问XML /动画-可视化图形-来自AS3或Excell的数据

EN

drawZigzag(X);

function drawZigzag(source:XML):void
{
    // Get a list of points.
    var aList:XMLList = source.child("point");

    // Get the starting point.
    var aNode:XML = aList[0];
    var anX:Number = aNode.@x;
    var anY:Number = aNode.@y;

    // Start drawing.
    graphics.lineStyle(0, 0x000000);
    graphics.moveTo(anX, anY);

    for (var i:int = 1; i < aList.length(); i++)
    {
        // Get the next coordinates.
        aNode = aList[i];
        anX = aNode.@x;
        anY = aNode.@y;

        // Draw the line.
        graphics.lineTo(anX, anY);
    }
}

// I hope the following is self-explanatory.
var xmlRequest:URLRequest = new URLRequest("your.xml");
var dataLoader:URLLoader = new URLLoader;

// Loading is asynchronous so you need to listen for a relevant event.
dataLoader.addEventListener(Event.COMPLETE, onFile);
dataLoader.load(xmlRequest);

function onFile(e:Event):void
{
    // Of course, your file MUST be a valid XML.
    var X:XML = new XML(dataLoader.data);

    // The data are ready, you can call the drawing routine now.
    drawZigzag(X);
}