C#日志系统记录

来源：互联网发布：动态主题软件下载编辑：程序博客网时间：2024/05/18 05:09
public  class Comm    {        /// <summary>        /// 日志文件记录        /// </summary>        /// <param name="msg">写入信息</param>        //public static void WriteMsg(string msg)        //{        //    string path = Path.Combine("./log");        //    if (!Directory.Exists(path))//判断是否有该文件        //        Directory.CreateDirectory(path);        //    string logFileName = path + "\\" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";//生成日志文件        //    if (!File.Exists(logFileName))//判断日志文件是否为当天        //        File.Create(logFileName);//创建文件        //    StreamWriter writer;                                      //    try        //    {        //        writer = File.AppendText(logFileName);//文件中添加文件流        //        writer.WriteLine(DateTime.Now.ToString("HH:mm:ss") + " " + msg);        //        writer.Flush();        //        writer.Close();        //    }        //    catch (Exception e)        //    {        //        writer = File.AppendText(logFileName);        //        writer.WriteLine(DateTime.Now.ToString("日志记录错误HH:mm:ss") + " " + e.Message + " " + msg);        //        writer.Flush();        //        writer.Close();        //    }        //}        //日志保存路径，不包括文件名        private static string filePath = System.AppDomain.CurrentDomain.BaseDirectory + "log";        //日志完整路径，包括文件名        //private static string file = filePath + "";       private static string logFileName = filePath + "\\" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";        //    if (!File.Exists(logFileName))//判断日志文件是否为当天        //        File.Create(logFileName);//创建文件        /// <summary>        /// 创建文件夹和日志文件        /// </summary>        private static void CreateLogFile()        {            //文件不存在，则创建新文件            if (!Directory.Exists(filePath))            {                try                {                    //按照路径创建目录                    Directory.CreateDirectory(filePath);                }                catch (System.Exception e)                {                    throw new System.Exception(e + "创建目录失败！");                }            }            if (!File.Exists(logFileName))            {                FileStream filestream = null;                try                {                    filestream = File.Create(logFileName);                    /*创建日志头部*/                    filestream.Dispose();                    filestream.Close();                    CreateLogHead();                }                catch (System.Exception ex)                {                    throw new System.Exception(ex + "创建日志文件失败");                }            }        }        /// <summary>        /// 创建日志头部        /// </summary>        private static void CreateLogHead()        {            System.IO.StreamWriter sw = null;            try            {                sw = new System.IO.StreamWriter(logFileName, true, System.Text.Encoding.UTF8);                sw.WriteLine();                sw.WriteLine();                sw.WriteLine("【日志创建时间***********】【日志内容******************************************************PDF】");                sw.WriteLine();                sw.WriteLine();            }            catch { }            finally            {                sw.Flush();                sw.Dispose();                sw.Close();            }        }        /// <summary>        ///写入日志，        ///自动创建文件夹和文件，        ///日志文件创建到系统启动项根目录的Log文件夹下。        /// </summary>        /// <param name="logText">参数，日志内容</param>        /// <returns>日志写入成功返回true,失败返回false</returns>        public static void WriteLogToFile(string logText)        {            CreateLogFile();            //true 如果日志文件存在则继续追加日志             System.IO.StreamWriter sw = null;            try            {                sw = new System.IO.StreamWriter(logFileName, true, System.Text.Encoding.UTF8);                sw.WriteLine();                sw.WriteLine("【  " + System.DateTime.Now.ToString() + "  】" + "【  " + logText + "  】");                sw.WriteLine();                //return true;            }            catch (System.Exception ex)            {                //return false;                throw new System.Exception(ex + "写入日志失败，检查！");            }            finally            {                sw.Flush();                sw.Dispose();                sw.Close();            }        }    }
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