using UnityEngine;
using System.Collections;

public class NewBehaviourScript : MonoBehaviour {

 void OnGUI(){
  if(GUI.Button(new Rect(10,10,100,30),"点击")){
   Application.ExternalCall ("MyFunction2", "Hello from Unity!");//web窗体显示Hello from Unity
  }
 }
}
保存 发布成webplay形式

在html中

<title>Unity Web Player | WebPlayer</title>
  <script type="text/javascript" src="http://webplayer.unity3d.com/download_webplayer-3.x/3.0/uo/UnityObject.js"></script>
  <script type="text/javascript">

下边插入一下数据

function MyFunction2( arg )
{
alert( arg );
}

保存运行webplay

unity与web交互