C#应用程序日志记录类

╰半夏微凉° 2021-11-05 15:34 278阅读 0赞

![在这里插入图片描述][20190807141244242.png]  
![在这里插入图片描述][20190807141251749.png]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Jhb2JpbmdqaQ_size_16_color_FFFFFF_t_70]  
![在这里插入图片描述][20190807141310772.png]

public class LogHelper
        {
            private const string SError = "Error";
            private const string SDebug = "Debug";
            private const string DefaultName = "Info";
    
            static LogHelper()
            {
                string path = AppDomain.CurrentDomain.BaseDirectory + @"\log4net_config.xml";
                log4net.Config.XmlConfigurator.Configure(new FileInfo(path));
            }
    
            public static log4net.ILog GetLog(string logName)
            {
                log4net.ILog log = log4net.LogManager.GetLogger(logName);
                return log;
            }
    
            public static void Debug(string message)
            {
                var log = log4net.LogManager.GetLogger(SDebug);
                if (log.IsDebugEnabled)
                    log.Debug(message);
            }
    
            public static void Debug(string message, Exception ex)
            {
                var log = log4net.LogManager.GetLogger(SDebug);
                if (log.IsDebugEnabled)
                    log.Debug(message, ex);
            }
    
            public static void Error(string message)
            {
                var log = log4net.LogManager.GetLogger(SError);
                if (log.IsErrorEnabled)
                    log.Error(message);
            }
    
            public static void Error(string message, Exception ex)
            {
                var log = log4net.LogManager.GetLogger(SError);
                if (log.IsErrorEnabled)
                {
                    log.Error(message, ex);
                    log.Error(ex.Source + "\r\n" + ex.StackTrace + "\r\n" + ex.TargetSite);
                }
            }
    
            public static void Fatal(string message)
            {
                var log = log4net.LogManager.GetLogger(DefaultName);
                if (log.IsFatalEnabled)
                    log.Fatal(message);
            }
    
            public static void Info(string message)
            {
                log4net.ILog log = log4net.LogManager.GetLogger(DefaultName);
                if (log.IsInfoEnabled)
                    log.Info(message);
            }
    
            public static void Warn(string message)
            {
                var log = log4net.LogManager.GetLogger(DefaultName);
                if (log.IsWarnEnabled)
                    log.Warn(message);
            }
    }

![在这里插入图片描述][20190807141438511.png]

private void button1_Click(object sender, EventArgs e)
            {
                LogHelper.Debug("debug");
            }
    
            private void button2_Click(object sender, EventArgs e)
            {
                LogHelper.Error("error");
            }
    
            private void button3_Click(object sender, EventArgs e)
            {
                LogHelper.Info("info");
            }

![在这里插入图片描述][20190807141500289.png]  
将这个文件放在应用程序文件夹下即可  
![在这里插入图片描述][201908071415290.png]

[20190807141244242.png]: /images/20211105/fdb1ad374c9043589c2e3290419b4cf6.png
[20190807141251749.png]: /images/20211105/cf7bbcee58c24f81b54d75d208d6dd38.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2Jhb2JpbmdqaQ_size_16_color_FFFFFF_t_70]: /images/20211105/f011ebda173c4d7ebe85502d19ffc698.png
[20190807141310772.png]: /images/20211105/7c4e744af1584d12964bea5862af2b8c.png
[20190807141438511.png]: /images/20211105/5b0fa9c83a6c4101807cc46253899748.png
[20190807141500289.png]: /images/20211105/6bf0c9e287344372ad471d9a2dc8f0b2.png
[201908071415290.png]: /images/20211105/d476f04d3cef4ee0be9793c08065edc7.png