Bạn có thể tải xuống dự án mẫu từ here hoặc sao chép dán mã bên dưới. Ở cuối mã là DDL SQL cho bảng giữ thông tin đăng nhập ..
using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using log4net.Config;
using NUnit.Framework;
using GenApp.Utils;
namespace ExampleConsoleApplication
{
class TestClass
{
private static readonly ILog logger =
LogManager.GetLogger (typeof (TestClass));
static void Main (string[] args)
{
TestClass objTestClass = new TestClass();
//log4net.Appender.ColoredConsoleAppender.Colors.HighIntensity
GenApp.Bo.UserSettings us = new GenApp.Bo.UserSettings();
GenApp.Bo.User userObj = new GenApp.Bo.User()
{
UserSettings = us
};
userObj.UserSettings.LogLevel = 4;
#region SetDynamicallyLogLevel
Logger.Debug (userObj, logger, " -- Debug msg -- ");
Logger.Info (userObj, logger, " -- Info msg -- ");
Logger.Warn (userObj, logger, " -- Warn msg -- ");
Logger.Error (userObj, logger, " -- Error msg -- ");
Logger.Fatal (userObj, logger, " -- Fatal msg -- ");
#endregion SetDynamicallyLogLevel
#region RemoveDynamicallyAppenders
Logger.SetThreshold ("LogFileAppender", log4net.Core.Level.Off);
//and echo again
Logger.Debug (userObj, logger, " -- Debug msg -- ");
Logger.Info (userObj, logger, " -- Info msg -- ");
Logger.Warn (userObj, logger, " -- Warn msg -- ");
Logger.Error (userObj, logger, " -- Error msg -- ");
Logger.Fatal (userObj, logger, " -- Fatal msg -- ");
#endregion RemoveDynamicallyAppenders
Console.WriteLine (" END HIT A KEY TO EXIT ");
Console.ReadLine();
} //eof method
} //eof class
} //eof namespace
/* App.config CopyPaste
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<section name="log4net"
type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
</configSections>
<log4net>
<appender name="LogFileAppender" type="log4net.Appender.FileAppender">
<param name="File" value="Program.log" />
<param name="AppendToFile" value="true" />
<layout type="log4net.Layout.PatternLayout">
<!--<param name="Header" value="======================================" />
<param name="Footer" value="======================================" />-->
<param name="ConversionPattern" value="%date{yyyy'.'MM'.'dd --- HH':'mm':'ss'.'fff} [%t] %-5p -- %m%n" />
</layout>
</appender>
<appender name="ColoredConsoleAppender" type="log4net.Appender.ColoredConsoleAppender">
<mapping>
<level value="ERROR" />
<foreColor value="Red" />
</mapping>
<mapping>
<level value="DEBUG" />
<foreColor value="HighIntensity" />
</mapping>
<mapping>
<level value="INFO" />
<foreColor value="Green" />
</mapping>
<mapping>
<level value="WARN" />
<foreColor value="Yellow" />
</mapping>
<mapping>
<level value="FATAL" />
<foreColor value="White" />
<backColor value="Red" />
</mapping>
<layout type="log4net.Layout.PatternLayout">
<!-- You could change here the date format -->
<conversionPattern value="%date{yyyy'.'MM'.'dd --- HH':'mm':'ss'.'fff} [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
</layout>
</appender>
<appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender">
<connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.2.10.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<connectionString value="data source=ysg;initial catalog=DBGA_DEV;integrated security=true;persist security info=True;" />
<commandText value="INSERT INTO [DBGA_DEV].[ga].[tb_Data_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" 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="@domainName" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout" value="%user" />
</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>
<root>
<level value="ALL" />
<appender-ref ref="LogFileAppender" />
<appender-ref ref="AdoNetAppender" />
<appender-ref ref="ColoredConsoleAppender" />
</root>
</log4net>
</configuration>
*/
#region TheReferencesInThecsprojFile
//<Reference Include="log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821, processorArchitecture=MSIL">
// <SpecificVersion>False</SpecificVersion>
// <HintPath>..\..\..\Log4Net\log4net-1.2.10\bin\net\2.0\release\log4net.dll</HintPath>
//</Reference>
//<Reference Include="nunit.framework, Version=2.4.8.0, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL" />
#endregion TheReferencesInThecsprojFile
namespace GenApp.Bo
{
public class User
{
public int LogLevel { get; set; }
public UserSettings UserSettings { get; set; }
} //eof class
public class UserSettings
{
public int LogLevel;
}
} //eof namespace
namespace GenApp.Utils
{
///<version> 1.1 </version>
///<author> Yordan Georgiev </author>
///<summary> Wrapper around log4net with dynamically adjustable verbosity</summary>
public class Logger
{
private static Logger inst = new Logger();
public static Logger Inst()
{
inst.ConfigureLogging();
return inst;
}
public enum DebugLevel : int
{
Fatal_Msgs = 0,
Fatal_Error_Msgs = 1,
Fatal_Error_Warn_Msgs = 2,
Fatal_Error_Warn_Info_Msgs = 3,
Fatal_Error_Warn_Info_Debug_Msgs = 4
}
public static void Debug (GenApp.Bo.User userObj, ILog logger, string msg)
{
DebugLevel debugLevel = (DebugLevel)userObj.UserSettings.LogLevel;
string strLogLevel = Logger.GetLogTypeString (debugLevel);
inst.SetLogingLevel (strLogLevel);
logger.Debug (msg);
} //eof method
public static void Info (GenApp.Bo.User userObj, ILog logger, string msg)
{
DebugLevel debugLevel = (DebugLevel)userObj.UserSettings.LogLevel;
string strLogLevel = Logger.GetLogTypeString (debugLevel);
inst.SetLogingLevel (strLogLevel);
logger.Info (msg);
} //eof method
public static void Warn (GenApp.Bo.User userObj, ILog logger, string msg)
{
DebugLevel debugLevel = (DebugLevel)userObj.UserSettings.LogLevel;
string strLogLevel = Logger.GetLogTypeString (debugLevel);
inst.SetLogingLevel (strLogLevel);
logger.Warn (msg);
} //eof method
public static void Error (GenApp.Bo.User userObj, ILog logger, string msg)
{
DebugLevel debugLevel = (DebugLevel)userObj.UserSettings.LogLevel;
string strLogLevel = Logger.GetLogTypeString (debugLevel);
inst.SetLogingLevel (strLogLevel);
logger.Error (msg);
} //eof method
public static void Fatal (GenApp.Bo.User userObj, ILog logger, string msg)
{
DebugLevel debugLevel = (DebugLevel)userObj.UserSettings.LogLevel;
string strLogLevel = Logger.GetLogTypeString (debugLevel);
inst.SetLogingLevel (strLogLevel);
logger.Fatal (msg);
} //eof method
/// <summary>
/// Activates debug level
/// </summary>
/// <sourceurl>http://geekswithblogs.net/rakker/archive/2007/08/22/114900.aspx</sourceurl>
private void SetLogingLevel (string strLogLevel)
{
this.ConfigureLogging();
string strChecker = "WARN_INFO_DEBUG_ERROR_FATAL";
if (String.IsNullOrEmpty (strLogLevel) == true || strChecker.Contains (strLogLevel) == false)
throw new ArgumentOutOfRangeException (" The strLogLevel should be set to WARN , INFO , DEBUG ,");
log4net.Repository.ILoggerRepository[] repositories = log4net.LogManager.GetAllRepositories();
//Configure all loggers to be at the debug level.
foreach (log4net.Repository.ILoggerRepository repository in repositories)
{
repository.Threshold = repository.LevelMap[strLogLevel];
log4net.Repository.Hierarchy.Hierarchy hier = (log4net.Repository.Hierarchy.Hierarchy)repository;
log4net.Core.ILogger[] loggers = hier.GetCurrentLoggers();
foreach (log4net.Core.ILogger logger in loggers)
{
((log4net.Repository.Hierarchy.Logger)logger).Level = hier.LevelMap[strLogLevel];
}
}
//Configure the root logger.
log4net.Repository.Hierarchy.Hierarchy h = (log4net.Repository.Hierarchy.Hierarchy)log4net.LogManager.GetRepository();
log4net.Repository.Hierarchy.Logger rootLogger = h.Root;
rootLogger.Level = h.LevelMap[strLogLevel];
}
///<summary>
///0 -- prints only FATAL messages
///1 -- prints FATAL and ERROR messages
///2 -- prints FATAL , ERROR and WARN messages
///3 -- prints FATAL , ERROR , WARN and INFO messages
///4 -- prints FATAL , ERROR , WARN , INFO and DEBUG messages
///</summary>
private static string GetLogTypeString (DebugLevel debugLevel)
{
string srtLogLevel = String.Empty;
switch (debugLevel)
{
case DebugLevel.Fatal_Msgs:
srtLogLevel = "FATAL";
break;
case DebugLevel.Fatal_Error_Msgs:
srtLogLevel = "ERROR";
break;
case DebugLevel.Fatal_Error_Warn_Msgs:
srtLogLevel = "WARN";
break;
case DebugLevel.Fatal_Error_Warn_Info_Msgs:
srtLogLevel = "INFO";
break;
case DebugLevel.Fatal_Error_Warn_Info_Debug_Msgs:
srtLogLevel = "DEBUG";
break;
default:
srtLogLevel = "FATAL";
break;
} //eof switch
return srtLogLevel;
} //eof GetLogTypeString
/// <summary>
/// The path where the configuration is read from.
/// This value is set upon a call to ConfigureLogging().
/// </summary>
private string configurationFilePath;
public void ConfigureLogging()
{
lock (this)
{
bool configured = false;
#region ConfigureByThePathOfTheEntryAssembly
// Tells the logging system the correct path.
Assembly a = Assembly.GetEntryAssembly();
if (a != null && a.Location != null)
{
string path = a.Location + ".config";
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
else
{
path = FindConfigInPath (Path.GetDirectoryName (a.Location));
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
}
}
#endregion ConfigureByThePathOfTheEntryAssembly
#region ConfigureByWeb.config
//// Also, try web.config.
//if (!configured)
//{
// if (HttpContext.Current != null &&
// HttpContext.Current.Server != null &&
// HttpContext.Current.Request != null)
// {
// string path = HttpContext.Current.Server.MapPath (
// HttpContext.Current.Request.ApplicationPath);
// path = path.TrimEnd ('\\') + "\\Web.config";
// if (File.Exists (path))
// {
// log4net.Config.DOMConfigurator.Configure (
// new FileInfo (path));
// configurationFilePath = path;
// configured = true;
// }
// }
//}
#endregion ConfigureByWeb.config
#region ConfigureByThePathOfTheExecutingAssembly
if (!configured)
{
// Tells the logging system the correct path.
a = Assembly.GetExecutingAssembly();
if (a != null && a.Location != null)
{
string path = a.Location + ".config";
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
else
{
path = FindConfigInPath (Path.GetDirectoryName (a.Location));
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
}
}
}
#endregion ConfigureByThePathOfTheExecutingAssembly
#region ConfigureByThePathOfTheCallingAssembly
if (!configured)
{
// Tells the logging system the correct path.
a = Assembly.GetCallingAssembly();
if (a != null && a.Location != null)
{
string path = a.Location + ".config";
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
else
{
path = FindConfigInPath (Path.GetDirectoryName (a.Location));
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
}
}
}
#endregion ConfigureByThePathOfTheCallingAssembly
#region ConfigureByThePathOfTheLibIsStored
if (!configured)
{
// Look in the path where this library is stored.
a = Assembly.GetAssembly (typeof (Logger));
if (a != null && a.Location != null)
{
string path = FindConfigInPath (Path.GetDirectoryName (a.Location));
if (File.Exists (path))
{
log4net.Config.DOMConfigurator.Configure (
new FileInfo (path));
configurationFilePath = path;
configured = true;
}
}
}
#endregion ConfigureByThePathOfTheLibIsStored
} //eof lock
} //eof method
/// <summary>
/// Searches for a configuration file in the given path.
/// </summary>
private string FindConfigInPath (
string path)
{
string[] files = Directory.GetFiles (path);
if (files != null && files.Length > 0)
{
foreach (string file in files)
{
if (Path.GetExtension (file).Trim ('.').ToLower (
CultureInfo.CurrentCulture) == "config")
{
return file;
}
}
}
// Not found.
return string.Empty;
} //eof method
/// <summary>
/// Remove dynamically appenders
/// </summary>
/// <param name="appenderName"></param>
/// <param name="threshold"></param>
public static void SetThreshold (string appenderName, Level threshold)
{
foreach (AppenderSkeleton appender in LogManager.GetRepository().GetAppenders())
{
if (appender.Name == appenderName)
{
appender.Threshold = threshold;
appender.ActivateOptions();
break;
}
}
} //eof method
} //eof class
} //eof namespace
USE [DBGA_DEV]
GO
/****** Object: Table [ga].[tb_Data_Log] Script Date: 05/20/2009 12:16:01 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [ga].[tb_Data_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
) ON [PRIMARY]
GO
SET ANSI_PADDING ON
GO
Tôi chưa thử điều đó, nhưng có vẻ khá gọn gàng. –