画方格线

import flash.display.Sprite;

var lands:Sprite = new Sprite  ;
lands.graphics.beginFill(0xff0000);
lands.graphics.lineStyle(1);
lands.graphics.drawRect(0,0,500,500);
addChild(lands);

for (var i:int = 1; i <50; i ++)
{
	lands.graphics.moveTo(10 * i,0);
	lands.graphics.lineTo(10 * i,500);
	lands.graphics.endFill();

	lands.graphics.moveTo(0,10 * i);
	lands.graphics.lineTo(500,10 * i);
	lands.graphics.endFill();
}