命令模式

public abstract class Command
{
    public abstract void Execute();
}

public class ConcreteCommand1 : Command
{
    string param;
    public Receiver1 receiver;
    public ConcreteCommand1(string p,Receiver1 r)
    {
        this.param = p;
        this.receiver = r;
    }
    public override void Execute()
    {
        receiver.Execute(param);
    }
}

using System.Collections;
using System.Collections.Generic;

public class Invoker
{
    Queue<Command> _Commands;
    public Invoker()
    {
        _Commands = new Queue<Command>();
    }

    public void AddCommand(Command c)
    {
        _Commands.Enqueue(c);
    }

    public void Execute()
    {
        while(_Commands.Count>0)
        {
            Command c = _Commands.Dequeue();
            c.Execute();
        }
    }
}

using UnityEngine;

public class Receiver1
{
    public void Execute(string param)
    {
        Debug.Log("this is receive1,param = "+param);
    }
}