.NET是否有Base64Stream？ [英] Is there a Base64Stream for .NET?

问题描述

如果我想产生Base64编码的输出，我该如何在.NET中做到这一点？

If I want to produce a Base64-encoded output, how would I do that in .NET?

我知道从.NET 2.0开始，< a href = http://msdn.microsoft.com/en-us/library/system.security.cryptography.icryptotransform.aspx rel = noreferrer> ICryptoTransform 接口和
< a href = http://msdn.microsoft.com/zh-cn/library/system.security.cryptography.tobase64transform.aspx rel = noreferrer> ToBase64Transform（）和 FromBase64Transform（）实现。

I know that since .NET 2.0, there is the ICryptoTransform interface, and the ToBase64Transform() and FromBase64Transform() implementations of that interface.

但是这些类已嵌入到System.Security命名空间中，并且需要使用TransformBlock，TransformFinalBlock等。

But those classes are embedded into the System.Security namespace, and require the use of a TransformBlock, TransformFinalBlock, and so on.

是否有更简单的方法来对.NET中的数据流进行base64编码？

Is there an easier way to base64 encode a stream of data in .NET?

推荐答案

如果要转换为Base64的流，可以将 ToBase64Transform 放入 CryptoStream ：

If you want a stream that converts to Base64, you can put a ToBase64Transform into a CryptoStream:

new CryptoStream(stream, new ToBase64Transform(), CryptoStreamMode.Write)

如果仅要将单字节数组转换为Base64，则只需调用 Convert.ToBase64String（bytes） 。

If you just want to convert a single byte array to Base64, you can simply call Convert.ToBase64String(bytes).

在这两种情况下，都可以将 To 替换为 From 。

In both cases, you can replace the word To with From.

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