上传文件ASP.NET 5 [英] Upload file ASP.NET 5

问题描述

我想上传5 ASP.NET文件，但我已经看到了互联网上的两种方式失败。
随着XMLHtt prequest这里是我的服务器端code：

 公共异步任务＆LT;＆的ActionResult GT; UploadSWF（）
 {
     StreamReader的读者=新的StreamReader（Request.Body）;
     VAR文本=等待reader.ReadToEndAsync（）;
     返回查看（）;
 }
 

：我的客户端：

  VAR的客户=新XMLHtt prequest（）;
功能上传（）
{
   var文件=的document.getElementById（一个UploadFile）;
   VAR FORMDATA =新FORMDATA（）;
   formData.append（上载，file.files [0]）;
   client.open（后，/首页/ UploadSWF，真正的）;
   //client.setRequestHeader(\"Content-Type，多部分/表单数据）;
   client.setRequestHeader（内容类型，应用程序/ x-冲击波闪光）;
   client.send（FORMDATA）;
}
 

不过，我可以从这个唯一得到的是：

  

------ WebKitFormBoundaryX1h5stVbtaNe6nFw
  内容处置：表格数据; NAME =上传;文件名=data.swf在
  内容类型：应用程序/ x-冲击波闪光
  CWS
  ;

：这里是code如何得到这样的：

 公众的ActionResult UploadSWF（）
    {
        流的BodyStream = Context.Request.Body;
        VAR SR =新的StreamReader（的BodyStream）;
        变种测试= sr.ReadToEnd（）;
        返回查看（）;
    }
 

所以我得到的文件和内容类型而不是它的内容的名称。

这答案 http://stackoverflow.com/a/26445416/1203116 正在复制流到一个文件但文件创建部分不是为我工作，我不知道发生了什么事情，但没有任何反应。所以我试图做同样的一个MemoryStream，我得到了一个空字符串。

所以最后我尝试另一种方式，利用IFormFile这里所示：<一href=\"https://github.com/aspnet/Mvc/blob/437eb93bdec0d9238d672711ebd7bd3097b6537d/test/WebSites/ModelBindingWebSite/Controllers/FileUploadController.cs\" rel=\"nofollow\">https://github.com/aspnet/Mvc/blob/437eb93bdec0d9238d672711ebd7bd3097b6537d/test/WebSites/ModelBindingWebSite/Controllers/FileUploadController.cs
这个接口应该是Microsoft.AspNet.Http我已经加入到我的项目，但我仍然不能够访问它。我看不到任何IFormFile这个命名空间。

：我尝试的第一个方法是使用HttpPostedFileBase像我习惯于在ASP.NET MVC 5，但它不是我的vNext项目。我一直有一个MissingMethodException。
在客户端我的code是：

 ＆LT;形式的行动=/家/ UploadSWF的方法=POSTENCTYPE =的multipart / form-data的＆GT;
        ＆LT;输入类型=文件名称=文件接受=SWF文件，应用程序/ x-冲击波闪光/ *。＆GT;
        ＆LT;输入类型=提交名称=提交/＆GT;
    ＆LT; /表及GT;
 

在我的控制器：

 公众的ActionResult UploadSWF（HttpPostedFileBase文件）
{
     返回查看（）;
}
 

解决方案

IFormFile 是作为beta3版发布的一部分。你可能有过时的包。检查你的 project.json ，并确保您使用beta3版（或更新版本）的软件包。

I'm trying to upload a file in ASP.NET 5 but the two ways I've seen on internet fail. With XMLHttpRequest here is my server side code:

 public async Task<ActionResult> UploadSWF()
 {
     StreamReader reader = new StreamReader(Request.Body);
     var text = await reader.ReadToEndAsync();
     return View();
 }

[EDIT 1]: And my client side:

var client = new XMLHttpRequest();
function upload() 
{
   var file = document.getElementById("uploadfile");
   var formData = new FormData();
   formData.append("upload", file.files[0]);
   client.open("post", "/Home/UploadSWF", true);
   //client.setRequestHeader("Content-Type", "multipart/form-data");
   client.setRequestHeader("Content-Type", "application/x-shockwave-flash");
   client.send(formData);
}

But the only thing I can get from this is:

------WebKitFormBoundaryX1h5stVbtaNe6nFw Content-Disposition: form-data; name="upload"; filename="data.swf" Content-Type: application/x-shockwave-flash CWS ;"

[EDIT 2]:Here is the code how I get this:

 public ActionResult UploadSWF()
    {
        Stream bodyStream = Context.Request.Body;
        var sr = new StreamReader(bodyStream);
        var test = sr.ReadToEnd();
        return View();
    }

So I get the name of the file and the content-type but not its content.

This answer http://stackoverflow.com/a/26445416/1203116 is copying the stream into a file however the file creation part isn't working for me, I don't know what's going on but nothing happens. So I tried to do the same with a MemoryStream and I got an empty string.

So finally I tried another way, using IFormFile like shown here: https://github.com/aspnet/Mvc/blob/437eb93bdec0d9238d672711ebd7bd3097b6537d/test/WebSites/ModelBindingWebSite/Controllers/FileUploadController.cs This interface should be in Microsoft.AspNet.Http which I've added to my project but I'm still not able to access it. I can't see any IFormFile in this namespace.

[EDIT 1]: The first method I've tried is by using HttpPostedFileBase like I was used to in ASP.NET MVC 5 but it was not working in my vNext project. I always got an MissingMethodException. My code on client side was:

<form action="/home/UploadSWF" method="POST" enctype="multipart/form-data">
        <input type="file" name="file" accept=".swf, application/x-shockwave-flash/*">
        <input type="submit" name="submit" />
    </form>

And in my controller:

public ActionResult UploadSWF(HttpPostedFileBase file)
{
     return View();
}

解决方案

IFormFile was introduced as part of beta3 release. You probably have outdated packages. Check your project.json and make sure you use beta3(or newer) packages.

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