update了UrlCheck工具类

src/main/java/com/lovenav/service/serviceImpl/BannersServiceImpl.java

@@ -1,6 +1,6 @@
 package com.lovenav.service.serviceImpl;
 
-import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson2.JSON;
 import com.lovenav.dao.BannersDao;
 import com.lovenav.entity.Banners;
 import com.lovenav.service.BannersService;
@@ -59,9 +59,8 @@ public class BannersServiceImpl implements BannersService {
     }
 
 //    展示banner
-    @Override
     public String View_banner(){
-        List<Banners> list = bannersDao.selectByAllBanners();
+        List<Banners> list = bannersDao.selectAllBanners();
         return JSON.toJSONString(list);
     }
 }