urbanops-module-garden/src/main/resources/mapper/waterfee/WaterFeeMapper.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.zteits.urbanops.module.garden.dal.mysql.waterfee.WaterFeeMapper">
    <select id="selectDuplicateIds" resultType="java.lang.Long">
        SELECT id
        FROM garden_water_fee
        WHERE
        <foreach collection="keyList" item="key" separator="OR">
            (fee_month = #{key.feeMonth} AND meter_code = #{key.meterCode})
        </foreach>
    </select>
</mapper>