<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.njuzhy.demo.dao.UserDao">

<insert id="save" parameterType="com.njuzhy.demo.data.User" useGeneratedKeys="true" keyProperty="uid">

insert into `user` (username, password) VALUES (#{username}, #{password})

</insert>

<select id="getUserByUsername" resultMap="User">

select * from `user` where username = #{username}

</select>

<resultMap id="User" type="com.njuzhy.demo.data.User">

<id column="uid" property="uid"></id>

<result column="username" property="username"></result>

<result column="password" property="password"></result>

</resultMap>

</mapper>