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新增feign继承特性示例
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‎2-Dalston版教程示例/eureka-feign-api/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.didispace</groupId>
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<artifactId>eureka-feign-api</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<name>eureka-feign-api</name>
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<description>Spring Cloud In Action</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.6.RELEASE</version>
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<relativePath/>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>Dalston.SR2</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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</project>

‎2-Dalston版教程示例/eureka-feign-api/src/main/java/com/didispace/api/HelloService.java

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package com.didispace.api;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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/**
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* @author 翟永超
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* @create 2017/8/8.
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* @blog http://blog.didispace.com
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*/
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public interface HelloService {
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@GetMapping("/hello")
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String hello(@RequestParam(value = "name") String name);
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}

‎2-Dalston版教程示例/eureka-feign-client/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.didispace</groupId>
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<artifactId>eureka-feign-client</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<name>eureka-feign-client</name>
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<description>Spring Cloud In Action</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.6.RELEASE</version>
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<relativePath/>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-eureka</artifactId>
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</dependency>
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<dependency>
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<groupId>com.didispace</groupId>
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<artifactId>eureka-feign-api</artifactId>
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<version>1.0.0</version>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>Dalston.SR2</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎2-Dalston版教程示例/eureka-feign-client/src/main/java/com/didispace/api/impl/Application.java

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package com.didispace.api.impl;
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import com.didispace.api.HelloService;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.web.bind.annotation.RestController;
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@EnableDiscoveryClient
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@SpringBootApplication
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public class Application {
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@RestController
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class HelloController implements HelloService {
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@Override
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public String hello(String name) {
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return "hello " + name;
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}
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}
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public static void main(String[] args) {
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new SpringApplicationBuilder(Application.class).web(true).run(args);
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}
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}

‎2-Dalston版教程示例/eureka-feign-client/src/main/resources/application.properties

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spring.application.name=eureka-feign-client
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server.port=2101
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eureka.client.serviceUrl.defaultZone=http://eureka.didispace.com/eureka/

‎2-Dalston版教程示例/eureka-feign-consumer/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.didispace</groupId>
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<artifactId>eureka-feign-consumer</artifactId>
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<version>1.0.0</version>
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<packaging>jar</packaging>
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<name>eureka-feign-consumer</name>
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<description>Spring Cloud In Action</description>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>1.5.6.RELEASE</version>
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<relativePath/>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-eureka</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-feign</artifactId>
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</dependency>
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<dependency>
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<groupId>com.didispace</groupId>
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<artifactId>eureka-feign-api</artifactId>
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<version>1.0.0</version>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-dependencies</artifactId>
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<version>Dalston.SR2</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎2-Dalston版教程示例/eureka-feign-consumer/src/main/java/com/didispace/api/consumer/Application.java

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package com.didispace.api.consumer;
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import com.didispace.api.HelloService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.cloud.netflix.feign.EnableFeignClients;
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import org.springframework.cloud.netflix.feign.FeignClient;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@EnableFeignClients
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@EnableDiscoveryClient
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@SpringBootApplication
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public class Application {
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@FeignClient("eureka-feign-client")
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interface HelloServiceClient extends HelloService {
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}
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@RestController
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class TestController {
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@Autowired
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private HelloServiceClient helloServiceClient;
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@GetMapping("/test")
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public String test(String name) {
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return helloServiceClient.hello(name);
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}
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}
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public static void main(String[] args) {
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new SpringApplicationBuilder(Application.class).web(true).run(args);
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}
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}

‎2-Dalston版教程示例/eureka-feign-consumer/src/main/resources/application.properties

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spring.application.name=eureka-feign-consumer
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server.port=2102
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eureka.client.serviceUrl.defaultZone=http://eureka.didispace.com/eureka/

‎2-Dalston版教程示例/pom.xml

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<module>turbine</module>
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<module>turbine-amqp</module>
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<module>eureka-feign-api</module>
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<module>eureka-feign-client</module>
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<module>eureka-feign-consumer</module>
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<module>hystrix-collapser-provider</module>
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<module>hystrix-collapser-consumer</module>
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‎README.md

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- [Spring Cloud实战小贴士：Zuul处理Cookie和重定向](http://blog.didispace.com/spring-cloud-zuul-cookie-redirect/)
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- [Spring Cloud实战小贴士：Zuul统一异常处理（一）](http://blog.didispace.com/spring-cloud-zuul-exception/)
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- [Spring Cloud实战小贴士：Zuul统一异常处理（二）](http://blog.didispace.com/spring-cloud-zuul-exception-2/)
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- [Spring Cloud实战小贴士：Zuul统一异常处理（三）【Dalston版】](http://blog.didispace.com/spring-cloud-zuul-exception-3/)
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- [Spring Cloud实战小贴士：Turbine如何聚合设置了context-path的Hystrix数据](http://blog.didispace.com/spring-cloud-tips-4/)
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- [Spring Cloud实战小贴士：Feign的继承特性(伪RPC模式)](http://blog.didispace.com/spring-cloud-tips-feign-rpc/)
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- 未完待续
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