feat(comment): 添加音乐评论功能并优化热门音乐相关逻辑

- 在 CommentServiceImpl 中增加针对音乐的评论计数逻辑
- 在 Home.vue 中添加热门音乐推荐模块
- 修改 Music.vue 中的热门音乐获取逻辑，支持分页
- 在 MusicDetail.vue 中实现评论列表展示和评论提交功能
- 更新 MusicList.vue，增加音乐详情查看按钮
- 在 MusicServiceImpl 中同步更新播放次数和点赞数

music-houduan/src/main/java/com/test/musichouduan/service/impl/CommentServiceImpl.java

@@ -8,6 +8,7 @@ import com.test.musichouduan.entity.Comment;
 import com.test.musichouduan.entity.User;
 import com.test.musichouduan.exception.BusinessException;
 import com.test.musichouduan.repository.CommentRepository;
+import com.test.musichouduan.repository.MusicRepository;
 import com.test.musichouduan.repository.UserRepository;
 import com.test.musichouduan.service.CommentService;
 import org.springframework.messaging.simp.SimpMessagingTemplate; // 添加导入
@@ -38,6 +39,9 @@ public class CommentServiceImpl implements CommentService {
     @Autowired
     private UserRepository userRepository;
 
+    @Autowired
+    private MusicRepository musicRepository;
+
     @Autowired
     private SimpMessagingTemplate messagingTemplate; // 注入 SimpMessagingTemplate
 
@@ -100,6 +104,16 @@ public class CommentServiceImpl implements CommentService {
         // 保存评论
         Comment savedComment = commentRepository.save(comment);
 
+        // 如果评论的是音乐 (targetType=1, 这个值需要与前端约定好)
+        // 通常可以定义一个枚举或常量类来管理这些类型值
+        if (savedComment.getTargetType() == 1) {
+            musicRepository.findById(savedComment.getTargetId()).ifPresent(music -> {
+                int currentCommentCount = music.getCommentCount() != null ? music.getCommentCount() : 0;
+                music.setCommentCount(currentCommentCount + 1);
+                musicRepository.save(music);
+            });
+        }
+
         // 将新评论转换为DTO
         CommentDTO savedCommentDTO = convertToDTO(savedComment);
 

music-houduan/src/main/java/com/test/musichouduan/service/impl/MusicServiceImpl.java

@@ -537,7 +537,10 @@ public class MusicServiceImpl implements MusicService {
         Music music = musicOpt.get();
 
         // 增加播放次数
-        music.setPlayCount(music.getPlayCount() + 1);
+        long currentPlayCount = music.getPlayCount() != null ? music.getPlayCount() : 0;
+        music.setPlayCount(currentPlayCount + 1);
+        // 根据要求，将点赞数与播放次数同步
+        music.setLikeCount((int) (currentPlayCount + 1));
         musicRepository.save(music);
 
         // 如果用户已登录，记录播放历史

music-qianduan/src/api/music.js

@@ -65,7 +65,8 @@ export function getMusicById(id) {
  * @returns {Promise<any>}
  */
 export function getHotMusic(limit = 10) {
-  return api.get('/music/hot', {
+  // 更新：调用新的热门音乐接口
+  return api.get('/hot-music/list', {
     params: { limit }
   })
 }

music-qianduan/src/components/MusicList.vue

@@ -72,6 +72,15 @@
             <el-icon><Star /></el-icon>
           </el-button>
 
+          <el-button
+            circle
+            size="small"
+            @click="goToMusicDetail(item.id)"
+            title="查看详情"
+          >
+            <el-icon><InfoFilled /></el-icon>
+          </el-button>
+
           <el-dropdown trigger="click" @command="handleCommand($event, item)">
             <el-button circle size="small">
               <el-icon><More /></el-icon>
@@ -105,7 +114,8 @@
 
 <script setup>
 import { ref, computed, watch } from 'vue'
-import { VideoPlay, VideoPause, Star, More } from '@element-plus/icons-vue'
+import { useRouter } from 'vue-router'
+import { VideoPlay, VideoPause, Star, More, InfoFilled } from '@element-plus/icons-vue'
 import { usePlayerStore } from '../stores/player'
 import { toggleCollectMusic } from '../api/music'
 import { ElMessage } from 'element-plus'
@@ -139,6 +149,8 @@ const props = defineProps({
 
 const emit = defineEmits(['update:currentPage', 'update:pageSize', 'page-change', 'collect-change'])
 
+const router = useRouter()
+
 // 使用本地状态来代替直接绑定到props
 const localCurrentPage = ref(props.currentPage)
 const localPageSize = ref(props.pageSize)
@@ -154,6 +166,11 @@ watch(() => props.pageSize, (newVal) => {
 
 const playerStore = usePlayerStore()
 
+// 跳转到音乐详情页
+const goToMusicDetail = (id) => {
+  router.push({ name: 'music-detail', params: { id } })
+}
+
 // 检查音乐是否正在播放
 const isPlaying = (id) => {
   return playerStore.getCurrentMusic?.id === id && playerStore.getIsPlaying

music-qianduan/src/views/Home.vue

@@ -4,7 +4,7 @@ import { useRouter } from 'vue-router'
 import { usePlayerStore } from '../stores/player'
 import { ElMessage } from 'element-plus'
 import HomeBanner from '../components/HomeBanner.vue'
-import { getLatestMusic } from '../api/music'
+import { getLatestMusic, getHotMusic } from '../api/music'
 import { getLatestPlaylist } from '../api/playlist'
 import { getLatestSinger } from '../api/singer'
 import { processMusicUrl } from '../api/music'
@@ -17,6 +17,10 @@ const playerStore = usePlayerStore()
 const newSongs = ref([])
 const loadingNewSongs = ref(false)
 
+// 热门音乐
+const hotSongs = ref([])
+const loadingHotSongs = ref(false)
+
 // 新歌单推荐
 const newPlaylists = ref([])
 const loadingNewPlaylists = ref(false)
@@ -48,6 +52,29 @@ const fetchLatestMusic = async () => {
   }
 }
 
+// 获取热门音乐
+const fetchHotMusic = async () => {
+  loadingHotSongs.value = true
+  try {
+    // 注意：这里调用的是新的 hot-music API
+    const res = await getHotMusic(8) // 获取8首热门音乐
+    if (res.code === 200) {
+      hotSongs.value = res.data.map(item => ({
+        ...item,
+        cover: processMusicUrl(item.cover),
+        url: processMusicUrl(item.url)
+      }))
+    } else {
+      ElMessage.error(res.message || '获取热门音乐失败')
+    }
+  } catch (error) {
+    console.error('获取热门音乐失败:', error)
+    ElMessage.error('获取热门音乐失败')
+  } finally {
+    loadingHotSongs.value = false
+  }
+}
+
 // 获取最新歌单
 const fetchLatestPlaylist = async () => {
   loadingNewPlaylists.value = true
@@ -121,6 +148,7 @@ const formatPlayCount = (count) => {
 onMounted(() => {
   // 获取数据
   fetchLatestMusic()
+  fetchHotMusic() // 获取热门音乐
   fetchLatestPlaylist()
   fetchLatestSinger()
 })
@@ -155,6 +183,28 @@ onMounted(() => {
       </div>
     </div>
 
+    <!-- 热门音乐推荐 -->
+    <div class="section hot-songs-section" v-loading="loadingHotSongs">
+      <div class="section-header">
+        <h2>热门音乐</h2>
+        <el-button text @click="router.push('/music')">查看更多</el-button>
+      </div>
+      <div class="song-list">
+        <div v-for="song in hotSongs" :key="song.id" class="song-item" @dblclick="playSong(song)">
+          <div class="song-cover">
+            <img :src="song.cover" :alt="song.name">
+            <div class="play-icon" @click="playSong(song)">
+              <el-icon><video-play /></el-icon>
+            </div>
+          </div>
+          <div class="song-info">
+            <div class="song-name">{{ song.name }}</div>
+            <div class="song-singer">{{ song.singer || (song.singers && song.singers.map(s => s.name).join(', ')) }}</div>
+          </div>
+        </div>
+      </div>
+    </div>
+
     <!-- 新歌单推荐 -->
     <div class="section new-playlists-section" v-loading="loadingNewPlaylists">
       <div class="section-header">

music-qianduan/src/views/Music.vue

@@ -99,25 +99,29 @@ const handleCollectChange = (music) => {
 }
 
 // 获取热门音乐
-const fetchHotMusic = async () => {
+const fetchHotMusic = async (params = {}) => {
   loadingHot.value = true
   try {
-    const res = await getHotMusic(20) // 获取20首热门音乐
+    // 从缓存中获取全部50条热门音乐
+    const res = await getHotMusic(50)
     if (res.code === 200) {
-      hotMusicList.value = res.data || []
+      const allHotMusic = res.data || []
+      total.value = allHotMusic.length // 总数是50
 
-      // 处理音乐URL和封面URL
-      hotMusicList.value.forEach(music => {
-        if (music.url) {
-          music.url = processMusicUrl(music.url)
-        }
-        if (music.cover) {
-          music.cover = processMusicUrl(music.cover)
-        }
-        if (music.collected === undefined) {
-          music.collected = false
-        }
+      // 处理URL和收藏状态
+      allHotMusic.forEach(music => {
+        if (music.url) music.url = processMusicUrl(music.url)
+        if (music.cover) music.cover = processMusicUrl(music.cover)
+        if (music.collected === undefined) music.collected = false
       })
+
+      // 根据当前页码和每页数量进行前端分页
+      const page = params.page || currentPage.value
+      const size = params.size || pageSize.value
+      const startIndex = (page - 1) * size
+      const endIndex = startIndex + size
+      hotMusicList.value = allHotMusic.slice(startIndex, endIndex)
+
     } else {
       ElMessage.error(res.message || '获取热门音乐失败')
     }
@@ -223,7 +227,10 @@ onMounted(() => {
         <MusicList
           :list="hotMusicList"
           :loading="loadingHot"
-          :showPagination="false"
+          :total="total"
+          v-model:current-page="currentPage"
+          v-model:page-size="pageSize"
+          @page-change="fetchHotMusic"
           @collect-change="handleCollectChange"
         />
       </el-tab-pane>

music-qianduan/src/views/MusicDetail.vue

@@ -88,12 +88,77 @@
           <p>{{ music.description }}</p>
         </div>
 
+        <div class="content-toggle">
+          <el-tabs v-model="activeTab">
+            <el-tab-pane label="歌词" name="lyric"></el-tab-pane>
+            <el-tab-pane label="评论" name="comment"></el-tab-pane>
+          </el-tabs>
+        </div>
+
+        <div v-if="activeTab === 'lyric'">
           <div v-if="music && music.lyric" class="music-lyric">
             <h2>歌词</h2>
             <pre>{{ music.lyric }}</pre>
           </div>
+          <el-empty v-else description="暂无歌词" />
+        </div>
 
-        <div v-if="relatedMusic.length > 0" class="related-music">
+        <div v-if="activeTab === 'comment'" class="comment-section">
+          <div class="comment-input">
+            <el-input
+              v-model="commentContent"
+              type="textarea"
+              :rows="3"
+              placeholder="发表你的评论..."
+            />
+            <div class="comment-submit-actions">
+              <el-button type="primary" @click="submitComment(false)">发表评论</el-button>
+            </div>
+          </div>
+
+          <div class="comment-list">
+            <div v-for="comment in comments" :key="comment.id" class="comment-item">
+              <div class="comment-avatar">
+                <el-avatar :src="comment.user.avatar" :size="40" />
+              </div>
+              <div class="comment-content">
+                <div class="comment-header">
+                  <div class="comment-user">{{ comment.user.username }}</div>
+                  <div class="comment-actions">
+                    <el-button type="text" size="small" @click="setReplyTo(comment)">回复</el-button>
+                    <el-button
+                      v-if="userStore.isAdmin || comment.user.id === userStore.user?.id"
+                      type="danger"
+                      size="small"
+                      @click="deleteComment(comment.id)"
+                    >
+                      删除
+                    </el-button>
+                  </div>
+                </div>
+                <div class="comment-text">{{ comment.content }}</div>
+                <div class="comment-footer">
+                  <div class="comment-time">{{ comment.createTime }}</div>
+                </div>
+                <div v-if="replyingTo && replyingTo.id === comment.id" class="comment-input child-comment-input">
+                  <el-input
+                    v-model="replyContent"
+                    type="textarea"
+                    :rows="2"
+                    :placeholder="`回复 @${replyingTo.user.username}`"
+                  />
+                  <div class="comment-submit-actions">
+                    <el-button type="primary" size="small" @click="submitComment(true)">回复</el-button>
+                    <el-button size="small" @click="cancelReply">取消</el-button>
+                  </div>
+                </div>
+              </div>
+            </div>
+            <el-empty v-if="!comments.length" description="还没有评论，快来抢沙发吧！" />
+          </div>
+        </div>
+
+        <div v-if="relatedMusic.length > 0 && activeTab === 'lyric'" class="related-music">
           <h2>相关推荐</h2>
           <el-row :gutter="20">
             <el-col
@@ -125,21 +190,34 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, watch } from 'vue'
+import { ref, computed, onMounted, watch, onUnmounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { usePlayerStore } from '../stores/player'
+import { useUserStore } from '../stores/user'
 import { getMusicById, toggleCollectMusic, getHotMusic } from '../api/music'
-import { ElMessage } from 'element-plus'
+import { getCommentList, addComment, deleteComment as apiDeleteComment } from '../api/comment'
+import { connect, subscribe, unsubscribe, disconnect } from '../utils/websocket'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import { VideoPlay, VideoPause, Star, StarFilled, Plus } from '@element-plus/icons-vue'
 
 const route = useRoute()
 const router = useRouter()
 const playerStore = usePlayerStore()
+const userStore = useUserStore()
 
 const music = ref(null)
 const loading = ref(true)
 const relatedMusic = ref([])
 
+// 评论区相关状态
+const activeTab = ref('lyric') // 'lyric' or 'comment'
+const comments = ref([])
+const commentContent = ref('')
+const replyContent = ref('')
+const replyingTo = ref(null)
+const expandedComments = ref([])
+let commentSubscription = null;
+
 // 计算属性
 const isPlaying = computed(() => {
   return playerStore.getCurrentMusic?.id === music.value?.id && playerStore.getIsPlaying
@@ -191,6 +269,117 @@ const fetchRelatedMusic = async () => {
   }
 }
 
+// 获取评论列表
+const fetchComments = async () => {
+  if (!music.value) return;
+  try {
+    const res = await getCommentList(music.value.id, 1, 1, 100); // targetType 1 表示音乐
+    if (res.code === 200) {
+      comments.value = res.data.list || res.data.records || [];
+    }
+  } catch (error) {
+    console.error('获取评论列表失败:', error);
+  }
+};
+
+// 提交评论
+const submitComment = async (isReply = false) => {
+  if (!userStore.isLoggedIn) {
+    ElMessage.warning('请先登录');
+    router.push('/login');
+    return;
+  }
+
+  const content = isReply ? replyContent.value : commentContent.value;
+  if (!content.trim()) {
+    ElMessage.warning('评论内容不能为空');
+    return;
+  }
+
+  try {
+    const res = await addComment({
+      targetId: music.value.id,
+      targetType: 1, // 1表示音乐
+      content: content,
+      parentId: isReply ? replyingTo.value.id : null,
+    });
+
+    if (res.code === 200) {
+      if (isReply) {
+        replyContent.value = '';
+        replyingTo.value = null;
+      } else {
+        commentContent.value = '';
+      }
+      ElMessage.success('评论已发送');
+    } else {
+      ElMessage.error(res.message || '评论失败');
+    }
+  } catch (error) {
+    console.error('提交评论失败:', error);
+    ElMessage.error('评论失败，请稍后重试');
+  }
+};
+
+// 删除评论
+const deleteComment = async (commentId) => {
+  try {
+    await ElMessageBox.confirm('确定要删除这条评论吗？', '提示', {
+      confirmButtonText: '确定',
+      cancelButtonText: '取消',
+      type: 'warning',
+    });
+
+    const res = await apiDeleteComment(commentId);
+    if (res.code === 200) {
+      // 重新获取评论以刷新列表
+      fetchComments();
+      ElMessage.success('评论已删除');
+    } else {
+      ElMessage.error(res.message || '删除失败');
+    }
+  } catch (error) {
+    if (error !== 'cancel') {
+      console.error('删除评论失败:', error);
+      ElMessage.error('删除失败，请稍后重试');
+    }
+  }
+};
+
+// 设置回复对象
+const setReplyTo = (comment) => {
+  replyingTo.value = comment;
+};
+
+// 取消回复
+const cancelReply = () => {
+  replyingTo.value = null;
+  replyContent.value = '';
+};
+
+// WebSocket 订阅
+const setupWebSocket = () => {
+  if (!music.value) return;
+  connect(() => {
+    const destination = `/topic/comments/1/${music.value.id}`; // 1 代表音乐类型
+    commentSubscription = subscribe(destination, (newComment) => {
+      if (newComment && newComment.id) {
+        // 简单处理：直接重新拉取整个评论列表
+        fetchComments();
+      }
+    });
+  });
+};
+
+// 断开 WebSocket
+const teardownWebSocket = () => {
+  if (commentSubscription) {
+    unsubscribe(commentSubscription);
+    commentSubscription = null;
+  }
+  disconnect();
+};
+
 // 播放音乐
 const playMusic = () => {
   if (isPlaying.value) {
@@ -255,14 +444,25 @@ const formatDuration = (seconds) => {
 // 监听路由变化，重新获取音乐详情
 watch(() => route.params.id, (newId, oldId) => {
   if (newId !== oldId) {
-    fetchMusicDetail()
-    fetchRelatedMusic()
+    teardownWebSocket();
+    fetchMusicDetail().then(() => {
+      fetchComments();
+      setupWebSocket();
+    });
+    fetchRelatedMusic();
   }
 })
 
 onMounted(() => {
-  fetchMusicDetail()
-  fetchRelatedMusic()
+  fetchMusicDetail().then(() => {
+    fetchComments();
+    setupWebSocket();
+  });
+  fetchRelatedMusic();
+})
+
+onUnmounted(() => {
+  teardownWebSocket();
 })
 </script>
 
@@ -330,10 +530,79 @@ onMounted(() => {
   gap: 15px;
 }
 
-.music-description, .music-lyric {
+.music-description {
   margin-bottom: 30px;
 }
 
+.content-toggle {
+  margin-bottom: 20px;
+}
+
+.comment-section {
+  margin-top: 20px;
+}
+
+.comment-input {
+  margin-bottom: 20px;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.comment-submit-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 10px;
+}
+
+.comment-list {
+  margin-top: 20px;
+}
+
+.comment-item {
+  display: flex;
+  margin-bottom: 20px;
+  padding-bottom: 20px;
+  border-bottom: 1px solid #eee;
+}
+
+.comment-avatar {
+  margin-right: 15px;
+}
+
+.comment-content {
+  flex: 1;
+}
+
+.comment-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 5px;
+}
+
+.comment-user {
+  font-weight: bold;
+}
+
+.child-comment-input {
+  margin-top: 10px;
+}
+
+.comment-text {
+  margin-bottom: 5px;
+  color: #333;
+  line-height: 1.5;
+}
+
+.comment-footer {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  font-size: 0.8rem;
+  color: #999;
+}
+
 .music-description h2, .music-lyric h2, .related-music h2 {
   font-size: 20px;
   margin-bottom: 15px;