iamberry-common-parent/iamberry-wechat-service/src/main/java/com/iamberry/wechat/service/mapper/phoneCodeMapper.xml

<?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">
<!-- 命名，每一个映射对象不一样
	namespace:必须与对应的接口全类名一致
 -->
<mapper namespace="com.iamberry.wechat.service.mapper.PhoneCodeMapper">

    <!-- 获取单条手机验证码信息 -->
    <select id="getPhoneCode" parameterType="PhoneCode" resultType="PhoneCode">
      SELECT
        *
      FROM
        tb_iamberry_phone_code
      WHERE
        code_tel = #{codeTel}
    </select>
</mapper>