Unity日志工具类的两种封装

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思考并回答以下问题：

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using System;
#if UNITY_ENGINE
    using UnityEngine;
#endif

    public enum LogLevel
    {
        None = 0,
        Exception = 1,
        Error = 2,
        Warning = 3,
        Normal = 4,
        Max = 5,
    }

    public static class Log
    {

        public static void LogInfo(this object selfMsg)
        {
            I(selfMsg);
        }

        public static void LogWarning(this object selfMsg)
        {
            W(selfMsg);
        }

        public static void LogError(this object selfMsg)
        {
            E(selfMsg);
        }

        public static void LogException(this Exception selfExp)
        {
            E(selfExp);
        }

        private static LogLevel mLogLevel = LogLevel.Normal;

        public static LogLevel Level
        {
            get { return mLogLevel; }
            set { mLogLevel = value; }
        }

        public static void I(object msg, params object[] args)
        {
            if (mLogLevel < LogLevel.Normal)
            {
                return;
            }

            if (args == null || args.Length == 0)
            {
#if UNITY_ENGINE
                Debug.Log(msg);
#endif
            }
            else
            {
#if UNITY_ENGINE
                Debug.LogFormat(msg.ToString(), args); 
#endif
            }
        }

        public static void E(Exception e)
        {
            if (mLogLevel < LogLevel.Exception)
            {
                return;
            }
#if UNITY_ENGINE
            Debug.LogException(e);
#endif
        }

        public static void E(object msg, params object[] args)
        {
            if (mLogLevel < LogLevel.Error)
            {
                return;
            }

            if (args == null || args.Length == 0)
            {
#if UNITY_ENGINE
                Debug.LogError(msg);
#endif
            }
            else
            {
#if UNITY_ENGINE

                Debug.LogError(string.Format(msg.ToString(), args));
#endif
            }

        }

        public static void W(object msg)
        {
            if (mLogLevel < LogLevel.Warning)
            {
                return;
            }
#if UNITY_ENGINE

            Debug.LogWarning(msg);
#endif
        }

        public static void W(string msg, params object[] args)
        {
            if (mLogLevel < LogLevel.Warning)
            {
                return;
            }
#if UNITY_ENGINE

            Debug.LogWarning(string.Format(msg, args));
#endif
        }
    }
}

插件，DLL格式

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