WPF & C# - 로그파일 만들기 ( LOG )

WPF & C# - 로그파일 만들기 ( LOG )

 

 

 

 

 

MainWindows.xaml.cs

 

private void btn_input_Click(object sender, RoutedEventArgs e)
{
   LogWrite(false, false, "버튼클릭");
}
 
private void LogWrite(bool isAddDate, bool isAddLine, string str)
{
    string DirPath = Environment.CurrentDirectory + @"\Log";
    string FilePath = DirPath + "\\Log_" + DateTime.Today.ToString("yyyyMMdd") + ".log";
    string temp;
 
    DirectoryInfo di = new DirectoryInfo(DirPath);
    FileInfo fi = new FileInfo(FilePath);
 
    try
    {
        if (!di.Exists) Directory.CreateDirectory(DirPath);
        if (!fi.Exists)
        {
            using (StreamWriter sw = new StreamWriter(FilePath))
            {
                if (isAddDate)                     temp = string.Format("{0} {1}", DateTime.Now.ToString("[yyyy-MM-dd HH:mm:ss.fff]"), str);                 else                     temp = string.Format("{0}", str);                 if (isAddLine)                     sw.WriteLine(temp);                 else                     sw.Write(temp);                 sw.Close();
            }
        }
        else
        {
            using (StreamWriter sw = File.AppendText(FilePath))
            {
                if (isAddDate)                     temp = string.Format("{0} {1}", DateTime.Now.ToString("[yyyy-MM-dd HH:mm:ss.fff]"), str);                 else                     temp = string.Format("{0}", str);                 if (isAddLine)                     sw.WriteLine(temp);                 else                     sw.Write(temp);                 sw.Close();
            }
        }
    }
    catch (Exception e)
    {
    }
}

 

 

 

 

사용하기

 

 

// 프로그램 실행

LogWrite(false, false, AppDomain.CurrentDomain.FriendlyName + "실행");