private void cmdConvert_Click(object sender, EventArgs e)
        {
            string FileName=FileDialog.FileName;

            string NewFileName = BrowserDialog.SelectedPath + "\\" + "JG.txt";
             using (System.IO.StreamReader reader = new System.IO.StreamReader(FileName, Encoding.Default))
             {
                 while (!reader.EndOfStream)
                 {
                     StrList.Add(reader.ReadLine());//将你读取的每行数据写入ArrayList中
                 }
             }
             FileStream fs = new FileStream(NewFileName, FileMode.OpenOrCreate, FileAccess.Write);
             StreamWriter Line = new StreamWriter(fs, System.Text.Encoding.GetEncoding("GB2312"));
             Line.Flush();
             Line.BaseStream.Seek(0, SeekOrigin.Begin);

            ////////////////////////////////add by libiao/////////////////////////////////////
             string[] lines = File.ReadAllLines(FileName);//读出所有行
             for (int i = 0; i < lines.Length; i++)//对每一行进行处理
            {
                string line = lines[i];
                if ((int)line[0] > 127)//判断每一行是否以汉字开头（汉字的ASCII码大于127），若是，则不用转换，直接写入，否则进行转换
                {
                    Line.WriteLine(StrList[i]);//输出
                    continue;//继续读取下一行
                }
                else
                {
                    string convert_no = line.Substring(0, 8);//读前8个数字
                    string convert_no_after = "";
                    //因为.dat文件中的是16进制，而ASCII对应的是10进制，所以首先要将读出的16进制的字符串转换为10进制的整数，
                    //再将整数转换为字节数组，因为最后获得字符的函数的参数是字节数组
                    for (int j = 0; j < 8; )//循环读取8个数字中的每两个数字，单独进行转换
                    {
                        int no = System.Convert.ToInt32(convert_no.Substring(j, 2), 16);//16进制->10进制
                        byte[] Array = System.BitConverter.GetBytes(no); //int->byte[]
                        string sArray = System.Text.Encoding.ASCII.GetString(Array); //byte[]-> ASCII
                        convert_no_after += sArray.Substring(0,1);//看到的分开的那些字符的处理，因为实际转换后的每个字符其后有3个0，去掉它，只要前面第一个字符
                        j = j + 2;//读下一个2位数字
                    }

                    //其他的我没做，大概思路一样
                    string convert_date = line.Substring(8, 8);//读8个数字的日期
                    string convert_hour = line.Substring(16, 2);//读时间
                    string convert_minute = line.Substring(18, 2);//读分钟
                    string convert_pre = line.Substring(20, 4);//读精度
                    string convert_reminder = line.Substring(24);//读余下的

                    line = convert_no_after + convert_date + convert_hour + convert_minute + convert_pre + convert_reminder;
                    StrList[i] = line;//转换后赋值
                }
            //////////////////////////////////////////////////////////////////////////

                Line.WriteLine(StrList[i]);//数据写入新文本文件  
            }
            Line.Flush();
            Line.Close();      
            MessageBox.Show("文件生成成功","文件转换器",MessageBoxButtons.OK, MessageBoxIcon.Information);
            Application.Exit();
        }