Flex画流程图 - 爱码网

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="initApp()">
<mx:Canvas />
</mx:Canvas>
</mx:Canvas>

<mx:Script>
<![CDATA[
  import mx.controls.Button;

  import mx.containers.Canvas;

  private function initApp():void{

       paper.graphics.clear();
                doDraw(Total, LEV1_1);
                doDraw(Total, LEV1_2);
                doDraw(Total, LEV1_3);
                doDraw(LEV1_1, LEV1_1_1);
                doDraw(LEV1_1, LEV1_1_2);
                doDraw(LEV1_1, LEV1_1_3);
                createAll();
  }


  private function createAll():void{
    var canvas:Canvas = new Canvas();
    canvas.x = 374;
    canvas.y = 250;
    canvas.setActualSize(108, 75);
    canvas.setStyle("borderStyle", "inset");
    var button:Button = new Button();
    button.x = 0;
    button.y = 41;
    button.setActualSize(103,28);
    var text:Text = new Text();
    text.x = 0;
    text.y = 0;
    text.setActualSize(103,42);
    button.label = "关键词导出";
    text.text = "List   PV:10000";
    canvas.addChild(button);
    canvas.addChild(text);
    paper.addChild(canvas);
  }


  private function export(text:String):void{
          ExternalInterface.call("exportQueryXLS", text);
  }

   private function doDraw(source:Sprite,target:Sprite):void
            {
                var radius:Number = 10;

                var sourceCenter:Point = new Point(source.x + source.width,source.y + source.height/2);
                var targetCenter:Point = new Point(target.x ,target.y + target.height/2);

                var sin:Number = (sourceCenter.y - targetCenter.y)/(Math.sqrt(Math.pow(sourceCenter.x - targetCenter.x,2)+Math.pow(sourceCenter.y - targetCenter.y,2)));

                var radian:Number = Math.asin(sin);
                var degree:Number = radian*180/Math.PI;

                if(source.x < target.x)
                {
                    if(degree == 0 )
                    {
                        degree = 180;
                    }
                    if(degree > 0)
                    {
                        degree = 180 - degree;
                    }
                    if(degree < 0)
                    {
                        degree = 180 + degree * -1;
                    }
                }

                degree += 90;
                radian = degree*Math.PI / 180;

//                var offsetX:Number = radius * Math.cos(radian);
//                var offsetY:Number = radius * Math.sin(radian);
                var offsetX:Number = 0;
                var offsetY:Number = 0;

                var sourcePointA:Point = new Point(sourceCenter.x + offsetX, sourceCenter.y + offsetY);
                var sourcePointB:Point = new Point(sourceCenter.x - offsetX, sourceCenter.y - offsetY);

                var targetPointA:Point = new Point(targetCenter.x + offsetX, targetCenter.y + offsetY);
                var targetPointB:Point = new Point(targetCenter.x - offsetX, targetCenter.y - offsetY);

               // paper.graphics.clear();
                paper.graphics.lineStyle(1,0x333300,100);
                paper.graphics.moveTo(sourcePointA.x,sourcePointA.y);
                paper.graphics.lineTo(targetPointA.x,targetPointA.y);
//                paper.graphics.moveTo(sourcePointB.x,sourcePointB.y);
//                paper.graphics.lineTo(targetPointB.x,targetPointB.y);
            }

]]>
</mx:Script>

</mx:Application>