<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.ruoyi.account.mapper.TChargingCardMapper">
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<select id="selectCardPage" resultType="com.ruoyi.account.api.model.TChargingCard">
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SELECT id,
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card_no,
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balance,
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status,
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del_flag,
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create_time,
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create_by,
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update_time,
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update_by
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FROM t_charging_card
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WHERE del_flag = 0
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<if test="query.cardNo != null and query.cardNo != ''">
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AND card_no LIKE CONCAT('%', #{query.cardNo}, '%')
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</if>
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<if test="query.status != null">
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AND status = #{query.status}
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</if>
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ORDER BY create_time DESC, id DESC
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</select>
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<select id="selectExportList" resultType="com.ruoyi.account.api.dto.ChargingCardExcelDTO">
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SELECT card_no,
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balance,
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status
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FROM t_charging_card
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WHERE del_flag = 0
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<if test="query.cardNo != null and query.cardNo != ''">
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AND card_no LIKE CONCAT('%', #{query.cardNo}, '%')
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</if>
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<if test="query.status != null">
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AND status = #{query.status}
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</if>
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ORDER BY create_time DESC, id DESC
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</select>
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<select id="countByCardNo" resultType="int">
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SELECT COUNT(1)
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FROM t_charging_card
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WHERE card_no = #{cardNo}
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<if test="excludeId != null">
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AND id != #{excludeId}
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</if>
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</select>
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<!-- 人工调账：仍保持"增加不超过上限、扣减不低过 0"的运营约束，并叠加充电锁定条件兜底（V0.2 定稿） -->
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<update id="adjustBalance">
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UPDATE t_charging_card
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SET balance = balance
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<choose>
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<when test="type == 1">+ #{amount}</when>
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<otherwise>- #{amount}</otherwise>
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</choose>,
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update_time = NOW(),
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update_by = #{updateBy}
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WHERE del_flag = 0
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AND charging_flag = 0
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AND id IN
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<foreach collection="ids" item="id" open="(" separator="," close=")">
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#{id}
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</foreach>
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<choose>
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<when test="type == 1">
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AND balance <= #{maxAmount} - #{amount}
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</when>
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<otherwise>
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AND balance >= #{amount}
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</otherwise>
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</choose>
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</update>
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<insert id="insertBalanceRecord">
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INSERT INTO t_charging_card_balance_record
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(card_id, change_type, amount, remark, create_time, create_by)
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VALUES
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(#{cardId}, #{type}, #{amount}, #{remark}, NOW(), #{createBy})
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</insert>
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<!-- 锁定：仅空闲卡可锁定，条件更新防止同卡并发多单 -->
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<update id="lockCardForCharging">
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UPDATE t_charging_card
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SET charging_flag = 1,
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charging_order_code = #{orderCode},
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update_time = NOW()
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WHERE id = #{cardId}
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AND del_flag = 0
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AND charging_flag = 0
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</update>
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<!-- 解锁：带订单号比对，防止误释放其他进行中订单；已解锁（order_code 已清空）时影响行数为 0 -->
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<update id="unlockCardForCharging">
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UPDATE t_charging_card
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SET charging_flag = 0,
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charging_order_code = NULL,
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update_time = NOW()
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WHERE id = #{cardId}
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AND del_flag = 0
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AND charging_order_code = #{orderCode}
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</update>
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<!-- 订单结算原子扣款：只按卡 ID 扣减，禁止带 balance >= amount 下限条件，允许扣成负数 -->
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<update id="deductBalanceByCardId">
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UPDATE t_charging_card
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SET balance = balance - #{amount},
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update_time = NOW()
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WHERE id = #{cardId}
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AND del_flag = 0
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</update>
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<!-- 订单结算扣款流水：charging_order_code 唯一索引即扣款幂等键（uk_order_code） -->
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<insert id="insertOrderDeductRecord">
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INSERT INTO t_charging_card_balance_record
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(card_id, change_type, amount, remark, charging_order_code, create_time, create_by)
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VALUES
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(#{cardId}, 3, #{amount}, #{orderCode}, #{orderCode}, NOW(), #{createBy})
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</insert>
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</mapper>
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