log4net基础学习

 1 <?xml version="1.0" encoding="utf-8" ?> 2 <configuration> 3 ??<configSections> 4 ????<section name="log4net" type="System.Configuration.IgnoreSectionHandler"/> 5 ??</configSections> 6 ??<appSettings> 7 ??</appSettings> 8 ??<log4net> 9 ????<!--定义输出到文件中-->10 ????<appender name="LogFileAppender" type="log4net.Appender.FileAppender">11 ??????<!--定义文件存放位置-->12 ??????<file value="F:\我的博客\9.12\log4net\程序演示\log4net_test\log4net_test\日志文件\Log[%property{LogFileName}].txt" />13 ??????<appendToFile value="true" />14 ??????<!--<rollingStyle value="Date" />15 ??????<datePattern value="yyyyMMdd-HH:mm:ss" />-->16 ??????17 ??????<layout type="log4net.Layout.PatternLayout">18 ????????<!--每条日志末尾的文字说明-->19 ????????<footer value="by 墨染" />20 ????????<!--输出格式-->21 ????????<!--样例：2008-03-26 13:42:32,111 [10] INFO ?Log4NetDemo.MainClass [(null)] - info-->22 ????????<conversionPattern value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level 出错类：%logger property:[%property{NDC}] - 错误描述：%message%newline" />23 ??????</layout>24 ????</appender>25 ????<!--定义输出到控制台命令行中-->26 ????<appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">27 ??????<layout type="log4net.Layout.PatternLayout">28 ????????<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />29 ??????</layout>30 ????</appender>31 ????<!--定义输出到windows事件中-->32 ????<appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">33 ??????<layout type="log4net.Layout.PatternLayout">34 ????????<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />35 ??????</layout>36 ????</appender>37 ????<!--定义输出到数据库中，这里举例输出到Access数据库中，数据库为C盘的log4net.mdb-->38 ????<appender name="AdoNetAppender_Access" type="log4net.Appender.AdoNetAppender">39 ??????<connectionString value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:log4net.mdb" />40 ??????<commandText value="INSERT INTO LogDetails ([LogDate],[Thread],[Level],[Logger],[Message]) VALUES (@logDate, @thread, @logLevel, @logger,@message)" />41 ??????<!--定义各个参数-->42 ??????<parameter>43 ????????<parameterName value="@logDate" />44 ????????<dbType value="String" />45 ????????<size value="240" />46 ????????<layout type="log4net.Layout.PatternLayout">47 ??????????<conversionPattern value="%date" />48 ????????</layout>49 ??????</parameter>50 ??????<parameter>51 ????????<parameterName value="@thread" />52 ????????<dbType value="String" />53 ????????<size value="240" />54 ????????<layout type="log4net.Layout.PatternLayout">55 ??????????<conversionPattern value="%thread" />56 ????????</layout>57 ??????</parameter>58 ??????<parameter>59 ????????<parameterName value="@logLevel" />60 ????????<dbType value="String" />61 ????????<size value="240" />62 ????????<layout type="log4net.Layout.PatternLayout">63 ??????????<conversionPattern value="%level" />64 ????????</layout>65 ??????</parameter>66 ??????<parameter>67 ????????<parameterName value="@logger" />68 ????????<dbType value="String" />69 ????????<size value="240" />70 ????????<layout type="log4net.Layout.PatternLayout">71 ??????????<conversionPattern value="%logger" />72 ????????</layout>73 ??????</parameter>74 ??????<parameter>75 ????????<parameterName value="@message" />76 ????????<dbType value="String" />77 ????????<size value="240" />78 ????????<layout type="log4net.Layout.PatternLayout">79 ??????????<conversionPattern value="%message" />80 ????????</layout>81 ??????</parameter>82 ????</appender>83 ????<!--定义日志的输出媒介，下面定义日志以四种方式输出。也可以下面的按照一种类型或其他类型输出。-->84 ????<root>85 ??????<!--文件形式记录日志-->86 ??????<appender-ref ref="LogFileAppender" />87 ??????<!--控制台控制显示日志-->88 ??????<appender-ref ref="ConsoleAppender" />89 ??????<!--Windows事件日志-->90 ??????<appender-ref ref="EventLogAppender" />91 ??????<!-- 如果不启用相应的日志记录，可以通过这种方式注释掉92 ??????<appender-ref ref="AdoNetAppender_Access" />93 ??????-->94 ????</root>95 96 ??</log4net>97 </configuration>

 1 using log4net; 2 using System; 3 using System.Collections.Generic; 4 using System.Linq; 5 using System.Reflection; 6 using System.Text; 7 using System.Threading.Tasks; 8 ?9 //注意加上下面的语句，指定log4net使用.config文件来读取配置信息10 [assembly: log4net.Config.XmlConfigurator(Watch = true)]11 namespace log4net_test12 {13 ????class Program14 ????{15 ????????static void Main(string[] args)16 ????????{17 ????????????DateTime currentTime = DateTime.Now;18 ????????????log4net.GlobalContext.Properties["LogFileName"] =currentTime.ToString("yyyyMMdd");19 ????????????ILog log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);20 ????????????log.Info("程序已经启动");21 ????????????log.Error("程序出现异常错误");22 ????????????log.Debug("debug");23 ????????????log.Warn("warn");24 ????????????Console.ReadKey();25 ????????}26 ????}27 }