使用log4net丢弃范围内的几个日志级别 [英] Discarding several log levels within a range with log4net

问题描述

说我将log4net记录器的minLevel和maxLevel分别设置为FATAL和DEBUG，但是在某些情况下，我想忽略以WARN级别编写的日志项，并保留所有活动范围内的其他级别.

Say I set my log4net logger's minLevel and maxLevel to FATAL and DEBUG respectively, but under some scenario I want to mute the log-items written in the WARN level, and keep all the other levels in the range active.

是否可以以某种方式使用日志级别的离散"级别，而不是使用minLevel和maxLevel指定范围?

Is it possible to somehow use 'discrete' levels of log-levels rather than specifying a range using minLevel and maxLevel?

我认为这应该很简单，但是我还没有找到任何log4net文档或解决此问题的示例.

I assume this should be simple, but I haven't found any log4net docs or examples dealing with this issue.

推荐答案

您可以在附加程序上使用LevelMatchFilter.

You can use the LevelMatchFilter on your appender.

示例:

<appender name="FilteredConsoleAppender" type="log4net.Appender.ColoredConsoleAppender">
    <filter type="log4net.Filter.LevelMatchFilter">
        <levelToMatch value="DEBUG" />
    </filter>
    <filter type="log4net.Filter.LevelMatchFilter">
        <levelToMatch value="INFO" />
    </filter>
    <filter type="log4net.Filter.LevelMatchFilter">
        <levelToMatch value="ERROR" />
    </filter>
    <filter type="log4net.Filter.DenyAllFilter" />
    ...
</appender>

此示例将仅打印DEBUG； INFO和ERROR消息.很容易根据您的需求进行自定义.

This example will only print DEBUG; INFO and ERROR messages. It is easy to customize this according to your needs.

注意:不要忘记最后的DenyAllFilter.

Note: Do not forget the DenyAllFilter at the end.

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