会员

ruoyi-system/src/main/java/com/ruoyi/system/mapper/ShopUserMapper.java

@@ -77,5 +77,13 @@ public interface ShopUserMapper {
      * @return 结果
      */
     public int updateUserOnlineTime(ShopUser shopUser);
+    
+    /**
+     * 查询用户的音乐标签
+     *
+     * @param userId 用户ID
+     * @return 音乐标签列表
+     */
+    public List<String> selectUserMusicTags(String userId);
 
 } 

ruoyi-system/src/main/java/com/ruoyi/system/service/IShopUserService.java

@@ -69,4 +69,12 @@ public interface IShopUserService
      * @return 结果
      */
     public int updateUserOnlineTime(ShopUser shopUser);
+    
+    /**
+     * 获取用户标签列表
+     * 
+     * @param userId 用户ID
+     * @return 用户标签列表（以分号分隔的字符串）
+     */
+    public String getUserTags(String userId);
 }

ruoyi-system/src/main/java/com/ruoyi/system/service/impl/ShopUserServiceImpl.java

@@ -156,4 +156,38 @@ public class ShopUserServiceImpl implements IShopUserService
         
         return shopUserMapper.updateUserOnlineTime(updateUser);
     }
+    
+    /**
+     * 获取用户标签列表
+     * 
+     * @param userId 用户ID
+     * @return 用户标签列表（以分号分隔的字符串）
+     */
+    @Override
+    public String getUserTags(String userId) {
+        if (userId == null || userId.isEmpty()) {
+            return "";
+        }
+        
+        // 查询用户的音乐标签
+        List<String> tagList = shopUserMapper.selectUserMusicTags(userId);
+        
+        if (tagList == null || tagList.isEmpty()) {
+            return "";
+        }
+        
+        // 将标签列表转换为分号分隔的字符串
+        StringBuilder tags = new StringBuilder();
+        for (int i = 0; i < tagList.size(); i++) {
+            String tag = tagList.get(i);
+            if (tag != null && !tag.isEmpty()) {
+                tags.append(tag);
+                if (i < tagList.size() - 1) {
+                    tags.append(";");
+                }
+            }
+        }
+        
+        return tags.toString();
+    }
 }

ruoyi-system/src/main/resources/mapper/system/ShopUserMapper.xml

@@ -200,4 +200,13 @@
         </set>
         where user_id = #{userId}
     </update>
+    
+    <!-- 查询用户的音乐标签 -->
+    <select id="selectUserMusicTags" parameterType="String" resultType="String">
+        SELECT mi.label FROM user_history uh 
+        LEFT JOIN music_info mi on uh.music_id = mi.music_id
+        LEFT JOIN shop_user su on uh.user_id = su.user_id 
+        WHERE su.user_id = #{userId} AND mi.label IS NOT NULL AND mi.label != ''
+        GROUP BY mi.label
+    </select>
 </mapper>