authentication/ResourceServer/src/main/resources/config/UserMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.apache.servicecomb.samples.porter.user.dao.UserMapper">
    <resultMap id="userInfo" type="org.apache.servicecomb.samples.porter.user.dao.UserInfo">
        <result column="ID" jdbcType="INTEGER" property="id" />
        <result column="USER_NAME" jdbcType="VARCHAR" property="userName" />
        <result column="PASSWORD" jdbcType="VARCHAR" property="password" />
        <result column="ROLE_NAME" jdbcType="VARCHAR" property="roleName" />
    </resultMap>

    <sql id="all_column">
        ID, USER_NAME, PASSWORD, ROLE_NAME
    </sql>

    <insert id="createUser" parameterType="org.apache.servicecomb.samples.porter.user.dao.UserInfo">
        insert into T_USER (
        <include refid="all_column" />
        )
        values (#{id,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR},
        #{password,jdbcType=VARCHAR},#{roleName,jdbcType=VARCHAR})
    </insert>

    <select id="getUserInfo" parameterType="java.lang.String"
        resultMap="userInfo">
        select
        <include refid="all_column" />
        from T_USER where USER_NAME = #{0,jdbcType=VARCHAR}
    </select>
</mapper>