fix(music-player): 修复音乐播放和歌词显示问题

-优化歌词解析逻辑，支持不同格式的歌词时间戳
- 修复设置当前音乐时的音频加载和播放问题
- 优化更新音乐 URL 的逻辑，确保平滑切换音源
- 修复了一些与音乐播放相关的潜在错误和不良行为

music-qianduan/src/components/MusicPlayer.vue

@@ -380,11 +380,13 @@ const loopModeText = computed(() => {
 
 // 解析歌词
 const parsedLyric = computed(() => {
-  if (!currentMusic.value || !currentMusic.value.lyric) return [];
+  if (!currentMusic.value || typeof currentMusic.value.lyric !== 'string') {
+    return [];
+  }
   const lyric = currentMusic.value.lyric;
   const lines = lyric.split('\n');
   const result = [];
-  const timeRegExp = /\[(\d{2}):(\d{2})\.(\d{2,3})\]/g;
+  const timeRegExp = /\[(\d{2}):(\d{2})\.(\d+)\]/g;
 
   for (const line of lines) {
     const text = line.replace(timeRegExp, '').trim();
@@ -394,8 +396,8 @@ const parsedLyric = computed(() => {
       while ((match = timeRegExp.exec(line)) !== null) {
         const min = parseInt(match, 10);
         const sec = parseInt(match, 10);
-        const ms = parseInt((match || '0').padEnd(3, '0'), 10);
-        const time = min * 60 + sec + ms / 1000;
+        const msStr = match;
+        const time = min * 60 + sec + parseFloat('0.' + msStr);
         result.push({ time, text });
       }
     }
@@ -574,7 +576,7 @@ watch(() => currentMusic.value?.id, (newId) => {
     lyricLines.value = {}
     if (isExpanded.value) expandedActiveTab.value = 'lyric'
   }
-}, { immediate: true })
+})
 </script>
 
 <style scoped>

music-qianduan/src/stores/player.js

@@ -44,33 +44,43 @@ export const usePlayerStore = defineStore('player', {
 
     // 设置当前音乐
     async setCurrentMusic(music) {
-      if (!music) return
+      if (!music || (this.currentMusic && this.currentMusic.id === music.id && this.isPlaying)) {
+        return;
+      }
 
-      this.initAudio()
-      this.currentMusic = music
+      this.initAudio();
       
-      // 检查播放列表中是否已存在该音乐
-      const index = this.playlist.findIndex(item => item.id === music.id)
+      // 在加载新音乐之前暂停并重置当前音频
+      if (this.audio) {
+        this.pause();
+        this.audio.src = ''; // 清空旧的音频源
+      }
+
+      this.currentMusic = { ...music };
+      this.isPlaying = false;
+      this.currentTime = 0;
+      this.duration = 0;
+
+      const index = this.playlist.findIndex(item => item.id === music.id);
       if (index !== -1) {
-        this.currentIndex = index
+        this.currentIndex = index;
       } else {
-        this.addToPlaylist(music)
-        this.currentIndex = this.playlist.length - 1
+        this.addToPlaylist(music);
+        this.currentIndex = this.playlist.length - 1;
       }
 
-      // 设置音频源并播放
       if (music.url) {
-        this.audio.src = music.url
-        this.play()
+        this.audio.src = music.url;
+        this.audio.load(); // 明确加载新音频
+        this.play();
 
-        // 调用播放API，记录播放次数
         try {
-          await playMusic(music.id)
+          await playMusic(music.id);
         } catch (error) {
-          console.error('记录播放失败:', error)
+          console.error('记录播放失败:', error);
         }
       } else {
-        console.error('音乐URL不存在')
+        console.error('音乐URL不存在');
       }
     },
 
@@ -253,18 +263,17 @@ export const usePlayerStore = defineStore('player', {
 
     // 更新音乐URL
     updateMusicUrl(id, url) {
-      // 更新当前音乐的URL
-      if (this.currentMusic && this.currentMusic.id === id) {
-        this.currentMusic.url = url
-        if (this.audio) {
-          this.audio.src = url
-        }
+      const musicInPlaylist = this.playlist.find(item => item.id === id);
+      if (musicInPlaylist) {
+        musicInPlaylist.url = url;
       }
 
-      // 更新播放列表中的URL
-      const index = this.playlist.findIndex(item => item.id === id)
-      if (index !== -1) {
-        this.playlist[index].url = url
+      if (this.currentMusic && this.currentMusic.id === id) {
+        this.currentMusic.url = url;
+        // 如果是当前播放的音乐，则重新设置音频源并播放
+        if (this.audio && this.audio.src !== url) {
+           this.setCurrentMusic({ ...this.currentMusic, url });
+        }
       }
     },