package com.ruoyi.system.service.impl;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.system.config.ICBCConfig;
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import com.ruoyi.system.dto.BigGiftPlaceOrderDTO;
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import com.ruoyi.system.mapper.TBigGiftPackageMapper;
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import com.ruoyi.system.mapper.TBigGiftPackageOrderMapper;
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import com.ruoyi.system.mapper.TCompanyMapper;
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import com.ruoyi.system.model.TBigGiftPackage;
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import com.ruoyi.system.model.TBigGiftPackageOrder;
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import com.ruoyi.system.model.TCompany;
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import com.ruoyi.system.query.BigGiftPackageOrderQuery;
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import com.ruoyi.system.service.TBigGiftPackageOrderService;
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import com.ruoyi.system.utils.ICBCPayUtil;
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import com.ruoyi.system.utils.OrderCodeGenerator;
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import com.ruoyi.system.vo.PlaceOrderVO;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.math.BigDecimal;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 大礼包订单 服务实现类
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* </p>
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*
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* @author xiaochen
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* @since 2025-12-08
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*/
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@Slf4j
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@Service
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public class TBigGiftPackageOrderServiceImpl extends ServiceImpl<TBigGiftPackageOrderMapper, TBigGiftPackageOrder> implements TBigGiftPackageOrderService {
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@Resource
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private TCompanyMapper companyMapper;
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@Resource
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private TBigGiftPackageMapper bigGiftPackageMapper;
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@Autowired
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private ICBCPayUtil icbcPayUtil;
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@Autowired
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private ICBCConfig icbcConfig;
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@Override
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public List<TBigGiftPackageOrder> pageList(Page<TBigGiftPackageOrder> tBigGiftPackageOrderPage, BigGiftPackageOrderQuery query) {
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String sTime = null;
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String eTime = null;
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if(query.getTime()!=null && !query.getTime().isEmpty()){
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String[] split = query.getTime().split(" - ");
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sTime = split[0] + " 00:00:00";
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eTime = split[1] + " 23:59:59";
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}
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List<TBigGiftPackageOrder> tBigGiftPackageOrders = this.baseMapper.pageList(tBigGiftPackageOrderPage, query, sTime, eTime);
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if(!tBigGiftPackageOrders.isEmpty()){
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List<Integer> companyId = tBigGiftPackageOrders.stream().map(TBigGiftPackageOrder::getCompanyId).collect(Collectors.toList());
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List<TCompany> tCompanies = companyMapper.selectBatchIds(companyId);
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tBigGiftPackageOrders.forEach(tBigGiftPackageOrder -> {
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tBigGiftPackageOrder.setCompanyName(tCompanies.stream().filter(tCompany -> tCompany.getId().equals(tBigGiftPackageOrder.getCompanyId())).findFirst().get().getName());
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});
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List<Integer> goodsIds = tBigGiftPackageOrders.stream().map(TBigGiftPackageOrder::getBigGiftPackageId).collect(Collectors.toList());
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List<TBigGiftPackage> bigGiftPackages = bigGiftPackageMapper.selectBatchIds(goodsIds);
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tBigGiftPackageOrders.forEach(tBigGiftPackageOrder -> {
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tBigGiftPackageOrder.setBigGiftPackageName(bigGiftPackages.stream().filter(tBigGiftPackage -> tBigGiftPackage.getId().equals(tBigGiftPackageOrder.getBigGiftPackageId())).findFirst().get().getName());
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});
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}
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return tBigGiftPackageOrders ;
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}
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@Override
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public List<TBigGiftPackageOrder> export(BigGiftPackageOrderQuery query) {
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String sTime = null;
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String eTime = null;
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if(query.getTime()!=null && !query.getTime().isEmpty()){
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String[] split = query.getTime().split(" - ");
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sTime = split[0] + " 00:00:00";
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eTime = split[1] + " 23:59:59";
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}
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List<TBigGiftPackageOrder> tBigGiftPackageOrders = this.baseMapper.export(query, sTime, eTime);
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if(!tBigGiftPackageOrders.isEmpty()){
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List<Integer> companyId = tBigGiftPackageOrders.stream().map(TBigGiftPackageOrder::getCompanyId).collect(Collectors.toList());
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List<TCompany> tCompanies = companyMapper.selectBatchIds(companyId);
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tBigGiftPackageOrders.forEach(tBigGiftPackageOrder -> {
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tBigGiftPackageOrder.setCompanyName(tCompanies.stream().filter(tCompany -> tCompany.getId().equals(tBigGiftPackageOrder.getCompanyId())).findFirst().get().getName());
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});
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List<Integer> goodsIds = tBigGiftPackageOrders.stream().map(TBigGiftPackageOrder::getBigGiftPackageId).collect(Collectors.toList());
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List<TBigGiftPackage> bigGiftPackages = bigGiftPackageMapper.selectBatchIds(goodsIds);
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tBigGiftPackageOrders.forEach(tBigGiftPackageOrder -> {
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tBigGiftPackageOrder.setBigGiftPackageName(bigGiftPackages.stream().filter(tBigGiftPackage -> tBigGiftPackage.getId().equals(tBigGiftPackageOrder.getBigGiftPackageId())).findFirst().get().getName());
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});
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}
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return tBigGiftPackageOrders ;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public PlaceOrderVO placeOrder(BigGiftPlaceOrderDTO dto, Integer appUserId, String openid) {
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// 1. 校验商品是否存在
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TBigGiftPackage bigGiftPackage = bigGiftPackageMapper.selectById(dto.getBigGiftPackageId());
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if (bigGiftPackage == null) {
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throw new ServiceException("商品不存在");
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}
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// 2. 校验库存是否充足
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if (bigGiftPackage.getInventory() == null || bigGiftPackage.getInventory() < dto.getQuantity()) {
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throw new ServiceException("商品库存不足");
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}
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// 3. 校验支付方式
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if (dto.getPaymentType() != 1 && dto.getPaymentType() != 2) {
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throw new ServiceException("支付方式不正确");
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}
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// 4. 使用乐观锁扣减库存（防止超卖）
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int updatedRows = bigGiftPackageMapper.deductInventory(dto.getBigGiftPackageId(), dto.getQuantity());
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if (updatedRows == 0) {
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throw new ServiceException("商品库存不足，请稍后重试");
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}
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// 5. 计算支付金额
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BigDecimal paymentAmount;
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if (dto.getPaymentType() == 1) {
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// 订金+尾款模式，先支付订金
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paymentAmount = bigGiftPackage.getDeposit().multiply(new BigDecimal(dto.getQuantity()));
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} else {
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// 全款模式
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paymentAmount = bigGiftPackage.getTotalPrice().multiply(new BigDecimal(dto.getQuantity()));
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}
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// 6. 先生成支付订单号（所有订单共用同一个支付订单号，便于支付回调时查询）
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String payOrderCode = OrderCodeGenerator.generateBigGiftPayOrderCode();
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// 7. 批量创建订单
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List<TBigGiftPackageOrder> orderList = new ArrayList<>();
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List<String> orderCodes = new ArrayList<>();
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String goodsJson = JSON.toJSONString(bigGiftPackage);
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LocalDateTime now = LocalDateTime.now();
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for (int i = 0; i < dto.getQuantity(); i++) {
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TBigGiftPackageOrder order = new TBigGiftPackageOrder();
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String orderCode = OrderCodeGenerator.generateBigGiftOrderCode();
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order.setCode(orderCode);
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order.setPayOrderCode(payOrderCode);
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order.setAppUserId(appUserId);
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order.setCreateTime(now);
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order.setBigGiftPackageId(dto.getBigGiftPackageId());
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order.setBigGiftPackage(goodsJson);
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order.setOrderPrice(bigGiftPackage.getTotalPrice());
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order.setDeposit(bigGiftPackage.getDeposit());
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order.setFinalPayment(bigGiftPackage.getTotalPrice().subtract(bigGiftPackage.getDeposit()));
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order.setPaymentType(dto.getPaymentType());
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order.setEffectDayFlag(dto.getEffectDayFlag());
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// 订单状态：1=待付款
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order.setStatus(1);
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order.setDelFlag(0);
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orderList.add(order);
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orderCodes.add(orderCode);
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}
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// 批量插入订单
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this.saveBatch(orderList);
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// 获取订单ID列表
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List<Integer> orderIds = orderList.stream()
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.map(TBigGiftPackageOrder::getId)
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.collect(Collectors.toList());
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// 8. 调用工行支付
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log.info("大礼包下单，支付订单号：{}，业务订单号：{}，支付金额：{}，用户ID：{}", payOrderCode, orderCodes, paymentAmount, appUserId);
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JSONObject paymentParams = icbcPayUtil.wechatPay(payOrderCode, paymentAmount, bigGiftPackage.getName(), openid,
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icbcConfig.getNotifyUrl() + "/big-gift/pay-notify");
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// 9. 构建返回结果
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PlaceOrderVO vo = new PlaceOrderVO();
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vo.setOrderIds(orderIds);
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vo.setOrderCodes(orderCodes);
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vo.setPaymentParams(paymentParams);
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return vo;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public PlaceOrderVO payFinalPayment(Integer orderId, Integer appUserId, String openid) {
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// 1. 查询订单
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TBigGiftPackageOrder order = this.getById(orderId);
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if (order == null) {
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throw new ServiceException("订单不存在");
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}
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// 2. 校验订单归属
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if (!order.getAppUserId().equals(appUserId)) {
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throw new ServiceException("无权操作此订单");
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}
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// 3. 校验支付方式（必须是订金+尾款模式）
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if (order.getPaymentType() != 1) {
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throw new ServiceException("该订单不支持尾款支付");
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}
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// 4. 校验订单状态（必须是已付订金状态）
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if (order.getStatus() != 2) {
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throw new ServiceException("订单状态不正确，无法支付尾款");
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}
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// 5. 获取尾款金额
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BigDecimal finalPayment = order.getFinalPayment();
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if (finalPayment == null || finalPayment.compareTo(BigDecimal.ZERO) <= 0) {
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throw new ServiceException("尾款金额异常");
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}
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// 6. 生成尾款支付订单号
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String finalPayOrderCode = OrderCodeGenerator.generateBigGiftFinalPayOrderCode();
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// 7. 调用工行支付
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log.info("大礼包尾款支付，订单ID：{}，支付订单号：{}，尾款金额：{}，用户ID：{}", orderId, finalPayOrderCode, finalPayment, appUserId);
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JSONObject paymentParams = icbcPayUtil.wechatPay(finalPayOrderCode, finalPayment, "大礼包尾款", openid,
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icbcConfig.getNotifyUrl() + "/big-gift/final-pay-notify");
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// 8. 构建返回结果
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PlaceOrderVO vo = new PlaceOrderVO();
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vo.setOrderIds(Collections.singletonList(orderId));
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vo.setOrderCodes(Collections.singletonList(order.getCode()));
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vo.setPaymentParams(paymentParams);
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return vo;
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}
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}
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