feat(music): 增加歌单和歌手的收藏数和评论数字段

- 在 PlaylistDTO 和 SingerDTO 中添加 collectCount 和 commentCount 字段
- 更新前端 Singer 组件，使用 getSingerById API 获取歌手信息

music-houduan/src/main/java/com/test/musichouduan/dto/PlaylistDTO.java

@@ -1,5 +1,6 @@
 package com.test.musichouduan.dto;
 
+import jakarta.persistence.Column;
 import lombok.Data;
 
 import java.time.LocalDateTime;
@@ -51,6 +52,17 @@ public class PlaylistDTO {
      */
     private Long playCount;
 
+    /**
+     * 收藏数
+     */
+    private Integer collectCount;
+
+    /**
+     * 评论数
+     */
+    private Integer commentCount;
+
+
     /**
      * 歌单中的音乐
      */

music-houduan/src/main/java/com/test/musichouduan/dto/SingerDTO.java

@@ -1,5 +1,6 @@
 package com.test.musichouduan.dto;
 
+import jakarta.persistence.Column;
 import lombok.Data;
 
 import java.time.LocalDateTime;
@@ -46,6 +47,16 @@ public class SingerDTO {
      */
     private Long fansCount;
 
+    /**
+     * 收藏数
+     */
+    private Integer collectCount;
+
+    /**
+     * 评论数
+     */
+    private Integer commentCount;
+
     /**
      * 是否已收藏
      */

music-qianduan/src/views/admin/Singer.vue

@@ -1,7 +1,7 @@
 <script setup>
 import { ref, onMounted, computed } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { getSingerList, addSinger as apiAddSinger, updateSinger, deleteSinger } from '../../api/singer'
+import { getSingerList, addSinger as apiAddSinger, updateSinger, deleteSinger, getSingerById } from '../../api/singer'
 import { getSingerTypeList } from '../../api/admin/type'
 import { getMusicList } from '../../api/music'
 import { addMusicToSinger, removeMusicFromSinger } from '../../api/singer'
@@ -194,9 +194,9 @@ const fetchMusicList = async () => {
 // 获取歌手关联的音乐
 const fetchSingerMusic = async (singerId) => {
   try {
-    const res = await getSingerList(1, 1, '', singerId)
-    if (res.code === 200 && res.data.list[0].musics) {
-      selectedMusicIds.value = res.data.list[0].musics.map(m => m.id)
+    const res = await getSingerById(singerId)
+    if (res.code === 200 && res.data.musics) {
+      selectedMusicIds.value = res.data.musics.map(m => m.id)
     }
   } catch (error) {
     console.error('获取歌手音乐失败:', error)