feat(openFeign): 调用第三方接口和微服务调用

service/cloud-demo1/src/main/java/cn/bunny/controller/CloudController.java

@@ -1,10 +1,11 @@
 package cn.bunny.controller;
 
+import cn.bunny.feign.CallOtherApiFeignClient;
 import cn.bunny.feign.CloudFeignClient;
-import cn.bunny.feign.CloudFeignClient1;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -14,11 +15,12 @@ import org.springframework.web.bind.annotation.RestController;
 @RequestMapping("/api")
 public class CloudController {
 
+    @Qualifier("cn.bunny.feign.CloudFeignClient")
     @Autowired
     private CloudFeignClient cloudFeignClient;
 
     @Autowired
-    private CloudFeignClient1 cloudFeignClient1;
+    private CallOtherApiFeignClient callOtherApiFeignClient;
 
     @Operation(summary = "本体接口调用", description = "feignCloud2")
     @GetMapping("feignCloud1")
@@ -26,10 +28,10 @@ public class CloudController {
         return "feignCloud1：" + id;
     }
 
-    @Operation(summary = "调用cloud2中的接口")
+    @Operation(summary = "使用OpenFeign调用其它第三方API")
-    @GetMapping("feignAccept1")
+    @GetMapping("posts")
-    public String feignAccept1() {
+    public Object posts() {
-        return cloudFeignClient1.feignAccept1();
+        return callOtherApiFeignClient.posts("sss");
     }
 
     @Operation(summary = "调用服务2中接口", description = "feignByCloud2")

service/cloud-demo1/src/main/java/cn/bunny/feign/CallOtherApiFeignClient.java

@@ -0,0 +1,12 @@
+package cn.bunny.feign;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+@FeignClient(value = "third-party-service", url = "http://jsonplaceholder.typicode.com")
+public interface CallOtherApiFeignClient {
+
+    @GetMapping("/posts")
+    Object posts(@RequestParam("skey") String skey);
+}

service/cloud-demo1/src/main/java/cn/bunny/feign/CloudFeignClient.java

@@ -1,11 +1,9 @@
 package cn.bunny.feign;
 
 import org.springframework.cloud.openfeign.FeignClient;
-import org.springframework.stereotype.Component;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
-@Component
 @FeignClient(value = "service-cloud2", path = "/api")
 public interface CloudFeignClient {
 

service/cloud-demo1/src/main/java/cn/bunny/feign/CloudFeignClient1.java

@@ -1,10 +0,0 @@
-package cn.bunny.feign;
-
-import org.springframework.cloud.openfeign.FeignClient;
-import org.springframework.web.bind.annotation.GetMapping;
-
-@FeignClient(value = "service-cloud2", path = "/api")
-public interface CloudFeignClient1 {
-    @GetMapping("feignAccept1")
-    String feignAccept1();
-}

service/cloud-demo1/src/main/java/cn/bunny/feign/fallback/CloudFeignClientFallBack.java

@@ -1,13 +0,0 @@
-package cn.bunny.feign.fallback;
-
-import cn.bunny.feign.CloudFeignClient1;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class CloudFeignClientFallBack implements CloudFeignClient1 {
-
-    @Override
-    public String feignAccept1() {
-        return "出错了的回调";
-    }
-}

service/cloud-demo1/src/main/java/cn/bunny/feign/fallback/CloudFeignFallBackClientFallBack.java

@@ -0,0 +1,13 @@
+package cn.bunny.feign.fallback;
+
+import cn.bunny.feign.CloudFeignClient;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class CloudFeignFallBackClientFallBack implements CloudFeignClient {
+
+    @Override
+    public String getFeignCloud2(Long id) {
+        return "getFeignCloud2 出错了的回调";
+    }
+}

service/cloud-demo1/src/main/resources/application.yml

@@ -1,6 +1,5 @@
 server:
   port: 8000
-
 spring:
   application:
     name: service-cloud1
@@ -25,4 +24,6 @@ spring:
           min-request-size: 4096 # 压缩最小值 为4096 = 4KB
         # 压缩响应请求
         response:
-          enabled: true
+          enabled: true
+#  main:
+#    allow-bean-definition-overriding: true

service/cloud-demo1/src/test/java/cn/bunny/AppTest.java

@@ -1,38 +0,0 @@
-package cn.bunny;
-
-import junit.framework.Test;
-import junit.framework.TestCase;
-import junit.framework.TestSuite;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest 
-    extends TestCase
-{
-    /**
-     * Create the test case
-     *
-     * @param testName name of the test case
-     */
-    public AppTest( String testName )
-    {
-        super( testName );
-    }
-
-    /**
-     * @return the suite of tests being tested
-     */
-    public static Test suite()
-    {
-        return new TestSuite( AppTest.class );
-    }
-
-    /**
-     * Rigourous Test :-)
-     */
-    public void testApp()
-    {
-        assertTrue( true );
-    }
-}

service/cloud-demo2/src/main/java/cn/bunny/controller/CloudController.java

@@ -22,12 +22,6 @@ public class CloudController {
         return "feign：" + id;
     }
 
-    @Operation(summary = "接受其他接口调用1", description = "接受其他接口调用1")
-    @GetMapping("feignAccept1")
-    public String feignAccept1() {
-        return "feignAccept1---成功";
-    }
-
     @Operation(summary = "调用服务1中接口", description = "feignByCloud1")
     @GetMapping("feignByCloud1")
     public String feignByCloud1(Long id) {

service/cloud-demo2/src/test/java/cn/bunny/AppTest.java

@@ -1,38 +0,0 @@
-package cn.bunny;
-
-import junit.framework.Test;
-import junit.framework.TestCase;
-import junit.framework.TestSuite;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest 
-    extends TestCase
-{
-    /**
-     * Create the test case
-     *
-     * @param testName name of the test case
-     */
-    public AppTest( String testName )
-    {
-        super( testName );
-    }
-
-    /**
-     * @return the suite of tests being tested
-     */
-    public static Test suite()
-    {
-        return new TestSuite( AppTest.class );
-    }
-
-    /**
-     * Rigourous Test :-)
-     */
-    public void testApp()
-    {
-        assertTrue( true );
-    }
-}