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  • WPF使用Log4net.dll库的demo(转载加个人观点)

    • 原文地址:http://blog.csdn.net/linraise/article/details/50547149
    • 配置文件解析地址:http://blog.csdn.net/pfe_nova/article/details/12225349
    • 1.引入库log4net.dll

    • 2.展开项目文件下的Properties文件夹,打开AssemblyInfo.cs并在AssemblyInfo.cs中添加一行:在AssemblyInfo.cs中添加一行:(其中log4net.config对应配置文件名)

    [assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", ConfigFileExtension = "config", Watch = true)]
    

      

    • 3.添加log4net.config配置文件:
    
    
    <?xml version="1.0" encoding="utf-8" ?>
    <configuration>
      <configSections>
        <section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>
      </configSections>
      <log4net>
        <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
          <file value="loglogfile.log"/>
          <appendToFile value="true"/>
          <rollingStyle value="Composite"/>
          <datePattern value="yyyyMMdd"/>
          <maxSizeRollBackups value="10"/>
          <maximumFileSize value="1MB"/>
          <layout type="log4net.Layout.PatternLayout">
            <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline"/>
          </layout>
        </appender>
        <root>
          <level value="All"/>
          <appender-ref ref="RollingLogFileAppender"/>
        </root>
      </log4net>
      <startup>
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/>
      </startup>
    </configuration>
    

      

    • 4.添加一个公共的日志管理类AppLog.cs
    using System;
    using System.Collections.Generic;
    using System.Text;
    using log4net;
    using log4net.Config;
    using System.IO;
    
    
    namespace log4net
    {
        /// <summary>
        /// 使用Log4net插件的log日志对象
        /// </summary>
        public static class AppLog
        {
            private static ILog log;
    
            static AppLog()
            {
                XmlConfigurator.ConfigureAndWatch(new FileInfo(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile));
                log = LogManager.GetLogger(typeof(AppLog));
            }
    
            public static void Debug(object message)
            {
                log.Debug(message);
            }
    
            public static void DebugFormatted(string format, params object[] args)
            {
                log.DebugFormat(format, args);
            }
    
            public static void Info(object message)
            {
                log.Info(message);
            }
    
            public static void InfoFormatted(string format, params object[] args)
            {
                log.InfoFormat(format, args);
            }
    
            public static void Warn(object message)
            {
                log.Warn(message);
            }
    
            public static void Warn(object message, Exception exception)
            {
                log.Warn(message, exception);
            }
    
            public static void WarnFormatted(string format, params object[] args)
            {
                log.WarnFormat(format, args);
            }
    
            public static void Error(object message)
            {
                log.Error(message);
            }
    
            public static void Error(object message, Exception exception)
            {
                log.Error(message, exception);
            }
    
            public static void ErrorFormatted(string format, params object[] args)
            {
                log.ErrorFormat(format, args);
            }
    
            public static void Fatal(object message)
            {
                log.Fatal(message);
            }
    
            public static void Fatal(object message, Exception exception)
            {
                log.Fatal(message, exception);
            }
    
            public static void FatalFormatted(string format, params object[] args)
            {
                log.FatalFormat(format, args);
            }
        }
    }
    • 5.在任何你想写日志的地方使用,例如:
    AppLog.Info("Info log");
    AppLog.Error("Error log");
    

      


    • 6.经验之谈:不要把项目名称起为log4net,或任何数字在中间的名称,否则引入log4net.dll的时候就会直接报错
    • 7.当运行正常没有创建日志文件或者log = LogManager.GetLogger(typeof(AppLog))中log对象字段值为false时,右击log4net.config选择属性-->高级把复制到项目的值改为始终复制
    •  8  类库项目中好像不能实现此打印日志功能,
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  • 原文地址:https://www.cnblogs.com/wangboke/p/5344507.html
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