log4net封装类 zz

封装说明:

　　1.使用静态方法调用即可写入日志。

　　2.在日志信息写入之前，定义委托处理日志信息，便于记录日志信息之前，显示给用户。

　　3.添加代码配置Log4net，避免应用程序总是携带配置文件。如果需要使用配置文件，即可在AssemblyInfo.cs添加

    [assembly: log4net.Config.XmlConfigurator(ConfigFile = "log.xml", Watch = false)]

展开代码

/* ==============================================================================

   * 文 件 名:Log4NetHelp

   * 功能描述：Log4Net二次封装类

   * Copyright (c) 2012 武汉经纬视通科技有限公司

   * 创 建 人: chenbo

   * 创建时间: 2013/2/19 14:15:44

   * 修 改 人:

   * 修改时间:

   * 修改描述:

   * 版    本: V1.0.0.001

   * ==============================================================================*/

using System;

using System.Data;

using System.Text;

using log4net;

using log4net.Appender;

using log4net.Config;

using log4net.Layout;

using log4net.Repository.Hierarchy;

namespace Chen.Common

{

    public class Log4NetHelp

    {

        #region 变量定义

        //定义信息的二次处理

        public static event Action<string> OutputMessage;

        //ILog对象

        private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        //记录异常日志数据库连接字符串

        private const string _ConnectionString = @"data source=your server;initial catalog=your db;integrated security=false;persist security info=True;User ID=sa;Password=1111";

        //信息模板

        private const string _ConversionPattern = "%n【记录时间】%date%n【描述】%message%n";

        #endregion

        #region 定义信息二次处理方式

        private static void HandMessage(object Msg)

        {

            if (OutputMessage != null)

            {

                OutputMessage(Msg.ToString());

            }

        }

        private static void HandMessage(object Msg, Exception ex)

        {

            if (OutputMessage != null)

            {

                OutputMessage(string.Format("{0}:{1}", Msg.ToString(), ex.ToString()));

            }

        }

        private static void HandMessage(string format, params object[] args)

        {

            if (OutputMessage != null)

            {

                OutputMessage(string.Format(format, args));

            }

        }

        #endregion

        #region 封装Log4net

        public static void Debug(object message)

        {

            HandMessage(message);

            if (log.IsDebugEnabled)

            {

                log.Debug(message);

            }

        }

        public static void Debug(object message, Exception ex)

        {

            HandMessage(message, ex);

            if (log.IsDebugEnabled)

            {

                log.Debug(message, ex);

            }

        }

        public static void DebugFormat(string format, params object[] args)

        {

            HandMessage(format, args);

            if (log.IsDebugEnabled)

            {

                log.DebugFormat(format, args);

            }

        }

        public static void Error(object message)

        {

            HandMessage(message);

            if (log.IsErrorEnabled)

            {

                log.Error(message);

            }

        }

        public static void Error(object message, Exception ex)

        {

            HandMessage(message, ex);

            if (log.IsErrorEnabled)

            {

                log.Error(message, ex);

            }

        }

        public static void ErrorFormat(string format, params object[] args)

        {

            HandMessage(format, args);

            if (log.IsErrorEnabled)

            {

                log.ErrorFormat(format, args);

            }

        }

        public static void Fatal(object message)

        {

            HandMessage(message);

            if (log.IsFatalEnabled)

            {

                log.Fatal(message);

            }

        }

        public static void Fatal(object message, Exception ex)

        {

            HandMessage(message, ex);

            if (log.IsFatalEnabled)

            {

                log.Fatal(message, ex);

            }

        }

        public static void FatalFormat(string format, params object[] args)

        {

            HandMessage(format, args);

            if (log.IsFatalEnabled)

            {

                log.FatalFormat(format, args);

            }

        }

        public static void Info(object message)

        {

            HandMessage(message);

            if (log.IsInfoEnabled)

            {

                log.Info(message);

            }

        }

        public static void Info(object message, Exception ex)

        {

            HandMessage(message, ex);

            if (log.IsInfoEnabled)

            {

                log.Info(message, ex);

            }

        }

        public static void InfoFormat(string format, params object[] args)

        {

            HandMessage(format, args);

            if (log.IsInfoEnabled)

            {

                log.InfoFormat(format, args);

            }

        }

        public static void Warn(object message)

        {

            HandMessage(message);

            if (log.IsWarnEnabled)

            {

                log.Warn(message);

            }

        }

        public static void Warn(object message, Exception ex)

        {

            HandMessage(message, ex);

            if (log.IsWarnEnabled)

            {

                log.Warn(message, ex);

            }

        }

        public static void WarnFormat(string format, params object[] args)

        {

            HandMessage(format, args);

            if (log.IsWarnEnabled)

            {

                log.WarnFormat(format, args);

            }

        }

        #endregion

        #region 手动加载配置

        public static void LoadADONetAppender()

        {

            Hierarchy hier = LogManager.GetLoggerRepository() as log4net.Repository.Hierarchy.Hierarchy;

            if (hier != null)

            {

                log4net.Appender.AdoNetAppender appender = new log4net.Appender.AdoNetAppender();

                appender.Name = "AdoNetAppender";

                appender.CommandType = CommandType.Text;

                appender.BufferSize = ;

                appender.ConnectionType = "System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089";

                appender.ConnectionString = _ConnectionString;

                appender.CommandText = @"INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)";

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@log_date", DbType = System.Data.DbType.DateTime, Layout = new log4net.Layout.RawTimeStampLayout() });

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@thread", DbType = System.Data.DbType.String, Size = , Layout = new Layout2RawLayoutAdapter(new PatternLayout("%thread")) });

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@log_level", DbType = System.Data.DbType.String, Size = , Layout = new Layout2RawLayoutAdapter(new PatternLayout("%level")) });

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@logger", DbType = System.Data.DbType.String, Size = , Layout = new Layout2RawLayoutAdapter(new PatternLayout("%logger")) });

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@message", DbType = System.Data.DbType.String, Size = , Layout = new Layout2RawLayoutAdapter(new PatternLayout("%message")) });

                appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@exception", DbType = System.Data.DbType.String, Size = , Layout = new Layout2RawLayoutAdapter(new ExceptionLayout()) });

                appender.ActivateOptions();

                BasicConfigurator.Configure(appender);

            }

        }

        public static void LoadFileAppender()

        {

            FileAppender appender = new FileAppender();

            appender.Name = "FileAppender";

            appender.File = "error.log";

            appender.AppendToFile = true;

            PatternLayout patternLayout = new PatternLayout();

            patternLayout.ConversionPattern = _ConversionPattern;

            patternLayout.ActivateOptions();

            appender.Layout = patternLayout;

            //选择UTF8编码，确保中文不乱码。

            appender.Encoding = Encoding.UTF8;

            appender.ActivateOptions();

            BasicConfigurator.Configure(appender);

        }

        public static void LoadRollingFileAppender()

        {

            RollingFileAppender appender = new RollingFileAppender();

            appender.AppendToFile = true;

            appender.Name = "RollingFileAppender";

            appender.DatePattern = "yyyy-MM-dd HH'时.log'";

            appender.File = "Logs/";

            appender.AppendToFile = true;

            appender.RollingStyle = RollingFileAppender.RollingMode.Composite;

            appender.MaximumFileSize = "500kb";

            appender.MaxSizeRollBackups = ;

            appender.StaticLogFileName = false;

            PatternLayout patternLayout = new PatternLayout();

            patternLayout.ConversionPattern = _ConversionPattern;

            patternLayout.ActivateOptions();

            appender.Layout = patternLayout;

            //选择UTF8编码，确保中文不乱码。

            appender.Encoding = Encoding.UTF8;

            appender.ActivateOptions();

            BasicConfigurator.Configure(appender);

        }

        public static void LoadConsoleAppender()

        {

            ConsoleAppender appender = new ConsoleAppender();

            appender.Name = "ConsoleAppender";

            PatternLayout patternLayout = new PatternLayout();

            patternLayout.ConversionPattern = _ConversionPattern;

            patternLayout.ActivateOptions();

            appender.Layout = patternLayout;

            appender.ActivateOptions();

            BasicConfigurator.Configure(appender);

        }

        public static void LoadTraceAppender()

        {

            TraceAppender appender = new TraceAppender();

            appender.Name = "TraceAppender";

            PatternLayout patternLayout = new PatternLayout();

            patternLayout.ConversionPattern = _ConversionPattern;

            patternLayout.ActivateOptions();

            appender.Layout = patternLayout;

            appender.ActivateOptions();

            BasicConfigurator.Configure(appender);

        }

        public static void LoadEventLogAppender()

        {

            EventLogAppender appender = new EventLogAppender();

            appender.Name = "EventLogAppender";

            PatternLayout patternLayout = new PatternLayout();

            patternLayout.ConversionPattern = _ConversionPattern;

            patternLayout.ActivateOptions();

            appender.Layout = patternLayout;

            appender.ActivateOptions();

            BasicConfigurator.Configure(appender);

        }

        #endregion

        #region 定义常规应用程序中未处理的异常信息记录方式

        public static void LoadUnhandledException()

        {

            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler

 ((sender, e) =>

 {

     log.Fatal("未处理的异常", e.ExceptionObject as Exception);

 });

        }

        #endregion

    }

}

log.xml

<?xml version="1.0" encoding="utf-8" ?>

<configuration>

  <configSections>

    <section name="log4net" type="System.Configuration.IgnoreSectionHandler"/>

  </configSections>

  <log4net>

    <!--定义输出到文件中-->

    <appender name="SysAppender" type="log4net.Appender.RollingFileAppender">

      <!--日志的路径-->

      <file value="Logs/" />

      <!--是否覆盖，默认是追加true-->

      <appendToFile value="true"/>

      <rollingStyle value="Composite"/>

      <!--文件名称-->

      <DatePattern value="yyyy-MM-dd HH'时.log'"></DatePattern>

      <!--设置无限备份=- ，最大备份数为1000-->

      <param name="MaxSizeRollBackups" value=""/>

      <!--每个文件的大小-->

      <param name="MaximumFileSize" value="500KB"/>

      <!--名称是否可以更改 为false为可以更改-->

      <param name="StaticLogFileName" value="false"/>

      <layout type="log4net.Layout.PatternLayout">

        <!--输出格式-->

        <conversionPattern value="%n【记录时间】%date%n【描述】%message%n"/>

      </layout>

    </appender>

    <!--定义输出到控制台命令行中-->

    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">

      <layout type="log4net.Layout.PatternLayout">

        <conversionPattern value="%n【记录时间】%date%n【描述】%message%n"/>

      </layout>

    </appender>

    <!--定义输出到windows事件中-->

    <appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">

      <layout type="log4net.Layout.PatternLayout">

        <conversionPattern value="%n＝＝＝＝＝＝＝＝＝＝

%n【日志级别】%-5level

%n【记录时间】%date

%n【线程编号】[%thread]

%n【执行时间】[%r]毫秒

%n【出错文件】%F

%n【出错行号】%L

%n【出错的类】%logger 属性[%property{NDC}]

%n【错误描述】%message

%n【错误详情】%newline"/>

      </layout>

    </appender>

    <!--定义输出到Trace中-->

    <appender name="TraceAppender" type="log4net.Appender.TraceAppender">

      <layout type="log4net.Layout.PatternLayout">

        <!--<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />-->

        <conversionPattern value="%n＝＝＝＝＝＝＝＝＝＝

%n【日志级别】%-5level

%n【记录时间】%date

%n【线程编号】[%thread]

%n【执行时间】[%r]毫秒

%n【出错文件】%F

%n【出错行号】%L

%n【出错的类】%logger 属性[%property{NDC}]

%n【错误描述】%message

%n【错误详情】%newline"/>

      </layout>

    </appender>

    <!--定义日志的输出媒介，下面定义日志以四种方式输出。也可以下面的按照一种类型或其他类型输出。-->

    <root>

      <!--日志的级别 OFF > FATAL > ERROR > WARN > INFO > DEBUG > ALL 只有日志输出级别大于或等于配置的级别才能输出日志信息-->

      <level value="ALL" />

      <!--文件形式记录日志-->

      <appender-ref ref="SysAppender"/>

      <!--控制台控制显示日志-->

      <appender-ref ref="ConsoleAppender"/>

      <!--Windows事件日志-->

      <!--<appender-ref ref="EventLogAppender"/>-->

      <!--TraceAppender日志-->

      <!--<appender-ref ref="TraceAppender"/>-->

    </root>

  </log4net>

</configuration>

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