log4Net配置以及使用入门
2018-06-22 07:26:09来源:未知 阅读 ()
<configSections>
<section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>
<!--<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />-->
</configSections>
<log4net>
<!--定义输出到文件中-->
<!--Error-->
<appender name="RollingErrorLogFileAppender" type="log4net.Appender.RollingFileAppender">
<!--定义文件存放位置-->
<file value="Mylog\\ERROR\\" />
<appendToFile value="true"/>
<rollingStyle value="Date"/>
<datePattern value="yyyy\\yyyyMM\\yyyyMMdd'.txt'"/>
<staticLogFileName value="false"/>
<param name="MaxSizeRollBackups" value="1000"/>
<layout type="log4net.Layout.PatternLayout">
<!--输出格式-->
<conversionPattern value="%newline %n记录时间:%date %n线程ID:[%thread] %n日志级别:%-5level %n出错类:%logger property: [%property{NDC}] - %n错误描述:%message%newline"/>
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<!--将日志过滤,只记录ERROR到FATAL-->
<levelMin value="ERROR" />
<levelMax value="ERROR" />
</filter>
</appender>
<!--FATAL-->
<appender name="RollingFATALLogFileAppender" type="log4net.Appender.RollingFileAppender">
<!--定义文件存放位置-->
<file value="Mylog\\FATAL\\" />
<appendToFile value="true"/>
<rollingStyle value="Date"/>
<datePattern value="yyyy\\yyyyMM\\yyyyMMdd'.txt'"/>
<staticLogFileName value="false"/>
<param name="MaxSizeRollBackups" value="1000"/>
<layout type="log4net.Layout.PatternLayout">
<!--输出格式-->
<conversionPattern value="%newline %n记录时间:%date %n线程ID:[%thread] %n日志级别:%-5level %n出错类:%logger property: [%property{NDC}] - %n错误描述:%message%newline"/>
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<!--将日志过滤,只记录ERROR到FATAL-->
<levelMin value="FATAL" />
<levelMax value="FATAL" />
</filter>
</appender>
<!--定义输出到数据库-->
<!--
在SQL Server中创建表的SQL语句
CREATE TABLE [dbo].[Log] (
[Id] [int] IDENTITY (1, 1) NOT NULL,
[Date] [datetime] NOT NULL,
[Thread] [varchar] (255) NOT NULL,
[Level] [varchar] (50) NOT NULL,
[Logger] [varchar] (255) NOT NULL,
[Message] [varchar] (4000) NOT NULL,
[Exception] [varchar] (2000) NULL
);
-->
<appender name="AdoNetAppenderErrorSQLServer" 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="server=LONGPENG;uid=sa;pwd=0129;database=LogDB;" />
<commandText value="INSERT INTO LogError ([Date],[Thread],[Level],[Logger],[Message],[Exception]) 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="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>
<parameter>
<parameterName value="@exception" />
<dbType value="String" />
<size value="2000" />
<layout type="log4net.Layout.ExceptionLayout" />
</parameter>
</appender>
<root>
<level value="ALL" />
<!--文件形式记录日志-->
<appender-ref ref="RollingErrorLogFileAppender"/>
<appender-ref ref="RollingFATALLogFileAppender"/>
<!--数据库形式记录日志-->
<appender-ref ref="AdoNetAppenderErrorSQLServer"/>
</root>
</log4net>
=========================另一种使用的配置==============================
<log4net>
<root>
<level value="ALL" />
<appender-ref ref="SysAppender" />
<appender-ref ref="consoleApp" />
</root>
<!--<logger name="WebLogger">
<level value="DEBUG" />
</logger>-->
<appender name="SysAppender" type="log4net.Appender.RollingFileAppender,log4net">
<!--<param name="File" value="E:\\COLDDEMO\\项目\\实战\\Solution201708\\logs\\" />-->
<param name="File" value="..\\..\\MyLog\\AT\\ERROR\\" />
<!--<param name="File" value="C:\\TestWeb\\Debug\\Error\\" />-->
<param name="AppendToFile" value="true" />
<param name="RollingStyle" value="Date" />
<param name="DatePattern" value="""yyyyMMdd".txt"" />
<param name="StaticLogFileName" value="false" />
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
<param name="Header" value=" ------------------------------------------------
" />
<param name="Footer" value=" ----------------------footer--------------------------
" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<!--将日志过滤,只记录ERROR到FATAL-->
<levelMin value="ERROR" />
<levelMax value="ERROR" />
</filter>
</appender>
<!--..\\..\\MyLog\\AT\\-->
<appender name="consoleApp" type="log4net.Appender.RollingFileAppender,log4net">
<!--<param name="File" value="E:\\COLDDEMO\\项目\\实战\\Solution201708\\logs\\" />-->
<param name="File" value="..\\..\\MyLog\\AT\\Warn\\" />
<!--<param name="File" value="C:\\TestWeb\\Debug\\Error\\" />-->
<param name="AppendToFile" value="true" />
<param name="RollingStyle" value="Date" />
<param name="DatePattern" value="""yyyyMMdd".txt"" />
<param name="StaticLogFileName" value="false" />
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
<param name="Header" value=" ------------------------------------------------
" />
<param name="Footer" value=" ----------------------footer--------------------------
" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<!--将日志过滤,只记录Warn-->
<levelMin value="Warn" />
<levelMax value="Warn" />
</filter>
</appender>
</log4net>
============================================================
使用:
[assembly: log4net.Config.XmlConfigurator(Watch = true)]
namespace WebAppl
{
public class LogHelper
{
/// <summary>
/// 调用Log4net写日志
/// </summary>
/// <param name="logContent">日志内容</param>
/// <param name="log4Level">记录日志等级,枚举</param>
public static void WriteLog(string logContent, Log4NetLevel log4Level)
{
WriteLog(null, logContent, log4Level);
}
/// <summary>
/// 调用Log4net写日志
/// </summary>
/// <param name="type">类的类型,指定日志中错误的具体类
/// <param name="logContent">日志内容</param>
/// <param name="log4Level">记录日志等级,枚举</param>
public static void WriteLog(Type type, string logContent, Log4NetLevel log4Level)
{
ILog log = type == null ? LogManager.GetLogger("") : LogManager.GetLogger(type);
switch (log4Level)
{
case Log4NetLevel.Warn:
log.Warn(logContent);
break;
case Log4NetLevel.Debug:
log.Debug(logContent);
break;
case Log4NetLevel.Info:
log.Info(logContent);
break;
case Log4NetLevel.Fatal:
log.Fatal(logContent);
break;
case Log4NetLevel.Error:
log.Error(logContent);
break;
}
}
}
/// <summary>
/// log4net 日志等级类型枚举
/// </summary>
public enum Log4NetLevel
{
[Description("警告信息")]
Warn = 1,
[Description("调试信息")]
Debug = 2,
[Description("一般信息")]
Info = 3,
[Description("严重错误")]
Fatal = 4,
[Description("错误日志")]
Error = 5
}
}
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