關(guān)于WPF MaterialDesign 示例的開源項(xiàng)目

using System;using System.Collections;using System.IO;using System.Text;using System.Threading;using System.Windows.Threading;namespace Helper
{public static class LogHelper
    {private static readonly Queue LogQueue = new Queue();private static bool _isStreamClose = true;private static bool _isThreadBegin = false;private static StreamWriter _fileStreamWriter;private static readonly string fileName =@"BugLog.txt";static int _intervalTime = 10000;// 10sstatic System.Timers.Timer _timer = new System.Timers.Timer(_intervalTime);/// <summary>/// 添加日志隊(duì)列/// </summary>/// <param name="message"></param>public static void AddLog(string message)
        {string logContent = $"[{DateTime.Now:yyyy-MM-dd hh:mm:ss}] =>{message}";
            LogQueue.Enqueue(logContent);if (!_isThreadBegin)
            {
                BeginThread();
            }
        }public static void AddLog(Exception ex)
        {var logContent = $"[{DateTime.Now:yyyy-MM-dd hh:mm:ss}]錯(cuò)誤發(fā)生在：{ex.Source}，\r\n 內(nèi)容：{ex.Message}";
            logContent += $"\r\n  跟蹤：{ex.StackTrace}";
            LogQueue.Enqueue(logContent);if (!_isThreadBegin)
            {
                BeginThread();
            }
        }/// <summary>/// 讀取日志隊(duì)列的一條數(shù)據(jù)/// </summary>/// <returns></returns>private static object GetLog()
        {return LogQueue.Dequeue();
        }/// <summary>/// 開啟定時(shí)查詢線程/// </summary>public static void BeginThread()
        {
            _isThreadBegin = true;//實(shí)例化Timer類，設(shè)置間隔時(shí)間為10000毫秒；     _timer.Interval = _intervalTime;

            _timer.Elapsed += SetLog;//到達(dá)時(shí)間的時(shí)候執(zhí)行事件；   _timer.AutoReset = true;//設(shè)置是執(zhí)行一次（false）還是一直執(zhí)行(true)；     _timer.Enabled = true;
        }/// <summary>/// 寫入日志/// </summary>private static void SetLog(object source, System.Timers.ElapsedEventArgs e)
        {if (LogQueue.Count == 0)
            {if (_isStreamClose) return;
                _fileStreamWriter.Flush();
                _fileStreamWriter.Close();
                _isStreamClose = true;return;
            }if (_isStreamClose)
            {
                Isexist();string errLogFilePath = Environment.CurrentDirectory + @"\Log\" + fileName.Trim();if (!File.Exists(errLogFilePath))
                {
                    FileStream fs1 = new FileStream(errLogFilePath, FileMode.Create, FileAccess.Write);
                    _fileStreamWriter = new StreamWriter(fs1);
                }else{
                    _fileStreamWriter = new StreamWriter(errLogFilePath, true);
                }
                _isStreamClose = false;
            }var strLog = new StringBuilder();var onceTime = 50;var lineNum = LogQueue.Count > onceTime ? onceTime : LogQueue.Count;for (var i = 0; i < lineNum; i++)
            {
                strLog.AppendLine(GetLog().ToString());
            }

            _fileStreamWriter.WriteLine(strLog.ToString());

        }/// <summary>/// 判斷是否存在日志文件/// </summary>private static void Isexist()
        {string path = Environment.CurrentDirectory + @"\Log\";if (!File.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
        }
    }
}