每天创建一个文件夹，当达到最大大小时创建一个新文件

问题描述

我需要在应用程序位置之外创建一个日志目录，并为每个日期创建一个文件夹.当达到最大大小时，我还需要创建一个新文件.

I need to create a logs directory outside the location of my application and a folder for each date. I also need to create a new file when the max size is reached.

我正在使用以下代码:

<log4net>
    <appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender,log4net">
      <file type="log4net.Util.PatternString" value="D:/Logs/EmailService/"/>
      <appendToFile value="true"/>
      <rollingStyle value="Size"/>
      <datePattern value=".yyyyMMdd\\\\'service.log"/>
      <staticLogFileName value="true"/>
      <maximumFileSize value="5MB"/>
      <maxSizeRollBackups value="20"/>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] – %message%newline"/>
      </layout>
      <lockingModel type="log4net.Appender.FileAppender+MutexLock" />
    </appender>

    <!-- Setup the root category, add the appenders and set the default level -->
    <root>
      <level value="DEBUG" />
      <appender-ref ref="LogFileAppender" />
    </root>
  </log4net>

但是，没有创建文件.怎么了?

However, the files are not being created. What is wrong with it?

这是完整的代码，它与@stuartd的答案一起可以在每个日期创建目录:

Here's the complete code, that along with @stuartd's answer were able to create the directory per date:

<log4net>
    <appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender,log4net">
      <file type="log4net.Util.PatternString" value="D:/Logs/emailservice/%date{yyyyMMdd}/logfile.log"/>
      <appendToFile value="true"/>
      <rollingStyle value="Composite"/>
      <maximumFileSize value="5MB"/>
      <maxSizeRollBackups value="20"/>
      <datePattern value="yyyyMMdd"/>
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%ndc] – %message%newline"/>
      </layout>
    </appender>

    <!-- Setup the root category, add the appenders and set the default level -->
    <root>
      <level value="WARN" />
      <appender-ref ref="LogFileAppender" />
    </root>
  </log4net>

推荐答案

为了滚动日期和大小，您必须在配置中设置<rollingStyle value="Composite"/>-来自文档:

in order to roll on date and size you must set <rollingStyle value="Composite"/> in your config - from the docs:

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