Spring Cloud feign

2019-11-10 20:36:44

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pom文件

导入包

<dependency> <groupId>com.netflix.feign</groupId> <artifactId>feign-httpclient</artifactId> <version>${feign-httpclient.version}</version> </dependency> <dependency> <groupId>com.netflix.feign</groupId> <artifactId>feign-core</artifactId> <version>${feign-httpclient.version}</version> </dependency> <dependency> <groupId>com.netflix.feign</groupId> <artifactId>feign-gson</artifactId> <version>${feign-httpclient.version}</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-config</artifactId> <version>1.2.2.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter</artifactId> <version>1.1.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-config-client</artifactId> <version>1.2.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> <version>1.2.4.RELEASE</version> </dependency>  <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-ribbon</artifactId> <version>1.2.5.RELEASE</version> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-feign</artifactId> <version>1.2.5.RELEASE</version> </dependency>

写一个接口 FeignInterface

import org.springframework.cloud.netflix.feign.FeignClient;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RequestParam;import java.util.List;/** * Created by Administrator on 2017/2/5. */@FeignClient(name="ribbonserver", url="http://localhost:8080")public interface FeignInterface { @RequestMapping(value = "/baseBackStage/index", method = RequestMethod.GET) ResponseEntity<String> index();}

新建FeignController

import feign.Feign;import feign.Logger;import feign.codec.Decoder;import feign.gson.GsonDecoder;import io.swagger.annotations.Api;import io.swagger.annotations.ApiImplicitParams;import io.swagger.annotations.ApiOperation;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.http.ResponseEntity;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RestController;import java.util.Base64;import java.util.List;@Api(value = "Feign测试使用",description = "Feign测试使用")@RequestMapping("/feigntest")@RestControllerpublic class FeignController { @Autowired FeignInterface feign; @ApiOperation(value = "Feign主测试使用") @ApiImplicitParams({}) @RequestMapping(value = "/index" ,method = RequestMethod.GET) public ResponseEntity<String > helloWord() { System.out.println("test Return================1"); Decoder decoder = new GsonDecoder(); ResponseEntity<String> responseEntity = feign.index(); String contributors = responseEntity.getBody(); System.out.println("test Return=="+contributors); return ResponseEntity.ok("hello word"); }}

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