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C#教程之C#教程之log4.net 自定义日志文件名称
本站最新发布 C#从入门到精通
试听地址 https://www.xin3721.com/eschool/CSharpxin3721/
试听地址 https://www.xin3721.com/eschool/CSharpxin3721/
插件化项目中,遇到这样一个需求,每个插件 或者每个方法 一个日志文件,方便后期错误排查
源码地址: https://github.com/xlb378917466/SharpHttpServerCase.git
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Collections.Concurrent; using System.Configuration; using log4net; using log4net.Appender; using log4net.Core; using log4net.Layout; using log4net.Repository; using log4net.Repository.Hierarchy; [assembly: log4net.Config.XmlConfigurator(Watch = true )] namespace TechSvr.Utils { public static class CustomRollingFileLogger { private static readonly ConcurrentDictionary< string , ILog> loggerContainer = new ConcurrentDictionary< string , ILog>(); //默认配置 private const int MAX_SIZE_ROLL_BACKUPS = 20; private const string LAYOUT_PATTERN = "%newline记录时间:%date% 描述:%message%newline" ; private const string DATE_PATTERN = "yyyyMMdd" ; private const string MAXIMUM_FILE_SIZE = "2MB" ; private const string LEVEL = "ALL" ; public static ILog GetCustomLogger( string loggerName, string category = null , bool additivity = false ) { return loggerContainer.GetOrAdd(loggerName, delegate ( string name) { RollingFileAppender newAppender = GetNewFileApender(loggerName, GetFile(category, loggerName), MAX_SIZE_ROLL_BACKUPS, true , true , MAXIMUM_FILE_SIZE, RollingFileAppender.RollingMode.Composite, DATE_PATTERN, LAYOUT_PATTERN); log4net.Repository.Hierarchy.Hierarchy repository = (log4net.Repository.Hierarchy.Hierarchy)LogManager.GetRepository(); Logger logger = repository.LoggerFactory.CreateLogger(repository, loggerName); logger.Hierarchy = repository; logger.Parent = repository.Root; logger.Level = GetLoggerLevel(LEVEL); logger.Additivity = additivity; logger.AddAppender(newAppender); logger.Repository.Configured = true ; return new LogImpl(logger); }); } //如果没有指定文件路径则在运行路径下建立 Log\{loggerName}.txt private static string GetFile( string category, string loggerName) { if ( string .IsNullOrEmpty(category)) { return string .Format( @"Logs\{0}.txt" , loggerName); } else { return string .Format( @"Logs\{0}\{1}.txt" , category, loggerName); } } private static Level GetLoggerLevel( string level) { if (! string .IsNullOrEmpty(level)) { switch (level.ToLower().Trim()) { case "debug" : return Level.Debug; case "info" : return Level.Info; case "warn" : return Level.Warn; case "error" : return Level.Error; case "fatal" : return Level.Fatal; } } return Level.Debug; } private static RollingFileAppender GetNewFileApender( string appenderName, string file, int maxSizeRollBackups, bool appendToFile = true , bool staticLogFileName = false , string maximumFileSize = "2MB" , RollingFileAppender.RollingMode rollingMode = RollingFileAppender.RollingMode.Size, string datePattern = "yyyyMMdd\".txt\"" , string layoutPattern = "%d [%t] %-5p %c - %m%n" ) { RollingFileAppender appender = new RollingFileAppender { LockingModel = new FileAppender.MinimalLock(), Name = appenderName, File = file, AppendToFile = appendToFile, MaxSizeRollBackups = maxSizeRollBackups, MaximumFileSize = maximumFileSize, StaticLogFileName = staticLogFileName, RollingStyle = rollingMode, DatePattern = datePattern }; PatternLayout layout = new PatternLayout(layoutPattern); appender.Layout = layout; layout.ActivateOptions(); appender.ActivateOptions(); return appender; } } } |
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