这篇文章主要介绍SpringCloud分布式微服务b2b2c电子商务分布式微服务中docker-feign-hystrix的示例分析，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
一、创建模块（microservice-consumer-movie-feign-with-hystrix）
二、pom.xml文件
<?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"> <parent> <artifactId>microservice-spring-cloud</artifactId> <groupId>com.jacky</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>microservice-consumer-movie-feign-with-hystrix</artifactId> <packaging>jar</packaging> <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.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> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-hystrix</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>com.spotify</groupId> <artifactId>docker-maven-plugin</artifactId> <executions> <!--设置在执行maven 的install时构建镜像--> <execution> <id>build-image</id> <phase>install</phase> <goals> <goal>build</goal> </goals> </execution> </executions> <configuration> <!--安装了docker的主机，并且打开了api remote接口设置--> <dockerHost>http://192.168.6.130:5678</dockerHost> <pushImage>true</pushImage><!--设置上传镜像到私有仓库，需要docker设置指定私有仓库地址--> <!--镜像名称--> <imageName>${docker.repostory}/${docker.image.prefix}/${project.artifactId}:${project.version}</imageName> <!--镜像的基础版本--> <baseImage>java:openjdk-8-jdk-alpine</baseImage> <!--镜像启动参数--> <entryPoint>["java", "-jar", "/${project.build.finalName}.jar"]</entryPoint> <resources> <resource> <targetPath>/</targetPath> <directory>${project.build.directory}</directory> <include>${project.build.finalName}.jar</include> </resource> </resources> </configuration> </plugin> </plugins> </build></project>三、配置文件application.yml
spring: application: name: microservice-consumer-movie-feign-with-hystrixserver: port: 7901eureka: client: healthcheck: enabled: true serviceUrl: defaultZone: http://jacky:admin@peer1:8761/eureka/,http://jacky:admin@peer2:8762/eureka/,http://jacky:admin@peer3:8763/eureka/ instance: prefer-ip-address: true instance-id: ${spring.application.name}:${spring.cloud.client.ipAddress}:${spring.application.instance_id:${server.port}}四、实体类User.java
package com.jacky.cloud.entity; import java.math.BigDecimal; public class User { private Long id; private String username; private String name; private Short age; private BigDecimal balance; public Long getId() { return this.id; } public void setId(Long id) { this.id = id; } public String getUsername() { return this.username; } public void setUsername(String username) { this.username = username; } public String getName() { return this.name; } public void setName(String name) { this.name = name; } public Short getAge() { return this.age; } public void setAge(Short age) { this.age = age; } public BigDecimal getBalance() { return this.balance; } public void setBalance(BigDecimal balance) { this.balance = balance; } }五、生产者发生错误时使用的类（HystrixClientFallback.java）
package com.jacky.cloud.feign; import org.springframework.stereotype.Component; import com.jacky.cloud.entity.User; @Componentpublic class HystrixClientFallback implements UserFeignClient { @Override public User findById(Long id) { User user = new User(); user.setId(0L); return user; }}六、feign客户端UserFeignClient.java
package com.jacky.cloud.feign; import com.jacky.cloud.entity.User;import org.springframework.cloud.netflix.feign.FeignClient;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod; @FeignClient(name = "microservice-provider-user", fallback = HystrixClientFallback.class)public interface UserFeignClient { @RequestMapping(value = "/simple/{id}", method = RequestMethod.GET) public User findById(@PathVariable("id") Long id);}七、MovieController.java
package com.jacky.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.jacky.cloud.entity.User;import com.jacky.cloud.feign.UserFeignClient; @RestControllerpublic class MovieController { @Autowired private UserFeignClient userFeignClient; @GetMapping("/movie/{id}") public User findById(@PathVariable Long id) { return this.userFeignClient.findById(id); }}八、启动类
package com.jacky.cloud; import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;import org.springframework.cloud.netflix.eureka.EnableEurekaClient;import org.springframework.cloud.netflix.feign.EnableFeignClients; @SpringBootApplication@EnableEurekaClient@EnableFeignClients@EnableCircuitBreakerpublic class ConsumerMovieFeignApplication { public static void main(String[] args) { SpringApplication.run(ConsumerMovieFeignApplication.class, args); }}以上是“SpringCloud分布式微服务b2b2c电子商务分布式微服务中docker-feign-hystrix的示例分析”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注编程网行业资讯频道！
