更新文件 AdvertiseDao.java

mhotel/src/com/happy/dao/AdvertiseDao.java

@@ -12,6 +12,9 @@ public interface AdvertiseDao {
 
     public int delAdvertise(int id);
 
+    // 查询已开启的广告
+    public List<Advertise> queryOpenAdvertise();
+
     public Advertise queryById(int id);
 
     public Advertise queryByTitle(String title);