feat(order): 添加支付相关接口和功能

- 新增获取支付参数接口和处理支付回调接口
- 实现支付参数获取和支付回调处理的逻辑
- 添加支付相关数据传输对象（DTO）
- 修改订单服务接口和实现类，增加支付相关方法

src/main/java/com/ycwl/basic/order/dto/PaymentCallbackResponse.java

@@ -0,0 +1,70 @@
+package com.ycwl.basic.order.dto;
+
+import lombok.Data;
+
+/**
+ * 支付回调响应DTO
+ */
+@Data
+public class PaymentCallbackResponse {
+    
+    /**
+     * 处理是否成功
+     */
+    private boolean success;
+    
+    /**
+     * 响应消息
+     */
+    private String message;
+    
+    /**
+     * 订单ID
+     */
+    private Long orderId;
+    
+    /**
+     * 订单号
+     */
+    private String orderNo;
+    
+    /**
+     * 支付状态变化类型
+     */
+    private String statusChangeType;
+    
+    /**
+     * 创建成功响应
+     */
+    public static PaymentCallbackResponse success(Long orderId, String orderNo, String statusChangeType) {
+        PaymentCallbackResponse response = new PaymentCallbackResponse();
+        response.success = true;
+        response.message = "回调处理成功";
+        response.orderId = orderId;
+        response.orderNo = orderNo;
+        response.statusChangeType = statusChangeType;
+        return response;
+    }
+    
+    /**
+     * 创建失败响应
+     */
+    public static PaymentCallbackResponse failure(String message) {
+        PaymentCallbackResponse response = new PaymentCallbackResponse();
+        response.success = false;
+        response.message = message;
+        return response;
+    }
+    
+    /**
+     * 创建失败响应（包含订单信息）
+     */
+    public static PaymentCallbackResponse failure(String message, Long orderId, String orderNo) {
+        PaymentCallbackResponse response = new PaymentCallbackResponse();
+        response.success = false;
+        response.message = message;
+        response.orderId = orderId;
+        response.orderNo = orderNo;
+        return response;
+    }
+}

src/main/java/com/ycwl/basic/order/dto/PaymentParamsRequest.java

@@ -0,0 +1,17 @@
+package com.ycwl.basic.order.dto;
+
+import lombok.Data;
+
+/**
+ * 获取支付参数请求DTO
+ * 所有参数都是可选的，系统会自动生成商品名称和描述
+ */
+@Data
+public class PaymentParamsRequest {
+    
+    // 预留字段，目前所有信息都由系统自动生成
+    // 可以在未来版本中扩展支持自定义参数
+    
+    public PaymentParamsRequest() {
+    }
+}

src/main/java/com/ycwl/basic/order/dto/PaymentParamsResponse.java

@@ -0,0 +1,76 @@
+package com.ycwl.basic.order.dto;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.Map;
+
+/**
+ * 支付参数响应DTO
+ */
+@Data
+public class PaymentParamsResponse {
+    
+    /**
+     * 订单ID
+     */
+    private Long orderId;
+    
+    /**
+     * 订单号
+     */
+    private String orderNo;
+    
+    /**
+     * 支付金额
+     */
+    private BigDecimal payAmount;
+    
+    /**
+     * 是否需要支付（false表示免费订单）
+     */
+    private Boolean needPay;
+    
+    /**
+     * 支付参数（微信小程序调起支付所需的参数）
+     * 包含：appId, timeStamp, nonceStr, package, signType, paySign等
+     */
+    private Map<String, Object> paymentParams;
+    
+    /**
+     * 支付描述信息
+     */
+    private String description;
+    
+    /**
+     * 商品名称
+     */
+    private String goodsName;
+    
+    /**
+     * 创建成功的支付参数响应
+     */
+    public static PaymentParamsResponse success(Long orderId, String orderNo, BigDecimal payAmount, 
+                                              Boolean needPay, Map<String, Object> paymentParams) {
+        PaymentParamsResponse response = new PaymentParamsResponse();
+        response.orderId = orderId;
+        response.orderNo = orderNo;
+        response.payAmount = payAmount;
+        response.needPay = needPay;
+        response.paymentParams = paymentParams;
+        return response;
+    }
+    
+    /**
+     * 创建免费订单的响应
+     */
+    public static PaymentParamsResponse free(Long orderId, String orderNo) {
+        PaymentParamsResponse response = new PaymentParamsResponse();
+        response.orderId = orderId;
+        response.orderNo = orderNo;
+        response.payAmount = BigDecimal.ZERO;
+        response.needPay = false;
+        response.paymentParams = null;
+        return response;
+    }
+}

src/main/java/com/ycwl/basic/order/service/IOrderService.java

@@ -6,6 +6,11 @@ import com.ycwl.basic.order.dto.*;
 import com.ycwl.basic.order.entity.OrderV2;
 import com.ycwl.basic.order.enums.RefundStatus;
 import com.ycwl.basic.pricing.dto.PriceCalculationResult;
+import com.ycwl.basic.order.dto.PaymentParamsRequest;
+import com.ycwl.basic.order.dto.PaymentParamsResponse;
+import com.ycwl.basic.order.dto.PaymentCallbackResponse;
+
+import jakarta.servlet.http.HttpServletRequest;
 
 /**
  * 订单服务接口
@@ -116,4 +121,25 @@ public interface IOrderService {
      * @return 分页结果
      */
     PageInfo<OrderV2ListResponse> pageOrdersByUser(OrderV2PageRequest request);
+    
+    // ====== 支付相关方法 ======
+    
+    /**
+     * 获取订单支付参数
+     * 
+     * @param orderId 订单ID
+     * @param userId 用户ID（用于权限验证和获取openId）
+     * @param request 支付参数请求
+     * @return 支付参数响应
+     */
+    PaymentParamsResponse getPaymentParams(Long orderId, Long userId, PaymentParamsRequest request);
+    
+    /**
+     * 处理支付回调
+     * 
+     * @param scenicId 景区ID
+     * @param request HTTP请求对象
+     * @return 回调处理结果
+     */
+    PaymentCallbackResponse handlePaymentCallback(Long scenicId, HttpServletRequest request);
 }

src/main/java/com/ycwl/basic/order/service/impl/OrderServiceImpl.java

@@ -4,6 +4,10 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.ycwl.basic.dto.MobileOrderRequest;
+import com.ycwl.basic.exception.BaseException;
+import com.ycwl.basic.mapper.MemberMapper;
+import com.ycwl.basic.model.pc.face.entity.FaceEntity;
+import com.ycwl.basic.model.pc.member.resp.MemberRespVO;
 import com.ycwl.basic.order.dto.*;
 import com.ycwl.basic.order.entity.OrderDiscountV2;
 import com.ycwl.basic.order.entity.OrderItemV2;
@@ -20,11 +24,19 @@ import com.ycwl.basic.pricing.dto.DiscountDetail;
 import com.ycwl.basic.pricing.dto.PriceCalculationResult;
 import com.ycwl.basic.pricing.dto.ProductItem;
 import com.ycwl.basic.pricing.dto.VoucherInfo;
+import com.ycwl.basic.pay.adapter.IPayAdapter;
+import com.ycwl.basic.pay.entity.CreateOrderRequest;
+import com.ycwl.basic.pay.entity.CreateOrderResponse;
+import com.ycwl.basic.pay.entity.PayResponse;
+import com.ycwl.basic.repository.FaceRepository;
+import com.ycwl.basic.service.pc.ScenicService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import jakarta.servlet.http.HttpServletRequest;
+
 import java.math.BigDecimal;
 import java.text.SimpleDateFormat;
 import java.util.Date;
@@ -44,12 +56,15 @@ public class OrderServiceImpl implements IOrderService {
     private final OrderDiscountMapper orderDiscountMapper;
     private final OrderRefundMapper orderRefundMapper;
     private final OrderEventManager orderEventManager;
+    private final ScenicService scenicService;
+    private final FaceRepository faceRepository;
+    private final MemberMapper memberMapper;
     
     @Override
     @Transactional
     public Long createOrder(MobileOrderRequest request, Long userId, Long scenicId, PriceCalculationResult priceResult) {
         Date now = new Date();
-        
+        MemberRespVO member = memberMapper.getById(userId);
         // 1. 生成订单号
         String orderNo = generateOrderNo();
         
@@ -57,7 +72,7 @@ public class OrderServiceImpl implements IOrderService {
         OrderV2 order = new OrderV2();
         order.setOrderNo(orderNo);
         order.setMemberId(userId);
-        order.setOpenId(request.getFaceId().toString()); // 临时使用faceId，实际应传入openId
+        order.setOpenId(member.getOpenId()); // 临时使用faceId，实际应传入openId
         order.setFaceId(request.getFaceId());
         order.setScenicId(scenicId);
         
@@ -527,4 +542,195 @@ public class OrderServiceImpl implements IOrderService {
         int random = (int) (Math.random() * 900) + 100;
         return "REFUND" + timestamp + random;
     }
+    
+    // ====== 支付相关方法实现 ======
+    
+    @Override
+    public PaymentParamsResponse getPaymentParams(Long orderId, Long userId, PaymentParamsRequest request) {
+        log.info("获取支付参数: orderId={}, userId={}", orderId, userId);
+        
+        // 1. 查询订单
+        OrderV2 order = orderV2Mapper.selectById(orderId);
+        if (order == null) {
+            throw new RuntimeException("订单不存在");
+        }
+        
+        // 2. 验证订单权限
+        if (!userId.equals(order.getMemberId())) {
+            throw new RuntimeException("无权获取该订单的支付参数");
+        }
+        
+        // 3. 验证订单状态
+        if (order.getPaymentStatus() != PaymentStatus.UNPAID) {
+            throw new RuntimeException("订单状态不允许支付");
+        }
+        
+        // 4. 获取用户openId（从订单中获取）
+        String openId = order.getOpenId();
+        if (openId == null || openId.trim().isEmpty()) {
+            throw new RuntimeException("用户openId不存在，无法发起支付");
+        }
+        
+        // 5. 检查是否为免费订单
+        if (order.getFinalAmount().compareTo(BigDecimal.ZERO) == 0) {
+            log.info("免费订单，无需支付: orderId={}", orderId);
+            return PaymentParamsResponse.free(orderId, order.getOrderNo());
+        }
+        
+        // 6. 获取景区支付适配器
+        IPayAdapter payAdapter = scenicService.getScenicPayAdapter(order.getScenicId());
+        
+        try {
+            // 7. 生成商品名称和描述
+            String goodsName = generateGoodsName(orderId);
+            String description = goodsName; // 直接使用商品名称作为描述
+            
+            // 8. 创建支付订单请求
+            CreateOrderRequest payRequest = new CreateOrderRequest()
+                    .setOrderNo(order.getOrderNo())
+                    .setPriceInCents(order.getFinalAmount().multiply(BigDecimal.valueOf(100)).intValue())
+                    .setDescription(description)
+                    .setGoodsName(goodsName)
+                    .setUserIdentify(openId)
+                    .setNotifyUrl("https://zhentuai.com/api/mobile/order/v2/payment/callback/" + order.getScenicId());
+            
+            // 9. 调用支付适配器创建订单
+            CreateOrderResponse payResponse = payAdapter.createOrder(payRequest);
+            
+            // 10. 获取支付参数
+            java.util.Map<String, Object> paymentParams = payAdapter.getPaymentParams(payResponse);
+            
+            // 11. 构建响应
+            PaymentParamsResponse response = PaymentParamsResponse.success(
+                orderId, 
+                order.getOrderNo(), 
+                order.getFinalAmount(),
+                !payResponse.isSkipPay(),
+                paymentParams
+            );
+            response.setDescription(description);
+            response.setGoodsName(goodsName);
+            
+            log.info("支付参数生成成功: orderId={}, needPay={}, amount={}", 
+                    orderId, !payResponse.isSkipPay(), order.getFinalAmount());
+            
+            return response;
+            
+        } catch (Exception e) {
+            log.error("获取支付参数失败: orderId={}, error={}", orderId, e.getMessage(), e);
+            throw new RuntimeException("获取支付参数失败: " + e.getMessage());
+        }
+    }
+    
+    @Override
+    public PaymentCallbackResponse handlePaymentCallback(Long scenicId, HttpServletRequest request) {
+        log.info("处理支付回调: scenicId={}", scenicId);
+        
+        try {
+            // 1. 获取支付适配器
+            IPayAdapter payAdapter = scenicService.getScenicPayAdapter(scenicId);
+            
+            // 2. 解析回调数据
+            PayResponse callbackResponse = payAdapter.handleCallback(request);
+            log.info("解析支付回调数据: {}", callbackResponse);
+            
+            if (callbackResponse == null || callbackResponse.getOrderNo() == null) {
+                return PaymentCallbackResponse.failure("回调数据解析失败");
+            }
+            
+            // 3. 查询订单
+            String orderNo = callbackResponse.getOrderNo();
+            OrderV2 order = getByOrderNo(orderNo);
+            if (order == null) {
+                return PaymentCallbackResponse.failure("订单不存在", null, orderNo);
+            }
+            
+            // 4. 处理不同的支付状态变更
+            String statusChangeType = null;
+            if (callbackResponse.isPay()) {
+                // 支付成功
+                statusChangeType = "PAID";
+                updatePaymentStatus(order.getId(), PaymentStatus.PAID.name());
+                
+                // 触发支付成功事件
+                orderEventManager.publishPaymentStatusChangeEvent(
+                    new PaymentStatusChangeEvent(order.getId(), PaymentStatus.PENDING, PaymentStatus.PAID)
+                );
+                
+            } else if (callbackResponse.isCancel()) {
+                // 支付取消
+                statusChangeType = "CANCELLED";
+                updatePaymentStatus(order.getId(), PaymentStatus.CANCELLED.name());
+                
+                // 触发支付取消事件
+                orderEventManager.publishPaymentStatusChangeEvent(
+                    new PaymentStatusChangeEvent(order.getId(), PaymentStatus.PENDING, PaymentStatus.CANCELLED)
+                );
+                
+            } else if (callbackResponse.isRefund()) {
+                // 退款
+                statusChangeType = "REFUNDED";
+                updateRefundStatus(order.getId(), RefundStatus.COMPLETED.name());
+                
+                // 触发退款事件
+                orderEventManager.publishRefundStatusChangeEvent(
+                    new RefundStatusChangeEvent(order.getId(), RefundStatus.PENDING, RefundStatus.COMPLETED)
+                );
+            }
+            
+            log.info("支付回调处理成功: orderId={}, orderNo={}, statusChangeType={}", 
+                    order.getId(), orderNo, statusChangeType);
+            
+            return PaymentCallbackResponse.success(order.getId(), orderNo, statusChangeType);
+            
+        } catch (Exception e) {
+            log.error("处理支付回调失败: scenicId={}, error={}", scenicId, e.getMessage(), e);
+            return PaymentCallbackResponse.failure("回调处理失败: " + e.getMessage());
+        }
+    }
+    
+    /**
+     * 生成商品名称
+     * 根据订单的商品类型生成用于支付页面展示的商品名称
+     * 如果是一种商品类型，显示具体类型名称；如果是多种，显示"多项景区商品"
+     */
+    private String generateGoodsName(Long orderId) {
+        // 查询订单商品明细
+        QueryWrapper<OrderItemV2> itemQuery = new QueryWrapper<>();
+        itemQuery.eq("order_id", orderId);
+        java.util.List<OrderItemV2> orderItems = orderItemMapper.selectList(itemQuery);
+        
+        if (orderItems.isEmpty()) {
+            return "景区商品";
+        }
+        
+        // 获取所有不同的商品类型
+        java.util.Set<String> productTypes = new java.util.HashSet<>();
+        for (OrderItemV2 item : orderItems) {
+            productTypes.add(item.getProductType());
+        }
+        
+        // 如果只有一种商品类型，返回具体类型名称
+        if (productTypes.size() == 1) {
+            String productType = productTypes.iterator().next();
+            return getProductTypeName(productType);
+        } else {
+            // 如果有多种商品类型，返回通用名称
+            return "多项景区商品";
+        }
+    }
+    
+    /**
+     * 获取商品类型中文名称
+     */
+    private String getProductTypeName(String productType) {
+        return switch (productType) {
+            case "VLOG_VIDEO" -> "Vlog视频";
+            case "RECORDING_SET" -> "录像集";
+            case "PHOTO_SET" -> "照相集";
+            case "PHOTO_PRINT" -> "照片打印";
+            case "MACHINE_PRINT" -> "一体机打印";
+            default -> "景区商品";
+        };
+    }
 }