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| // pages/music/music.js
var util = require('./util.js'); //引用外部的js文件
const my_audio = wx.createInnerAudioContext();
var second = 0; //时间参考
var currentMusicId = 0;
Page({
/**
* 页面的初始数据
*/
data: {
isPlay: false,
poster: '../image/another/music_bg_11.png',
name: '日光倾城',
author: '卡奇社',
src: 'http://image.onepeace.top/my_music_%E6%97%A5%E5%85%89%E5%80%BE%E5%9F%8E.mp3',
currentTime: '00:00', //当前播放时间（00：03）
duration: '00:00', //音乐时长（05：25）
slider_max: 100, //音乐进度条时长（秒）
slider_value: 0, //音乐进度条进度（秒）
voice_value: 10, //音量控制（0-10）
music_list: util.music_list,
isSilence: false, //是否静音
singleCycle: false, //是否单曲循环
spread:true
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function(options) {
var that = this;
my_audio.onPlay(() => {
console.log('开始播放');
this.setData({
"isPlay": true
});
var dura = this.secondToTime(my_audio.duration);
setTimeout(function() {
that.setData({
"duration": dura,
"slider_max": parseInt(my_audio.duration)
});
}, 1000);
});
my_audio.onError((res) => {
console.log(res.errMsg)
console.log(res.errCode)
});
my_audio.onPause(() => {
console.log('暂停播放');
this.setData({
"isPlay": false
});
});
my_audio.onStop((res) => {
console.log('音频停止');
this.setData({
"isPlay": false,
"slider_max": 100
});
});
my_audio.onEnded((res) => {
console.log('自然播放至结束位置');
var dura = this.secondToTime(my_audio.duration);
console.log("时长：" + dura);
this.setData({
"currentTime": dura,
"slider_max": 100
});
this.switchMusic();
});
my_audio.onCanplay((res) => {
console.log("监听音频进入可以播放状态的事件");
});
my_audio.onTimeUpdate((res) => {
var time = my_audio.currentTime;
//刷新音频时长
if (this.data.slider_max < 150) {
var dura = this.secondToTime(my_audio.duration);
// console.log("时长：" + dura);
this.setData({
"duration": dura,
"slider_max": parseInt(my_audio.duration)
});
}
if (time - second >= 1) {
// console.log(second);
second = parseInt(time);
// console.log("当前时长：" + second);
var cuTime = this.secondToTime(second);
this.setData({
"currentTime": cuTime,
"slider_value": second
});
}
});
},
/**
* 生命周期函数--监听页面初次渲染完成
*/
onReady: function() {
my_audio.autoplay = false;
my_audio.src = this.data.src;
// my_audio.loop = true;//循环播放
my_audio.play();
my_audio.pause();
},
/**
* 生命周期函数--监听页面显示
*/
onShow: function() {
},
/**
* 生命周期函数--监听页面隐藏
*/
onHide: function() {
},
/**
* 生命周期函数--监听页面卸载
*/
onUnload: function() {
},
/**
* 页面相关事件处理函数--监听用户下拉动作
*/
onPullDownRefresh: function() {
},
/**
* 页面上拉触底事件的处理函数
*/
onReachBottom: function() {
},
/**
* 用户点击右上角分享
*/
onShareAppMessage: function() {
},
/**切换歌曲 */
select_music: function(e) {
second = 0;
// my_audio.stop();
// my_audio.offTimeUpdate();
var name = e.currentTarget.dataset['name'];
var author = e.currentTarget.dataset['author'];
var src = e.currentTarget.dataset['src'];
var cover = e.currentTarget.dataset['cover'];
var index = e.currentTarget.dataset['index'];
currentMusicId = index;
console.log(name);
this.setData({
"poster": cover,
"name": name,
"author": author,
"src": src,
"slider_max": 100
});
my_audio.src = this.data.src;
my_audio.play();
},
playMusic: function() {
my_audio.play();
},
pauseMusic: function() {
my_audio.pause();
},
/**秒==> '00:00' */
secondToTime: function(result) {
var m = Math.floor((result / 60 % 60)) < 10 ? '0' + Math.floor((result / 60 % 60)) : Math.floor((result / 60 % 60));
var s = Math.floor((result % 60)) < 10 ? '0' + Math.floor((result % 60)) : Math.floor((result % 60));
return result = m + ":" + s;
},
/**进度条拖动 */
slider_change: function(result) {
var step = result.detail.value;
second = step;
// var dura = this.secondToTime(my_audio.duration);
// console.log("时长：" + dura);
// this.setData({
// "slider_max": parseInt(my_audio.duration),
// "duration": dura
// });
my_audio.pause();
my_audio.seek(step);
setTimeout(function() {
my_audio.play();
}, 1000);
},
/**调整音量 */
voice_change: function(result) {
var step = result.detail.value;
// console.log("拖动：" + step);
var curVoice = parseFloat(step / 10);
// console.log(curVoice);
my_audio.volume = curVoice;
if (step > 0) {
this.setData({
"isSilence": false,
})
} else if (step == 0) {
this.setData({
"isSilence": true,
})
}
},
/**设置静音 */
setVoiceSilence: function() {
my_audio.volume = 0;
this.setData({
"isSilence": true,
"voice_value": 0
})
},
setVoiceMax: function() {
my_audio.volume = 1;
this.setData({
"isSilence": false,
"voice_value": 10
})
},
/**自动播放下一首 */
switchMusic: function() {
var musicSize = util.music_list.length;
console.log("数量:" + musicSize);
second = 0;
if (this.data.singleCycle) {
var itemMusic = util.music_list[currentMusicId];
console.log(itemMusic.name);
this.setData({
"poster": itemMusic.cover,
"name": itemMusic.name,
"author": itemMusic.author,
"src": itemMusic.src,
"slider_value": 0
});
my_audio.src = this.data.src;
my_audio.play();
} else {
if (currentMusicId >= (musicSize - 1)) {
//列表最后一首,播放第一首
var itemMusic = util.music_list[0];
console.log(itemMusic.name);
currentMusicId = 0;
this.setData({
"poster": itemMusic.cover,
"name": itemMusic.name,
"author": itemMusic.author,
"src": itemMusic.src,
"slider_value": 0
});
my_audio.src = this.data.src;
my_audio.play();
} else {
//播放下一首
var itemMusic = util.music_list[currentMusicId + 1];
console.log(itemMusic.name);
currentMusicId++;
this.setData({
"poster": itemMusic.cover,
"name": itemMusic.name,
"author": itemMusic.author,
"src": itemMusic.src,
"slider_value": 0
});
my_audio.src = this.data.src;
my_audio.play();
}
}
},
playWay: function() {
if (this.data.singleCycle == true) {
this.setData({
"singleCycle": false
});
} else {
this.setData({
"singleCycle": true
});
}
}, spreadList:function(){
if (this.data.spread == true) {
this.setData({
"spread": false
});
} else {
this.setData({
"spread": true
});
}
},
})
|
