public class Logs

    {

        /// <summary>

        /// 写日志，指定日志文件

        /// </summary>

        /// <param name="File"></param>

        /// <param name="Msg"></param>

        public static void Info(string Msg)

        {

            try

            {

                string fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Log\\Info\\info-" + DateTime.Now.ToString("yyyyMMdd") + ".lg");

                string path = Path.GetDirectoryName(fileName);

                if (!System.IO.Directory.Exists(path))

                {

                    System.IO.Directory.CreateDirectory(path);

                    System.IO.File.CreateText(fileName).Dispose();

                }

                else if (!System.IO.File.Exists(fileName))

                {

                    System.IO.File.CreateText(fileName).Dispose();

                }

                using (TextWriter writer2 = System.IO.File.AppendText(fileName))

                {

                    StringBuilder sb = new StringBuilder();

                    sb.AppendLine("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");

                    sb.AppendLine("消息记录时间：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));

                    sb.AppendLine(Msg);

                    sb.AppendLine(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");

                    sb.AppendLine("");

                    writer2.WriteLine(sb.ToString());

                }

            }

            catch (Exception ex)

            {

            }

        }

        public static void Error(string Title, Exception exception)

        {

            try

            {

                string fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Log\\Error\\err-" + DateTime.Now.ToString("yyyyMMdd") + ".lg");

                string path = Path.GetDirectoryName(fileName);

                if (!System.IO.Directory.Exists(path))

                {

                    System.IO.Directory.CreateDirectory(path);

                    System.IO.File.CreateText(fileName).Dispose();

                }

                else if (!System.IO.File.Exists(fileName))

                {

                    System.IO.File.CreateText(fileName).Dispose();

                }

                using (TextWriter writer2 = System.IO.File.AppendText(fileName))

                {

                    StringBuilder sb = new StringBuilder();

                    sb.AppendLine("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");

                    sb.AppendLine("程序发生异常：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));

                    sb.AppendLine("异常标题：" + Title);

                    GetExceptionMsg(exception, sb, "");

                    sb.AppendLine(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");

                    sb.AppendLine("");

                    writer2.WriteLine(sb.ToString());

                }

            }

            catch (Exception ex)

            {

            }

        }

        static void GetExceptionMsg(Exception ex, StringBuilder sb, string Prefix = "")

        {

            sb.AppendLine(Prefix + "【异常类型】：" + ex.GetType().Name);

            sb.AppendLine(Prefix + "【异常信息】：" + ex.Message);

            sb.AppendLine(Prefix + "【堆栈调用】：" + ex.StackTrace);

            sb.AppendLine(Prefix + "【异常方法】：" + ex.TargetSite);

            if (ex.InnerException != null)

                GetExceptionMsg(ex.InnerException, sb, Prefix + "\t");

        }

    }