可替代log4j日志的c#简单日志类队列实现类代码分享

namespace LogisTrac
{
    /// <summary>
    /// 日志类
    /// 队列 可年/月/周/日/大小分割
    /// 调用方法：
    ///  Log.Instance.LogDirectory=@"C:\"; 默认为程序运行目录
    ///  Log.Instance.FileNamePrefix="cxd";默认为log_
    ///  Log.Instance.CurrentMsgType = MsgLevel.Debug;默认为Error
    ///  Log.Instance.logFileSplit = LogFileSplit.Daily; 日志拆分类型LogFileSplit.Sizely 大小
    ///  Log.Instance.MaxFileSize = 5; 默认大小为2M，只有LogFileSplit.Sizely的时候配置有效
    ///  Log.Instance.LogWrite("aa");
    ///  Log.Instance.LogWrite("aa", MsgLevel.Debug);
    /// </summary>
    public class Log : IDisposable
    {
        private static Log _instance = null;
        private static readonly object _synObject = new object();

        /// <summary>
        ///单例
        /// </summary>
        public static Log Instance
        {
            get
            {
                if (null == _instance)
                {
                    lock (_synObject)
                    {
                        if (null == _instance)
                        {
                            _instance = new Log();
                        }
                    }
                }
                return _instance;
            }
        }

        /// <summary>
        /// 日志对象的缓存队列
        /// </summary>
        private static Queue<Msg> _msgs;

        /// <summary>
        /// 日志写入线程的控制标记  ture写中|false没有写
        /// </summary>
        private  bool _state;

        private  string _logDirectory = AppDomain.CurrentDomain.BaseDirectory;

        /// <summary>
        /// 日志文件存放目录
        /// </summary>
        public  string LogDirectory
        {
            get { return _logDirectory; }
            set { _logDirectory = value; }
        }

        private  LogFileSplit _logFileSplit = LogFileSplit.Sizely;
        /// <summary>
        /// 日志拆分类型
        /// </summary>
        public  LogFileSplit logFileSplit
        {
            get { return _logFileSplit; }
            set { _logFileSplit = value; }
        }

        private MsgLevel _currentLogLevel = MsgLevel.Error;

        /// <summary>
        /// 当前日志记录等级
        /// </summary>
        public MsgLevel CurrentMsgType
        {
            get { return _currentLogLevel; }
            set { _currentLogLevel = value; }
        }

        /// <summary>
        /// 当前负责记录日志文件的名称
        /// </summary>
        private  string _currentFileName="1.log";

        private  string _fileNamePrefix = "log_";

        /// <summary>
        /// 日志的前缀名称，默认为log_
        /// </summary>
        public string FileNamePrefix
        {
            get { return _fileNamePrefix; }
            set { _fileNamePrefix = value; }
        }

        /// <summary>
        /// 日志文件生命周期的时间标记
        /// </summary>
        private  DateTime _CurrentFileTimeSign = new DateTime();

        private  int _maxFileSize = 2;

        /// <summary>
        /// 单个日志文件默认大小(单位：兆)
        /// </summary>
        public  int MaxFileSize
        {