C# 简易日志记录类

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public class MyLog

{

    public static void WriteLog(string error)

    {

        WriteLog(error, null);

    }

 

    public static void WriteLog(string error, Exception ex)

    {

        string dir = Application.StartupPath + "\\LOG";

        if (!Directory.Exists(dir))

        {

            Directory.CreateDirectory(dir);

        }

 

        error = DateTime.Now.ToString() + " " + error + System.Environment.NewLine;

 

        if (ex != null)

        {

            error += ex.ToString() + System.Environment.NewLine;

        }

 

        string logFilePath = dir + "\\log_" + DateTime.Now.ToString("yyyy-MM-dd") + ".log";

        File.AppendAllText(logFilePath, error);

    }

}