C# 記錄日誌

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        /// <summary>        /// 日誌部分        /// </summary>        /// <param name="fileName"></param>        /// <param name="type"></param>        /// <param name="content"></param>        public static void WriteLogs(string fileName, string type, string content)        {            string path = AppDomain.CurrentDomain.BaseDirectory;            if (!string.IsNullOrEmpty(path))            {                path = AppDomain.CurrentDomain.BaseDirectory + fileName;                if (!Directory.Exists(path))                {                    Directory.CreateDirectory(path);                }                path = path + "\\" + DateTime.Now.ToString("yyyyMMdd");                if (!Directory.Exists(path))                {                    Directory.CreateDirectory(path);                }                path = path + "\\" + DateTime.Now.ToString("yyyyMMdd") + ".txt";                if (!File.Exists(path))                {                    FileStream fs = File.Create(path);                    fs.Close();                }                if (File.Exists(path))                {                    StreamWriter sw = new StreamWriter(path, true, System.Text.Encoding.Default);                    sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + type + "-->" + content);                    //  sw.WriteLine("----------------------------------------");                    sw.Close();                }            }        }

 

using System;using System.Collections.Generic;using System.Text;using System.Diagnostics;  namespace Utils{    /// <summary>    /// <para>　</para>    /// 　常用工具類——系統日誌類    /// <para>　---------------------------------------------------</para>    /// <para>　WriteEventLog：寫入系統日誌(２個方法重載)</para>    /// <para>　DelEventName：刪除日誌事件來源分類</para>    /// </summary>    public class EventLogHelper    {        #region 寫入系統日誌        /// <summary>        /// 寫入系統日誌        /// </summary>        /// <param name="EventName">事件來源名稱</param>        /// <param name="LogStr">日誌內容</param>        public static void WriteEventLog(string EventName, string LogStr)        {            try            {                if (!EventLog.SourceExists(EventName))                {                    EventLog.CreateEventSource(EventName, EventName);                }                EventLog.WriteEntry(EventName, LogStr);            }            catch (Exception)            {            }        }        /// <summary>        /// 寫入系統日誌        /// </summary>        /// <param name="EventName">事件來源名稱</param>        /// <param name="LogType">日誌類型</param>        /// <param name="LogStr">日誌內容</param>        public static void WriteEventLog(string EventName, string LogStr, EventLogEntryType LogType)        {            try            {                if (!EventLog.SourceExists(EventName))                {                    EventLog.CreateEventSource(EventName, EventName);                }                EventLog.WriteEntry(EventName, LogStr, LogType);            }            catch (Exception)            {            }        }        #endregion          #region 刪除日誌事件來源分類        /// <summary>        /// 刪除日誌事件來源分類        /// </summary>        /// <param name="EventName">事件來源名</param>        /// <returns></returns>        public static bool DelEventName(string EventName)        {            bool flag = false;            try            {                if (EventLog.SourceExists(EventName))                {                    EventLog.DeleteEventSource(EventName,".");                    flag = true;                }            }            catch (Exception)            {            }            return flag;        }        #endregion    }}

EventLogHelper

 

C# 記錄日誌