我使用 log4net.Appender.AdoNetAppender appender。
我的 log4net 表有以下字段 [Date]、[Thread]、[Level]、[Logger]、[Message]、[Exception]
我需要向 log4net 表添加另一个字段(例如 SalesId),但是我如何在我的 xml 和代码中指定以在记录错误或信息消息时记录“SalesId”?
例如log.Info("SomeMessage", SalesId)
这是 log4net xml
<appender name="SalesDBAppender" type="log4net.Appender.AdoNetAppender">
<bufferSize value="1" />
<connectionType value ="System.Data.SqlClient.SqlConnection" />
<connectionString value="Data Source=..." />
<commandText value="INSERT INTO Log4Net ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)" />
<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>
</appender>
最佳答案
1) 修改命令文本:INSERT INTO Log4Net ([Date],[Thread],[Level],[Logger],[Message],[Exception],[MyColumn]) VALUES (@log_date, @thread、@log_level、@logger、@message、@exception、@CustomColumn)
2)为自定义列添加参数定义:
<parameter>
<parameterName value="@CustomColumn"/>
<dbType value="String" />
<size value="255" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%property{CustomColumn}" />
</layout>
</parameter>
3) 然后使用 log4net 的上下文之一将值传递给参数:
// thread properties...
log4net.LogicalThreadContext.Properties["CustomColumn"] = "Custom value";
log.Info("Message");
// ...or global properties
log4net.GlobalContext.Properties["CustomColumn"] = "Custom value";
关于c# - Log4Net,如何将自定义字段添加到我的日志记录中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/12139486/