C# 使用Log4Net记录日志(进阶篇)

配置文件log4net_config.xml中的内容如下：

<?xml version="1.0" encoding="utf-8" ?>
<!-- 
		.NET application configuration file     
		This file must have the exact same name as your application with .config appended to it. 
		
		For example if your application is ConsoleApp.exe then the config file must be ConsoleApp.exe.config. 
		It must also be in the same directory as the application. 
	-->
<!-- This section contains the log4net configuration settings -->
<log4net>
	<!-- Define some output appenders -->
	<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
		<file value="rolling-log.txt" />
		<appendToFile value="true" />
		<maxSizeRollBackups value="10" />
		<maximumFileSize value="100" />
		<rollingStyle value="Size" />
		<staticLogFileName value="true" />
		<layout type="log4net.Layout.PatternLayout">
			<header value="[Header]
" />
			<footer value="[Footer]
" />
			<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
		</layout>
	</appender>
	<appender name="LogFileAppender" type="log4net.Appender.FileAppender">
		<file value="log.txt" />
		<!-- Example using environment variables in params -->
		<!-- <file value="${TMP}\log-file.txt" /> -->
		<sppendToFile value="true" />
		<!-- An alternate output encoding can be specified -->
		<!-- <encoding value="unicodeFFFE" /> -->
		<layout type="log4net.Layout.PatternLayout">
			<header value="[Header]
" />
			<footer value="[Footer]
" />
			<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
		</layout>
		<!-- Alternate layout using XML			
			<layout type="log4net.Layout.XMLLayout" /> -->
	</appender>
	<appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
		<layout type="log4net.Layout.PatternLayout">
			<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
		</layout>
	</appender>
	<appender name="NetSendAppender" type="log4net.Appender.NetSendAppender">
		<threshold value="ERROR" />
		<server value="SQUARE" />
		<recipient value="nicko" />
		<layout type="log4net.Layout.PatternLayout">
			<conversionPattern value="%date [%thread] %-5level %logger [%ndc] - %message%newline" />
		</layout>
	</appender>
	<!-- Example of how to configure the AdoNetAppender to connect to MS Access -->
	<appender name="ADONetAppender_Access" type="log4net.Appender.AdoNetAppender">
		<connectionString value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Work\cvs_root\log4net-1.2\access.mdb;User Id=;Password=;" />
		<commandText value="INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message]) VALUES (@log_date, @thread, @log_level, @logger, @message)" />
		<parameter>
			<parameterName value="@log_date" />
			<dbType value="String" />
			<size value="255" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%date" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@thread" />
			<dbType value="String" />
			<size value="255" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%thread" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@log_level" />
			<dbType value="String" />
			<size value="50" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%level" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@logger" />
			<dbType value="String" />
			<size value="255" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%logger" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@message" />
			<dbType value="String" />
			<size value="1024" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%message" />
			</layout>
		</parameter>
	</appender>
	<!-- Example of how to configure the AdoNetAppender to connect to MS SQL Server -->
	<appender name="ADONetAppender_SqlServer" type="log4net.Appender.AdoNetAppender">
		<bufferSize value="1" />
		<connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
		<connectionString value="data source=192.168.110.110;initial catalog=DBtest;integrated security=false;persist security info=True;User ID=sa;Password=saPassword" />
		<commandText value="INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message]) VALUES (@log_date, @thread, @log_level, @logger, @message)" />
		<parameter>
			<parameterName value="@log_date" />
			<dbType value="DateTime" />
			<!-- 
				<layout type="log4net.Layout.PatternLayout">
					<conversionPattern value="%date{yyyy'-'MM'-'dd HH':'mm':'ss'.'fff}" />
				</layout> 
				-->
			<layout type="log4net.Layout.RawTimeStampLayout" />
		</parameter>
		<parameter>
			<parameterName value="@thread" />
			<dbType value="String" />
			<size value="255" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%thread" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@log_level" />
			<dbType value="String" />
			<size value="50" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%level" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@logger" />
			<dbType value="String" />
			<size value="255" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%logger" />
			</layout>
		</parameter>
		<parameter>
			<parameterName value="@message" />
			<dbType value="String" />
			<size value="4000" />
			<layout type="log4net.Layout.PatternLayout">
				<conversionPattern value="%message" />
			</layout>
		</parameter>
	</appender>
	<!-- Setup the root category, add the appenders and set the default level -->
	<root>
		<level value="DEBUG" />
		<appender-ref ref="LogFileAppender" />
		<appender-ref ref="ADONetAppender_SqlServer" />
		<!--<appender-ref ref="ConsoleAppender" />-->
	</root>
</log4net><?xml versio