我是一個三層架構的應用程序，將日志記錄放在了業(yè)務層，并寫入了數(shù)據(jù)庫，整個使用操作步驟為以下步驟。

第一步 編寫配置文件

文件名稱為 log4net.config 內容如下

?

<?xml version="1.0" encoding="utf-8"?>
<log4net>
? <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="server=fogwang;database=zzrd;uid=sa;pwd=sa;pooling=false;" />
??? <commandText value="INSERT INTO LogInfo ([dtDate],[sThread],[sLevel],[sLogger], [ClientIP], http://www.taodudu.cc/news/show-855281.html,[sMessage],[sException],OpreateType,UserAccount,UIOrSysAdmin,LogType) VALUES (@log_date, @thread, @log_level, @logger, @ClientIP, @PageUrl,@message, @exception,@OpreateType,@UserAccount,@UIOrSysAdmin,@LogType)" />
??? <parameter>
????? <parameterName value="@log_date" />
????? <dbType value="DateTime" />
????? <layout type="log4net.Layout.RawTimeStampLayout" />
??? </parameter>
??? <parameter>
????? <parameterName value="@thread" />
????? <dbType value="String" />
????? <size value="50" />
????? <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="200" />
????? <layout type="log4net.Layout.PatternLayout">
??????? <conversionPattern value="%logger" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@ClientIP" />
????? <dbType value="String" />
????? <size value="50"></size>
????? <layout type="log4net.Layout.PatternLayout">
??????? <conversionPattern value="%properties{ClientIP}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@PageUrl" />
????? <dbType value="String" />
????? <size value="200"></size>
????? <layout type="log4net.Ext.Web.ReflectionLayout">
??????? <conversionPattern value="%properties{RequestUrl}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@OpreateType" />
????? <dbType value="String" />
????? <size value="50"></size>
????? <layout type="log4net.Ext.Web.ReflectionLayout">
??????? <conversionPattern value="%properties{OpreateType}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@UserAccount" />
????? <dbType value="String" />
????? <size value="50"></size>
????? <layout type="log4net.Ext.Web.ReflectionLayout">
??????? <conversionPattern value="%properties{UserAccount}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@UIOrSysAdmin" />
????? <dbType value="String" />
????? <size value="10"></size>
????? <layout type="log4net.Ext.Web.ReflectionLayout">
??????? <conversionPattern value="%properties{UIOrSysAdmin}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@LogType" />
????? <dbType value="String" />
????? <size value="50"></size>
????? <layout type="log4net.Ext.Web.ReflectionLayout">
??????? <conversionPattern value="%properties{LogType}" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@message" />
????? <dbType value="String" />
????? <size value="3500" />
????? <layout type="log4net.Layout.PatternLayout">
??????? <conversionPattern value="%m" />
????? </layout>
??? </parameter>
??? <parameter>
????? <parameterName value="@exception" />
????? <dbType value="String" />
????? <size value="3500" />
????? <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>
? <logger name="StellaLogger">
??? <level value="ALL"/>
??? <appender-ref ref="AdoNetAppender" />
? </logger>
</log4net>

?

附：配置文件解釋:

log4net.Layout.PatternLayout中的轉換模式(ConversionPattern)

%m(message):輸出的日志消息，如ILog.Debug(…)輸出的一條消息

%n(new line):換行

%d(datetime):輸出當前語句運行的時刻

%r(run time):輸出程序從運行到執(zhí)行到當前語句時消耗的毫秒數(shù)

%t(thread id):當前語句所在的線程ID

%p(priority): 日志的當前優(yōu)先級別，即DEBUG、INFO、WARN…等

%c(class):當前日志對象的名稱，例如：

模式字符串為：%-10c -%m%n

代碼為：

ILog log=LogManager.GetLogger(“Exam.Log”);

log.Debug(“Hello”);

則輸出為下面的形式：

Exam.Log - Hello

%L：輸出語句所在的行號

%F：輸出語句所在的文件名

%-數(shù)字：表示該項的最小長度，如果不夠，則用空格填充

例如，轉換模式為%r [%t]%-5p %c - %m%n 的 PatternLayout 將生成類似于以下內容的輸出：

176 [main] INFO org.foo.Bar - Located nearest gas station.

?

第二步驟在業(yè)務層的屬性文件關聯(lián)配置文件：

[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Log4net/log4net.config", Watch = true)]

?

其中ConfigFile的屬性為放在顯示層中配置文件的位置

?

第三步在業(yè)務層中的使用：

#region 刪除記錄
????? /// <summary>
????? /// 刪除記錄
????? /// </summary>
????? /// <param name="id">ID(可多個)</param>
????? /// <returns></returns>
????? public bool Delete ( string id )
????? {
????????? DataTable dt= dal.getNewsList("id,title,typename"," in in("+id+")");
????????? log4net.Ext.Web.IWebLog log = log4net.Ext.Web.WebLogManager.GetLogger(typeof(NewsBLL));

????????? log.Info("刪除新聞標題:" + dt.Rows[0]["title"] + "新聞編號：" + dt.Rows[0]["id"] + "類別:" + dt.Rows[0]["typename"], WebUtility.Comm.GetAdminOrUIUserCook()[0], WebUtility.Comm.GetIP(), WebUtility.Comm.GetUrl(), log4net.Ext.Web.WebLogImpl.OpreateType.刪除, log4net.Ext.Web.WebLogImpl.UIOrSys.后臺, log4net.Ext.Web.WebLogImpl.LogType.信息操作日志);
????????? return dal.Delete ( id );
????? }
????? #endregion

第四步：讀取操作日志：

數(shù)據(jù)層代碼：

public class LogOpreateDAL
?? {
?????? public int Delete(string id)
?????? {
?????????? return SqlHelper.ExecuteNonQuery(DBConn.GetSqlConn(), CommandType.Text, "Delete LogInfo Where LogID In(" + id + ")");
?????? }

?????? public DataSet GetListByPage(string expcon, int pagesize, int CurrentPage, out int PageCount, out int RecordCount)
?????? {
?????????? PagerDAL dal = new PagerDAL();
?????????? return dal.GetPagerList(DBConn.GetSqlConn(), "LogInfo", "LogId", 1, "*", pagesize, CurrentPage, expcon, out PageCount, out RecordCount);
?????? }

?? }

顯示效果如下：

轉載于:https://www.cnblogs.com/fogwang/archive/2011/10/21/2666611.html

總結

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