feat(order): 添加订单创建时间和过期时间设置功能

- 引入 LocalDateTime 用于时间操作
- 在订单创建时自动设置 createTime 和 updateTime
- 设置订单默认10分钟过期时间用于支付校验
- 确保时间戳只在为空时进行初始化避免覆盖
- 统一在服务层和控制层实现时间设置逻辑

src/main/java/com/gxwebsoft/shop/controller/ShopOrderController.java

@@ -148,6 +148,17 @@ public class ShopOrderController extends BaseController {
             shopOrder.setUserId(loginUser.getUserId());
             shopOrder.setOpenid(loginUser.getOpenid());
             shopOrder.setPayUserId(loginUser.getUserId());
+
+            // 下单时间 & 订单过期时间：默认下单后10分钟过期（用于发起支付等场景校验）
+            LocalDateTime now = LocalDateTime.now();
+            if (shopOrder.getCreateTime() == null) {
+                shopOrder.setCreateTime(now);
+            }
+            if (shopOrder.getUpdateTime() == null) {
+                shopOrder.setUpdateTime(now);
+            }
+            shopOrder.setExpirationTime(shopOrder.getCreateTime().plusMinutes(10));
+
             if (shopOrder.getOrderNo() == null) {
                 shopOrder.setOrderNo(Long.toString(IdUtil.getSnowflakeNextId()));
             }

src/main/java/com/gxwebsoft/shop/service/OrderBusinessService.java

@@ -16,6 +16,7 @@ import org.springframework.util.CollectionUtils;
 import javax.annotation.Resource;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -244,6 +245,16 @@ public class OrderBusinessService {
         // 复制请求参数到订单对象
         BeanUtils.copyProperties(request, shopOrder);
 
+        // 下单时间 & 订单过期时间：默认下单后10分钟过期（用于发起支付等场景校验）
+        LocalDateTime now = LocalDateTime.now();
+        if (shopOrder.getCreateTime() == null) {
+            shopOrder.setCreateTime(now);
+        }
+        if (shopOrder.getUpdateTime() == null) {
+            shopOrder.setUpdateTime(now);
+        }
+        shopOrder.setExpirationTime(shopOrder.getCreateTime().plusMinutes(10));
+
         // 确保租户ID正确设置（关键字段，影响微信支付证书路径）
         shopOrder.setTenantId(loginUser.getTenantId());