log4net记录日志到数据库自定义字段

假设数据库中有如下自定义字段：







1、根据自定义字段定义日志信息对象

public class MessageLog
{

/// <summary>
/// 短信发送是否成功
/// </summary>
public int Success { get; set; }

/// <summary>
/// 发送号码(可以多个，逗号分隔)
/// </summary>
public string Mobiles { get; set; }

public string Message { get; set; }

/// <summary>
/// 发送内容
/// </summary>
public string Content { get; set; }

public override string ToString()
{
return this.Message;
}
}

2、根据自定义字段定义PatternConverter，以Content自定义字段为例，其它两个字段同

internal sealed class ContentPatternConverter : PatternLayoutConverter
{
protected override void Convert(System.IO.TextWriter writer, LoggingEvent loggingEvent)
{
var messageLog = loggingEvent.MessageObject as MessageLog;
if (messageLog != null)
{
writer.Write(messageLog.Content);
}
}
}

3、自定义PatternLayout

public class MessageLayout : PatternLayout
{
public MessageLayout()
{
this.AddConverter("Success", typeof(SuccessPatternConverter));
this.AddConverter("Mobiles", typeof(MobilesPatternConverter));
this.AddConverter("Content", typeof(ContentPatternConverter));
}
}

4、日志配置文件中添加数据库记录器并引用

<appender name="MySqlAdoNetAppender" type="log4net.Appender.AdoNetAppender">
<bufferSize value="1" />
<param name="ConnectionType" value="MySql.Data.MySqlClient.MySqlConnection, MySql.Data" />
<param name="ConnectionString" value="Data Source=192.168.2.239;port=3306;Initial Catalog=log;user id=hhuser;password=123456;" />
<commandText value="INSERT INTO log4message(datetime,thread,level,logger,message,Exception,Success,Mobiles,Content) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception, @Success, @Mobiles, @Content)" />
<parameter>
<parameterName value="@log_date" />
<dbType value="DateTime" />
<layout type="log4net.Layout.RawTimeStampLayout" />
</parameter>
<parameter>
<parameterName value="@thread" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%thread" />
</layout>
</parameter>
<parameter>
<parameterName value="@log_level" />
<dbType value="String" />
<size value="50" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level" />
</layout>
</parameter>
<parameter>
<parameterName value="@logger" />
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%logger" />
</layout>
</parameter>
<parameter>
<parameterName value="@message" />
<dbType value="String" />
<size value="4000" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%message" />
</layout>
</parameter>
<parameter>
<parameterName value="@exception" />
<dbType value="String" />
<size value="2000" />
<layout type="log4net.Layout.ExceptionLayout" />
</parameter>
<parameter>
<parameterName value="@Success" />
<dbType value="Int32" />
<layout type="BKMS.Service.Log.MessageLayout, BKMS.Service">
<conversionPattern value="%Success" />
</layout>
</parameter>
<parameter>
<parameterName value="@Mobiles" />
<dbType value="String" />
<size value="4000" />
<layout type="BKMS.Service.Log.MessageLayout, BKMS.Service">
<conversionPattern value="%Mobiles" />
</layout>
</parameter>
<parameter>
<parameterName value="@Content" />
<dbType value="String" />
<layout type="BKMS.Service.Log.MessageLayout, BKMS.Service">
<conversionPattern value="%Content" />
</layout>
</parameter>
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="INFO" />
<levelMax value="INFO" />
</filter>
</appender>