完成下单服务的完整流程。

01-placeorder/src/main/java/com/mashibing/PlaceOrderStarterApp.java

@@ -3,6 +3,7 @@ package com.mashibing;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 
 /**
  * @author zjw
@@ -10,6 +11,7 @@ import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
  */
 @SpringBootApplication
 @EnableDiscoveryClient
+@EnableFeignClients
 public class PlaceOrderStarterApp {
 
     public static void main(String[] args) {

01-placeorder/src/main/java/com/mashibing/client/BusinessClient.java

@@ -0,0 +1,15 @@
+package com.mashibing.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * @author zjw
+ * @description
+ */
+@FeignClient(value = "business")
+public interface BusinessClient {
+
+    @GetMapping("/notify")
+    public void notifyBusiness();
+}

01-placeorder/src/main/java/com/mashibing/client/CouponClient.java

@@ -0,0 +1,15 @@
+package com.mashibing.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * @author zjw
+ * @description
+ */
+@FeignClient(value = "coupon")
+public interface CouponClient {
+
+    @GetMapping("/coupon")
+    public void coupon();
+}

01-placeorder/src/main/java/com/mashibing/client/ItemStockClient.java

@@ -0,0 +1,15 @@
+package com.mashibing.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * @author zjw
+ * @description
+ */
+@FeignClient(value = "itemstock")
+public interface ItemStockClient {
+
+    @GetMapping("/decr")
+    public void decr();
+}

01-placeorder/src/main/java/com/mashibing/client/OrderManageClient.java

@@ -0,0 +1,15 @@
+package com.mashibing.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * @author zjw
+ * @description
+ */
+@FeignClient(value = "ordermanage")
+public interface OrderManageClient {
+
+    @GetMapping("create")
+    public void create();
+}

01-placeorder/src/main/java/com/mashibing/client/UserPointsClient.java

@@ -0,0 +1,15 @@
+package com.mashibing.client;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+
+/**
+ * @author zjw
+ * @description
+ */
+@FeignClient(value = "userpoints")
+public interface UserPointsClient {
+
+    @GetMapping("/up")
+    public void up();
+}

01-placeorder/src/main/java/com/mashibing/controller/PlaceOrderController.java

@@ -1,5 +1,7 @@
 package com.mashibing.controller;
 
+import com.mashibing.client.*;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -10,22 +12,38 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class PlaceOrderController {
 
+    @Autowired
+    private ItemStockClient itemStockClient;
+    @Autowired
+    private OrderManageClient orderManageClient;
+    @Autowired
+    private CouponClient couponClient;
+    @Autowired
+    private UserPointsClient userPointsClient;
+    @Autowired
+    private BusinessClient businessClient;
+
+
     /**
      * 模拟用户下单操作
      * @return
      */
     @GetMapping("/po")
     public String po(){
+        long start = System.currentTimeMillis();
         //1、调用库存服务扣除商品库存
-
+        itemStockClient.decr();
         //2、调用订单服务，创建订单
-
+        orderManageClient.create();
         //3、调用优惠券服务，预扣除使用的优惠券
-
+        couponClient.coupon();
         //4、调用用户积分服务，预扣除用户使用的积分
-
+        userPointsClient.up();
         //5、调用商家服务，通知商家用户已下单
+        businessClient.notifyBusiness();
 
+        long end = System.currentTimeMillis();
+        System.out.println(end - start);
         return "place order is ok!";
     }