Question

我尝试以编程方式实例化log4net rollingfile appender：

private void GetFileAppender(string appenderName)
{
    // Get the logger repository hierarchy.  
    Hierarchy hierarchy = (Hierarchy)LogManager.GetRepository();

    /// Set the pattern layout for this appender
    PatternLayout patternLayout = new PatternLayout();
    patternLayout.ConversionPattern = "%date [%thread] %-5level %logger - %message%newline";
    patternLayout.ActivateOptions();

    /// Instantiate a new file appender
    this._fileAppender = new RollingFileAppender();
    this._fileAppender.Name = appenderName + "FileAppender";
    this._fileAppender.AppendToFile = true;
    this._fileAppender.Layout = patternLayout;
    this._fileAppender.File = "C:\\LogTest_";
    this._fileAppender.StaticLogFileName = false;
    this._fileAppender.DatePattern = "dd.MM.yyyy_hh'.log'";
    this._fileAppender.RollingStyle = RollingFileAppender.RollingMode.Size;
    this._fileAppender.MaximumFileSize = "10MB";
    this._fileAppender.MaxSizeRollBackups = 10;

    /// Define filter for this appender
    LevelRangeFilter levelRangeFilter = new LevelRangeFilter { LevelMin = Level.Debug, LevelMax = Level.Fatal, AcceptOnMatch = true };
    DenyAllFilter denyAllFilter = new log4net.Filter.DenyAllFilter();
    this._fileAppender.AddFilter(levelRangeFilter);
    this._fileAppender.AddFilter(denyAllFilter);
    this._fileAppender.ActivateOptions();
    hierarchy.Root.AddAppender(this._fileAppender);
    hierarchy.Root.Level = Level.Debug;
    hierarchy.Configured = true;
}

日志记录本身运行正常。我唯一的问题是文件名的模式不起作用。我没有得到DatePattern属性定义的日志文件的DateTime模式和文件扩展名。我只是将“LogTest_”作为文件名而没有dateTime和扩展名。

如何解决这个问题？如果我在App.config中通过XAML配置它，它会分叉。但我想以编程方式解决这个问题。

解决： 问题是我必须将RollingStyle设置为 Composite

this._fileAppender.RollingStyle = RollingFileAppender.RollingMode.Composite;

通过这样做，它需要由属性DatePattern定义的模式。

Answer 1

请参阅this post。

在RollingFileAppender中，您拥有DatePattern属性：

RollingFileAppender roller = new RollingFileAppender();
        roller.DatePattern = "yyyy.MM.dd";;

以编程方式

1 个答案: