/// <summary>/// 復(fù)制流/// </summary>/// <param name="input">原始流</param>/// <param name="output">目標(biāo)流</param>public static void CopyStream(System.IO.Stream input, System.IO.Stream output){byte[] buffer = new byte[2000];int len;while ((len = input.Read(buffer, 0, 2000)) > 0){output.Write(buffer, 0, len);}output.Flush();}/// <summary>/// 壓縮字節(jié)數(shù)組/// </summary>/// <param name="sourceByte">需要被壓縮的字節(jié)數(shù)組</param>/// <returns>壓縮后的字節(jié)數(shù)組</returns>private static byte[] compressBytes(byte[] sourceByte){MemoryStream inputStream = new MemoryStream(sourceByte);Stream outStream = compressStream(inputStream);byte[] outPutByteArray = new byte[outStream.Length];outStream.Position = 0;outStream.Read(outPutByteArray, 0, outPutByteArray.Length);outStream.Close();inputStream.Close();return outPutByteArray;}/// <summary>/// 解壓縮字節(jié)數(shù)組/// </summary>/// <param name="sourceByte">需要被解壓縮的字節(jié)數(shù)組</param>/// <returns>解壓后的字節(jié)數(shù)組</returns>private static byte[] deCompressBytes(byte[] sourceByte){MemoryStream inputStream = new MemoryStream(sourceByte);Stream outputStream = deCompressStream(inputStream);byte[] outputBytes = new byte[outputStream.Length];outputStream.Position = 0;outputStream.Read(outputBytes, 0, outputBytes.Length);outputStream.Close();inputStream.Close();return outputBytes;}/// <summary>/// 壓縮流/// </summary>/// <param name="sourceStream">需要被壓縮的流</param>/// <returns>壓縮后的流</returns>private static Stream compressStream(Stream sourceStream){MemoryStream streamOut = new MemoryStream();ZOutputStream streamZOut = new ZOutputStream(streamOut, zlibConst.Z_DEFAULT_COMPRESSION);CopyStream(sourceStream, streamZOut);streamZOut.finish();return streamOut;}/// <summary>/// 解壓縮流/// </summary>/// <param name="sourceStream">需要被解壓縮的流</param>/// <returns>解壓后的流</returns>private static Stream deCompressStream(Stream sourceStream){MemoryStream outStream = new MemoryStream();ZOutputStream outZStream = new ZOutputStream(outStream);CopyStream(sourceStream, outZStream);outZStream.finish();return outStream;}

zlib.NET庫(kù)下載：http://www.componentace.com/zlib_.NET.htm

轉(zhuǎn)載于:https://www.cnblogs.com/kingBook/p/5970271.html

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