//压缩文件
public static void CompressFileLZMA(string inFile, string outFile, Action callBack)
{
Encoder coder = new SevenZip.Compression.LZMA.Encoder();
DGFileUtil.CreateDirectoryWhenNotExists(outFile);
FileStream input = new FileStream(inFile, FileMode.Open);
FileStream output = new FileStream(outFile, FileMode.Create);
// Write the encoder properties
coder.WriteCoderProperties(output);
// Write the decompressed file size.
output.Write(BitConverter.GetBytes(input.Length), 0, 8);
// Encode the file.
coder.Code(input, output, input.Length, -1, null);
output.Flush();
output.Close();
input.Close();
output.Dispose();
input.Dispose();
if (callBack != null)
{
callBack();
}
}
//解压缩文件
public static void DecompressFileLZMA(byte[] inFile, string outFile, Action callBack)
{
DGFileUtil.CreateDirectoryWhenNotExists(outFile);
SevenZip.Compression.LZMA.Decoder coder = new SevenZip.Compression.LZMA.Decoder();
MemoryStream input = new MemoryStream(inFile);
FileStream output = new FileStream(outFile, FileMode.Create);
// Read the decoder properties
byte[] properties = new byte[5];
input.Read(properties, 0, 5);
// Read in the decompress file size.
byte [] fileLengthBytes = new byte[8];
input.Read(fileLengthBytes, 0, 8);
long fileLength = BitConverter.ToInt64(fileLengthBytes, 0);
// Decompress the file.
coder.SetDecoderProperties(properties);
coder.Code(input, output, input.Length, fileLength, null);
output.Flush();
output.Close();
input.Close();
output.Dispose();
input.Dispose();
if (callBack != null)
{
callBack();
}
}