vip21-javaweb/day04/src/main/java/com/lovecoding/xml/test/dao/UserMapper.java

package com.lovecoding.xml.test.dao;

import com.lovecoding.xml.test.pojo.User;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface UserMapper {

    List<User> selectUser();

    @Select("SELECT * FROM `tb_user` Limit 1")
    User selectOne();

    User selectUserByone();

    User selectUserById( int uid );

    User selectUserByIdandName(@Param("id") int uid,@Param("name") String username );

}