Log输出

using System.IO;
using System;
public class OutputLog
{
    #region 添加Log
    public static string logFilePath = System.Configuration.ConfigurationSettings.AppSettings["LogFile"].ToString();
    private static void AppendLogs(string logMessage)
    {
        try
        {
            if (!Directory.Exists(logFilePath))
            {
                Directory.CreateDirectory(logFilePath);
            }

            string path = logFilePath + "Log.txt";
            StreamWriter sw = null;
            if (!File.Exists(path))
            {
                sw = File.CreateText(path);
            }
            else
            {
                sw = File.AppendText(path);
            }
            sw.WriteLine();
            sw.WriteLine("时间：" + DateTime.Now);
            sw.WriteLine(logMessage);
            sw.Flush();
            sw.Close();
        }
        catch (System.Exception ex)
        {
            throw ex;
        }
    }
    #endregion
}