C# 写入类型到文件Helper类

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using System; using System.IO; using System.Text;   namespace Controls.Helper {     public class LoggerHelper     {         private static object o = new object();           private static string GetLogFilePath()         {             string filePath = AppDomain.CurrentDomain.BaseDirectory + @"\Log\ExeConfig\";             //判断路径、文件是否存在，如不存在则生成相关资源             if (!Directory.Exists(filePath))             {                 Directory.CreateDirectory(filePath);             }             //设置文件名             string currtime = DateTime.Now.ToString("yyyyMMdd");             filePath = filePath +currtime + ".log";             if (!File.Exists(filePath))             {                 FileStream fs = File.Create(filePath);                 fs.Close();             }             return filePath;         }           public static void WriteLog(string errorStr, Exception e)         {             try             {                 lock (o)                 {                     string filepath = GetLogFilePath();                     StreamWriter writer = new StreamWriter(filepath, true, Encoding.GetEncoding("utf-8"));                     string title = string.Format("================================{0}================================", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fff"));                     writer.WriteLine(string.Empty);                     writer.WriteLine(title);                     writer.WriteLine(string.Format("错误内容：{0}", errorStr));                     if (e != null)                     {                         writer.WriteLine(string.Format("异常信息：{0}", e.ToString()));                         writer.WriteLine(string.Format("错误消息: {0}", e.Message + (e.InnerException == null ? "" : e.InnerException.Message)));                         writer.WriteLine(string.Format("调用堆栈: {0}", e.StackTrace));                     }                           writer.WriteLine(title);                     writer.WriteLine(string.Empty);                     writer.Flush();                     writer.Close();                   }             }             catch (Exception ex)             {               }         }       } }