//[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Web.config", Watch = true)]namespace LogNet{    /// <summary>    /// Author     :TonyKit    /// Date       :2016-09-25    /// Description:日志辅助类    /// </summary>    public class Logger    {        #region [ 单例模式 ]        private static readonly Logger _logger = new Logger();        private static readonly log4net.ILog _Logger4net = log4net.LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);        /// <summary>        /// 无参私有构造函数        /// </summary>        private Logger()        {        }        /// <summary>        /// 得到单例        /// </summary>        public static Logger Singleton        {            get            {                return _logger;            }        }        #endregion        #region [ 参数 ]        public bool IsDebugEnabled        {            get { return _Logger4net.IsDebugEnabled; }        }        public bool IsInfoEnabled        {            get { return _Logger4net.IsInfoEnabled; }        }        public bool IsWarnEnabled        {            get { return _Logger4net.IsWarnEnabled; }        }        public bool IsErrorEnabled        {            get { return _Logger4net.IsErrorEnabled; }        }        public bool IsFatalEnabled        {            get { return _Logger4net.IsFatalEnabled; }        }        #endregion        #region [ 接口方法 ]        #region [ Debug ]        public void Debug(string message)        {            if (this.IsDebugEnabled)            {                this.Log(LogLevel.Debug, message);            }        }        public void Debug(string message, Exception exception)        {            if (this.IsDebugEnabled)            {                this.Log(LogLevel.Debug, message, exception);            }        }        public void DebugFormat(string format, params object[] args)        {            if (this.IsDebugEnabled)            {                this.Log(LogLevel.Debug, format, args);            }        }        public void DebugFormat(string format, Exception exception, params object[] args)        {            if (this.IsDebugEnabled)            {                this.Log(LogLevel.Debug, string.Format(format, args), exception);            }        }        #endregion        #region [ Info ]        public void Info(string message)        {            if (this.IsInfoEnabled)            {                this.Log(LogLevel.Info, message);            }        }        public void Info(string message, Exception exception)        {            if (this.IsInfoEnabled)            {                this.Log(LogLevel.Info, message, exception);            }        }        public void InfoFormat(string format, params object[] args)        {            if (this.IsInfoEnabled)            {                this.Log(LogLevel.Info, format, args);            }        }        public void InfoFormat(string format, Exception exception, params object[] args)        {            if (this.IsInfoEnabled)            {                this.Log(LogLevel.Info, string.Format(format, args), exception);            }        }        #endregion        #region  [ Warn ]        public void Warn(string message)        {            if (this.IsWarnEnabled)            {                this.Log(LogLevel.Warn, message);            }        }        public void Warn(string message, Exception exception)        {            if (this.IsWarnEnabled)            {                this.Log(LogLevel.Warn, message, exception);            }        }        public void WarnFormat(string format, params object[] args)        {            if (this.IsWarnEnabled)            {                this.Log(LogLevel.Warn, format, args);            }        }        public void WarnFormat(string format, Exception exception, params object[] args)        {            if (this.IsWarnEnabled)            {                this.Log(LogLevel.Warn, string.Format(format, args), exception);            }        }        #endregion        #region  [ Error ]        public void Error(string message)        {            if (this.IsErrorEnabled)            {                this.Log(LogLevel.Error, message);            }        }        public void Error(string message, Exception exception)        {            if (this.IsErrorEnabled)            {                this.Log(LogLevel.Error, message, exception);            }        }        public void ErrorFormat(string format, params object[] args)        {            if (this.IsErrorEnabled)            {                this.Log(LogLevel.Error, format, args);            }        }        public void ErrorFormat(string format, Exception exception, params object[] args)        {            if (this.IsErrorEnabled)            {                this.Log(LogLevel.Error, string.Format(format, args), exception);            }        }        #endregion        #region  [ Fatal ]        public void Fatal(string message)        {            if (this.IsFatalEnabled)            {                this.Log(LogLevel.Fatal, message);            }        }        public void Fatal(string message, Exception exception)        {            if (this.IsFatalEnabled)            {                this.Log(LogLevel.Fatal, message, exception);            }        }        public void FatalFormat(string format, params object[] args)        {            if (this.IsFatalEnabled)            {                this.Log(LogLevel.Fatal, format, args);            }        }        public void FatalFormat(string format, Exception exception, params object[] args)        {            if (this.IsFatalEnabled)            {                this.Log(LogLevel.Fatal, string.Format(format, args), exception);            }        }        #endregion        #endregion        #region [ 内部方法 ]        /// <summary>        /// 输出普通日志        /// </summary>        /// <param name="level"></param>        /// <param name="format"></param>        /// <param name="args"></param>        private void Log(LogLevel level, string format, params object[] args)        {            switch (level)            {                case LogLevel.Debug:                    _Logger4net.DebugFormat(format, args);                    break;                case LogLevel.Info:                    _Logger4net.InfoFormat(format, args);                    break;                case LogLevel.Warn:                    _Logger4net.WarnFormat(format, args);                    break;                case LogLevel.Error:                    _Logger4net.ErrorFormat(format, args);                    break;                case LogLevel.Fatal:                    _Logger4net.FatalFormat(format, args);                    break;            }        }        /// <summary>        /// 格式化输出异常信息        /// </summary>        /// <param name="level"></param>        /// <param name="message"></param>        /// <param name="exception"></param>        private void Log(LogLevel level, string message, Exception exception)        {            switch (level)            {                case LogLevel.Debug:                    _Logger4net.Debug(message, exception);                    break;                case LogLevel.Info:                    _Logger4net.Info(message, exception);                    break;                case LogLevel.Warn:                    _Logger4net.Warn(message, exception);                    break;                case LogLevel.Error:                    _Logger4net.Error(message, exception);                    break;                case LogLevel.Fatal:                    _Logger4net.Fatal(message, exception);                    break;            }        }        #endregion    }    #region [ enum: LogLevel ]    /// <summary>    /// 日志级别    /// </summary>    public enum LogLevel    {        Debug,        Info,        Warn,        Error,        Fatal    }    #endregion}