<?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.huaheng.pc.receipt.receiptDetail.mapper.ReceiptDetailMapper"> <select id="SelectFirstStatus" resultType="java.lang.Integer"> SELECT firstStatus FROM receipt_header h INNER JOIN receipt_detail d ON h.id = d.receiptId AND d.id IN (#{ids}) GROUP BY h.id,firstStatus </select> <delete id="batchDelete"> DELETE FROM receipt_detail WHERE id in (#{ids}) </delete> </mapper>