有没有办法让所有的M​​IME类型，而不是wrinting一个巨大的case语句？ [英] Is there a way to get ALL the MIME types instead of wrinting a huge case statement?

问题描述

我要填充

Response.ContentType = "text/plain";

从某处的服务器/网络/字典所有可能MIME根据文件扩展类型：

From somewhere in the server/web/dictionary ALL possible MIME types according to file extension:

public string GetMimeType(string extension)
{
    //This is what I am looking for.    
}

另外，我要重命名文件（至少如果要下载，所以我必须要事先知道，如果它要被打开或没有。

Also, I have to rename the file (at least if going to be downloaded, so I have to know in advance if it's going to be opened or not.

推荐答案

您可以存储MIME类型当文件被上传（文件上传。的 PostedFile.ContentType ）和发送时请求的文件。

You can store the mimetype when the file is uploaded ( FileUpload.PostedFile.ContentType ) and send that when the file is requested.

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