adm/target/classes/com/minpay/db/table/own/mapper/SequenceMapper.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="com.minpay.db.table.own.mapper.SequenceMapper">

 
	<select id="getSequence" parameterType="String" resultType="String" flushCache="true">
       select nextval(#{_parameter,jdbcType=VARCHAR}) as sequenceNo 
    </select>

</mapper>