ttc_5.0/ttc-backen/target/classes/mapper/SmsMapper.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">
<mapper namespace="cn.ubitech.ttc.dao.SmsMapper">
    <select id="selectSmsId" resultType="java.lang.Integer">
        SELECT
        smsid
        FROM sms
        order by smsid desc
    </select>
</mapper>