package com.kwan.springbootkwan.service; import com.baomidou.mybatisplus.extension.service.IService; import com.kwan.springbootkwan.entity.User; import java.util.List; public interface IUserService extends IService { /** * 获取所有用户 * * @return */ List getUsers(); /** * 获取一个用户 * * @return */ User getUserById(Integer id); /** * 根据姓名查询 * * @param sex * @return */ User getUserByName(String sex); }