32整转64

参考：http://blog.sina.com.cn/s/blog_4bf49cf30100g680.html

 

 

package {

import flash.display.Sprite;

 

public class A4 extends Sprite

{

public function A4()

{

// new GameLoader();

var u:uint = 4294967296;

// var temp:Number = 

trace(4294967296*4294967296);//18446744073709552000    18446744073709551616

trace(String(u));

trace((u*u).toString());

trace(Number(18446744073709551616));

}

}

}