参考网上资料完成:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace DAL
{
public class LogHelper
{
//Log4net支持多种级别的日志。优先级从高到低依次排列如下:FATAL > ERROR > WARN > INFO > DEBUG
//日志发送到文件显示
public static readonly log4net.ILog logInfo = log4net.LogManager.GetLogger("logerror");
//日志发送到文件显示
public static readonly log4net.ILog logerror = log4net.LogManager.GetLogger("loginfo");
//日志发送到系统日志显示
public static readonly log4net.ILog logevent = log4net.LogManager.GetLogger("logevent");
//日志发送到sqlSERVER数据库
public static readonly log4net.ILog logsqlServer = log4net.LogManager.GetLogger("logsqlServer");
public static void SetConfig()
{
log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo("log4net.config"));
}
public static void SetConfig(FileInfo configFile)
{
log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo("log4net.config"));
}
public static void WritesqlServer(string info,Exception ex)
{
if(logsqlServer.IsInfoEnabled)
{
logsqlServer.Info(info,ex);
}
if (logsqlServer.IsErrorEnabled)
{
logsqlServer.Error(info,ex);
}
if(logsqlServer.IsFatalEnabled)
{
logsqlServer.Fatal(info,ex);
}
if(logsqlServer.IsWarnEnabled)
{
logsqlServer.Warn(info,ex);
}
if(logsqlServer.IsDebugEnabled)
{
logsqlServer.Debug(info,ex);
}
}
}
global.asax配置:
<%@ Application Language="C#" %>
<script runat="server">
void Application_Start(object sender,EventArgs e)
{
//在应用程序启动时运行的代码
DAL.LogHelper.SetConfig();
}
void Application_End(object sender,EventArgs e)
{
//在应用程序关闭时运行的代码
}
void Application_Error(object sender,EventArgs e)
{
//在出现未处理的错误时运行的代码
Exception objExp = HttpContext.Current.Server.GetLastError();
}
void Session_Start(object sender,EventArgs e)
{
//在新会话启动时运行的代码
}
void Session_End(object sender,EventArgs e)
{
//在会话结束时运行的代码。
// 注意: 只有在 Web.config 文件中的 sessionstate 模式设置为
// InProc 时，才会引发 Session_End 事件。如果会话模式
//设置为 StateServer 或 sqlServer，则不会引发该事件。
}
</script>
log4net.config信息
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler" />
</configSections>
<log4net>
<logger name="logerror">
<level value="ERROR" />
<appender-ref ref="ErrorAppender" />
</logger>
<logger name="loginfo">
<level value="INFO" />
<appender-ref ref="InfoAppender" />
</logger>
<logger name="logevent">
<level value="INFO" />
<appender-ref ref="EventLogAppender" />
</logger>
<logger name="logsqlServer">
<level name="INFO"></level>
<appender-ref ref="adonetappender_sql"></appender-ref>
</logger>
<appender name="ErrorAppender" type="log4net.Appender.RollingFileAppender">
<param name="File" value="d:\\Error" />
<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="<HR COLOR=red>%n异常时间：%d [%t] <BR>%n异常级别：%-5p
<BR>%n异 常 类：%c [%x] <BR>%n%m <BR>%n <HR Size=1>" />
<param name="Header" value="************BEGIN************" />
<param name="Footer" value="************END************" />
</layout>
</appender>
<appender name="InfoAppender" type="log4net.Appender.RollingFileAppender">
<param name="File" value="d:\\Info" />
<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="<HR COLOR=blue>%n日志时间：%d [%t] <BR>%n日志级别：%-5p
<BR>%n日 志 类：%c [%x] <BR>%n%m <BR>%n <HR Size=1>" />
<param name="Header" value="************BEGIN************" />
<param name="Footer" value="************END************" />
</layout>
</appender>
<appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<appender name="adonetappender_sql" type="log4net.Appender.adonetappender">
<bufferSize value="10000" />
<connectionType value="System.Data.sqlClient.sqlConnection,System.Data,Version=1.0.5000.0,Culture=neutral,PublicKeyToken=b77a5c561934e089" />
<connectionString value="DATABASE=MyDB;SERVER=.;UID=sa;PWD=1;Connect Timeout=15;" />
<commandText value="INSERT INTO ErrorLog ([dtDate],[sThread],[sLevel],[sLogger],[sMessage],[sException]) VALUES (@log_date,@thread,@log_level,@logger,@message,@exception)" />
<parameter>
<parameterName value="@log_date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="100" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%t" />
</layout>
</parameter>
<parameter>
<parameterName value="@log_level" />
<dbType value="String" />
<size value="200" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%p" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="500" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="3000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%m" />
</layout>
</parameter>
<parameter>
<parameterName value="@exception" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.ExceptionLayout" />
</parameter>
</appender>
</log4net>
</configuration>
DAL里的AssemblyInfo.cs里加一句
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config",Watch = true)]
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