1 if (!string.IsNullOrEmpty(toCompress))
 2         {
 3             Debug.Log("得到的待解压到字符串是："+toCompress);
 4             byte[] inBuffer = Encoding.UTF8.GetBytes(toCompress);
 5             using (MemoryStream compressedStream = new MemoryStream())
 6             {
 7                 using (GZipStream gzip = new GZipStream(compressedStream, CompressionMode.Compress,true))
 8                 {
 9                     gzip.Write(inBuffer, 0, inBuffer.Length);
10                 }
11 
12                 compressedStream.Position = 0;
13 
14                 // store the length of the uncompressed array (inBuffer) at the first 4 bytes in outBuffer
15                 byte[] outBuffer = new byte[compressedStream.Length + 4];
16                 System.Buffer.BlockCopy(compressedStream.ToArray(), 0, outBuffer, 4, Convert.ToInt32(compressedStream.Length));
17                 System.Buffer.BlockCopy(BitConverter.GetBytes(inBuffer.Length), 0, outBuffer, 0, 4);
18 
19                 return Convert.ToBase64String(outBuffer);
20             }
21         }
22         else
23         {
24             return string.Empty;
25         }