根据经纬度查询景区，并添加查询所有景区的功能

src/main/resources/mapper/ScenicMapper.xml

@@ -173,7 +173,8 @@
         where s.id = #{id}
     </select>
     <select id="appList" resultType="com.ycwl.basic.model.mobile.scenic.ScenicAppVO">
-        select s.id, `name`, `phone`, introduction,cover_url, longitude, latitude, radius, province, city, area, address
+        select s.id, `name`, `phone`, introduction, cover_url, longitude, latitude, radius, province, city, area, address,
+        (SELECT COUNT(1) FROM device WHERE scenic_id = s.id AND status = 1) as deviceNum
         from scenic s
         where
                 `status` = 1
@@ -218,13 +219,15 @@
                ifnull(
                        cast(
                                ST_Distance_Sphere(
-                                       Point(longitude, latitude), Point(#{params.longitude}, #{params.latitude})
+                                       Point(longitude, latitude), Point(#{longitude}, #{latitude})
                                ) AS
                            DECIMAL(10, 2)
                        ), 0
                )                                                                   AS distance
         from scenic s
         where `status` = 1
+          and `latitude` is not null
+          and `longitude` is not null
         ORDER BY distance ASC
     </select>
     <select id="getConfig" resultType="com.ycwl.basic.model.pc.scenic.entity.ScenicConfigEntity">