Log4net.dll记录日志的使用

谁借莪１个温暖的怀抱￠ 2021-09-19 07:02 421阅读 0赞

参考学习网址：  
[http://blog.csdn.net/weifangyh/article/details/8524380][http_blog.csdn.net_weifangyh_article_details_8524380]  
[http://blog.csdn.net/dragon\_ton/article/details/71601339][http_blog.csdn.net_dragon_ton_article_details_71601339]  
[https://www.cnblogs.com/kissazi2/p/3392094.html][https_www.cnblogs.com_kissazi2_p_3392094.html]  
[https://www.cnblogs.com/zeroone/p/3606160.html][https_www.cnblogs.com_zeroone_p_3606160.html]

#### 1.在AssemblyInfo中添加 ####

\[assembly: log4net.Config.XmlConfigurator()\]

#### 2.新建一个控制台应用程序，在项目中引用log4net.dll，然后修改app.config： ####

<?xml version="1.0" encoding="utf-8" ?>
    <configuration>
      <configSections>
        <section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>
      </configSections>
      <log4net>
        
        <appender name="LogFileAppender" type="log4net.Appender.FileAppender">
          
          <file value="Log\\LogInfo.txt" />
          <appendToFile value="true" />
          <layout type="log4net.Layout.PatternLayout">
            
            <footer value="" />
            
            
            <conversionPattern value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level - 描述：%message%newline" />
          </layout>
        </appender>
        <appender name="LogFileAppender_Size" type="log4net.Appender.RollingFileAppender">
          <file value="Log\\LogInfo.txt" />
          <appendToFile value="true" />
          <rollingStyle value="Size" />
          <maxSizeRollBackups value="10" />
          <maximumFileSize value="1000KB" />
          <staticLogFileName value="true" />
          <layout type="log4net.Layout.PatternLayout">
            <conversionPattern value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level - 描述：%message%newline" />
          </layout>
        </appender>
        <appender name="LogFileAppender_Date" type="log4net.Appender.RollingFileAppender">
          <file value="Log\\LogInfo.txt" />
          <appendToFile value="true" />
          <rollingStyle value="Date" />
          <datePattern value="yyyyMMdd" />
          <layout type="log4net.Layout.PatternLayout">
            <conversionPattern value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level - 描述：%message%newline" />
          </layout>
        </appender>
    
        <root>
            
          <appender-ref ref="LogFileAppender_Date" />
        </root>
      </log4net>
      <startup>
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
      </startup>
    </configuration>

#### 2.新建一个loggerhelper类 ####

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using log4net;
    using System.Reflection;
    
    namespace TestLog4Net
    {
        public static class LoggerHelper
        {
            private static ILog log = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
    
            /// <summary>
            /// 获取当前 Ilog 对象
            /// </summary>
            public static ILog GetILog
            {
                get
                {
                    return log;
                }
            }
            /// <summary>
            /// 记录错误日志
            /// </summary>
            /// <param name="message"></param>
            /// <param name="ex"></param>
            public static void Error(object message, Exception ex)
            {
                log.Error(message, ex);
            }
            /// <summary>
            /// 记录严重错误
            /// </summary>
            /// <param name="message"></param>
            /// <param name="ex"></param>
            public static void Fatal(object message, Exception ex)
            {
                log.Fatal(message, ex);
            }
            /// <summary>
            /// 记录一般信息
            /// </summary>
            /// <param name="message"></param>
            public static void Info(object message)
            {
                log.Info(message);
            }
            /// <summary>
            /// 记录调试信息
            /// </summary>
            /// <param name="message"></param>
            public static void Debug(object message)
            {
                log.Debug(message);
            }
            /// <summary>
            /// 记录警告信息
            /// </summary>
            /// <param name="message"></param>
            public static void Warn(object message)
            {
                log.Warn(message);
            }
        }
    }

#### 3.使用loggerhelper类 ####

using NLog;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    
    namespace TestLog4Net
    {
        class Program
        {
            static void Main(string[] args)
            {
                
                LoggerHelper.Error("这里存在错误",null);
                Console.ReadKey();
            }
        }
    }

#### 测试结果： ####

![2789632-afb6cb635d5d86b6.png][]

测试结果

[http_blog.csdn.net_weifangyh_article_details_8524380]: http://blog.csdn.net/weifangyh/article/details/8524380
[http_blog.csdn.net_dragon_ton_article_details_71601339]: http://blog.csdn.net/dragon_ton/article/details/71601339
[https_www.cnblogs.com_kissazi2_p_3392094.html]: https://www.cnblogs.com/kissazi2/p/3392094.html
[https_www.cnblogs.com_zeroone_p_3606160.html]: https://www.cnblogs.com/zeroone/p/3606160.html
[2789632-afb6cb635d5d86b6.png]: /images/20210615/4c3d8c4a4c3b4d58b418289ed2c5b45b.png