.net core2.0 中使用log4net

<?xml version="1.0" encoding="utf-8"?><configuration> ?<configSections> ???<!--添加自定义节点：log4net type：解析类名，程序集名(log4net.dll)--> ???<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/> ?</configSections> ?<log4net> ???<root> ?????<!--<level value="DEBUG"/>--> ?????<!--控制级别，由低到高: ALL|DEBUG|INFO|WARN|ERROR|FATAL|OFF ?ALL表示允许所有的日志请求。OFF是拒绝所有的请求。--> ?????<!--比如定义级别为INFO，则INFO级别向下的级别，比如DEBUG日志将不会被记录--> ?????<level value="ALL"/> ?????<!--根据log级别记录到不同的日志文件--> ?????<appender-ref ref="ErrorLog" /> ???</root> ???<!--Error--> ???<appender name="ErrorLog" type="log4net.Appender.RollingFileAppender"> ?????<file value="Log/"/> ?????<appendToFile value="true" /> ?????<rollingStyle value="Date" /> ?????<!--日期的格式，每天换一个文件记录，如不设置则永远只记录一天的日志，需设置--> ?????<DatePattern value="yyyyMMdd"_Error.log"" /> ?????<!--日志文件名是否为静态--> ?????<StaticLogFileName value="false"/> ?????<!--多线程时采用最小锁定--> ?????<lockingModel type="log4net.Appender.FileAppender+MinimalLock" /> ?????<!--布局（向用户显示最后经过格式化的输出信息）--> ?????<layout type="log4net.Layout.PatternLayout"> ???????<ConversionPattern value="%date 线程ID:[%thread] 日志级别：%-5level 出错类：%logger property:[%property{NDC}] - 错误描述：%message %newline" /> ?????</layout> ?????<securityContext type="log4net.Util.WindowsSecurityContext"> ???????<credentials value="Process" /> ?????</securityContext> ?????<filter type="log4net.Filter.LevelRangeFilter"> ???????<levelMin value="DEBUG" /> ???????<levelMax value="ERROR" /> ?????</filter> ???</appender> ???<!--Error--> ?</log4net></configuration>

using GrabNovelApi;using log4net;using System;using System.Collections.Concurrent;using System.Collections.Generic;using System.Text;namespace Grab.api{ ?public static class LogHelper ???{ ???????private static readonly ConcurrentDictionary<Type, ILog> Loggers = new ConcurrentDictionary<Type, ILog>(); ???????/// <summary> ???????/// 获取记录器 ???????/// </summary> ???????/// <param name="source">soruce</param> ???????/// <returns></returns> ???????private static ILog GetLogger(Type source) ???????{ ???????????if (Loggers.ContainsKey(source)) ???????????{ ???????????????return Loggers[source]; ???????????} ???????????else ???????????{ ???????????????ILog logger = LogManager.GetLogger(Startup.repository.Name,source); ???????????????Loggers.TryAdd(source, logger); ???????????????return logger; ???????????} ???????} ???????/* Log a message object */ ???????/// <summary> ???????/// 调试信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Debug(object source, string message) ???????{ ???????????Debug(source.GetType(), message); ???????} ???????/// <summary> ???????/// 调试信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="ps">ps</param> ???????public static void Debug(object source, string message, params object[] ps) ???????{ ???????????Debug(source.GetType(), string.Format(message, ps)); ???????} ???????/// <summary> ???????/// 调试信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Debug(Type source, string message) ???????{ ???????????ILog logger = GetLogger(source); ???????????if (logger.IsDebugEnabled) ???????????{ ???????????????logger.Debug(message); ???????????} ???????} ???????/// <summary> ???????/// 关键信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Info(object source, object message) ???????{ ???????????Info(source.GetType(), message); ???????} ???????/// <summary> ???????/// 关键信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Info(Type source, object message) ???????{ ???????????ILog logger = GetLogger(source); ???????????if (logger.IsInfoEnabled) ???????????{ ???????????????logger.Info(message); ???????????} ???????} ???????/// <summary> ???????/// 警告信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Warn(object source, object message) ???????{ ???????????Warn(source.GetType(), message); ???????} ???????/// <summary> ???????/// 警告信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Warn(Type source, object message) ???????{ ???????????ILog logger = GetLogger(source); ???????????if (logger.IsWarnEnabled) ???????????{ ???????????????logger.Warn(message); ???????????} ???????} ???????/// <summary> ???????/// 错误信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Error(object source, object message) ???????{ ???????????Error(source.GetType(), message); ???????} ???????/// <summary> ???????/// 错误信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Error(Type source, object message) ???????{ ???????????ILog logger = GetLogger(source); ???????????if (logger.IsErrorEnabled) ???????????{ ???????????????logger.Error(message); ???????????} ???????} ???????/// <summary> ???????/// 失败信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Fatal(object source, object message) ???????{ ???????????Fatal(source.GetType(), message); ???????} ???????/// <summary> ???????/// 失败信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????public static void Fatal(Type source, object message) ???????{ ???????????ILog logger = GetLogger(source); ???????????if (logger.IsFatalEnabled) ???????????{ ???????????????logger.Fatal(message); ???????????} ???????} ???????/* Log a message object and exception */ ???????/// <summary> ???????/// 调试信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Debug(object source, object message, Exception exception) ???????{ ???????????Debug(source.GetType(), message, exception); ???????} ???????/// <summary> ???????/// 调试信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Debug(Type source, object message, Exception exception) ???????{ ???????????GetLogger(source).Debug(message, exception); ???????} ???????/// <summary> ???????/// 关键信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Info(object source, object message, Exception exception) ???????{ ???????????Info(source.GetType(), message, exception); ???????} ???????/// <summary> ???????/// 关键信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Info(Type source, object message, Exception exception) ???????{ ???????????GetLogger(source).Info(message, exception); ???????} ???????/// <summary> ???????/// 警告信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Warn(object source, object message, Exception exception) ???????{ ???????????Warn(source.GetType(), message, exception); ???????} ???????/// <summary> ???????/// 警告信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Warn(Type source, object message, Exception exception) ???????{ ???????????GetLogger(source).Warn(message, exception); ???????} ???????/// <summary> ???????/// 错误信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Error(object source, object message, Exception exception) ???????{ ???????????Error(source.GetType(), message, exception); ???????} ???????/// <summary> ???????/// 错误信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Error(Type source, object message, Exception exception) ???????{ ???????????GetLogger(source).Error(message, exception); ???????} ???????/// <summary> ???????/// 失败信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Fatal(object source, object message, Exception exception) ???????{ ???????????Fatal(source.GetType(), message, exception); ???????} ???????/// <summary> ???????/// 失败信息 ???????/// </summary> ???????/// <param name="source">source</param> ???????/// <param name="message">message</param> ???????/// <param name="exception">ex</param> ???????public static void Fatal(Type source, object message, Exception exception) ???????{ ???????????GetLogger(source).Fatal(message, exception); ???????} ???}}