<?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="myspring.user.dao.UserMapper">

<select id="selectUserById" parameterType="string" resultType="User">

select * from users where userid=#{id}

</select>

<select id="selectUserList" resultType="User"> <!-- resultType, list -->

select * from users order by userid

</select>

<insert id="insertUser" parameterType="User">

insert into users values(#{userId},#{name},#{gender},#{city} )

</insert>

<update id="updateUser" parameterType="User">

update users set

name =

#{name},

gender = #{gender},

city = #{city}

where userid = #{userId}

</update>

<delete id="deleteUser" parameterType="string">

delete from users where

userid = #{value}

</delete>

</mapper>