小程序点歌 新增获取正在演唱歌曲接口

src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbShopSongServiceImpl.java

@@ -28,6 +28,7 @@ import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -136,7 +137,16 @@ public class TbShopSongServiceImpl implements TbShopSongService{
 
     @Override
     public Object getSinging(String openId) {
-        return shopSongOrderMapper.selectSinging(openId);
+        Map<String, Object> map = shopSongOrderMapper.selectSinging(openId);
+        if (map == null) {
+            return new HashMap<String, Object>(){{
+                put("songName", "");
+                put("id", "");
+                put("img", "");
+            }};
+        }else {
+            return map;
+        }
     }
 }