package {
import flash.display.SimpleButton;
import flash.display.MovieClip;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundTransform;
import flash.display.Stage;
import flash.net.URLRequest;
import flash.geom.Rectangle;
import flash.display.DisplayObject;
public class DocumentClass extends MovieClip{
var mp3Url:String="http://localhost/UserVideo/2007108/aaa.mp3";
var _sound:Sound;
var _channel:SoundChannel;
var _SoundTransform:SoundTransform;
var _position:int;
var _frameMCSpend:int;
var mask_play:MovieClip;
public function DocumentClass() {
BtnPlay.visible=false;
// 创建一个声音对象，并播放之
_sound = new Sound();
_sound.load(new URLRequest(mp3Url));
_SoundTransform=new SoundTransform(0.5,0);
_channel = _sound.play(0,1,_SoundTransform);
_channel.addEventListener(Event.SOUND_COMPLETE,onSoundEnd);
mask_play=MovieClip(playBar.getChildByName("mask_play"));
mask_play.addEventListener(Event.ENTER_FRAME,onBarEnterFrame);
BtnPlay.addEventListener(MouseEvent.MOUSE_UP,onPlay);
BtnSuspend.addEventListener(MouseEvent.MOUSE_UP, onPause);
BtnStop.addEventListener(MouseEvent.MOUSE_UP, onStop);
BtnBlock.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownListener);
BtnBlock.addEventListener(MouseEvent.MOUSE_UP, mouseUpListener);
BtnBlock.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveListener);
vol.addEventListener(MouseEvent.MOUSE_OUT,mouseOutListener);
}
function onSoundEnd(event:Event):void {
BtnPlay.visible=true;
BtnSuspend.visible=false;
_position=0;
}
private function onBarEnterFrame(event:Event):void {
if (_sound.length>0) {
trace(_sound.bytesTotal);
trace(_sound.bytesLoaded);
trace(_sound.length);
var lengthTotal:int=_sound.bytesTotal/_sound.bytesLoaded*_sound.length;
playBar.stage.frameRate=1000*mask_play.totalFrames/lengthTotal;
mask_play.removeEventListener(Event.ENTER_FRAME,onBarEnterFrame);
}
}
function mouseMoveListener(event:MouseEvent):void {
var newSoundTransform:SoundTransform=new SoundTransform((event.stageX-203.3)/80,0);
_channel.soundTransform=newSoundTransform;
}
function mouseDownListener(event:MouseEvent):void {
var rectang:Rectangle=new Rectangle();
rectang.x=203.3;
rectang.y=63.8;
rectang.height=0;
rectang.width=80;
BtnBlock.startDrag(false,rectang);
}
function mouseUpListener(event:MouseEvent):void {
BtnBlock.stopDrag();
}
function mouseOutListener(event:MouseEvent):void{
BtnBlock.stopDrag();
}
function onPlay(event:MouseEvent):void {
mask_play.gotoAndPlay(mask_play.currentFrame);
_channel = _sound.play(_position);
BtnSuspend.visible=true;
BtnPlay.visible=false;
}
function onPause(event:MouseEvent):void {
mask_play.gotoAndStop(mask_play.currentFrame);
BtnSuspend.visible=false;
BtnPlay.visible=true;
_position = _channel.position;
_channel.stop();
}
function onStop(event:MouseEvent):void {
mask_play.gotoAndStop(null);
BtnSuspend.visible=false;
BtnPlay.visible=true;
_position=0;
_channel.stop();
}
}
}
本人初学，水平有限～～～若有误，或需要解释的地方请留言
