我使用了这个配置,但日期总是添加到当前文件中('log.20130805.0.log')。
<appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="Logs/logFile.log" />
<appendToFile value="true" />
<preserveLogFileNameExtension value="true" />
<rollingStyle value="Composite" />
<datePattern value=".yyyyMMdd" />
<maximumFileSize value="10MB" />
<countDirection value="1"/>
<maxSizeRollBackups value="-1" />
<staticLogFileName value="false" />
<layout type="log4net.Layout.PatternLayout">
<param name="ConversionPattern" value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
</appender>
该配置的结果是:
log.20130805.0.log
log.20130805.1.log
log.20130805.2.log
log.20130805.3.log
staticLogFileName=true的结果是:
log.log
log.1.log
log.2.log
log.3.log
我想要的是:
log.log
log.20130805.1.log
log.20130805.2.log
log.20130805.3.log
我知道我参加聚会迟到了,但我相信我已经学会了如何正确使用复合RollingFileAppender。我把它贴在这里是为了子孙后代,以防有人在搜索中偶然发现:
<appender name="rollingfileappender" type="log4net.Appender.RollingFileAppender">
<file value="C:Logslogfile.log" />
<datePattern value=".yyyyMMdd" />
<preserveLogFileNameExtension value="true" />
<appendToFile value="true" />
<rollingStyle value="Composite" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="100Kb" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.DynamicPatternLayout">
<conversionPattern value="%[level] - %date - %message" />
</layout>
</appender>
这里的关键是:
<preserveLogFileNameExtension value="true" />
和<staticLogFileName value="true" />
当您当前的日志文件被附加时,您会看到:
logfile.log
logfile.1.log
logfile.2.log
etc...
一旦新的一天到来,这些应该被重命名为:
logfile.20200623.log
logfile.20200623.1.log
logfile.20200623.2.log
etc...
并且您将有一个新的logfile.log,它仍然捕获您当前的日志。
您可以使用下面的函数。此函数首先获取您在web.config中设置的文件位置,然后您可以添加所需的任何路径!(如日期或客户或…)
WebConfig:
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="C:\t4\"/>
<appendToFile value="true"/>
<rollingStyle value="Composite"/>
<datePattern value="_yyyy-MM-dd.lo'g'"/>
<maxSizeRollBackups value="10"/>
<maximumFileSize value="1MB"/>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date User:%identity IP:%X{addr} Browser: %X{browser} Url: %X{url} [%thread] %-5level %c:%m%n"/>
</layout>
</appender>
功能:
public static void ChangeFileLocation(string _CustomerName,string _Project)
{
XmlConfigurator.Configure();
log4net.Repository.Hierarchy.Hierarchy h =(log4net.Repository.Hierarchy.Hierarchy)LogManager.GetRepository();
foreach (IAppender a in h.Root.Appenders)
{
if (a is FileAppender)
{
FileAppender fa = (FileAppender)a;
string sNowDate= DateTime.Now.ToLongDateString();
// Programmatically set this to the desired location here
string FileLocationinWebConfig = fa.File;
string logFileLocation = FileLocationinWebConfig + _Project + "\" + CustomerName + "\" + sNowDate + ".log";
fa.File = logFileLocation;
fa.ActivateOptions();
break;
}
}
}
结果如下:C:t4TestProjectCustomer1Saturday, August 31, 2013.log
基于这些提示,我想这是不可能的,不幸的是(对于RollingFileAppender的当前实现):
http://geekswithblogs.net/rgupta/archive/2009/03/03/tips-on-using-log4net-rollingfileappender.aspx