C#, .Net添加log4net日志功能

log4net.config配置文件

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
    <section name="log4net"
      type="log4net.Config.Log4NetConfigurationSectionHandler,&#xD;&#xA;log4net-net-1.0"/>
  </configSections>
  <log4net>
	<appender name="AppLog" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="SysLog/" />
      <param name="AppendToFile" value="true" />
      <param name="MaxSizeRollBackups" value="-1" />
      <!--最小锁定模型以允许多个进程可以写入同一个文件-->
      <param name="lockingModel"  type="log4net.Appender.FileAppender+MinimalLock" />
      <param name="MaximumFileSize" value="10MB" />
      <param name="RollingStyle" value="Size" />
      <param name="DatePattern" value="yyyy-MM-dd" />
      <param name="StaticLogFileName" value="true" />
      <layout type="log4net.Layout.PatternLayout">
        <param name="ConversionPattern" value="%-5p %d [%c] %m%n" />
      </layout>
    </appender>
    <logger name="AppLog">
      <level value="all" />
      <appender-ref ref="AppLog" />
    </logger>	
    <root>
      <level value="all" />
    </root>
  </log4net>
</configuration>

log4net类

public class AppLog
{
    private static string filepath = AppDomain.CurrentDomain.BaseDirectory + "SysLog/";

    private static readonly log4net.ILog logComm = log4net.LogManager.GetLogger("AppLog");

    static AppLog()
    {
        log4net.Config.XmlConfigurator.Configure(new FileInfo("log4net.config"));

        if (!Directory.Exists(filepath))
        {
            Directory.CreateDirectory(filepath);
        }
    }
    private static readonly object o = new object();
    /// <summary>
    /// 输出系统日志
    /// </summary>
    /// <param name="msg">信息内容</param>
    /// <param name="source">信息来源</param>
    /// <param name="type">信息类型</param>
    private static void WriteLog(string msg, bool isWrite, Action<object> action, string type)
    {
        if (isWrite)
        {
            lock (o)
            {
                string filename = $"AppLog_{type}_{DateTime.Now.ToString("yyyyMMdd_HH")}.log";
                var repository = LogManager.GetRepository();

                #region MyRegion
                var appenders = repository.GetAppenders();
                if (appenders.Length > 0)
                {
                    RollingFileAppender? targetApder = null;
                    foreach (var Apder in appenders)
                    {
                        if (Apder.Name == "AppLog")
                        {
                            targetApder = Apder as RollingFileAppender;
                            break;
                        }
                    }
                    if (targetApder != null && targetApder.Name == "AppLog")//如果是文件输出类型日志，则更改输出路径
                    {
                        if (!targetApder.File.Contains(filename))
                        {
                            targetApder.File =  $"SysLog/{DateTime.Now.ToString("yyyy")}/{DateTime.Now.ToString("MM")}/{DateTime.Now.ToString("dd")}/{filename}";
                            targetApder.ActivateOptions();
                        }
                    }
                }
                #endregion
                action(msg);
                //logComm.Error(msg + "\n");
            }
        }
    }
    public static void WriteError(string msg, bool isWrite, string tag = "")
    {
        WriteLog(msg, isWrite, logComm.Error, "Error" + tag);
    }
    public static void WriteInfo(string msg, bool isWrite, string tag = "")
    {
        WriteLog(msg, isWrite, logComm.Info, "Info" + tag);
    }
    public static void WriteWarn(string msg, bool isWrite, string tag = "")
    {
        WriteLog(msg, isWrite, logComm.Warn, "Warn" + tag);
    }
}

视频教程,点击进入B站可以看高清

本文来自 www.luofenming.com