ASP.NET/MVC 配置log4net启用写错误日志功能

<?xml version="1.0" encoding="utf-8"?>
<!--
有关如何配置 ASP.NET 应用程序的详细信息，请访问 http://go.microsoft.com/fwlink/?LinkId=169433 -->
<configuration>
<configSections>
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
<!--①配置log4net开始 使用nuget控制台 Install-Package log4net -->
<!-- 在AssemblyInfo.cs加入
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Web.config", ConfigFileExtension = "config", Watch = true)]
-->
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>
<!--①配置log4net结束-->
</configSections>
<!--②配置log4net开始-->
<log4net>
<logger name="logerror">
<level value="ALL" />
<appender-ref ref="ErrorAppender" />
</logger>
<logger name="loginfo">
<level value="ALL" />
<appender-ref ref="InfoAppender" />
</logger>
<appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender">
<param name="File" value="Log\\LogError\\" />
<param name="AppendToFile" value="true" />
<param name="MaxSizeRollBackups" value="100" />
<param name="MaxFileSize" value="10240" />
<param name="StaticLogFileName" value="false" />
<param name="DatePattern" value="yyyyMMdd'.txt'" />
<param name="RollingStyle" value="Date" />
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%d [%t] [%-5level] : %message %newline"  />
</layout>
</appender>
<appender name="InfoAppender" type="log4net.Appender.RollingFileAppender">
<param name="File" value="Log\\LogInfo\\" />
<param name="AppendToFile" value="true" />
<param name="MaxFileSize" value="10240" />
<param name="MaxSizeRollBackups" value="100" />
<param name="StaticLogFileName" value="false" />
<param name="DatePattern" value="yyyyMMdd'.txt'" />
<param name="RollingStyle" value="Date" />
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%d [%t] [%-5level] : %message %newline"  />
</layout>
</appender>
</log4net>
<!--②配置log4net结束-->

<connectionStrings>
<add name="DefaultConnection" connectionString="Data Source=(LocalDb)\MSSQLLocalDB;AttachDbFilename=|DataDirectory|\aspnet-WWW-20160719034030.mdf;Initial Catalog=aspnet-WWW-20160719034030;Integrated Security=True" providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<authentication mode="None" />
<compilation debug="true" targetFramework="4.5.2" />
<httpRuntime targetFramework="4.5.2" />
<pages>
<namespaces>
<add namespace="System.Web.Optimization" />
<add namespace="Microsoft.AspNet.Identity" />
</namespaces>
<controls>
<add assembly="Microsoft.AspNet.Web.Optimization.WebForms" namespace="Microsoft.AspNet.Web.Optimization.WebForms" tagPrefix="webopt" />
</controls>
</pages>
<membership>
<providers>
<!--
已在此模板中禁用 ASP.NET 成员身份。请访问以下链接 http://go.microsoft.com/fwlink/?LinkId=301889，以了解此模板中的 ASP.NET 成员身份支持
-->
<clear />
</providers>
</membership>
<profile>
<providers>
<!--
已在此模板中禁用 ASP.NET 成员身份配置文件。请访问以下链接 http://go.microsoft.com/fwlink/?LinkId=301889，以了解此模板中的 ASP.NET 成员身份支持
-->
<clear />
</providers>
</profile>
<roleManager>
<!--
已在此模板中禁用 ASP.NET 成员身份角色。请访问以下链接 http://go.microsoft.com/fwlink/?LinkId=301889，以了解此模板中的 ASP.NET 成员身份支持
-->
<providers>
<clear />
</providers>
</roleManager>
<!--
如果要部署到具有多个 Web 服务器实例的云环境，
则应将会话状态模式从 "InProc" 更改为“自定义”。此外，
还应将名为 "DefaultConnection" 的连接字符串更改为连接到
SQL Server (包括 SQL Azure 和 SQL  Compact)实例，而不是连接到 SQL Server Express 实例。
-->
<sessionState mode="InProc" customProvider="DefaultSessionProvider">
<providers>
<add name="DefaultSessionProvider" type="System.Web.Providers.DefaultSessionStateProvider, System.Web.Providers, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" connectionStringName="DefaultConnection" />
</providers>
</sessionState>
</system.web>
<system.webServer>
<modules>
<remove name="FormsAuthentication" />
</modules>
</system.webServer>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" culture="neutral" publicKeyToken="30ad4fe6b2a6aeed" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="WebGrease" culture="neutral" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="EntityFramework" publicKeyToken="b77a5c561934e089" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="Microsoft.Owin" culture="neutral" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="Microsoft.Owin.Security.OAuth" culture="neutral" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="Microsoft.Owin.Security.Cookies" culture="neutral" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
</dependentAssembly>
<dependentAssembly>
<assemblyIdentity name="Microsoft.Owin.Security" culture="neutral" publicKeyToken="31bf3856ad364e35" />
<bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters>
<parameter value="mssqllocaldb" />
</parameters>
</defaultConnectionFactory>
<providers>
<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
</providers>
</entityFramework>
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:6 /nowarn:1659;1699;1701" />
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:14 /nowarn:41008 /define:_MYTYPE=\"Web\" /optionInfer+" />
</compilers>
</system.codedom>
</configuration>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public class LogHelper
{
public static readonly log4net.ILog loginfo = log4net.LogManager.GetLogger("loginfo");

public static readonly log4net.ILog logerror = log4net.LogManager.GetLogger("logerror");

public static void WriteInfo(string info)
{
loginfo.Info(info);
}
public static void WriteError(string info, Exception ex)
{
logerror.Error(info, ex);
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WWW
{
public partial class _Default : Page
{
protected void Page_Load(object sender, EventArgs e)
{
LogHelper.WriteInfo(string.Format("当前的时间{0}", DateTime.Now.ToString()));
try
{
Convert.ToInt32("aaa");
}
catch (Exception ex)
{
LogHelper.WriteError(string.Format("当前的时间{0}", DateTime.Now.ToString()), ex);
}

}
}
}