LogHelper

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using System; using System.IO; using System.Text;   namespace ZB.QueueSys.Common {     public class LogHelper     {         //private static LogHelper instance;         //public static LogHelper Instance         //{         //    get         //    {         //        if (instance == null) instance = new LogHelper();         //        return LogHelper.instance;         //    }         //}           //定义一个用于保存静态变量的实例         private static LogHelper instance = null;         //定义一个保证线程同步的标识         private static readonly object locker = new object();         //构造函数为私有，使外界不能创建该类的实例         private LogHelper() { }         public static LogHelper Instance         {             get             {                 if (instance == null)                 {                     lock (locker)                     {                         if (instance == null) instance = new LogHelper();                     }                 }                 return instance;             }         }             public static LogHelper Default = new LogHelper();         public string OutputLog = PubVariable.Instance.IsUseLog;         public const string DIAG = "Diag";         public const string Enrol = "Enrol";           public StringBuilder sb = new StringBuilder();         public void WriteCacheLog(string msg)         {             sb.Append(DateTime.Now.ToString("HH:mm:ss") + ": " + msg + "\r\n");         }           public void SaveLogToTxt(string logFile)         {             bool isAppend = false;             if (File.Exists(logFile))             {                 //File.Delete(logFile);                 isAppend = true;             }               using (StreamWriter sw = new StreamWriter(logFile, isAppend))             {                 sw.WriteLine(sb.ToString());                 sw.Flush();                 sw.Close();             }         }         /// <summary>         /// 保存并输出日志         /// </summary>         /// <param name="WriteTxt"></param>         /// <param name="isOutPut">0、不输出</param>         public void SaveTextAndOutPut(string WriteTxt, string isOutPut)         {             try             {                 if (isOutPut == "0") return;                 string LogPath = "C:\\ZB.QueueSys\\TempLog\\";                 LogPath = PubVariable.Instance.LogFilePath;                 if (!Directory.Exists(LogPath))                 {                     Directory.CreateDirectory(LogPath);                 }                   LogPath += System.DateTime.Now.ToString("yyyyMMdd");                 if (!Directory.Exists(LogPath))                 {                     Directory.CreateDirectory(LogPath);                 }                 //创建一个文件流，用以写入或者创建一个StreamWriter                 FileStream fs = new FileStream(LogPath + "\\D" + System.DateTime.Now.Hour.ToString() + ".txt", FileMode.OpenOrCreate, FileAccess.Write);                 StreamWriter m_streamWriter = new StreamWriter(fs);                 m_streamWriter.Flush();                   // 使用StreamWriter来往文件中写入内容                 m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);                 // 把richTextBox1中的内容写入文件                 m_streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss") + ": \n\r" + WriteTxt);                 //关闭此文件                 m_streamWriter.Flush();                 m_streamWriter.Close();             }             catch             {             }         }           public void SaveText(string WriteTxt)         {             try             {                 if (OutputLog == "0") return;                 string LogPath = "C:\\ZB.QueueSys\\TempLog\\";                 LogPath = PubVariable.Instance.LogFilePath;                 if (!Directory.Exists(LogPath))                 {                     Directory.CreateDirectory(LogPath);                 }                   LogPath += System.DateTime.Now.ToString("yyyyMMdd");                 if (!Directory.Exists(LogPath))                 {                     Directory.CreateDirectory(LogPath);                 }                 //创建一个文件流，用以写入或者创建一个StreamWriter                 FileStream fs = new FileStream(LogPath + "\\D" + System.DateTime.Now.Hour.ToString() + ".txt", FileMode.OpenOrCreate, FileAccess.Write);                 StreamWriter m_streamWriter = new StreamWriter(fs);                 m_streamWriter.Flush();                   // 使用StreamWriter来往文件中写入内容                 m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);                 // 把richTextBox1中的内容写入文件                 m_streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss") + ": \n\r" + WriteTxt);                 //关闭此文件                 m_streamWriter.Flush();                 m_streamWriter.Close();             }             catch             {             }         }           public void SaveAsText(string WriteTxt)         {             try             {                 string LogPath = "C:\\Temp\\Diag\\";                 if (!Directory.Exists(LogPath)) return; //作为开关用                   LogPath += System.DateTime.Now.ToString("yyyyMMdd");                 if (!Directory.Exists(LogPath)) Directory.CreateDirectory(LogPath);                 //创建一个文件流，用以写入或者创建一个StreamWriter                 FileStream fs = new FileStream(LogPath + "\\D" + System.DateTime.Now.Hour.ToString() + ".txt", FileMode.OpenOrCreate, FileAccess.Write);                 StreamWriter m_streamWriter = new StreamWriter(fs);                 m_streamWriter.Flush();                   // 使用StreamWriter来往文件中写入内容                 m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);                 // 把richTextBox1中的内容写入文件                 m_streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss") + ": " + WriteTxt);                 //关闭此文件                 m_streamWriter.Flush();                 m_streamWriter.Close();             }             catch             {             }         }           public void SaveAsText(string WriteTxt, string Studyid)         {             try             {                 string LogPath = "C:\\Temp\\DIAG\\";                 if (!Directory.Exists(LogPath)) return; //作为开关用                   LogPath = LogPath + System.DateTime.Now.ToString("yyyyMMdd");                 if (!Directory.Exists(LogPath)) Directory.CreateDirectory(LogPath);                   if (string.IsNullOrEmpty(Studyid)) Studyid = "1000";                 string filename = LogPath + "\\" + Studyid + ".txt";                   //创建一个文件流，用以写入或者创建一个StreamWriter                 FileStream fs = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write);                 StreamWriter m_streamWriter = new StreamWriter(fs);                 m_streamWriter.Flush();                   // 使用StreamWriter来往文件中写入内容                 m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);                 // 把richTextBox1中的内容写入文件                 m_streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss.fff") + ": " + WriteTxt);                 //关闭此文件                 m_streamWriter.Flush();                 m_streamWriter.Close();             }             catch             {             }         }     }       public class MyLogHelper     {         /// <summary>         /// 信息类型         /// </summary>         public enum LogLevel         {             /// <summary>             /// 普通信息             /// </summary>             Info,             /// <summary>             /// 错误             /// </summary>             Error         }           /// <summary>         /// 普通信息写入日志         /// </summary>         /// <param name="message"></param>         /// <param name="logType"></param>         public static void Info(string message, LogType logType = LogType.Overall)         {             if (string.IsNullOrEmpty(message)) return;             var path = string.Format(@"\{0}\", logType.ToString());             WriteLog(path, "", message);         }         /// <summary>         /// 自定义错误信息写入         /// </summary>         /// <param name="message">自定义消息</param>         /// <param name="logType">存储目录类型</param>         public static void Error(string message, LogType logType = LogType.Overall)         {             if (string.IsNullOrEmpty(message)) return;             var path = string.Format(@"\{0}\", logType.ToString());             WriteLog(path, "Error ", message);         }         /// <summary>         /// 程序异常信息写入         /// </summary>         /// <param name="e">异常</param>         /// <param name="logType">存储目录类型</param>         public static void Error(Exception e, LogType logType = LogType.Overall)         {             if (e == null) return;             var path = string.Format(@"\{0}\", logType.ToString());             WriteLog(path, "Error ", e.Message);         }         /// <summary>         /// 写日志的最终执行动作         /// </summary>         /// <param name="path">文件路径</param>         /// <param name="prefix">前缀</param>         /// <param name="message">内容</param>         public static void WriteLog(string path, string prefix, string message)         {             path = @"C:\RisLog\";               if (!Directory.Exists(path)) Directory.CreateDirectory(path);               var fileName = string.Format("{0}{1}.Log", prefix, DateTime.Now.ToString("yyyy-MM-dd"));             if (!Directory.Exists(path)) Directory.CreateDirectory(path);               using (FileStream fs = new FileStream(path + fileName, FileMode.Append, FileAccess.Write, FileShare.Write, 1024, FileOptions.Asynchronous))             {                 byte[] buffer = System.Text.Encoding.UTF8.GetBytes(DateTime.Now.ToString("HH:mm:ss") + " " + message + "\r\n");                 IAsyncResult writeResult = fs.BeginWrite(buffer, 0, buffer.Length,                     (asyncResult) =>                     {                         var fStream = (FileStream)asyncResult.AsyncState;                         fStream.EndWrite(asyncResult);                     },                       fs);                 fs.Close();             }         }     }       /// <summary>     /// 日志文件存放文件夹分类枚举     /// </summary>     public enum LogType     {         /// <summary>         /// 普通信息         /// </summary>         Info,         /// <summary>         /// 错误         /// </summary>         Error,         /// <summary>         /// 其他全部信息         /// </summary>         Overall,     }   }