C# 將日志寫入文本文件 實現代碼

#region 記錄文本文件日志方法        /// <summary>
        /// 記錄文本文件日志方法
        /// </summary>
        /// <param name="FileContent">需要記錄的文件內容</param>
        /// <param name="TxtFileName">保存的文件名</param>
        /// <param name="ErrMsg">錯誤信息</param>
        /// <returns></returns>
        public static bool WriteFile(string FileContent, string TxtFileName, out string ErrMsg)
        {
            ErrMsg = string.Empty;
            StreamWriter writer = null;
            string sCurDate = System.DateTime.Now.ToString("yyyy-MM-dd");
            string sFile = sCurDate + TxtFileName + ".txt";
            sFile = "D:\\Log\\Log001.txt";
            try
            {
                if (File.Exists(sFile))
                    writer = new StreamWriter(sFile, true, System.Text.Encoding.GetEncoding("UTF-8"));
                else
                    writer = new StreamWriter(sFile, false, System.Text.Encoding.GetEncoding("UTF-8"));
                string sDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:sss");
                writer.WriteLine("<" + sDateTime + "> " + " " + FileContent);
            }
            catch (IOException e)
            {
                ErrMsg = e.Message;
                return false;
            }
            finally
            {
                if (writer != null)
                    writer.Close();
            }
            return true;
        }
        #endregion小注：