package com.sky.mapper; import com.sky.entity.User; import org.apache.ibatis.annotations.Mapper; import org.apache.ibatis.annotations.Select; @Mapper public interface UserMapper { /** * 根据openid查询用户 * * @param openid * @return */ @Select("select * from user where openid = #{openid}") User getByOpenid(String openid); /** * 插入新用户 * @param user */ void insert(User user); }