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请帮助我，我真的很喜欢这个。错误＃1009：无法访问空对象引用的属性或方法。 [太令人沮丧]
我只是无法找到问题所在。在框架1中一切正常，但当我点击下一个按钮时，出现错误。我已经检查过我使用的所有按钮的实例名称，并且所有的实例都被实例化了。我只是不知道我应该改变什么。暂停音乐2按钮已经存在。我也想知道为什么nextFrame（）;在frame1的第54行不起作用。
的错误
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at RECOVER_AGUILAREXERCISE_fla::MainTimeline/frame2()[RECOVER_AGUILAREXERCISE_fla.MainTimeline::frame2:21]
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::Sprite/constructChildren()
at flash.display::Sprite()
at flash.display::MovieClip()
at flash.display::MovieClip/nextFrame()
at RECOVER_AGUILAREXERCISE_fla::MainTimeline/nextSoundTrack01()[RECOVER_AGUILAREXERCISE_fla.MainTimeline::frame1:54]
代码框架2
stop();
album01.gotoAndPlay(49);
title2.play();
import flash.media.SoundMixer;
import flash.media.Sound;
var sound02:Sound = new SITNight();
var soundChannel02:SoundChannel = new SoundChannel
var soundLastPosition02: Number = 0;
soundChannel02 = sound02.play(0);
pauseMusic2.pauseBTN.addEventListener (MouseEvent.CLICK, pauseSoundTrack02);
function pauseSoundTrack02 (e:MouseEvent): void {
pauseMusic2.visible = false;
soundLastPosition02 = soundChannel02.position;
soundChannel02.stop();
}
playMusic2.playBTN.addEventListener (MouseEvent.CLICK, playSoundTrack02);
function playSoundTrack02 (e:MouseEvent): void {
pauseMusic2.visible = true;
soundChannel02 = sound02.play(soundLastPosition02);
}
stopMusic2.stopBTN.addEventListener (MouseEvent.CLICK, stopSoundTrack02);
function stopSoundTrack02 (e:MouseEvent): void {
pauseMusic2.visible = false;
soundChannel02.stop();
soundLastPosition02 = 0;
}
nextMusic2.nextBTN.addEventListener (MouseEvent.CLICK, nextSoundTrack02)
function nextSoundTrack02 (e:MouseEvent): void {
pauseMusic2.visible = true;
soundChannel02.stop();
soundLastPosition02 = 0;
nextFrame();
}
prevMusic2.prevBTN.addEventListener (MouseEvent.CLICK, prevSoundTrack02)
function prevSoundTrack02 (e:MouseEvent): void {
pauseMusic2.visible = true;
soundChannel02.stop();
soundLastPosition02 = 0;
gotoAndStop(1);
}