log4.net 自定义日志文件名称
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2022-07-26 19:45:39
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 使用方法 ......
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
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; } } }
使用方法
public static Log GetLogger(string filename = "Log") { ILog logger = CustomRollingFileLogger.GetCustomLogger(filename, DateTime.Now.ToString("yyyyMMdd")); return new Log(logger); }
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