uni-app中实现音乐播放器
1、主要利用的是uni-app中提供的uni.createInnerAudioContext()来进行实现;
2、代码示例
(1)主页面代码展示
<template>
<view class="songDetailContainer">
<view class="bg" :style="{ backgroundImage: `url(${song.imageUrl})` }"></view>
<view class="content">
<view class="title">{{ song.title }}</view>
<view class="discContainer discAnimation" v-show="current == 0">
<view class="disc"></view>
<view class="circle">
<image class="musicImg" :src="song.imageUrl"></image>
</view>
</view>
<scroll-view
class="h-full"
:scroll-y="true"
:refresher-enabled="false"
:scroll-anchoring="true"
v-show="current == 1"
>
<view class="prompt" v-html="song.lyric" style="white-space: pre-line"> </view>
</scroll-view>
<u-tabs
class="u-tabs-con"
:list="list1"
@change="handleChange"
:current="current"
:scrollable="true"
active-color="#fff"
inactive-color="#ccc4c2"
:gutter="20"
:bar-width="20"
></u-tabs>
<view class="share">
<u-icon name="share" color="#fff" size="40" @click="shareClick"></u-icon>
<text> 分享 </text>
</view>
<!-- 进度条控制区域 -->
<view class="progressControl">
<text>{{ currentTimeText }}</text>
<slider
style="width: 560rpx"
@change="handleSliderChange"
:value="sliderIndex"
:max="maxSliderIndex"
activeColor="#ea588e"
backgroundColor="#b9c2c5"
block-color="#fff"
block-size="12"
/>
<text>{{ totalTimeText }}</text>
</view>
<!-- 底部控制播放区域 -->
<view class="musicControl">
<u-icon name="star" color="#fff" size="60" @click="starClick"></u-icon>
<u-icon
name="rewind-left-fill"
@click="handlePrev"
color="#fff"
size="60"
id="pre"
></u-icon>
<u-icon
name="pause-circle-fill"
@click="onPauseAudio"
v-if="isPlay"
color="#fff"
size="80"
></u-icon>
<u-icon
name="play-circle-fill"
@click="onPlayAudio"
v-else
color="#fff"
size="80"
></u-icon>
<u-icon
name="rewind-right-fill"
@click="handleNext"
color="#fff"
size="60"
id="next"
></u-icon>
<u-icon name="grid" @click="show = true" color="#fff" size="60"></u-icon>
</view>
</view>
</view>
<u-action-sheet
class="action-sheet"
:list="data.list"
v-model="show"
@click="sheetClick"
cancel-text="关闭"
></u-action-sheet>
<!-- #ifdef H5 -->
</template>
<script lang="ts" setup>
import { ref, reactive, onUnmounted } from 'vue'
import moment from 'moment'
import { onLoad } from '@dcloudio/uni-app'
import { download } from '@/utils/download'
import { drawingRecord } from '@/api/music'
let id = ref(0) // 歌曲详情对象
const song = ref({}) // 歌曲详情对象
const isPlay = ref(false) // 音乐是否播放
const currentTime2 = ref(0) // 实时时间
const audioList = ref([]) // 音乐列表
let index = 0
const show = ref(false)
const innerAudioContext = uni.createInnerAudioContext()
const startId = ref(0)
const endId = ref(0)
const sliderIndex = ref(0) //滑块当前值
const maxSliderIndex = ref(100) //滑块最大值
const currentTimeText = ref('00:00') //视频已播放长度文字
const totalTimeText = ref('00:00') //视频总长度文字
onLoad((options: any) => {
id.value = options.id
startId.value = options.startId
endId.value = options.endId
getAudioList()
})
const getAudioList = async () => {
const { lists } = await drawingRecord({
status: 3,
startId: startId.value,
endId: endId.value,
pageNo: 1,
pageSize: 100
})
audioList.value = lists
for (let i = 0; i < audioList.value.length; i++) {
if (audioList.value[i].id == id.value) {
index = i
console.info('index', i)
}
}
song.value = audioList.value[index]
innerAudioContext.autoplay = true
innerAudioContext.src = song.value.audioUrl
innerAudioContext.play()
isPlay.value = true
}
innerAudioContext.onEnded(() => {
isPlay.value = false
currentTimeText.value = '00:00'
sliderIndex.value = 0
handleNext()
})
innerAudioContext.onTimeUpdate(() => {
currentTimeText.value = moment(innerAudioContext.currentTime * 1000).format('mm:ss')
sliderIndex.value = innerAudioContext.currentTime
})
innerAudioContext.onCanplay(function () {
totalTimeText.value = moment(innerAudioContext.duration * 1000).format('mm:ss')
maxSliderIndex.value = innerAudioContext.duration
})
innerAudioContext.onPause(() => {
currentTime2.value = innerAudioContext.currentTime
})
innerAudioContext.onPlay(() => {
innerAudioContext.seek(currentTime2.value)
console.log(currentTime2.value, 'currentTime2.value')
})
const onPauseAudio = () => {
innerAudioContext.pause()
isPlay.value = false
}
const onPlayAudio = () => {
innerAudioContext.src = song.value.audioUrl
innerAudioContext.play()
isPlay.value = true
}
const handlePrev = () => {
innerAudioContext.stop()
sliderIndex.value = 0
currentTimeText.value = '00:00'
currentTime2.value = 0
if (index == 0) {
index = audioList.value.length
}
innerAudioContext.src = audioList.value[index - 1].audioUrl
song.value.title = audioList.value[index - 1].title
song.value.imageUrl = audioList.value[index - 1].imageUrl
song.value.duration = audioList.value[index - 1].duration
song.value.lyric = audioList.value[index - 1].lyric
innerAudioContext.play()
isPlay.value = true
index -= 1
console.log(index, 'index')
}
const handleNext = () => {
innerAudioContext.stop()
sliderIndex.value = 0
currentTimeText.value = '00:00'
currentTime2.value = 0
console.log(sliderIndex.value, currentTimeText.value, '下一首')
if (index == audioList.value.length - 1) {
index = -1
}
innerAudioContext.src = audioList.value[index + 1].audioUrl
song.value.title = audioList.value[index + 1].title
song.value.imageUrl = audioList.value[index + 1].imageUrl
song.value.duration = audioList.value[index + 1].duration
song.value.lyric = audioList.value[index + 1].lyric
innerAudioContext.play()
isPlay.value = true
index += 1
console.log(index, 'index')
}
// 文件下载
const onFileDownload = async (drawing: any) => {
uni.setClipboardData({
data: drawing,
success: function () {
uni.showToast({ title: '复制成功,请打开浏览器下载', duration: 2000 })
}
})
}
const data = reactive({
list: [
{
text: '下载音频',
fontSize: 28
},
{
text: '下载视频',
fontSize: 28
}
]
})
const sheetClick = (index: number) => {
if (index == 0) {
onFileDownload(song.value.audioUrl)
} else if (index == 1) {
onFileDownload(song.value.videoUrl)
}
}
//变更滑块位置
const handleSliderChange = (e) => {
changePlayProgress(e.detail ? e.detail.value : e)
}
//更改播放进度
const changePlayProgress = (value: any) => {
sliderIndex.value = value
innerAudioContext.seek(value)
currentTimeText.value = moment(value * 1000).format('mm:ss')
}
// tabs部分
const current = ref(0)
const list1 = ref([
{ customMode: 0, name: '歌曲' },
{ customMode: 1, name: '歌词' }
])
const handleChange = (index: number) => {
current.value = index
}
const starClick = () => {
uni.showToast({ title: '敬请期待' })
}
const shareClick = () => {
uni.showToast({ title: '敬请期待' })
}
onUnmounted(() => {
innerAudioContext.destroy()
})
</script>
<style lang="scss" scoped>
.songDetailContainer {
height: 100vh;
width: 100%;
position: relative;
.bg {
width: 100%;
height: 100vh;
position: absolute;
z-index: 0;
background-size: cover;
background-repeat: no-repeat;
filter: blur(60px);
}
.content {
display: flex;
justify-content: space-around;
flex-direction: column;
align-items: center;
.title {
color: #fff;
position: absolute;
top: 30rpx;
}
.prompt {
color: #fff;
position: absolute;
top: 80rpx;
left: 40rpx;
right: 40rpx;
font-size: 38rpx;
line-height: 68rpx;
}
.h-full {
position: absolute;
top: 120rpx;
left: 40rpx;
right: 40rpx;
height: 800rpx;
width: calc(100% - 80rpx);
}
.u-tabs-con {
position: absolute;
bottom: 300rpx;
color: #fff;
}
}
}
.content ::v-deep .u-tabs {
background: none !important;
}
.share {
position: absolute;
bottom: 320rpx;
right: 50rpx;
color: #fff;
display: flex;
align-items: center;
text {
margin-left: 10rpx;
font-size: 24rpx;
}
}
/* 磁盘 */
.discContainer {
position: relative;
top: 200rpx;
// width: 598rpx;
// height: 598rpx;
width: 490rpx;
height: 490rpx;
border: 1rpx solid #e6e6e6;
border-radius: 50%;
}
.discAnimation {
animation: disc 8s linear infinite;
animation-delay: 1s;
}
/*
@keyframes: 设置动画帧
1) from to
- 使用于简单的动画,只有起始帧和结束帧
- 北京 - 上海 直达
2) 百分比
- 多用于复杂的动画,动画不止两帧
- 北京 - 上海 ---> 北京 -- 天津 --- 深圳 --- 上海
- 0% - 100%, 可以任意拆分
*/
@keyframes disc {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
.disc {
width: 100%;
height: 100%;
}
.songDetailContainer .discContainer .musicImg {
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
width: 370rpx;
height: 370rpx;
border: 1rpx solid transparent;
border-radius: 50%;
}
.circle {
position: absolute;
left: 30rpx;
top: 30rpx;
width: 430rpx;
height: 430rpx;
border: 1rpx solid #e6e6e6;
border-radius: 50%;
}
/* 底部控制播放区域 */
.musicControl {
position: absolute;
bottom: 80rpx;
left: 60rpx;
width: calc(100% - 120rpx);
display: flex;
justify-content: space-between;
}
.musicControl text {
width: 20%;
height: 120rpx;
line-height: 120rpx;
text-align: center;
color: #fff;
font-size: 50rpx;
}
.musicControl text.big {
font-size: 80rpx;
}
/* 进度条控制区域 */
.progressControl {
position: absolute;
bottom: 200rpx;
width: 640rpx;
height: 80rpx;
line-height: 80rpx;
display: flex;
color: #fff;
}
.action-sheet ::v-deep .u-action-sheet-item {
align-items: baseline;
padding-left: 30rpx;
}
</style>