fix:feign的使用

springcloud-service-portal/pom.xml

@@ -34,6 +34,13 @@
         </dependency>
 
 
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-feign</artifactId>
+            <version>1.4.7.RELEASE</version>
+        </dependency>
+
+
     </dependencies>
 
     <build>

springcloud-service-portal/src/main/java/com/kwan/springcloud/PortalApplication.java

@@ -3,7 +3,10 @@ package com.kwan.springcloud;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 
+
+@EnableFeignClients
 @EnableEurekaClient
 @SpringBootApplication
 public class PortalApplication {

springcloud-service-portal/src/main/java/com/kwan/springcloud/api/ComputeClient.java

+package com.kwan.springcloud.api;
+
+import com.kwan.springcloud.response.Result;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+import java.io.Serializable;
+
+/**
+ * 使用feign配置goods-service服务
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2023/1/10 13:45
+ */
+@FeignClient("goods-service/kwanGoodsInfo")
+public interface ComputeClient {
+
+    @RequestMapping(method = RequestMethod.GET, value = "{id}", produces = MediaType.APPLICATION_PROBLEM_JSON_VALUE)
+    Result selectOne(@PathVariable Serializable id);
+
+}

springcloud-service-portal/src/main/java/com/kwan/springcloud/controller/FeignController.java

+package com.kwan.springcloud.controller;
+
+import com.kwan.springcloud.api.ComputeClient;
+import com.kwan.springcloud.response.Result;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.io.Serializable;
+
+
+/**
+ * portal控制器
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2023/1/8 11:12
+ */
+@RestController
+@RequestMapping("feign")
+public class FeignController {
+
+    @Autowired
+    private ComputeClient computeClient;
+
+
+    /**
+     * 通过主键查询单条数据
+     *
+     * @param id 主键
+     * @return 单条数据
+     */
+    @GetMapping(value = "{id}", produces = MediaType.APPLICATION_PROBLEM_JSON_VALUE)
+    public Result selectOne(@PathVariable Serializable id) {
+        //调用远程的controller
+        return computeClient.selectOne(id);
+    }
+}
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