EnableFeignClients基本配置

pom.xml

<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-feign</artifactId>
            <version>1.3.1.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>1.5.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.3</version>
        </dependency>
 
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
            <version>1.3.1.RELEASE</version>
        </dependency>

spring 配置

spring:
  application:
    name: service-feign
server:
  port: 8762
eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/

启动类

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.feign.EnableFeignClients;
 
@EnableFeignClients
@EnableDiscoveryClient
@SpringBootApplication
public class App
{
    public static void main( String[] args )
    {
        SpringApplication.run(App.class, args);
    }
}

测试Controller

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class TestController {
    @Autowired
    private TestService testService;
 
    @RequestMapping(value = "/hi", method = RequestMethod.GET)
    public String sayHi(@RequestParam String name) {
        return testService.testGet(1L);
    }
}

测试Service

import org.springframework.cloud.netflix.feign.FeignClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
 
@FeignClient(value = "uninoty")
public interface TestService {
 
    @RequestMapping(value = "/manage/sms/msg/{id}",method = RequestMethod.GET)
    String testGet(@RequestParam(value="id") Long id);
}