微信小程序 音频audio

    <audio  src="{{resources[currentAudioIndex].resource}}" id="myAudio" bindtimeupdate="playing"  bindplay="funplay"  action="{{action}}" bindended="audio_end"></audio>

Component({
/**
* 组件的属性列表
*/
properties: {
resources: {
type:Array,
value:[]
},
plan: {
type:String,
value:‘loop‘
}
},
data: {
isPlay:false,
currentAudioIndex: 0
},
lifetimes: {
attached: function() {
this.audioCtx = wx.createAudioContext(‘myAudio‘)
bus.on("user_change_time",data=> {
//接收收了用户的改变,执行暂停操作
this.audioPause();
});
bus.on("change_time",time=> {
//拖动放下了
this.setAudioTime(time);
this.audioPlay();
});
},
detached: function() {
// 在组件实例被从页面节点树移除时执行
    },
},
methods: {
audio_end() {
//播放结束源事件，播放下一首
this.nextAudio();
},
playing(e) {
//从外发出正在播放的信息this.triggerEvent("play_ing",e);
},
//播放音频，与暂停相应
    audioPlay() {
this.setData({
action: {
method: ‘play‘
}
});
this.setData({
isPlay:true
})
//向外发送音频已开始播放
bus.emit("audio_play");
//向外发送音频已开始播放,组件
this.triggerEvent("play",{
current_play_index:this.data.currentAudioIndex,
resources:this.data.resources
});
},
//暂停，与播放相应
    audioPause() {this.setData({
action: {
method: ‘pause‘
}
});
this.setData({
isPlay:false
})
//向外发送音频已暂停this.triggerEvent("pause");
},
//下一首
    nextAudio() {
this.audioPause()
//组件播放结束，触发的源事件,由组件外传入next的策略
if(this.data.currentAudioIndex < this.data.resources.length-1) {
var length = this.data.resources;
var plan_val = 0;
//根据策略，生成下一首的歌曲索引
if(this.data.plan == ‘loop‘) {
plan_val = ++this.data.currentAudioIndex;
}else if(this.plan == ‘random‘){
play_val = Math.floor((Math.random()*length));
}
//播放生成的索引
this.setData({
currentAudioIndex: plan_val
})
}else {
this.setData({
currentAudioIndex: 0
})
}
var gthis = this;
setTimeout(function() {
gthis.audioPlay();
},100);
},
//设置播放时间
    setAudioTime(time) {
this.setData({
   action: {
    method: ‘setCurrentTime‘,
    data: time
   }
});
},
}
})

songdata: [
{
id:0,
name:‘千百度‘,
img:‘https://zjazn.test.utools.club/images/2.jpg‘,
resource:‘https://zjazn.test.utools.club/许篙 - 千百度.mp3‘,
author:‘许蒿‘,
},
{
id:1,
name:‘胡萝卜须‘,
img:‘https://zjazn.test.utools.club/images/1.jpg‘,
resource:‘https://zjazn.test.utools.club/许嵩 - 胡萝卜须.mp3‘,
author:‘许蒿‘,
},
{
id:2,
name:‘清明雨上‘,
img:‘https://zjazn.test.utools.club/images/3.jpg‘,
resource:‘https://zjazn.test.utools.club/许嵩 - 清明雨上.mp3‘,
author:‘许蒿‘,
}
]

<playUtil resources="{{ --传入资源，格式如上-- }}" plan="loop" bindplay_next="--下一首播放时要触发的函数--" bindplay_ing="--播放的信息要调用那个函数接收--" bindplay="--开始继续播放时要触发的函数--" bindpause="

--暂停时时要触发的函数--

" ></playUtil>