在場景載入時,即可繫結所有的事件處理函式,可以繫結onClick的監聽,亦可以繫結其他事件,稍作修改,還可使用於其他GameObject,不一定是Button.

public class ScenePlayEventHandler : MonoBehaviour
{
    private void Awake()
    {
        //按鈕
        var btns = FindObjectsOfType<Button>();
        foreach (var item in btns)
        {
            switch (item.name)
            {
                case "ButtonStart":
                    {
                        item.onClick.AddListener(delegate ()
                        {
                            GameManager.Instance().StartGame();
                        });
                    }
                    break;

                case "ButtonBackground":
                    {
                        var trigger = item.gameObject.GetComponent<EventTrigger>();
                        if (trigger == null)
                            trigger = item.gameObject.AddComponent<EventTrigger>();

                        if (trigger.triggers == null)
                            trigger.triggers = new List<EventTrigger.Entry>();

                        EventTrigger.Entry entry = new EventTrigger.Entry();
                        entry.eventID = EventTriggerType.PointerDown;
                        entry.callback = new EventTrigger.TriggerEvent();
                        entry.callback.AddListener(delegate (BaseEventData data)
                        {
                            GameManager.Instance().Jump();
                        });
                        trigger.triggers.Add(entry);
                        int a = 0;
                        a++;
                    }
                    break;
            }
        }
    }
}