net实现压缩功能

浏览数：27 / 时间：2015年06月09日

public 
static class Compressor    {
         
            public 
static byte[] Compress(byte[] data)
            {
                using 
(MemoryStream output = new 
MemoryStream())
                {
                    using 
(GZipStream gzip = new 
GZipStream(output, CompressionMode.Compress, true))
                    {
                        gzip.Write(data, 0, data.Length);
                        gzip.Close();
                        return 
output.ToArray();
                    }
                }
            }
 
            public 
static byte[] Decompress(byte[] data)
            {
                using 
(MemoryStream input = new 
MemoryStream())
                {
                    input.Write(data, 0, data.Length);
                    input.Position = 0;
                    using 
(GZipStream gzip = new 
GZipStream(input, CompressionMode.Decompress, true))
                    {
                        using 
(MemoryStream output = new 
MemoryStream())
                        {
                            byte[] buff = new 
byte[64];
                            int 
read = -1;
                            read = gzip.Read(buff, 0, buff.Length);
                            while 
(read > 0)
                            {
                                output.Write(buff, 0, read);
                                read = gzip.Read(buff, 0, buff.Length);
                            }
                            gzip.Close();
                            return 
output.ToArray();
                        }
                    }
                }
            }