Unity中的事件监听

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Events;

public class NewBehaviourScript : MonoBehaviour
{

// Use this for initialization
void Start()
{

var trigger = transform.gameObject.GetComponent();
if (trigger == null)
trigger = transform.gameObject.AddComponent();

// 实例化delegates
List entrys = trigger.triggers;

// 定义需要绑定的事件类型。并设置回调函数
EventTrigger.Entry entry = new EventTrigger.Entry();
// 设置 事件类型
entry.eventID = EventTriggerType.PointerClick;
// 设置回调函数
//entry.callback = new EventTrigger.TriggerEvent();

entry.callback.AddListener(OnScriptControll);
// 添加事件触发记录到GameObject的事件触发组件
entrys.Add(entry);
}
void Updata()
{ }

public void OnScriptControll(BaseEventData arg0)
{
Debug.Log("Test Click" + arg0.ToString());
}

}

 1 using UnityEngine;
 2 using System.Collections;
 3 using UnityEngine.UI;
 4 
 5 public class BtnControl : MonoBehaviour {
 6 
 7     // Use this for initialization
 8     void Start ()
 9     {
10         var button = transform.gameObject.GetComponent();
11         if (button != null)
12         {
13             button.onClick.RemoveAllListeners();
14             button.onClick.AddListener(TestClick);
15         }
16     }
17 
18     public void TestClick()
19     {
20         Debug.Log("Test Click. This is Type 4");
21     }
22     
23     // Update is called once per frame
24     void Update () {
25         
26     }
27 }