这篇博文主要记录在C#里把一个流(Stream)里的所有字节复制到另外一个流的几种方法。
- DotNet 4.5里可以用inStream.CopyToAsync(outStream)
- DotNet 4.0里可以用inStream.CopyToAsync(outStream)
- Dotnet 3.5或者更低版本,只能自己写CopyStream方法
public static void CopyStream(Stream input, Stream output) { byte[] buffer = new byte[32768]; int read; while ((read = input.Read(buffer, 0, buffer.Length)) > 0) { output.Write (buffer, 0, read); } }
参考了http://stackoverflow.com/questions/230128/best-way-to-copy-between-two-stream-instances
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