package com.ruoyi.system.service; import com.ruoyi.system.domain.entity.baseinfo.Country; import com.ruoyi.system.mapper.baseinfo.CountryDAO; import com.ruoyi.system.mapper.baseinfo.CountryMapper; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.List; @Service public class TestMapperService { @Autowired CountryMapper countryMapper; @Autowired CountryDAO countryDAO; public Object queryCountry() { List countries = countryMapper.selectAll(); return countries; } public Object queryCountryById(Integer countryId) { List countries = countryDAO.selectCountryInfoById(countryId); return countries; } }