如何使用ActionScript来检测用户的操作系统种类及浏览器类型

检测用户的操作系统的代码

package

{
    import flash.display.Sprite;
    import flash.system.Capabilities;

    public class VarTest extends Sprite
    {
        public function VarTest()
        {
            super();
            graphics.lineStyle(3,9,1);
            var os:String =flash.system.Capabilities.os.substr(0,3);
            if (os == "Win") {
              // Windows-specific code goes here
            graphics.lineTo(100,300);
            } else if (os == "Mac") {
              // Mac-specific code goes here
              graphics.lineTo(500,200);
            } else {
              // Must be Unix or Linux
            }
        }
        
    }

}

检测用户浏览器的代码

   var playType:String=flash.system.Capabilities.playerType;

   if(playType=="Plugin")

   {

    //do actions for mozilla,etc.browser

    graphics.beginFill(0xff0000);

    graphics.drawRect(0,0,30,30);

    graphics.endFill();

   }

   else if(playType=="ActiveX")

   {

    //do actions for ie

    graphics.beginFill(0x00ff00);

    graphics.drawRect(50,50,40,40);

    graphics.endFill();

   }

   else

   {

    //do actions from no browser

   }