修改分组页面，新增名称重复校验以及查询的bug

zhyc-module/src/main/resources/mapper/base/BasSheepGroupMapper.xml

@@ -126,5 +126,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         </foreach>
     </delete>
 
+    <select id="selectByParentIdAndGroupName" resultMap="BasSheepGroupResult">
+        SELECT * FROM bas_sheep_group
+        WHERE parent_id = #{parentId} AND group_name = #{groupName}
+            LIMIT 1
+    </select>
+
 
 </mapper>