封装说明:
1.使用静态方法调用即可写入日志。
2.在日志信息写入之前,定义委托处理日志信息,便于记录日志信息之前,显示给用户。
3.添加代码配置Log4net,避免应用程序总是携带配置文件。如果需要使用配置文件,即可在AssemblyInfo.cs添加
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "log.xml", Watch = false)]
展开代码 /* ============================================================================== * 文 件 名:Log4NetHelp * 功能描述:Log4Net二次封装类 * Copyright (c) 2012 武汉经纬视通科技有限公司 * 创 建 人: chenbo * 创建时间: 2013/2/19 14:15:44 * 修 改 人: * 修改时间: * 修改描述: * 版 本: V1.0.0.001 * ==============================================================================*/ using System; using System.Data; using System.Text; using log4net; using log4net.Appender; using log4net.Config; using log4net.Layout; using log4net.Repository.Hierarchy; namespace Chen.Common { public class Log4NetHelp { #region 变量定义 //定义信息的二次处理 public static event Action<string> OutputMessage; //ILog对象 private static readonly ILog log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType); //记录异常日志数据库连接字符串 private const string _ConnectionString = @"data source=your server;initial catalog=your db;integrated security=false;persist security info=True;User ID=sa;Password=1111"; //信息模板 private const string _ConversionPattern = "%n【记录时间】%date%n【描述】%message%n"; #endregion #region 定义信息二次处理方式 private static void HandMessage(object Msg) { if (OutputMessage != null) { OutputMessage(Msg.ToString()); } } private static void HandMessage(object Msg, Exception ex) { if (OutputMessage != null) { OutputMessage(string.Format("{0}:{1}", Msg.ToString(), ex.ToString())); } } private static void HandMessage(string format, params object[] args) { if (OutputMessage != null) { OutputMessage(string.Format(format, args)); } } #endregion #region 封装Log4net public static void Debug(object message) { HandMessage(message); if (log.IsDebugEnabled) { log.Debug(message); } } public static void Debug(object message, Exception ex) { HandMessage(message, ex); if (log.IsDebugEnabled) { log.Debug(message, ex); } } public static void DebugFormat(string format, params object[] args) { HandMessage(format, args); if (log.IsDebugEnabled) { log.DebugFormat(format, args); } } public static void Error(object message) { HandMessage(message); if (log.IsErrorEnabled) { log.Error(message); } } public static void Error(object message, Exception ex) { HandMessage(message, ex); if (log.IsErrorEnabled) { log.Error(message, ex); } } public static void ErrorFormat(string format, params object[] args) { HandMessage(format, args); if (log.IsErrorEnabled) { log.ErrorFormat(format, args); } } public static void Fatal(object message) { HandMessage(message); if (log.IsFatalEnabled) { log.Fatal(message); } } public static void Fatal(object message, Exception ex) { HandMessage(message, ex); if (log.IsFatalEnabled) { log.Fatal(message, ex); } } public static void FatalFormat(string format, params object[] args) { HandMessage(format, args); if (log.IsFatalEnabled) { log.FatalFormat(format, args); } } public static void Info(object message) { HandMessage(message); if (log.IsInfoEnabled) { log.Info(message); } } public static void Info(object message, Exception ex) { HandMessage(message, ex); if (log.IsInfoEnabled) { log.Info(message, ex); } } public static void InfoFormat(string format, params object[] args) { HandMessage(format, args); if (log.IsInfoEnabled) { log.InfoFormat(format, args); } } public static void Warn(object message) { HandMessage(message); if (log.IsWarnEnabled) { log.Warn(message); } } public static void Warn(object message, Exception ex) { HandMessage(message, ex); if (log.IsWarnEnabled) { log.Warn(message, ex); } } public static void WarnFormat(string format, params object[] args) { HandMessage(format, args); if (log.IsWarnEnabled) { log.WarnFormat(format, args); } } #endregion #region 手动加载配置 public static void LoadADONetAppender() { Hierarchy hier = LogManager.GetLoggerRepository() as log4net.Repository.Hierarchy.Hierarchy; if (hier != null) { log4net.Appender.AdoNetAppender appender = new log4net.Appender.AdoNetAppender(); appender.Name = "AdoNetAppender"; appender.CommandType = CommandType.Text; appender.BufferSize = 1; appender.ConnectionType = "System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"; appender.ConnectionString = _ConnectionString; appender.CommandText = @"INSERT INTO Log ([Date],[Thread],[Level],[Logger],[Message],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)"; appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@log_date", DbType = System.Data.DbType.DateTime, Layout = new log4net.Layout.RawTimeStampLayout() }); appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@thread", DbType = System.Data.DbType.String, Size = 255, Layout = new Layout2RawLayoutAdapter(new PatternLayout("%thread")) }); appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@log_level", DbType = System.Data.DbType.String, Size = 50, Layout = new Layout2RawLayoutAdapter(new PatternLayout("%level")) }); appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@logger", DbType = System.Data.DbType.String, Size = 255, Layout = new Layout2RawLayoutAdapter(new PatternLayout("%logger")) }); appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@message", DbType = System.Data.DbType.String, Size = 4000, Layout = new Layout2RawLayoutAdapter(new PatternLayout("%message")) }); appender.AddParameter(new AdoNetAppenderParameter { ParameterName = "@exception", DbType = System.Data.DbType.String, Size = 4000, Layout = new Layout2RawLayoutAdapter(new ExceptionLayout()) }); appender.ActivateOptions(); BasicConfigurator.Configure(appender); } } public static void LoadFileAppender() { FileAppender appender = new FileAppender(); appender.Name = "FileAppender"; appender.File = "error.log"; appender.AppendToFile = true; PatternLayout patternLayout = new PatternLayout(); patternLayout.ConversionPattern = _ConversionPattern; patternLayout.ActivateOptions(); appender.Layout = patternLayout; //选择UTF8编码,确保中文不乱码。 appender.Encoding = Encoding.UTF8; appender.ActivateOptions(); BasicConfigurator.Configure(appender); } public static void LoadRollingFileAppender() { RollingFileAppender appender = new RollingFileAppender(); appender.AppendToFile = true; appender.Name = "RollingFileAppender"; appender.DatePattern = "yyyy-MM-dd HH'时.log'"; appender.File = "Logs/"; appender.AppendToFile = true; appender.RollingStyle = RollingFileAppender.RollingMode.Composite; appender.MaximumFileSize = "500kb"; appender.MaxSizeRollBackups = 10; appender.StaticLogFileName = false; PatternLayout patternLayout = new PatternLayout(); patternLayout.ConversionPattern = _ConversionPattern; patternLayout.ActivateOptions(); appender.Layout = patternLayout; //选择UTF8编码,确保中文不乱码。 appender.Encoding = Encoding.UTF8; appender.ActivateOptions(); BasicConfigurator.Configure(appender); } public static void LoadConsoleAppender() { ConsoleAppender appender = new ConsoleAppender(); appender.Name = "ConsoleAppender"; PatternLayout patternLayout = new PatternLayout(); patternLayout.ConversionPattern = _ConversionPattern; patternLayout.ActivateOptions(); appender.Layout = patternLayout; appender.ActivateOptions(); BasicConfigurator.Configure(appender); } public static void LoadTraceAppender() { TraceAppender appender = new TraceAppender(); appender.Name = "TraceAppender"; PatternLayout patternLayout = new PatternLayout(); patternLayout.ConversionPattern = _ConversionPattern; patternLayout.ActivateOptions(); appender.Layout = patternLayout; appender.ActivateOptions(); BasicConfigurator.Configure(appender); } public static void LoadEventLogAppender() { EventLogAppender appender = new EventLogAppender(); appender.Name = "EventLogAppender"; PatternLayout patternLayout = new PatternLayout(); patternLayout.ConversionPattern = _ConversionPattern; patternLayout.ActivateOptions(); appender.Layout = patternLayout; appender.ActivateOptions(); BasicConfigurator.Configure(appender); } #endregion #region 定义常规应用程序中未处理的异常信息记录方式 public static void LoadUnhandledException() { AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler ((sender, e) => { log.Fatal("未处理的异常", e.ExceptionObject as Exception); }); } #endregion } }
log.xml <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="log4net" type="System.Configuration.IgnoreSectionHandler"/> </configSections> <log4net> <!--定义输出到文件中--> <appender name="SysAppender" type="log4net.Appender.RollingFileAppender"> <!--日志的路径--> <file value="Logs/" /> <!--是否覆盖,默认是追加true--> <appendToFile value="true"/> <rollingStyle value="Composite"/> <!--文件名称--> <DatePattern value="yyyy-MM-dd HH'时.log'"></DatePattern> <!--设置无限备份=-1 ,最大备份数为1000--> <param name="MaxSizeRollBackups" value="1000"/> <!--每个文件的大小--> <param name="MaximumFileSize" value="500KB"/> <!--名称是否可以更改 为false为可以更改--> <param name="StaticLogFileName" value="false"/> <layout type="log4net.Layout.PatternLayout"> <!--输出格式--> <conversionPattern value="%n【记录时间】%date%n【描述】%message%n"/> </layout> </appender> <!--定义输出到控制台命令行中--> <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender"> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%n【记录时间】%date%n【描述】%message%n"/> </layout> </appender> <!--定义输出到windows事件中--> <appender name="EventLogAppender" type="log4net.Appender.EventLogAppender"> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%n========== %n【日志级别】%-5level %n【记录时间】%date %n【线程编号】[%thread] %n【执行时间】[%r]毫秒 %n【出错文件】%F %n【出错行号】%L %n【出错的类】%logger 属性[%property{NDC}] %n【错误描述】%message %n【错误详情】%newline"/> </layout> </appender> <!--定义输出到Trace中--> <appender name="TraceAppender" type="log4net.Appender.TraceAppender"> <layout type="log4net.Layout.PatternLayout"> <!--<conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />--> <conversionPattern value="%n========== %n【日志级别】%-5level %n【记录时间】%date %n【线程编号】[%thread] %n【执行时间】[%r]毫秒 %n【出错文件】%F %n【出错行号】%L %n【出错的类】%logger 属性[%property{NDC}] %n【错误描述】%message %n【错误详情】%newline"/> </layout> </appender> <!--定义日志的输出媒介,下面定义日志以四种方式输出。也可以下面的按照一种类型或其他类型输出。--> <root> <!--日志的级别 OFF > FATAL > ERROR > WARN > INFO > DEBUG > ALL 只有日志输出级别大于或等于配置的级别才能输出日志信息--> <level value="ALL" /> <!--文件形式记录日志--> <appender-ref ref="SysAppender"/> <!--控制台控制显示日志--> <appender-ref ref="ConsoleAppender"/> <!--Windows事件日志--> <!--<appender-ref ref="EventLogAppender"/>--> <!--TraceAppender日志--> <!--<appender-ref ref="TraceAppender"/>--> </root> </log4net> </configuration>