flex canvas绘图示例-创建一个由不同分块表示的等级条或指标条

效果：

 

代码：

protected function canGraphic_creationCompleteHandler(event:FlexEvent):void
   {
   
    var s:Canvas = canGraphic;//canGraphic是要引用 的画布
    s.graphics.beginFill(0xFFFFFF);//上边白线   240，3
    s.graphics.lineStyle(0, 0xFFFFFF);
    s.graphics.drawRect(0, 0, 240, 3);   
    s.graphics.endFill();
    s.graphics.beginFill(0x00FF00);//矩形框1 40，20
    s.graphics.lineStyle(0, 0x00FF00);
    s.graphics.drawRect(0, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.beginFill(0xffd700);
    s.graphics.lineStyle(0, 0xffd700);
    s.graphics.drawRect(40, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.endFill();
    s.graphics.beginFill(0xff8c00);//矩形框3 40，20
    s.graphics.lineStyle(0, 0xff8c00);
    s.graphics.drawRect(80, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.beginFill(0xff0000);
    s.graphics.lineStyle(0, 0xff0000);
    s.graphics.drawRect(120, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.endFill();
    s.graphics.beginFill(0x990066);//矩形框5 40，20
    s.graphics.lineStyle(0, 0x990066);
    s.graphics.drawRect(160, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.beginFill(0x800000);
    s.graphics.lineStyle(0, 0x800000);
    s.graphics.drawRect(200, 3, 40, 20);   
    s.graphics.endFill();
    s.graphics.endFill();
    s.graphics.beginFill(0xFFFFFF);//白线2 240，3
    s.graphics.lineStyle(0, 0xFFFFFF);
    s.graphics.drawRect(0, 23, 240, 3);   
    s.graphics.endFill(); 
   
    var arr:Array = new Array("I", "II", "III", "IV", "V", "VI");
    for (var i:int=0;i<6;i++)
    {
     var lbl:Label = new Label();
     lbl.text = arr[i];   
     lbl.x = i * 40;lbl.y =3; lbl.width = 40; lbl.height = 20;
     lbl.setStyle("textAlign","center");
     lbl.setStyle('color','black');
     lbl.setStyle("verticalAlign","middle");
     s.addChild(lbl);
    }
   }