asp.net log4net 设置

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添加log4net.config文件

<?xml version="1.0" encoding="utf-8"?><configuration>  <configuration>    <configSections>      <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net, Version=1.2.11.0, Culture=neutral, PublicKeyToken=1B44E1D426115821" />    </configSections>    <log4net>      <root>        <level value="DEBUG"/>        <!--根据log级别记录到不同的日志文件-->        <appender-ref ref="InfoLog" />        <appender-ref ref="WarnLog" />        <appender-ref ref="ErrorLog" />      </root>      <appender name="InfoLog" type="log4net.Appender.RollingFileAppender">        <!--INFO、DEBUG级别的日志文件路径，根据自己的需要修改-->        <file value="Log\info.log" />        <appendToFile value="true" />        <rollingStyle value="Date" />        <datePattern value=".yyyyMMdd" />        <layout type="log4net.Layout.PatternLayout">          <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />        </layout>        <securityContext type="log4net.Util.WindowsSecurityContext">          <credentials value="Process" />        </securityContext>        <filter type="log4net.Filter.LevelRangeFilter">          <levelMin value="DEBUG" />          <levelMax value="INFO" />        </filter>      </appender>      <appender name="WarnLog" type="log4net.Appender.RollingFileAppender">        <!--WARN级别的日志文件路径，根据自己的需要修改-->        <file value="Log\warn.log" />        <appendToFile value="true" />        <rollingStyle value="Date" />        <datePattern value=".yyyyMMdd" />        <layout type="log4net.Layout.PatternLayout">          <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />        </layout>        <securityContext type="log4net.Util.WindowsSecurityContext">          <credentials value="Process" />        </securityContext>        <filter type="log4net.Filter.LevelRangeFilter">          <levelMin value="WARN" />          <levelMax value="WARN" />        </filter>      </appender>      <appender name="ErrorLog" type="log4net.Appender.RollingFileAppender">        <!--ERROR级别的日志文件路径，根据自己的需要修改-->        <file value="Log\error.log" />        <appendToFile value="true" />        <rollingStyle value="Date" />        <datePattern value=".yyyyMMdd" />        <layout type="log4net.Layout.PatternLayout">          <conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />        </layout>        <securityContext type="log4net.Util.WindowsSecurityContext">          <credentials value="Process" />        </securityContext>        <filter type="log4net.Filter.LevelRangeFilter">          <levelMin value="ERROR" />          <levelMax value="ERROR" />        </filter>      </appender>    </log4net>  </configuration>  <system.web>    <compilation debug="true" targetFramework="4.0" />  </system.web></configuration>

之后Global.asax里面添加

    public class Global : System.Web.HttpApplication    {        public static readonly log4net.ILog logger = log4net.LogManager.GetLogger("ApplicationErrorLogger");        protected void Application_Start(object sender, EventArgs e)        {            log4net.Config.XmlConfigurator.ConfigureAndWatch(new System.IO.FileInfo(Server.MapPath("~") + @"\log4net.config"));        }        protected void Session_Start(object sender, EventArgs e)        {        }        protected void Application_BeginRequest(object sender, EventArgs e)        {        }        protected void Application_AuthenticateRequest(object sender, EventArgs e)        {        }        protected void Application_Error(object sender, EventArgs e)        {            var ex = Server.GetLastError();            logger.Error(ex);            Server.ClearError();            Response.Write("系统错误!" + ex.Message);        }        protected void Session_End(object sender, EventArgs e)        {        }        protected void Application_End(object sender, EventArgs e)        {        }    }

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