订单号生成

src/main/java/com/izouma/dingdong/service/OrderInfoService.java

@@ -36,6 +36,7 @@ import org.springframework.stereotype.Service;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 
 @Service
@@ -112,6 +113,8 @@ public class OrderInfoService {
         orderInfo.setEnabled(true);
 //        orderInfo.setGoodsAmount(cart.getRealAmount().subtract(cart.getDeliveryAmount()));
 
+        orderInfo.setOrderNo(user.getId() + "" + LocalDateTime.parse(now.toString(), DateTimeFormatter.ofPattern("yyyyMMddHHmmss")));
+
         //如果未设置预计到达为15分钟
         if (ObjectUtil.isEmpty(merchantSettings.getPreparationTime())) {
             merchantSettings.setPreparationTime(15L);