background-audio

秒速五厘米 2021-12-14 05:29 245阅读 0赞

<template>
    	<view>
    		<page-head :title="title"></page-head>
    		<view class="uni-padding-wrap">
    			<view class="uni-center">
    				<text class="time-big">{
       {formatedPlayTime}}</text>
    			</view>
    			<view class="uni-common-mt">
    				<slider class="slider" min="0" max="21" step="1" :value="playTime" @change="seek"></slider>
    			</view>
    			<view class="play-time">
    				<text>00:00</text>
    				<text>00:21</text>
    			</view>
    			<view class="uni-hello-text">注意：离开当前页面后背景音乐将保持播放，但退出uni-app将停止</view>
    			<view class="page-body-buttons">
    				<block v-if="playing">
    					<view class="page-body-button" @tap="stop">
    						<image src="../../../static/stop.png"></image>
    					</view>
    					<view class="page-body-button" @tap="pause">
    						<image src="../../../static/pause.png"></image>
    					</view>
    				</block>
    				<block v-if="!playing">
    					<view class="page-body-button"></view>
    					<view class="page-body-button" @tap="play">
    						<image src="../../../static/play.png"></image>
    					</view>
    				</block>
    				<view class="page-body-button"></view>
    			</view>
    		</view>
    	</view>
    </template>
    <script>
    
    	var util = require('../../../common/util.js');
    
    	export default {
    		data() {
    			return {
    				title: 'backgroundAudio',
    				bgAudioMannager: null,
    				dataUrl: 'https://img-cdn-qiniu.dcloud.net.cn/uniapp/audio/music.mp3',
    				playing: false,
    				playTime: 0,
    				formatedPlayTime: '00:00:00'
    			}
    		},
    		onLoad: function () {
    			this.playing = this.$backgroundAudioData.playing;
    			this.playTime = this.$backgroundAudioData.playTime;
    			this.formatedPlayTime = this.$backgroundAudioData.formatedPlayTime;
    			
    			let bgAudioMannager = uni.getBackgroundAudioManager();
    			if(!bgAudioMannager.title){
    				bgAudioMannager.title = '致爱丽丝';
    			}
    			if(!bgAudioMannager.singer) {
    				bgAudioMannager.singer = '暂无';
    			}
    			if(!bgAudioMannager.coverImgUrl){
    				bgAudioMannager.coverImgUrl = 'https://img-cdn-qiniu.dcloud.net.cn/uniapp/audio/music.jpg';
    			}
    
    			bgAudioMannager.onPlay(() => {
    				console.log("开始播放");
    				this.$backgroundAudioData.playing = this.playing = true;
    			})
    			bgAudioMannager.onPause(() => {
    				console.log("暂停播放");
    				this.$backgroundAudioData.playing = this.playing = false;
    			})
    			bgAudioMannager.onEnded(() => {
    				this.playing = false;
    				this.$backgroundAudioData.playing = false;
    				this.$backgroundAudioData.playTime = this.playTime = 0;
    				this.$backgroundAudioData.formatedPlayTime = this.formatedPlayTime = util.formatTime(0);
    			})
    
    			bgAudioMannager.onTimeUpdate((e) => {
    				if (Math.floor(bgAudioMannager.currentTime) > Math.floor(this.playTime)) {
    					this.$backgroundAudioData.formatedPlayTime = this.formatedPlayTime = util.formatTime(Math.floor(bgAudioMannager.currentTime));
    				}
    				this.$backgroundAudioData.playTime = this.playTime = bgAudioMannager.currentTime;
    			})
    
    			this.bgAudioMannager = bgAudioMannager;
    		},
    		methods: {
    			play: function (res) {
    				if (!this.bgAudioMannager.src) {
    					this.bgAudioMannager.startTime = this.playTime;
    					this.bgAudioMannager.src = this.dataUrl;
    				} else {
    					this.bgAudioMannager.seek(this.playTime);
    					this.bgAudioMannager.play();
    				}
    			},
    			seek: function (e) {
    				this.bgAudioMannager.seek(e.target.value);
    			},
    			pause: function () {
    				this.bgAudioMannager.pause();
    			},
    			stop: function () {
    				this.bgAudioMannager.stop();
    				this.$backgroundAudioData.playing = this.playing = false;
    				this.$backgroundAudioData.playTime = this.playTime = 0;
    				this.$backgroundAudioData.formatedPlayTime = this.formatedPlayTime = util.formatTime(0);
    			}
    		}
    	}
    </script>
    
    <style>
    	image {
    		width: 150upx;
    		height: 150upx;
    	}
    
    	.page-body-text {
    		padding: 0 30upx;
    	}
    
    	.page-body-wrapper {
    		margin-top: 0;
    	}
    
    	.page-body-info {
    		padding-bottom: 50upx;
    	}
    
    	.time-big {
    		font-size: 60upx;
    		margin: 20upx;
    	}
    
    	.slider {
    		width:630upx;
    	}
    
    	.play-time {
    		font-size: 28upx;
    		width:100%;
    		padding: 20upx 0;
    		display: flex;
    		justify-content: space-between;
    		box-sizing: border-box;
    	}
    
    	.page-body-buttons {
    		display: flex;
    		justify-content: space-around;
    		margin-top: 100upx;
    	}
    
    	.page-body-button {
    		width: 250upx;
    		text-align: center;
    	}
    </style>

background-audio

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