1 using UnityEngine; 2 using System.Collections; 3 using UnityEngine.EventSystems; 4 public class EventTriggerListener : UnityEngine.EventSystems.EventTrigger{ 5     public delegate void VoidDelegate (GameObject go); 6     public VoidDelegate onClick; 7     public VoidDelegate onDown; 8     public VoidDelegate onEnter; 9     public VoidDelegate onExit;10     public VoidDelegate onUp;11     public VoidDelegate onSelect;12     public VoidDelegate onUpdateSelect;13  14     static public EventTriggerListener Get (GameObject go)15     {16         EventTriggerListener listener = go.GetComponent
     
      ();17         if (listener == null) listener = go.AddComponent
      
       ();18         return listener;19     }20     public override void OnPointerClick(PointerEventData eventData)21     {22         if(onClick != null)     onClick(gameObject);23     }24     public override void OnPointerDown (PointerEventData eventData){25         if(onDown != null) onDown(gameObject);26     }27     public override void OnPointerEnter (PointerEventData eventData){28         if(onEnter != null) onEnter(gameObject);29     }30     public override void OnPointerExit (PointerEventData eventData){31         if(onExit != null) onExit(gameObject);32     }33     public override void OnPointerUp (PointerEventData eventData){34         if(onUp != null) onUp(gameObject);35     }36     public override void OnSelect (BaseEventData eventData){37         if(onSelect != null) onSelect(gameObject);38     }39     public override void OnUpdateSelected (BaseEventData eventData){40         if(onUpdateSelect != null) onUpdateSelect(gameObject);41     }42 }
      
     

1 using UnityEngine; 2 using System.Collections; 3 using UnityEngine.UI; 4 using UnityEngine.EventSystems; 5 using UnityEngine.Events; 6 public class UIMain : MonoBehaviour { 7     Button    button; 8     Image image; 9     void Start () 10     {11         button = transform.Find("Button").GetComponent();12         image = transform.Find("Image").GetComponent();13         EventTriggerListener.Get(button.gameObject).onClick =OnButtonClick;14         EventTriggerListener.Get(image.gameObject).onClick =OnButtonClick;15     }16  17     private void OnButtonClick(GameObject go){18         //在这里监听按钮的点击事件19         if(go == button.gameObject){20             Debug.Log ("DoSomeThings");21         }22     }23 }

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