<?xml version="1.0" encoding="utf-8"?>

<!--

  For more information on how to configure your ASP.NET application, please visit

  http://go.microsoft.com/fwlink/?LinkId=169433

  -->

<configuration>

	<configSections>

		<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />

	</configSections>

	<appSettings>

    <add key="webpages:Version" value="2.0.0.0" />

    <add key="webpages:Enabled" value="false" />

    <add key="PreserveLoginUrl" value="true" />

    <add key="ClientValidationEnabled" value="true" />

    <add key="UnobtrusiveJavaScriptEnabled" value="true" />

  </appSettings>

  <system.web>

    <httpRuntime targetFramework="4.5" />

    <compilation debug="true" targetFramework="4.5" />

    <pages>

      <namespaces>

        <add namespace="System.Web.Helpers" />

        <add namespace="System.Web.Mvc" />

        <add namespace="System.Web.Mvc.Ajax" />

        <add namespace="System.Web.Mvc.Html" />

        <add namespace="System.Web.Routing" />

        <add namespace="System.Web.WebPages" />

      </namespaces>

    </pages>

  </system.web>

  <system.webServer>

    <validation validateIntegratedModeConfiguration="false" />

  <handlers>

      <remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />

      <remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />

      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />

      <add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />

      <add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />

      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />

    </handlers></system.webServer>

	<log4net>

		<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender, log4net">

			<param name="LockingModel" type="log4net.Appender.FileAppender+MinimalLock" />

			<param name="File" value="Log/Log/" />

			<param name="StaticLogFileName" value="false" />

			<param name="DatePattern" value="yyyy-MM-dd.'log'" />

			<param name="AppendToFile" value="true" />

			<param name="MaxSizeRollBackups" value="-1" />

			<param name="MaximumFileSize" value="20MB" />

			<param name="RollingStyle" value="Date" />

			<layout type="log4net.Layout.PatternLayout">

				<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n%newline" />

			</layout>

		</appender>

		<appender name="RollingLogFileErrorAppender" type="log4net.Appender.RollingFileAppender, log4net">

			<param name="LockingModel" type="log4net.Appender.FileAppender+MinimalLock" />

			<param name="File" value="Log/ErrorLog/" />

			<param name="StaticLogFileName" value="false" />

			<param name="DatePattern" value="yyyy-MM-dd.'log'" />

			<param name="AppendToFile" value="true" />

			<param name="MaxSizeRollBackups" value="-1" />

			<param name="MaximumFileSize" value="10MB" />

			<param name="RollingStyle" value="Date" />

			<layout type="log4net.Layout.PatternLayout">

				<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n%newline" />

			</layout>

			<filter type="log4net.Filter.LevelRangeFilter">

				<levelMin value="WARN" />

				<levelMax value="FATAL" />

			</filter>

		</appender>

		<root>

			<!--控制级别，由低到高: ALL|DEBUG|INFO|WARN|ERROR|FATAL|OFF-->

			<!--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-->

			<!--如果没有定义LEVEL的值，则缺省为DEBUG-->

			<level value="ALL" />

			<appender-ref ref="RollingLogFileAppender" />

			<appender-ref ref="RollingLogFileErrorAppender" />

		</root>

	</log4net>

</configuration>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Http;

using System.Web.Mvc;

using System.Web.Routing;

namespace MvcLog4Net

{

    // Note: For instructions on enabling IIS6 or IIS7 classic mode,

    // visit http://go.microsoft.com/?LinkId=9394801

    public class MvcApplication : System.Web.HttpApplication

    {

        protected void Application_Start()

        {

            AreaRegistration.RegisterAllAreas();

            WebApiConfig.Register(GlobalConfiguration.Configuration);

            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);

            RouteConfig.RegisterRoutes(RouteTable.Routes);

            log4net.Config.XmlConfigurator.Configure();

        }

    }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

namespace MvcLog4Net.Controllers

{

    public class HomeController : Controller

    {

        //

        // GET: /Home/

        public ActionResult Index()

        {

            log4net.ILog log = log4net.LogManager.GetLogger(typeof(HomeController));

            log.Info("这个是 Info Level 的日志！");

            log.Error("这个是 Error Level 的日志！");

            return View();

        }

    }

}