huimv-deqing-huyang/huimv-huyang-admin/target/classes/mapper/ProtSheepInfoMapper.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.huimv.admin.mapper.ProtSheepInfoMapper">

    <update id="updateDayAge">
        update prot_sheep_info set sheep_day=sheep_day + 1 where is_leave=0;

    </update>
</mapper>