log4net封装类库、单独配置文件

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（二）使用单独的配置文件，不放在web.config里
1.新建一website.
2.添加一个类库工程，取名LogNet
  3. 为LogNet工程引用log4net.dll
  4. 双击打开AssemblyInfo.cs在最后添加
  [assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", Watch = true)]
5. 为LogNet工程添加一个logBLL.cs文件，我们把日志调用封装到这一层

  using System;
  using System.Collections.Generic;
  using System.Text;
  namespace LogNet
  {
public class LogBLL
{
public static void debug(string message)
{
log4net.ILog log = log4net.LogManager.GetLogger("Test");
if (log.IsDebugEnabled)
{
log.Debug(message);
}
log = null;
}
public static void error(string message)
{
log4net.ILog log = log4net.LogManager.GetLogger("Test");
if (log.IsErrorEnabled)
{
log.Error(message);
}
log = null;
}
public static void fatal(string message)
{

log4net.ILog log = log4net.LogManager.GetLogger("Test");
if (log.IsFatalEnabled)
{
log.Fatal(message);
}
log = null;
}
public static void info(string message)
{
log4net.ILog log = log4net.LogManager.GetLogger("Test");
if (log.IsInfoEnabled)
{
log.Info(message);
}
log = null;
}

public static void warn(string message)
{
log4net.ILog log = log4net.LogManager.GetLogger("Test");
if (log.IsWarnEnabled)
{
log.Warn(message);
}
log = null;
}
}
  }

  6.在web站点根目录下添加一个log4net.config文件，内容如下
  <?xml version="1.0" encoding="utf-8" ?>
  <configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<log4net>
<root>

</root>
<logger name="Test">
<level value="DEBUG" />
<appender-ref ref="rollingFile" />
</logger>
<appender name="rollingFile" type="log4net.Appender.RollingFileAppender,log4net" >
<param name="File" type="" value="log/" />
<param name="AppendToFile" value="true" />
<param name="RollingStyle" value="Date" />
<param name="DatePattern" value="yyyyMMdd" />
<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=" ----------------------header-------------- " />
<param name="Footer" value=" ----------------------footer-------------- " />
</layout>
</appender>
</log4net>
  </configuration>
  7.编译LogNet工程
  8.为web引入LogNet工程bin目录下的LogNet.dll
  9.在default.aspx.cs里写入如下代码
  using System;
  using System.Configuration;
  using System.Data;
  using System.Web;
  using System.Web.Security;
  using System.Web.UI;
  using System.Web.UI.HtmlControls;
  using System.Web.UI.WebControls;
  using System.Web.UI.WebControls.WebParts;
  using LogNet; //引用程序集
  public partial class _Default : System.Web.UI.Page
  {
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
LogBLL.debug("测试信息");
}
}
  }

  10.运行，将在web目录下的log目录下看到日志文件
----------------------header--------------------------
  2007-11-24 12:16:24,171 [4] DEBUG LiveBookings - 测试信息
  2007-11-24 12:16:46,312 [4] DEBUG LiveBookings - 测试信息
  ----------------------footer--------------------------

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