使用Request.Files多文件上传[＆QUOT;文件＆QUOT;] MVC

问题描述：

这是我的code。我想uplade 3档到我的数据库

This is my Code. I want to uplade 3 file into my database

先在查看我写这篇文章：
＆LT;％使用（Html.BeginForm（Actionname，控制器，FormMethod.Post，新{ENCTYPE =的multipart / form-data的}））{％> .....
....

first in View I write this : <% using (Html.BeginForm(Actionname, Controller, FormMethod.Post, new {enctype="multipart/form-data"})){%> ..... ....

这是3档uplaoding：

and this is 3 file uplaoding:

<input type="file" name="files" id="FileUpload1" />
<input type="file" name="files" id="FileUpload2" />
<input type="file" name="files" id="FileUpload3" />

在控制器我用这个code：

In controller I use this code:

IEnumerable<HttpPostedFileBase> files = Request.Files["files"] as IEnumerable<HttpPostedFileBase>;
foreach (var file in files)
{
byte[] binaryData = null;
HttpPostedFileBase uploadedFile = file;
if (uploadedFile != null && uploadedFile.ContentLength > 0){
 binaryData = new byte[uploadedFile.ContentLength];
 uploadedFile.InputStream.Read(binaryData, 0,uploadedFile.ContentLength);
}
}

但文件总是返回NULL：（

but the files always return NULL :(

请帮帮我，谢谢你。

答

试试这个：

<% using (Html.BeginForm("Index", "Home", FormMethod.Post, new { enctype = "multipart/form-data" })) {%>
    <input type="file" name="files" id="FileUpload1" />
    <input type="file" name="files" id="FileUpload2" />
    <input type="file" name="files" id="FileUpload3" />
    <input type="submit" value="Upload" />
<% } %>

和相应的控制器：

public class HomeController : Controller
{
    public ActionResult Index()
    {
        return View();
    }

    [HttpPost]
    public ActionResult Index(IEnumerable<HttpPostedFileBase> files)
    {
        foreach (var file in files)
        {
            if (file.ContentLength > 0)
            {
                // TODO: do something with the uploaded file here
            }
        }
        return RedirectToAction("Index");
    }
}

这是一个有点清洁。

It's a bit cleaner.

使用Request.Files多文件上传[＆QUOT;文件＆QUOT;] MVC

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