问题描述

我在 .NET 中使用 StreamReader 类，如下所示:

I'm using the StreamReader class in .NET like this:

using( StreamReader reader = new StreamReader( "c:somefile.html", true ) {
    string filetext = reader.ReadToEnd();
}

当文件有 BOM 时，这可以正常工作.我遇到了一个没有 BOM 的文件的麻烦.. 基本上我得到了胡言乱语.当我指定 Encoding.Unicode 时它工作正常，例如:

This works fine when the file has a BOM. I ran into trouble with a file with no BOM .. basically I got gibberish. When I specified Encoding.Unicode it worked fine, eg:

using( StreamReader reader = new StreamReader( "c:somefile.html", Encoding.Unicode, false ) {
    string filetext = reader.ReadToEnd();
}

因此，我需要将文件内容转换为字符串.那么人们通常是如何处理的呢?我知道没有解决方案可以 100% 的时间有效，但我想提高我的几率.. 显然有软件可以尝试猜测(例如，记事本、浏览器等)..NET 框架中是否有一种方法可以为我猜测?有没有人有一些他们想分享的代码?

So, I need to get the file contents into a string. So how do people usually handle this? I know there's no solution that will work 100% of the time, but I'd like to improve my odds .. there is obviously software out there that tries to guess (eg, notepad, browsers, etc). Is there a method in the .NET framework that will guess for me? Does anyone have some code they'd like to share?

更多背景:这个 问题 与我的几乎相同，但我在 .NET 领域.这个问题让我找到了一个博客，列出了各种编码检测库，但没有在 .NET 中

More background: This question is pretty much the same as mine, but I'm in .NET land. That question led me to a blog listing various encoding detection libraries, but none are in .NET

推荐答案

图书馆http://www.codeproject.com/KB/recipes/DetectEncoding.aspx

也许是一个关于 stackoverflow 的有用线程

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