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檔案日誌 和 Oracle日誌


Log4Net.config 配置檔案,如下:

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

  <!-- Register a section handler for the log4net section -->
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
  </configSections>
  <log4net>
    <!-- Define some output appenders -->

    <!--定義輸出到檔案中-->
    <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
      <!--定義檔案存放位置-->
      <file value="log\\"/>
      <appendToFile value="true"/>
      <rollingStyle value="Date"/>
      <datePattern value="yyyyMM\\yyyyMMdd'.txt'"/>
      <staticLogFileName value="false"/>
      <param name="MaxSizeRollBackups" value="100"/>
      <layout type="log4net.Layout.PatternLayout">
        <!--<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> : %newline%message%newline%newline" />-->
        <conversionPattern value="==== %date [%thread] %-5level ==== : %newline%message%newline%newline" />
      </layout>
    </appender>
    <!-- Oracle Appender -->
    <appender name="ADONetAppender_Oracle" type="log4net.Appender.ADONetAppender">
      <!--bufferSize 為緩衝區大小,只有日誌記錄超設定值才會一塊寫入到資料庫 -->
      <bufferSize value="0" />
      <!--訪問資料庫驅動的引用-->
      <connectionType value="Oracle.DataAccess.Client.OracleConnection, Oracle.DataAccess, Version=2.112.1.0, Culture=neutral, PublicKeyToken=89b483f429c47342" />
      <!--資料庫連線字串-->
      <connectionString value="Data Source=192.168.7.9/ORCL;User ID=CrossBorderEBusiness_php;Password=CrossBorderEBusiness_php;" />
      <!--資料庫執行的Sql語句-->
      <commandText value="INSERT INTO LOG_LOG4NET (LOG_ID, LOG_DATE, LOG_LEVEL, LOG_IDENTITY, LOG_MESSAGE, LOG_EXCEPTION, LOG_LOGGER, LOG_SOURCE) VALUES (LOG_LOG4NET_SEQ.nextval, :log_date, :log_level, :log_identity, :log_message, :log_exception, :logger, :source)" />
      <!-- 日誌記錄時間,RawTimeStampLayout為預設的時間輸出格式 -->
      <parameter>
        <parameterName value=":log_date" />
        <dbType value="DateTime" />
        <layout type="log4net.Layout.RawTimeStampLayout">
        </layout>
      </parameter>
      <!--日誌等級-->
      <parameter>
        <parameterName value=":log_level" />
        <dbType value="String" />
        <size value="10" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%level" />
        </layout>
      </parameter>

      <parameter>
        <parameterName value=":log_identity" />
        <dbType value="String" />
        <size value="100" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%identity" />
        </layout>
      </parameter>
      <!-- 自定義的訊息 -->
      <parameter>
        <parameterName value=":log_message" />
        <dbType value="String" />
        <size value="2000" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%m" />
        </layout>
      </parameter>
      <!-- 異常資訊 -->
      <parameter>
        <parameterName value=":log_exception" />
        <dbType value="String" />
        <size value="2000" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%exception" />
        </layout>
      </parameter>
      <!--日誌記錄類名稱-->
      <parameter>
        <parameterName value=":logger" />
        <dbType value="String" />
        <size value="255" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%logger" />
        </layout>
      </parameter>
      <!-- 產生日誌的檔名稱 -->
      <parameter>
        <parameterName value=":source" />
        <dbType value="String" />
        <size value="1000" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%file:%line" />
        </layout>
      </parameter>
    </appender>

    <!-- Setup the root category, add the appenders and set the default level -->
    <root>
      <level value="ALL" />
      <appender-ref ref="RollingLogFileAppender" />
      <appender-ref ref="ADONetAppender_Oracle" />
    </root>

  </log4net>
</configuration>

Program.cs 程式碼如下:

using log4net;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Content/Config/Log4Net.config", Watch = true)]
namespace Com.No1.Log4Net.Oracle
{
    class Program
    {
        protected static readonly ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
        static void Main(string[] args)
        {
            for (int i = 0; i < 101; i++)
            {
                logger.Debug("OracleTest" + i);
            }
        }
    }
}


Oracle指令碼:

-- Create table
create table LOG_LOG4NET
(
  LOG_ID        NUMBER not null,
  LOG_DATE      DATE,
  LOG_LEVEL     VARCHAR2(255),
  LOG_IDENTITY  VARCHAR2(255),
  LOG_MESSAGE   NVARCHAR2(2000),
  LOG_EXCEPTION NVARCHAR2(2000),
  LOG_LOGGER    NVARCHAR2(255),
  LOG_SOURCE    NVARCHAR2(1000)
)
tablespace USERS
  pctfree 10
  initrans 1
  maxtrans 255
  storage
  (
    initial 64K
    minextents 1
    maxextents unlimited
  );


-- Create sequence 
create sequence LOG_LOG4NET_SEQ
minvalue 1
maxvalue 999999999999999999999999999
start with 221
increment by 1
cache 20;


測試結果,如下圖:


測試時注意修改節點 : connectionString    修改為 自己測試環境的連線字串 

注意點:

 <!--bufferSize 為緩衝區大小,只有日誌記錄超設定值才會一塊寫入到資料庫 -->
 <!-- 注意bufferSize 引數在測試環境建議設定為 0 ,在生產環境建議設定為100 -->

 <bufferSize value="0" /> 

如果測試環境設定成 100  ,則緩衝區 超過100條 訊息才會 寫入SqlServer庫,這個很容易忘記,造成不必要的問題。測試環境 請設定成 0