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@@ -213,21 +213,63 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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) AS sub
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ORDER BY nNum DESC;
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</select>
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+
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<select id="selectMerchantList" resultType="com.ylx.project.domain.bookMerchant.vo.BookMerchantVO">
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SELECT
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- mp.id,
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- mp.merchant_id AS merchantId,
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- m.te_nick_name AS merchantNickName,
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- m.te_avatar AS merchantAvatar,
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- m.n_star AS merchantStar,
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- mp.project_current_price AS currentPrice,
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- mp.project_users_num AS servedCount
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- FROM ma_project mp
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- LEFT JOIN ma_technician m ON mp.merchant_id = m.id
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- WHERE mp.project_id = #{projectId}
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- AND mp.audit_status = 1 -- 仅展示审核通过的
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- AND mp.project_is_enable = 0 -- 未申请下架
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- AND mp.is_delete = 0
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- ORDER BY mp.project_users_num DESC -- 按真实销量降序排列
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+ p.id,
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+ t.id AS merchantId,
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+ t.te_nick_name AS merchantNickName,
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+ t.te_avatar AS merchantAvatar,
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+ t.n_star AS merchantStar,
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+ t.n_num AS servedCount,
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+ p.project_id AS projectId,
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+ p.project_current_price AS currentPrice,
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+ <!-- 距离展示文本：米/千米格式化 -->
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+ CASE calc.distanceMeter
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+ WHEN 999999999 THEN '未知'
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+ WHEN calc.distanceMeter < 1000 THEN CONCAT(ROUND(calc.distanceMeter, 0), 'm')
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+ ELSE CONCAT(ROUND(calc.distanceMeter / 1000, 2), 'km')
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+ END AS distanceStr,
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+ calc.distanceMeter AS distanceText
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+ FROM ma_technician t
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+ INNER JOIN ma_project p ON t.id = p.merchant_id
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+ LEFT JOIN t_address addr ON t.id = addr.merchant_id AND addr.type = 1 AND addr.is_delete = 0
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+ <!-- 子查询统一计算距离，消除公式重复 -->
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+ LEFT JOIN (
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+ SELECT
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+ addr_sub.id AS addrId,
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+ <!-- 有用户坐标+技师有效坐标才计算距离，否则给超大值 -->
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+ <if test="dto.latitude != null and dto.longitude != null and dto.latitude != 0 and dto.longitude != 0">
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+ IF(addr_sub.latitude IS NULL OR addr_sub.longitude IS NULL OR addr_sub.latitude=0 OR addr_sub.longitude=0,
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+ 999999999,
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+ ROUND(6371 * ACOS(
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+ COS(RADIANS(#{dto.latitude})) * COS(RADIANS(addr_sub.latitude))
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+ * COS(RADIANS(addr_sub.longitude) - RADIANS(#{dto.longitude}))
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+ + SIN(RADIANS(#{dto.latitude})) * SIN(RADIANS(addr_sub.latitude))
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+ ) * 1000)
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+ </if>
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+ <if test="dto.latitude == null or dto.longitude == null or dto.latitude == 0 or dto.longitude == 0">
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+ 999999999
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+ </if> AS distanceMeter
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+ FROM t_address addr_sub
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+ ) calc ON addr.id = calc.addrId
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+
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+ WHERE
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+ p.project_id = #{dto.projectId}
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+ AND p.audit_status = 1
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+ AND p.is_delete = 0
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+ AND addr.latitude != 0 AND addr.longitude != 0
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+
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+ <!-- 动态排序 -->
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+ <trim prefix="ORDER BY">
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+ <choose>
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+ <when test="dto.latitude != null and dto.longitude != null and dto.latitude != 0 and dto.longitude != 0">
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+ distanceMeter ASC, t.n_num DESC
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+ </when>
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+ <otherwise>
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+ t.n_num DESC
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+ </otherwise>
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+ </choose>
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+ </trim>
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</select>
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</mapper>
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wangzhijun