簡單的事件系統：可以通過操作碼來執行相關的函式操作，還可以通過分模組，再新增一個模組碼，進一步細分事件系統

using System.Collections.Generic;
using System;
/// <summary>
/// 簡單的事件系統
/// </summary>
public class EventMgr
{
    private static EventMgr m_instance;
    public static EventMgr Instance
    {
        get
        {
            if (m_instance ==
 
 null)
            {
                m_instance = new EventMgr();
            }
            return m_instance;
        }
    }
    private EventMgr() { }


    private Dictionary<CMD, List<System.Action<object[]>>> map = new Dictionary<CMD, List<Action<object[]>>>
 
();


    public void Add(CMD key, Action<object[]> func)
    {
        if (!map.ContainsKey(key))
        {
            List<System.Action<object[]>> list = new List<Action<object[]>>();
            map.Add(key, list);
        }
        map[key].Add(func);
    }
    

    public
 
 void Remove(CMD key, Action<object[]> func)
    {
        if (map.ContainsKey(key))
        {
            if (map[key].Contains(func))
            {
                map[key].Remove(func);
                if (map[key].Count == 0)
                {
                    map[key].Clear();
                    map.Clear();
                }
            }
        }
    }

    /// <summary>
    /// 觸發訊息
    /// </summary>
    /// <param name="key">事件碼</param>
    /// <param name="data">引數</param>
    public void Trigger(CMD key, params object[] data)
    {
        if (map.ContainsKey(key))
        {
            int l = map[key].Count;

            for (int i = 0; i < l; i++)
            {
                map[key][i](data);
            }
        }
    }
}

public enum CMD
{
    Add_Equip,
    Remove_Equip
}