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Spring Cloud构建微服务架构（一）——服务注册与发现

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程序猿DD
2016-06-02 13:07:17 +08:00
parent febab47c56
commit 8931aab226
6 changed files with 0 additions and 184 deletions
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73
Chapter9-1-1/eureka-client/pom.xml
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<?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>
<groupId>com.didispace</groupId>
<artifactId>eureka-client</artifactId>
<version>1.0.0</version>
<packaging>jar</packaging>
<name>eureka-client</name>
<description>Spring Cloud project</description>
<parent>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-parent</artifactId>
<version>1.0.0.RELEASE</version> <!-- Name of release train -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</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-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-ribbon</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>

23
Chapter9-1-1/eureka-client/src/main/java/com/didispace/ClientApplication.java
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package com.didispace;
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;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
@SpringBootApplication
@EnableEurekaClient
public class ClientApplication {
@Bean
RestTemplate restTemplate() {
return new RestTemplate();
}
public static void main(String[] args) {
SpringApplication.run(ClientApplication.class, args);
}
}

19
Chapter9-1-1/eureka-client/src/main/java/com/didispace/service/ComputeService.java
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package com.didispace.service;
import feign.Param;
import feign.RequestLine;
import org.springframework.cloud.netflix.feign.FeignClient;
/**
* @author 程序猿DD
* @version 1.0.0
* @date 16/5/30 下午3:48.
* @blog http://blog.didispace.com
*/
@FeignClient(serviceId = "computeService", url = "http://COMPUTE-SERVICE/")
public interface ComputeService {
@RequestLine("GET /add")
Integer add(@Param("a") Integer a, @Param("b") Integer b);
}

30
Chapter9-1-1/eureka-client/src/main/java/com/didispace/web/ClientController.java
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package com.didispace.web;
import com.didispace.service.ComputeService;
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.RestController;
import org.springframework.web.client.RestTemplate;
@RestController
public class ClientController {
@Autowired
RestTemplate restTemplate;
// @Autowired
// private ComputeService computeService;
@RequestMapping(value = "/add", method = RequestMethod.GET)
public String add() {
return restTemplate.getForEntity("http://COMPUTE-SERVICE/add?a=10&b=20", String.class).getBody();
}
// @RequestMapping("/add2")
// public String add2() {
// return computeService.add(10, 20).toString();
// }
}

14
Chapter9-1-1/eureka-client/src/main/resources/application.yml
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# Spring Properties
spring:
application:
name: client
# Discovery Server Access
eureka:
client:
serviceUrl:
defaultZone: http://localhost:1111/eureka/
# HTTP Server
server:
port: 3333 # HTTP (Tomcat) port

25
Chapter9-1-1/eureka-client/src/test/java/com/didispace/ApplicationTests.java
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package com.didispace;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.SpringApplicationConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.web.client.RestTemplate;
@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = ClientApplication.class)
public class ApplicationTests {
@Autowired
RestTemplate restTemplate;
@Test
public void compute() throws Exception {
System.out.println(restTemplate.getForEntity("http://COMPUTE-SERVICE/add?a=10&b=20", String.class).getBody());
}
}