如何在ASP.NET 5 RC1 MVC中使用IFormFile保存上传的文件 [英] How to save uploaded file using IFormFile in ASP.NET 5 RC1 MVC

问题描述

我正在将ASP.NET 5 RC与Visual Studio 2015一起使用.

I'm using ASP.NET 5 RC with Visual Studio 2015.

我定义了一个ViewModel:

I have a ViewModel defined:

public class TeamVM
{
    public IFormFile UploadedLogo { get; set; }
}

和一个控制器:

[HttpPost]
public IActionResult Create(TeamVM vm)
{
     vm.UploadedLogo.SaveAs("filename.txt"); // Problem here - There is no SaveAs method
     return View();
}

问题是智能感知表明没有SaveAs()方法.我发现此处该接口实际上没有SaveAs()方法.

The problem is that intellisense shows that there is no SaveAs() method. I found out here that this interface actually does not have a SaveAs() method.

此外，我意识到，如果将IFormFile更改为ICollection<IFormFile>并进行遍历，则IFormFile实例的集合将定义SaveAs()方法.

Also, I realized that if I change IFormFile to ICollection<IFormFile> and loop through, the collection the IFormFile instances will have the SaveAs() method defined.

就我而言，我要使用IFormFile而不是ICollection<IFormFile> .

In my case I want to use IFormFile instead of ICollection<IFormFile>.

如何使用IFormFile将文件保存到系统的正确方法?

How would be the correct way to save file to system using IFormFile?

推荐答案

我遵循了@garethb

I followed the link suggested by @garethb here and used the extension method as suggested. It works!

ASP.NET RC1解决方案:

要包含的命名空间

using Microsoft.AspNet.Http;

控制器动作

[HttpPost]
public IActionResult Create(TeamVM vm)
{
     FormFileExtensions.SaveAs(vm.UploadedLogo, "C:\pathTofile");
     return View();
}

该答案的信用转到@garethb.

Credit for this answer goes to @garethb.

ASP.NET RC2解决方案:

要包含的命名空间

using Microsoft.AspNetCore.Http;
using System.IO;

控制器动作

[HttpPost]
public IActionResult Create(TeamVM vm)
{
     // Make sure the path to the file exists
     vm.UploadedLogo.CopyTo(new FileStream("C:\pathTofile", FileMode.Create));
     return View();
}    

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