订单支付金额为0时问题解决。

consumer/src/main/java/cn/lili/event/impl/OrderStatusHandlerExecute.java

@@ -0,0 +1,31 @@
+package cn.lili.event.impl;
+
+import cn.lili.event.TradeEvent;
+import cn.lili.modules.order.cart.entity.dto.TradeDTO;
+import cn.lili.modules.order.order.service.TradeService;
+import cn.lili.modules.payment.kit.enums.PaymentMethodEnum;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+/**
+ * 订单状态处理类
+ *
+ * @author Chopper
+ * @date 2020-07-03 11:20
+ **/
+@Service
+public class OrderStatusHandlerExecute implements TradeEvent {
+
+
+    @Autowired
+    private TradeService tradeService;
+
+    @Override
+    public void orderCreate(TradeDTO tradeDTO) {
+        //如果订单需要支付金额为0，则将订单步入到下一个流程
+        if (tradeDTO.getPriceDetailDTO().getFlowPrice() <= 0) {
+            tradeService.payTrade(tradeDTO.getSn(), PaymentMethodEnum.BANK_TRANSFER.name(), "-1");
+        }
+
+    }
+}