Beispiel #1
0
        internal static string BytesToText(byte[] buff, Encoding encoding)
        {
            if (buff == null || buff.Length == 0)
            {
                return("");
            }
            var detect = new TextEncodingDetect();

            encoding = detect.GetEncoding(buff, encoding);
            if (detect.hasBom)
            {
                if (encoding == Encoding.UTF8)
                {
                    return(encoding.GetString(buff, 3, buff.Length - 3));
                }
                if (encoding == Encoding.Unicode || encoding == Encoding.BigEndianUnicode)
                {
                    return(encoding.GetString(buff, 2, buff.Length - 2));
                }
                if (encoding == Encoding.UTF32)
                {
                    return(encoding.GetString(buff, 4, buff.Length - 4));
                }
            }

            return(encoding.GetString(buff));
        }
Beispiel #2
0
        internal static bool Save(string fileName, string text, bool isAppend, bool writeLogOnError, Encoding encode,
                                  int tryCount)
        {
            try
            {
                //System.Text.Encoding.UTF8
                var folder = Path.GetDirectoryName(fileName);
                if (!Directory.Exists(folder))
                {
                    Directory.CreateDirectory(folder);
                }
                if (File.Exists(fileName))
                {
                    var detect       = new TextEncodingDetect();
                    var detectEncode = detect.GetEncoding(File.ReadAllBytes(fileName), encode);
                    if (detectEncode != Encoding.ASCII)
                    {
                        encode = detectEncode;
                    }
                }

                lock (GetLockObj(fileName.Length))
                {
                    try
                    {
                        using var writer = new StreamWriter(fileName, isAppend, encode);
                        if (!isAppend && fileName.EndsWith(".txt"))
                        {
                            //写入bom头
                        }

                        writer.Write(text);
                    }
                    catch (Exception err)
                    {
                        if (tryCount > 0)
                        {
                            tryCount--;
                            Thread.Sleep(500 + (3 - tryCount) * 500);
                            Save(fileName, text, isAppend, writeLogOnError, encode, tryCount);
                        }
                    }
                }

                return(true);
            }
            catch (Exception err)
            {
                if (tryCount != 3)
                {
                    return(false);
                }
                if (writeLogOnError)
                {
                }
            }

            return(false);
        }