upload","File")' method="post" enctype="multipart/form-data">
<input name="file" type="file" />
<input id="Submit1" type="submit" value="提交" />
</form>
控制器代码(Controllers):
public ActionResult Upload()
{
return View();
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public ActionResult Upload(HttpPostedFileBase file)
{
var fileName = file.FileName;
var filePath = Server.MapPath(string.Format("~/{0}", "File"));
file.SaveAs(Path.Combine(filePath, fileName));
return Content("上传成功!");
}
文件下载:
视图代码(View):
<a href='@Url.Action("Download","File",new { fileName=item.FName})'>下载文件</a>
控制器代码(Controllers):
/// <summary>
/// 下载文件
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public FileStreamResult Download(string fileName)
{
string filePath = Server.MapPath(string.Format("~/{0}/{1}", "File", fileName));
FileStream fs = new FileStream(filePath, FileMode.Open);
return File(fs, "text/plain", fileName);
}

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