实现前端播放功能

This commit is contained in:
2026-01-10 22:40:30 +08:00
parent 0e72dc7b6a
commit 9dc90eeb85
4 changed files with 274 additions and 135 deletions

View File

@@ -2,48 +2,48 @@
<div class="player">
<div class="player-info">
<div class="track-info">
<span class="track-title">{{ currentTrack.title || '未播放' }}</span>
<span class="track-artist">{{ currentTrack.artist || '-' }}</span>
<span class="track-title">{{ currentTrack.title }}</span>
<span class="track-artist">{{ currentTrack.artist }}</span>
</div>
</div>
<div class="player-controls">
<button @click="seekBackward" class="control-btn">
<button @click="player.seekBackward" class="control-btn">
<SkipBack />
</button>
<button @click="togglePlay" class="play-btn">
<Play v-if="!isPlaying" />
<button @click="player.togglePlay" class="play-btn">
<Play v-if="!player.isPlaying" />
<Pause v-else />
</button>
<button @click="seekForward" class="control-btn">
<button @click="player.seekForward" class="control-btn">
<SkipForward />
</button>
</div>
<div class="player-progress">
<span class="time">{{ formatTime(currentTime) }}</span>
<span class="time">{{ player.formatTime(currentTime) }}</span>
<input
type="range"
min="0"
max="100"
:value="progress"
@input="seekTo"
@input="onSeek"
class="progress-bar"
/>
<span class="time">{{ formatTime(duration) }}</span>
<span class="time">{{ player.formatTime(duration) }}</span>
</div>
<div class="player-volume">
<button @click="toggleMute" class="volume-btn">
<Volume2 v-if="!isMuted && volume > 0" />
<button @click="player.toggleMute" class="volume-btn">
<Volume2 v-if="!player.isMuted && player.volume > 0" />
<VolumeX v-else />
</button>
<input
type="range"
min="0"
max="100"
:value="isMuted ? 0 : volume"
@input="setVolume"
:value="player.isMuted ? 0 : player.volume"
@input="onVolumeChange"
class="volume-slider"
/>
</div>
@@ -51,129 +51,24 @@
</template>
<script setup>
import { ref, computed, watch } from 'vue'
import { computed } from 'vue'
import { Play, Pause, SkipBack, SkipForward, Volume2, VolumeX } from 'lucide-vue-next'
import { usePlayerStore } from '@/stores/player'
const props = defineProps({
src: {
type: String,
default: '',
},
title: {
type: String,
default: '',
},
artist: {
type: String,
default: '',
},
})
const player = usePlayerStore()
const audio = ref(null)
const isPlaying = ref(false)
const currentTime = ref(0)
const duration = ref(0)
const volume = ref(80)
const isMuted = ref(false)
const currentTrack = computed(() => player.currentTrack)
const currentTime = computed(() => player.currentTime)
const duration = computed(() => player.duration)
const progress = computed(() => player.progress)
const currentTrack = computed(() => ({
title: props.title,
artist: props.artist,
}))
const progress = computed(() => {
if (duration.value === 0) return 0
return (currentTime.value / duration.value) * 100
})
const togglePlay = () => {
if (!audio.value) {
audio.value = new Audio(props.src)
setupAudioListeners()
function onSeek(e) {
player.seekTo(parseFloat(e.target.value))
}
if (isPlaying.value) {
audio.value.pause()
} else {
audio.value.play()
function onVolumeChange(e) {
player.setVolume(parseFloat(e.target.value))
}
isPlaying.value = !isPlaying.value
}
const setupAudioListeners = () => {
if (!audio.value) return
audio.value.addEventListener('timeupdate', () => {
currentTime.value = audio.value.currentTime
})
audio.value.addEventListener('loadedmetadata', () => {
duration.value = audio.value.duration
})
audio.value.addEventListener('ended', () => {
isPlaying.value = false
currentTime.value = 0
})
}
const seekTo = (e) => {
if (!audio.value) return
const time = (e.target.value / 100) * duration.value
audio.value.currentTime = time
}
const seekForward = () => {
if (!audio.value) return
audio.value.currentTime = Math.min(audio.value.currentTime + 10, duration.value)
}
const seekBackward = () => {
if (!audio.value) return
audio.value.currentTime = Math.max(audio.value.currentTime - 10, 0)
}
const setVolume = (e) => {
const newVolume = e.target.value
volume.value = newVolume
if (audio.value) {
audio.value.volume = newVolume / 100
}
if (newVolume > 0 && isMuted.value) {
isMuted.value = false
}
}
const toggleMute = () => {
isMuted.value = !isMuted.value
if (audio.value) {
audio.value.volume = isMuted.value ? 0 : volume.value / 100
}
}
const formatTime = (seconds) => {
if (!seconds || isNaN(seconds)) return '0:00'
const mins = Math.floor(seconds / 60)
const secs = Math.floor(seconds % 60)
return `${mins}:${secs.toString().padStart(2, '0')}`
}
watch(
() => props.src,
(newSrc) => {
if (audio.value) {
audio.value.src = newSrc
currentTime.value = 0
isPlaying.value = false
}
},
)
watch(volume, (newVolume) => {
if (audio.value && !isMuted.value) {
audio.value.volume = newVolume / 100
}
})
</script>
<style scoped>

View File

@@ -5,10 +5,15 @@ import { createPinia } from 'pinia'
import App from './App.vue'
import router from './router'
import { usePlayerStore } from './stores/player'
const app = createApp(App)
app.use(createPinia())
const pinia = createPinia()
app.use(pinia)
app.use(router)
app.mount('#app')
const playerStore = usePlayerStore()
playerStore.restorePlaybackState()

View File

@@ -1,11 +1,244 @@
import { ref, computed } from 'vue'
import { ref, computed, watch } from 'vue'
import { defineStore } from 'pinia'
export const usePlayerStore = defineStore('counter', () => {
const STORAGE_KEY = 'butterfliu_player_state'
function saveState(state) {
try {
localStorage.setItem(STORAGE_KEY, JSON.stringify(state))
} catch (e) {
console.error('Failed to save player state:', e)
}
}
function loadState() {
try {
const saved = localStorage.getItem(STORAGE_KEY)
if (saved) {
return JSON.parse(saved)
}
} catch (e) {
console.error('Failed to load player state:', e)
}
return null
}
export const usePlayerStore = defineStore('player', () => {
const audio = ref(null)
const currentTime = ref(0)
const duration = ref(0)
const volume = ref(80)
const progress = computed(() => (currentTime.value / (duration.value + 1)) * 100)
const isMuted = ref(false)
const isPlaying = ref(false)
const song = ref(null)
const playlist = ref([])
return { currentTime, duration, progress, volume }
const progress = computed(() => {
if (duration.value === 0) return 0
return (currentTime.value / duration.value) * 100
})
const currentTrack = computed(() => ({
title: song.value?.title || '未播放',
artist: song.value?.artist || '-',
}))
function setupAudioListeners() {
if (!audio.value) return
audio.value.addEventListener('timeupdate', () => {
currentTime.value = audio.value.currentTime
savePlaybackProgress()
})
audio.value.addEventListener('loadedmetadata', () => {
duration.value = audio.value.duration
})
audio.value.addEventListener('ended', () => {
isPlaying.value = false
currentTime.value = 0
savePlaybackProgress()
playNext()
})
audio.value.addEventListener('play', () => {
isPlaying.value = true
savePlaybackProgress()
})
audio.value.addEventListener('pause', () => {
isPlaying.value = false
savePlaybackProgress()
})
audio.value.volume = volume.value / 100
}
function savePlaybackProgress() {
if (!song.value) return
const state = {
song: song.value,
currentTime: currentTime.value,
volume: volume.value,
isMuted: isMuted.value,
playlist: playlist.value,
}
saveState(state)
}
function restorePlaybackState() {
const saved = loadState()
if (!saved || !saved.song) return
song.value = saved.song
volume.value = saved.volume ?? 80
isMuted.value = saved.isMuted ?? false
playlist.value = saved.playlist || []
const src = `/api/songs/${saved.song.id}/stream`
if (!audio.value) {
audio.value = new Audio(src)
setupAudioListeners()
} else {
audio.value.src = src
}
audio.value.volume = isMuted.value ? 0 : volume.value / 100
audio.value.addEventListener('loadedmetadata', () => {
duration.value = audio.value.duration
if (saved.currentTime > 0 && saved.currentTime < duration.value) {
audio.value.currentTime = saved.currentTime
currentTime.value = saved.currentTime
}
}, { once: true })
}
function playSong(newSong, newPlaylist = null) {
if (newPlaylist) {
playlist.value = newPlaylist
}
song.value = newSong
const src = `/api/songs/${newSong.id}/stream`
if (!audio.value) {
audio.value = new Audio(src)
setupAudioListeners()
} else {
audio.value.src = src
}
currentTime.value = 0
audio.value.play()
savePlaybackProgress()
}
function togglePlay() {
if (!audio.value) return
if (isPlaying.value) {
audio.value.pause()
} else {
audio.value.play()
}
}
function seekTo(percent) {
if (!audio.value) return
const time = (percent / 100) * duration.value
audio.value.currentTime = time
savePlaybackProgress()
}
function seekForward(seconds = 10) {
if (!audio.value) return
audio.value.currentTime = Math.min(audio.value.currentTime + seconds, duration.value)
savePlaybackProgress()
}
function seekBackward(seconds = 10) {
if (!audio.value) return
audio.value.currentTime = Math.max(audio.value.currentTime - seconds, 0)
savePlaybackProgress()
}
function setVolume(newVolume) {
volume.value = newVolume
if (audio.value) {
audio.value.volume = isMuted.value ? 0 : newVolume / 100
}
if (newVolume > 0 && isMuted.value) {
isMuted.value = false
}
savePlaybackProgress()
}
function toggleMute() {
isMuted.value = !isMuted.value
if (audio.value) {
audio.value.volume = isMuted.value ? 0 : volume.value / 100
}
savePlaybackProgress()
}
function playNext() {
if (playlist.value.length === 0) return
const currentIndex = playlist.value.findIndex(s => s.id === song.value?.id)
if (currentIndex === -1) return
const nextIndex = (currentIndex + 1) % playlist.value.length
playSong(playlist.value[nextIndex], playlist.value)
}
function playPrevious() {
if (playlist.value.length === 0) return
const currentIndex = playlist.value.findIndex(s => s.id === song.value?.id)
if (currentIndex === -1) return
const prevIndex = currentIndex === 0 ? playlist.value.length - 1 : currentIndex - 1
playSong(playlist.value[prevIndex], playlist.value)
}
function formatTime(seconds) {
if (!seconds || isNaN(seconds)) return '0:00'
const mins = Math.floor(seconds / 60)
const secs = Math.floor(seconds % 60)
return `${mins}:${secs.toString().padStart(2, '0')}`
}
watch(volume, (newVolume) => {
if (audio.value && !isMuted.value) {
audio.value.volume = newVolume / 100
}
})
return {
audio,
currentTime,
duration,
volume,
isMuted,
isPlaying,
song,
playlist,
progress,
currentTrack,
playSong,
togglePlay,
seekTo,
seekForward,
seekBackward,
setVolume,
toggleMute,
playNext,
playPrevious,
formatTime,
restorePlaybackState,
}
})

View File

@@ -4,7 +4,7 @@
<p>{{ songs.length }} 首歌曲</p>
</div>
<div class="song-list">
<div v-for="s in songs" :key="s.id" class="song-item">
<div v-for="s in songs" :key="s.id" class="song-item" @click="playSong(s)">
<span class="song-id">{{ s.id }}</span>
<div class="song-textbox">
<span class="song-title">{{ s.title }}</span>
@@ -19,9 +19,11 @@
import { ref, computed, onMounted, watch } from 'vue'
import { useRoute } from 'vue-router'
import { useButterfliuStore } from '@/stores/butterfliu'
import { usePlayerStore } from '@/stores/player'
const route = useRoute()
const butterfliu = useButterfliuStore()
const player = usePlayerStore()
const songs = ref([])
const libraries = computed(() => butterfliu.libraries)
@@ -39,6 +41,10 @@ async function loadSongs() {
}
}
function playSong(song) {
player.playSong(song, songs.value)
}
watch(() => route.params.id, () => {
loadSongs()
})