feat(playlist): 增加歌单播放次数功能

- 在前端 PlaylistDetail.vue 中添加播放全部歌曲时增加播放次数的逻辑- 在后端 PlaylistServiceImpl 中实现 playPlaylist 方法，增加歌单播放次数
- 优化了播放全部歌曲的功能，包括处理播放次数增加失败的情况

music-qianduan/src/views/PlaylistDetail.vue

@@ -4,7 +4,7 @@ import { useRoute, useRouter } from 'vue-router'
 import { usePlayerStore } from '../stores/player'
 import { useUserStore } from '../stores/user'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { getPlaylistById, toggleCollectPlaylist, deletePlaylist as apiDeletePlaylist, isPlaylistCollected, updatePlaylist } from '../api/playlist'
+import { getPlaylistById, toggleCollectPlaylist, deletePlaylist as apiDeletePlaylist, isPlaylistCollected, updatePlaylist, playPlaylist } from '../api/playlist'
 import { getMusicStatus } from '../api/music'
 import { getCommentList, addComment, deleteComment as apiDeleteComment } from '../api/comment'
 import { connect, subscribe, unsubscribe, disconnect } from '../utils/websocket' // 导入 WebSocket 工具
@@ -127,12 +127,25 @@ const fetchComments = async () => {
 }
 
 // 播放全部
-const playAll = () => {
+const playAll = async () => {
   if (!playlist.value || playlist.value.songs.length === 0) {
     ElMessage.warning('没有可播放的音乐')
     return
   }
 
+  try {
+    // 调用 API 增加播放次数
+    await playPlaylist(playlistId.value)
+
+    // 更新前端显示的播放次数
+    if (playlist.value) {
+      playlist.value.playCount++
+    }
+  } catch (error) {
+    console.error('增加播放次数失败:', error)
+    // 即使增加播放次数失败，也继续播放
+  }
+
   // 清空当前播放列表
   playerStore.clearPlaylist()
 
@@ -142,7 +155,7 @@ const playAll = () => {
   })
 
   // 播放第一首
-  playerStore.setCurrentMusic(playlist.value.songs[0])
+  playerStore.setCurrentMusic(playlist.value.songs)
 
   ElMessage.success('开始播放全部歌曲')
 }