settle_down_management/pro-base/src/main/resources/mybatis/customerManagement/CustomerManagementExtendMapper.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.idea.customerManagement.mapper.CustomerManagementExtendMapper">


  <select id="listByModel" resultType="com.idea.customerManagement.dto.CustomerManagementDto">
    select customer_management.*,
           concat(park_info.group_name,park_floor_disc.name) groupDiscName
    from customer_management
    left join park_info on park_info.id = customer_management.group_id
    left join park_floor_disc on park_floor_disc.id = customer_management.disc_id
    <where>
      <if test="buyerName != null and buyerName != ''">
        and buyer_name like concat ('%',#{buyerName},'%')
      </if>
      <if test="status != null and status != ''">
        and status = #{status}
      </if>
      <if test="groupIdList != null">
        and customer_management.group_id in
        <foreach collection="groupIdList" item="groupId" open="(" close=")" separator="," >
          #{groupId}
        </foreach>
      </if>
      <if test="discIdList != null">
        and disc_id in
        <foreach collection="discIdList" item="groupId" open="(" close=")" separator="," >
          #{groupId}
        </foreach>
      </if>
    </where>
    order by batch_number + 0 desc,room_selection_number + 0 asc
  </select>

    <select id="selectNeedSendList" resultType="com.idea.customerManagement.dto.CustomerManagementDto">
      select c.*,b.name buyerName,b.identity_card from customer_management c
      left join buyer b on c.id = b.customer_management_id and b.order_num = 1
      where c.ncid is null or c.ncid = ''
    </select>
</mapper>