flash手写输入高级技巧

    stage.addEventListener(MouseEvent.MOUSE_UP,onStageMouseUP);
}
function onStageMouseUP(event:MouseEvent):void {
    writeHotArea.removeEventListener(MouseEvent.MOUSE_MOVE,onStageMouseMove);
    stage.removeEventListener(MouseEvent.MOUSE_UP,onStageMouseUP);
    var sendStr:String = "";
    for (var j:uint = 0; j<pointTotalArr.length; j++) {
        if (j!=0) {
            sendStr+="a";
        }
        for (var i:uint = 0; i<pointTotalArr[j].length; i+=3) {
            sendStr+=pointTotalArr[j][i].x +"a"+pointTotalArr[j][i].y;
            if(i<(pointTotalArr[j].length-3))sendStr+="a"
        }
    }
    var urlLoader:URLLoader    = new URLLoader();
    urlLoader.dataFormat       = URLLoaderDataFormat.TEXT;
    var request:URLRequest     = new URLRequest("http://hw.baidu.com/");
    request.method             = "post";
    var urlLV    :URLVariables = new URLVariables();
    urlLV.wd                   = sendStr;
    urlLV.type                 = 1;
    request.data = urlLV;
    urlLoader.load(request);
    urlLoader.addEventListener(Event.COMPLETE,onLoaded);
}
function onStageMouseMove(event:MouseEvent):void {
    lineSp.graphics.lineTo(mouseX,mouseY);
    pointArr.push(new Point(mouseX,mouseY));
    event.updateAfterEvent();
}
reWriteBtn.addEventListener(MouseEvent.CLICK,onClick);
function onClick(event:MouseEvent):void{
    pointTotalArr = [];
    txt.text         ="";
    while(sp.numChildren>0) sp.removeChildAt(0);
}