.NET MVC下的日志文件生成法

/// <summary>
        /// 写日志文件
        /// </summary>
        /// <param name="Infos">日志内容</param>
        /// <param name="fileNameParam">文件名（不带后缀）</param>
        public static void WriteLog(string Infos, string fileNameParam)
        {
            try
            {
                StackTrace trace = new StackTrace();
                MethodBase method = trace.GetFrame().GetMethod();
                Infos = "[" + method.Name + "]" + Infos;
            }
            catch { }
            WriteLogFile(Infos, fileNameParam, "");
        }
        /// <summary>
        /// 写日志文件
        /// </summary>
        /// <param name="Infos">日志内容</param>
        /// <param name="fileNameParam">文件名（不带后缀）</param>
        /// <param name="filePathParam">附加子路径</param>
        public static void WriteLogFile(string Infos, string fileNameParam, string filePathParam)
        {
            FileStream fs = null;
            try
            {
                string filename = "";

                //年月日
                string str = System.DateTime.Now.Date.Year.ToString() + "-" + System.DateTime.Now.Date.Month.ToString() + "-" + System.DateTime.Now.Date.Day.ToString();

                filename = AppDomain.CurrentDomain.BaseDirectory + "\\Logs\\" + filePathParam + "\\" + str + fileNameParam + ".log";

                //如果不存在该目录就创建该目录
                if (!Directory.Exists(AppDomain.CurrentDomain.BaseDirectory + "\\Logs\\" + filePathParam + "\\"))
                {
                    Directory.CreateDirectory(AppDomain.CurrentDomain.BaseDirectory + "\\Logs\\" + filePathParam + "\\");
                }

                //如果该文件存在则往里面写日志
                //ERROR: “System.Web.Mvc.Controller.File(string, string, string)”是一个“方法”，这在给定的上下文中无效
                // 这是一个与Controller.File方法和System.IO.File类名称冲突的问题,只要完整输入明确类名就可解决。

                if (System.IO.File.Exists(filename))
                {
                    fs = new FileStream(filename, FileMode.Open, FileAccess.Write);
                }
                else
                {
                    fs = new FileStream(filename, FileMode.Create, FileAccess.Write);
                }

                byte[] Bt;
                string curLine;

                //时分秒+日志信息
                curLine = DateTime.Now.Hour + ":" + DateTime.Now.Minute + ":" + DateTime.Now.Second + "  " + Infos + "\r\n\r\n";

                Bt = new byte[curLine.Length * ];
                Bt = Encoding.UTF8.GetBytes(curLine);

                fs.Position = fs.Length;
                fs.Write(Bt, , Bt.Length);
                fs.Close();
            }
            catch (Exception)
            {
                if (fs != null)
                {
                    fs.Close();
                }
            }
        }