UGUI如何在程序中动态的为按钮绑定方法

需要用到两个脚本：

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EventTriggerListener .cs

using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.EventSystems;/// <summary>/// hunk xu/// </summary>public class EventTriggerListener : EventTrigger{    public delegate void VoidDelegate(GameObject go);    public VoidDelegate onClick;    public VoidDelegate onDown;    public VoidDelegate onEnter;    public VoidDelegate onExit;    public VoidDelegate onUp;    public VoidDelegate onSelect;    public VoidDelegate onUpdateSelect;    static public EventTriggerListener Get(GameObject go)    {        EventTriggerListener listener = go.GetComponent<EventTriggerListener>();        if (listener == null) listener = go.AddComponent<EventTriggerListener>();        return listener;    }    public override void OnPointerClick(PointerEventData eventData)    {        if (onClick != null) onClick(gameObject);    }    public override void OnPointerDown(PointerEventData eventData)    {        if (onDown != null) onDown(gameObject);    }    public override void OnPointerEnter(PointerEventData eventData)    {        if (onEnter != null) onEnter(gameObject);    }    public override void OnPointerExit(PointerEventData eventData)    {        if (onExit != null) onExit(gameObject);    }    public override void OnPointerUp(PointerEventData eventData)    {        if (onUp != null) onUp(gameObject);    }    public override void OnSelect(BaseEventData eventData)    {        if (onSelect != null) onSelect(gameObject);    }    public override void OnUpdateSelected(BaseEventData eventData)    {        if (onUpdateSelect != null) onUpdateSelect(gameObject);    }}

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UIMain .cs

using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;using UnityEngine.EventSystems;public class UIMain : MonoBehaviour{    public Button Btn01;    public Button Btn02;    void Start()    {        if (Btn01 != null)            EventTriggerListener.Get(Btn01.gameObject).onClick = OnButtonClick;        if (Btn02 != null)            EventTriggerListener.Get(Btn02.gameObject).onClick = OnButtonClick;    }    private void OnButtonClick(GameObject go)    {        if (go == Btn01.gameObject) {            print ("您点击的是btn01");        } else if (go == Btn02.gameObject) {            print ("您点击的是btn02");        }    }

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j将Uimain挂到场景中

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