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2015十月17

log4j.net写入日志到sqlserver

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log4j.net用了好久,没有总结过,这次做个记录。
作用:可以缓存多少条再写入库,哪些写入哪些不写入可以配置

一,log4j.net诊断
在web.config或者app.config中增加:

 
  <system.diagnostics>
    <trace autoflush="true">
      <listeners>
        <add
          name="textWriterTraceListener"
          type="System.Diagnostics.TextWriterTraceListener"
          initializeData="C:testlog4net.txt" />
      </listeners>
    </trace>
  </system.diagnostics>

  <appSettings>
    <add key="log4net.Internal.Debug" value="true"/>
    </appSettings >

二,写入sqlserver
1,启动时加载

log4net.Config.XmlConfigurator.ConfigureAndWatch(new FileInfo(AppDomain.CurrentDomain.BaseDirectory + "log4net.config"));

2,页面中使用:

public static log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
log.Error(e.StackTrace.ToString());

3,数据库里建表


USE [K8]
GO
 
/****** Object:  Table [dbo].[Log4j]    Script Date: 2015/10/17 18:37:59 ******/
SET ANSI_NULLS ON
GO
 
SET QUOTED_IDENTIFIER ON
GO
 
SET ANSI_PADDING ON
GO
 
CREATE TABLE [dbo].[Log4j](
[ID] [INT] IDENTITY(1,1) NOT NULL,
[Thread] [VARCHAR](255) NOT NULL,
[Logger] [VARCHAR](255) NOT NULL,
[Date] [DATETIME] NOT NULL,
[Level] [VARCHAR](20) NOT NULL,
[Message] [VARCHAR](4000) NOT NULL,
 CONSTRAINT [PK_Log4j] PRIMARY KEY CLUSTERED 
(
[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
 
GO
 
SET ANSI_PADDING OFF
GO
 
 

4,log4net.config配置如下

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
  </configSections>

  <log4net>
    <appender name="AdoNetAppender_SqlServer" type="log4net.Appender.AdoNetAppender">
      <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
      <connectionString value="Data Source=127.0.0.1;Initial Catalog=mydb;User ID=sa;Password=helloworld;Connect Timeout=200;Max Pool Size=100;pooling=true;"/>
      <commandText value="INSERT INTO Log4j ([Date],[Thread],[Level],[Logger],[Message]) VALUES (@log_date, @thread, @log_level, @logger, @message)"/>
      <bufferSize value="5" />     <!--缓存多少条再写入库里-->
      <threshold value="All"/> <!--记录哪些,如info,debug,error-->
      <parameter>
        <parameterName value="@log_date"/>
        <dbType value="DateTime"/>
        <layout type="log4net.Layout.PatternLayout" value="%date{yyyy'-'MM'-'dd HH':'mm':'ss'.'fff}"/>
      </parameter>
      <parameter>
        <parameterName value="@thread"/>
        <dbType value="String"/>
        <size value="255"/>
        <layout type="log4net.Layout.PatternLayout" value="%thread"/>
      </parameter>
      <parameter>
        <parameterName value="@log_level"/>
        <dbType value="String"/>
        <size value="50"/>
        <layout type="log4net.Layout.PatternLayout" value="%level"/>
      </parameter>
      <parameter>
        <parameterName value="@logger"/>
        <dbType value="String"/>
        <size value="255"/>
        <layout type="log4net.Layout.PatternLayout" value="%logger"/>
      </parameter>
      <parameter>
        <parameterName value="@message"/>
        <dbType value="String"/>
        <size value="4000"/>
        <layout type="log4net.Layout.PatternLayout" value="%message"/>
      </parameter>
    </appender>

    <!-- 控制台前台显示日志   -->
    <appender name="ColoredConsoleAppender" type="log4net.Appender.ColoredConsoleAppender">
      <mapping>
        <level value="ERROR" />
        <foreColor value="Red, HighIntensity" />
      </mapping>
      <mapping>
        <level value="Info" />
        <foreColor value="Green" />
      </mapping>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%n%date{HH:mm:ss,fff} [%-5level] %m" />
      </layout>

      <filter type="log4net.Filter.LevelRangeFilter">
        <param name="LevelMin" value="Info" />
        <param name="LevelMax" value="Fatal" />
      </filter>
    </appender>

    <root>
      <!--(高) OFF > FATAL > ERROR > WARN > INFO > DEBUG > ALL (低) -->
      <level value="all" />
      <appender-ref ref="AdoNetAppender_SqlServer"/>
      <!--
      <appender-ref ref="ColoredConsoleAppender"/>
 <appender-ref ref="RollingLogFileAppender"/>
       -->

    </root>
  </log4net>
</configuration>

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