小程序点歌 新增获取正在演唱歌曲接口

src/main/java/com/chaozhanggui/system/cashierservice/dao/TbShopSongOrderMapper.java

@@ -63,4 +63,7 @@ public interface TbShopSongOrderMapper {
             "        WHERE\n" +
             "            a.open_id = #{openId} and a.state in (1, 2, 3)")
     List<Map<String, Object>> selectActiveOrderByUserId(@Param("openId") String openId);
+
+    @Select("SELECT song_name, id FROM `tb_shop_song_order` where open_id=#{openId} and state=2 limit 1")
+    Map<String, Object> selectSinging(@Param("openId") String openId);
 }