mybatis的xml头文件

<?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.kuang.mapper.UserMapper">

    <select id="queryUserByName" parameterType="String" resultType="com.kuang.pojo.User">
        select * from user where name = #{name}
    </select>

</mapper>