http://10.40.8.152:8761/eureka/apps后面跟上服務的名稱http://10.40.8.152:8761/eureka/apps/MICROSERVICE-CONSUMER-MOVIE-RIBBON10.40.8.152:8761/eureka/apps/microservice-simple-provider-userlocalhost:7900/simple/1https://cloud.spring.io/spring-cloud-netflix/multi/multi_spring-cloud-feign.html7.8 Feign request/response compressionFeign還支持響應的壓縮,也就是GZIPYou may consider enabling the request or response GZIP compression for your Feign requests. You can do this by enabling one of the properties:非常簡單feign.compression.request.enabled=truefeign.compression.response.enabled=true最后來講一下Feign的日志7.9 Feign logging我們首要知道Feign的默認日志級別是什么A logger is created for each Feign client created. By default the name of the logger is the full class name of the interface used to create the Feign client. Feign logging only responds to the DEBUG level.application.yml. logging.level.project.user.UserClient: DEBUG就是你這邊得設置Debug level,Feign才會響應logging.level.com.learn.cloud.feign.UserFeignClient=DEBUGlocalhost:8010/movie/1localhost:8010/MICROSERVICE-CONSUMER-MOVIE-RIBBONlocalhost:7900/simple/1The Logger.Level object that you may configure per client, tells Feign how much to log. Choices are:NONE, No logging (DEFAULT).BASIC, Log only the request method and URL and the response status code and execution time.HEADERS, Log the basic information along with request and response headers.FULL, Log the headers, body, and metadata for both requests and responses. <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><artifactId>microservice-consumer-movie-feign-customizing</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>microservice-simple-consumer-movie</name><description>Demo project for Spring Boot</description><parent><groupId>cn.learn</groupId><artifactId>microcloud02</artifactId><version>0.0.1</version></parent><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding><java.version>1.8</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-eureka</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-feign</artifactId></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project> #debug=true server.port=8010eureka.client.serviceUrl.defaultZone=http://admin:1234@10.40.8.152:8761/eurekaspring.application.name=microservice-consumer-movie-ribbon eureka.instance.prefer-ip-address=true eureka.instance.instance-id=${spring.application.name}:${spring.cloud.client.ipAddress}:${spring.application.instance_id:${server.port}} eureka.client.healthcheck.enabled=true spring.redis.host=10.40.8.152 spring.redis.password=1234 spring.redis.port=6379#stores.ribbon.listOfServers=10.40.8.144:7900logging.level.com.learn.cloud.feign.UserFeignClient=DEBUG package com.learn.config;import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration;import feign.Contract; import feign.Logger;@Configuration public class Configuration1 {@Beanpublic Contract feignContract() {return new feign.Contract.Default();}@BeanLogger.Level feignLoggerLevel() {return Logger.Level.FULL;} } package com.learn.config;import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration;import feign.auth.BasicAuthRequestInterceptor;@Configuration public class Configuration2 {@Beanpublic BasicAuthRequestInterceptor basicAuthRequestInterceptor() {return new BasicAuthRequestInterceptor("admin", "1234");} } package com.learn.cloud.feign;import org.springframework.cloud.netflix.feign.FeignClient; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping;import com.learn.config.Configuration2;@FeignClient(name = "xxxx", url = "http://10.40.8.152:8761/", configuration = Configuration2.class) public interface FeignClient2 {@RequestMapping(value = "/eureka/apps/{serviceName}")public String findServiceInfoFromEurekaByServiceName(@PathVariable("serviceName") String serviceName); } package com.learn.cloud.feign;import org.springframework.cloud.netflix.feign.FeignClient;import com.learn.cloud.entity.User; import com.learn.config.Configuration1;import feign.Param; import feign.RequestLine;@FeignClient(name="microservice-simple-provider-user", configuration = Configuration1.class) public interface UserFeignClient {@RequestLine("GET /simple/{id}")public User findById(@Param("id") Long id); } package com.learn.cloud.controller;import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RestController;import com.learn.cloud.entity.User; import com.learn.cloud.feign.FeignClient2; import com.learn.cloud.feign.UserFeignClient;@RestController public class MovieController {@Autowiredprivate UserFeignClient userFeignClient;@Autowiredprivate FeignClient2 feignClient2;@GetMapping("/movie/{id}")public User findById(@PathVariable Long id) {return this.userFeignClient.findById(id);}@GetMapping("/{serviceName}")public String findServiceInfoFromEurekaByServiceName(@PathVariable String serviceName) {return this.feignClient2.findServiceInfoFromEurekaByServiceName(serviceName);}} package com.learn.cloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.EnableEurekaClient; import org.springframework.cloud.netflix.feign.EnableFeignClients;@SpringBootApplication @EnableEurekaClient @EnableFeignClients public class ConsumerMovieFeignApplication {public static void main(String[] args) {SpringApplication.run(ConsumerMovieFeignApplication.class, args);} }

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