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ASP.NETLog4net记录日志

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

1.安装方式一(官网下载)

2.安装方式二(NuGet安装log4net)

3.使用步骤

4.自定义属性:UserIP UserName ActionsClick Message

 

概述:Log4net是开源记录日志的API,可记录到:数据库、文档、后台命令

参考博客:地址

一 安装方式一(官网下载)

地址:log4net,版本:2.0.8.0

PS:

 

 二 安装方式二(NuGet安装log4net)

三 使用步骤

1)建一个WebApplication1

2)  引用 log4net.dll

3) 修改 AssemblyInfo.cs

增加:[assembly: log4net.Config.XmlConfigurator(Watch = true)]

4) 新增 Global.asax,增加下面一段代码

protected void Application_Start(object sender, EventArgs e)
        {
            //应用程序启动时,自动加载配置log4Net    
            XmlConfigurator.Configure();    
        }

5)新增log4net.config,注意:bufferSize value="1"  每次都插入数据库, 为 10,则满11条才执行插入11条数据到数据库

<?xml version="1.0" encoding="utf-8"?>
<log4net debug="false">
  <appender name="ADONetAppender" type="log4net.Appender.ADONetAppender">
    <bufferSize value="1" />
    <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
    <connectionString value="DATABASE=JXBigData;SERVER=.;UID=sa;PWD=123;Connect Timeout=15;" />
    <commandText value="INSERT INTO Log ([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="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>
  <!-- setup the root category, add the appenders and set the default level -->
  <root>
    <level value="WARN"/>
    <level value="INFO"/>
    <level value="DEBUG"/>
    <level value="FINE"/>
    <appender-ref ref="ADONetAppender" />
  </root>
  <!-- specify the level for some specific categories -->
  <logger name="iNotes">
    <level value="WARN"/>
    <level value="INFO"/>
    <level value="DEBUG"/>
    <level value="FINE"/>
    <appender-ref ref="ADONetAppender"/>
  </logger>
  <logger name="StellaLogger">
    <level value="ALL"/>
    <appender-ref ref="AdoNetAppender" />
  </logger>
</log4net>

6) 修改Web.Config  ,添加下面代码到节点:configuration

<configSections>  
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>  
  </configSections>  
   <log4net configSource="log4net.config"/>  

7)调用方法

//创建日志记录组件实例
            ILog log = log4net.LogManager.GetLogger(this.GetType());
            //记录错误日志
            log.Error("error", new Exception("发生了一个异常"));
            //记录严重错误
            log.Fatal("fatal", new Exception("发生了一个致命错误"));
            //记录一般信息
            log.Info("info");
            //记录调试信息
            log.Debug("debug");
            //记录警告信息
            log.Warn("warn");     
public class LogHelper
    {
        /// <summary>
        /// 错误
        /// </summary>
        /// <param name="userIP">IP</param>
        /// <param name="userName">用户</param>
        /// <param name="actionLink">动作事件</param>
        /// <param name="message">错误内容</param>
        public static void Error(string logger, string userIP, string userName, string actionsClick, string message)
        {
            ILog log = log4net.LogManager.GetLogger(logger);
            log.Error(new LogContent(userIP, userName, actionsClick, message));
        }
    }

 

8) 新增数据库表:Log

USE [JXBigData]
GO

/****** Object:  Table [dbo].[Log]    Script Date: 10/26/2017 17:22:56 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

SET ANSI_PADDING ON
GO

CREATE TABLE [dbo].[Log](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [Date] [datetime] NOT NULL,
    [Thread] [varchar](255) NOT NULL,
    [Level] [varchar](20) NOT NULL,
    [Logger] [varchar](255) NOT NULL,
    [Message] [varchar](4000) NOT NULL,
    [Exception] [varchar](3000) NULL,
    [UserIP] [varchar](50) NULL,
    [UserName] [nvarchar](100) NULL,
    [ActionsClick] [nvarchar](50) NULL,
 CONSTRAINT [PK_Log] 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

 

四 自定义属性 

1)新增下面代码(自定义属性类):Log4NetApply.cs

using log4net.Layout;
using log4net.Layout.Pattern;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace Log4NetApply
{
    /// <summary>  
    /// 包含了所有的自定字段属性  
    /// </summary>  
    public class LogContent
    {
        public LogContent(string macAddress, string computerName, string actionsclick, string description)
        {
            UserIP = macAddress;
            UserName = computerName;
            ActionsClick = actionsclick;
            Message = description;
        }

        /// <summary>  
        /// 访问IP  
        /// </summary>  
        public string UserIP { get; set; }

        /// <summary>  
        /// 系统登陆用户  
        /// </summary>  
        public string UserName { get; set; }

        /// <summary>  
        /// 动作事件  
        /// </summary>  
        public string ActionsClick { get; set; }

        /// <summary>  
        /// 日志描述信息  
        /// </summary>  
        public string Message { get; set; }


    }  
    public class MyLayout : PatternLayout
    {
        public MyLayout()
        {
            this.AddConverter("property", typeof(LogInfoPatternConverter));
        }
    }

    public class LogInfoPatternConverter : PatternLayoutConverter
    {

        protected override void Convert(System.IO.TextWriter writer, log4net.Core.LoggingEvent loggingEvent)
        {
            if (Option != null)
            {
                // Write the value for the specified key  
                WriteObject(writer, loggingEvent.Repository, LookupProperty(Option, loggingEvent));
            }
            else
            {
                // Write all the key value pairs  
                WriteDictionary(writer, loggingEvent.Repository, loggingEvent.GetProperties());
            }
        }
        /// <summary>  
        /// 通过反射获取传入的日志对象的某个属性的值  
        /// </summary>  
        /// <param name="property"></param>  
        /// <returns></returns>  

        private object LookupProperty(string property, log4net.Core.LoggingEvent loggingEvent)
        {
            object propertyValue = string.Empty;
            PropertyInfo propertyInfo = loggingEvent.MessageObject.GetType().GetProperty(property);
            if (propertyInfo != null)
                propertyValue = propertyInfo.GetValue(loggingEvent.MessageObject, null);
            return propertyValue;
        }
    }
}

2)修改log4net.config

<!--自定义Message -->
    <parameter>
      <parameterName value="@message" />
      <dbType value="String" />
      <size value="3000" />
      <layout type="Log4NetApply.MyLayout" >
        <conversionPattern value = "%property{Message}"/>
      </layout>
    </parameter>
    <!--自定义UserName -->
    <parameter>
      <parameterName value="@userName" />
      <dbType value="String" />
      <size value="100" />
      <layout type="Log4NetApply.MyLayout" >
        <conversionPattern value = "%property{UserName}"/>
      </layout>
    </parameter>
    <!--自定义UserIP -->
    <parameter>
      <parameterName value="@userIP" />
      <dbType value="String" />
      <size value="50" />
      <layout type="Log4NetApply.MyLayout" >
        <conversionPattern value = "%property{UserIP}"/>
      </layout>
    </parameter>
    <!--自定义ActionsClick -->
    <parameter>
      <parameterName value="@actionsClick" />
      <dbType value="String" />
      <size value="50" />
      <layout type="Log4NetApply.MyLayout" >
        <conversionPattern value = "%property{ActionsClick}"/>
      </layout>
    </parameter>

 


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