tyqb-boot/src/main/java/org/example/tqyb/mapper/CityMapper.java

package org.example.tqyb.mapper;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.example.tqyb.bean.CityBean;

import java.util.List;

@Mapper
public interface CityMapper {

    //添加城市信息
    int instercity(@Param("id") String id,@Param("city_name") String city_name);

    //查询城市信息
    List<CityBean> selectcity(@Param("city_name") String city_name);

}