如何获得应答QUOT;流＆QUOT;从MVC3 /剃刀的动作？ [英] How to get a response "stream" from an action in MVC3/Razor?

问题描述

我使用MVC3，.NET4，C＃。

I am using MVC3, .NET4, C#.

我需要创建使用剃刀查看一些XHTML。我通过一个动作做到这一点。

I need to create some XHTML using a Razor View. I do this via an Action.

    public ActionResult RenderDoc(int ReportId)
    {
        //A new document is created.

        return View();
    }

然后我需要从这个输出，并将其转换为Word文档。我使用的是第三方组件做到这一点，它需要一个流或文件为读入转换为DOC一个XHTML的源代码，如下所示：

I then need to take the output from this and convert it to a Word Doc. I am using a 3rd party component to do this and it expects a "stream" or a "file" for the XHTML source that is read in for conversion to a DOC, like the following:

document.Open(MyXhtmlStream,FormatType.Html,XHTMLValidationType.Transitional);

我的问题：

什么是称之为RenderDoc行动并获得结果作为流送入MyXhtmlStream。

What would be a good way to call the "RenderDoc" Action and obtain the result as a stream to feed into "MyXhtmlStream".

非常感谢。

编辑：我有另一个想法！

1）使该行动创建一个字符串（XHTMLString）内查看。我看到这样做对SO的方法。

1) Render the View within the action to create a String(XHTMLString). I have seen a method to do this on SO.

2）创建一个MemoryStream并把这个字符串转换成它。

2) Create a MemoryStream and put this string into it.

Stream MyStream = New MemoryStream("XHTMLString and encoding method");

EDIT2：根据达林的答案

我需要进一步clasyify一点，我希望通过调整达林的code为我的目的来做到这一点。

I need to clasyify a little further, and I hope to do this via tweaking Darin's code for my purpose.

 public class XmlDocumentResult : ActionResult
 {
  private readonly string strXhtmlDocument;
  public XmlDocumentResult(string strXhtmlDocument)
  {
    this.strXhtmlDocument = strXhtmlDocument;
  }

  public override void ExecuteResult(ControllerContext context)
  {
    WordDocument myWordDocument = new WordDocument();
    var response = context.HttpContext.Response;
    response.ContentType = "text/xml";
    myWordDocument.Open(response.OutputStream, FormatType.Html, XHTMLValidationType.Transitional);
  }
 }

以上是接近我所需要的。注意第三方WordDocument类型。所以仍然是如何得到了strXhtmlDocument变成了Response.OutputStream问题？

The above is closer to what I need. Note the 3rd Party WordDocument type. So there is still the issue of how I get the "strXhtmlDocument" into the "Response.OutputStream?

推荐答案

我只想写一个自定义的ActionResult来处理：

I would just write a custom ActionResult to handle that:

public class XmlDocumentResult : ActionResult
{
    private readonly Document document;
    public XmlDocumentResult(Document document)
    {
        this.document = document;
    }

    public override void ExecuteResult(ControllerContext context)
    {
        var response = context.HttpContext.Response;
        response.ContentType = "text/xml";
        document.Open(response.OutputStream, FormatType.Html, XHTMLValidationType.Transitional);
    }
}

您当然可以调整响应内容类型，如果必要，也追加内容处置头，如果你想要的。

You could of course adjust the response Content-Type if necessary and also append a Content-Disposition header if you want.

，然后只需有我的控制器操作返回这个自定义操作的结果：

And then simply have my controller action return this custom action result:

public ActionResult RenderDoc(int reportId)
{
    Document document = repository.GetDocument(reportId);
    return new XmlDocumentResult(document);
}

现在控制器动作并不需要处理管道code了。该控制器的动作确实是一个典型的控制器动作应该做的事：

Now the controller action doesn't need to handle plumbing code anymore. The controller action does what a typical controller action is supposed to do:

1. 查询模型


2. 通过这个模型，一个ActionResult

在您的情况下，模型是这样的文件类或不管它被调用。

In your case the model is this Document class or whatever it is called.

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