增加受访者下拉框后端接口

src/main/java/com/example/mini_program/mapper/ReceptionPersonMapper.java

@@ -0,0 +1,11 @@
+package com.example.mini_program.mapper;
+
+import com.example.mini_program.entity.ReceptionPersonPO;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface ReceptionPersonMapper {
+   List<ReceptionPersonPO> selectReceptionPerson();
+}