视频进度条实现代码示例

import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.geom.Rectangle;
import flash.events.Event;
import flash.display.MovieClip;
import fl.transitions.*;
import fl.transitions.easing.*;

mainpo = maincon.position;
maincon.stop();
mask4.visible = false;mask5.visible = false;
var flagx:int = 1;
var total:int = 0;
var tds:Sprite = new Sprite();
var swfRoot:MovieClip=new MovieClip();
var url:URLRequest=new URLRequest("SWF/Com/"+lu+"/study.swf");
var loader:Loader=new Loader();
loader.load(url);
loader.contentLoaderInfo.addEventListener(Event.COMPLETE,comp_fc);
loader.x = 97;
loader.y = 32;
addChildAt(loader,0);
tds.addChild(td);
addChild(tds);
tiao.mask = mask1;
function yd(e:Event):void{
if(swfRoot.currentFrame <= total){
tds.x = (swfRoot.currentFrame/total)*600;
mask1.width = tds.x;}
if(lu == "U1/C4"){

if(swfRoot.currentFrame == 1485)cal1();
if(swfRoot.currentFrame == 1486)cal2();
if(swfRoot.currentFrame == 1903)cal1();
if(swfRoot.currentFrame == 1904)cal2();
}
if(swfRoot.currentFrame == total-1){
btn_stop.removeEventListener(MouseEvent.CLICK,swf_stop);
 td.removeEventListener(MouseEvent.MOUSE_DOWN,td1);
         jindu.removeEventListener(MouseEvent.CLICK,jindu1);
         tiao.removeEventListener(MouseEvent.CLICK,jindu1);
swfRoot.gotoAndStop(1);
if(flagx == 1){
TransitionManager.start(mask5, {type:Fade , direction:Transition.IN, duration:1 , easing:Strong.easeOut});
    mask5.replay.addEventListener(MouseEvent.CLICK,com_replay);
}
if(flagx == 3){
TransitionManager.start(mask4, {type:Fade , direction:Transition.IN, duration:1 , easing:Strong.easeOut});
    mask4.replay.addEventListener(MouseEvent.CLICK,com_replay);
}
}
}
function cal1():void{
     btn_stop.removeEventListener(MouseEvent.CLICK,swf_stop);
 td.removeEventListener(MouseEvent.MOUSE_DOWN,td1);
         jindu.removeEventListener(MouseEvent.CLICK,jindu1);
         tiao.removeEventListener(MouseEvent.CLICK,jindu1);
}
function cal2():void{
btn_stop.addEventListener(MouseEvent.CLICK,swf_stop);
 td.addEventListener(MouseEvent.MOUSE_DOWN,td1);