请大家帮忙看看源码，为什么生成的Gzip文件解压后打开显示全是NULL?

Question

逻辑是这样的：
有一个大文件，格式如下
0123456       
T Abc 123       
T ffg 456
T you 789
1 X abc
...(省略具体的内容)
...
1 Y efg
...
...
1 Z klp
...
...
要求分割拆分成不同的文件，纵列第一个数字0到第一个1之间为Title,每个1需要按照Title+内容来生成文件如：x.gzip,y.gzip,z.gzip...现在我用代码实现了分割，且生成了gzip文件，但是用解压软件解开之后，用记事本打开却看到全部是NULL，如下图所示请大家指点一下，谢谢！            string line = null;
            StringBuilder strHeaderBuilder = new StringBuilder(line);
            StreamReader strReader = null;            byte[] buffer = null;
            FileStream destinationStream = null;
            GZipStream compressedStream = null;            try
            {
                strReader = new StreamReader(txtSource.Text);
                //Read Header
                line = strReader.ReadLine();
                //the first line must be start with char '0'.
                if (string.IsNullOrEmpty(line) || line[0] != '0')
                {
                    throw new Exception(this.ResourceManager.GetString("MSSCOR_MST_000350"));
                }                while (strReader.EndOfStream == false)
                {
                    if (string.IsNullOrEmpty(line) == false && line[0] == '1')
                    {
                        break;
                    }
                    //Header
                    strHeaderBuilder.AppendLine(line);
                    line = strReader.ReadLine();
                }                if (strHeaderBuilder.Length == 0 || strReader.EndOfStream)
                {                    throw new Exception(this.ResourceManager.GetString("MSSCOR_MST_000350"));
                }                //the body has read one line.
                while (true)
                {
                    if (string.IsNullOrEmpty(line) == false && line[0] == '1')
                    {
                        if (compressedStream != null)
                        {
                            compressedStream.Close();
                            compressedStream = null;
                        }
                        if (destinationStream != null)
                        {
                            destinationStream.Close();
                            destinationStream = null;
                        }
                        String[] beginLines = line.Split(new String[] { " " }, StringSplitOptions.RemoveEmptyEntries);
                        if (beginLines.Length < 2)
                        {
                            throw new Exception(this.ResourceManager.GetString("MSSCOR_MST_000350"));
                        }                        string tmpPath = Path.Combine(txtDestination.Text, beginLines[1].Trim() + '.' + fileName + ".gzip");
                        destinationStream = new FileStream(tmpPath, FileMode.OpenOrCreate, FileAccess.Write);
                        compressedStream = new GZipStream(destinationStream, CompressionMode.Compress);                        buffer = new byte[strHeaderBuilder.Length];
                        compressedStream.Write(buffer, 0, buffer.Length);
                        buffer = new byte[line.Length];
                        compressedStream.Write(buffer, 0, buffer.Length);
                    }
                    else
                    {
                        buffer = new byte[line.Length];
                        compressedStream.Write(buffer, 0, buffer.Length);
                    }                    if (strReader.EndOfStream)
                    {
                        if (compressedStream != null)
                        {
                            compressedStream.Close();
                            compressedStream = null;
                        }
                        if (destinationStream != null)
                        {
                            destinationStream.Close();
                            destinationStream = null;
                        }
                        break;
                    }
                    line = strReader.ReadLine();
                }            }
            finally
            {
                if (strReader != null)
                {
                    strReader.Close();
                }
                if (destinationStream != null)
                {
                    destinationStream.Close();
                }                if (compressedStream != null)
                {
                    compressedStream.Close();
                }
            }

Answer 1

自己找到原因了，是没有放数据进去。嘿嘿。现在解决了。