我想要壓縮一些數據,單是這樣的:無法用單聲道壓縮?
public static string Save(FlightProgram program, bool compressed)
{
using (MemoryStream ms = new MemoryStream())
{
BinaryFormatter f = new BinaryFormatter();
if (compressed)
{
using (DeflateStream gz = new DeflateStream(ms, CompressionMode.Compress))
{
f.Serialize(gz, program);
}
}
else
{
f.Serialize(ms, program);
}
return Convert.ToBase64String(ms.ToArray()).Replace('/', '_');
}
}
我只是得到了異常「CreateZStream」。沒有內在的例外。這裏發生了什麼 ?
堆棧跟蹤:
Could not save flight program: CreateZStream at at (wrapper managed-to-native) System.IO.Compression.DeflateStream:CreateZStream (System.IO.Compression.CompressionMode,bool,System.IO.Compression.DeflateStream/UnmanagedReadOrWrite,intptr)
at System.IO.Compression.DeflateStream..ctor (System.IO.Stream compressedStream, CompressionMode mode, Boolean leaveOpen, Boolean gzip) [0x00000] in <filename unknown>:0
at System.IO.Compression.DeflateStream..ctor (System.IO.Stream compressedStream, CompressionMode mode) [0x00000] in <filename unknown>:0
at KSPComputerModule.ProgramSerializer.Save (KSPComputer.FlightProgram program, Boolean compressed) [0x00000] in <filename unknown>:0
at KSPComputerModule.FPComputer.OnSave (.ConfigNode node) [0x00000] in <filename unknown>:0 (State: None)
我實際上不知道Unity是如何工作的,但我猜他們看IL代碼並重新編譯/重新鏈接它。也許他們完全不支持System.IO.Compression(請參閱:http://forum.unity3d.com/threads/solved-binary-data-compression-with-deflatestream.31258/) – mbx 2014-10-30 20:52:33