springcloud-example工程初始化

springcloud-example/.gitignore

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/.settings/

springcloud-example/.project

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>springcloud-example</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.m2e.core.maven2Builder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.m2e.core.maven2Nature</nature>
	</natures>
</projectDescription>

springcloud-example/eureka-server/.gitignore

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/.settings/
/target/
/.classpath

springcloud-example/eureka-server/.project

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>eureka-server</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>org.eclipse.m2e.core.maven2Builder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.jdt.core.javanature</nature>
		<nature>org.eclipse.m2e.core.maven2Nature</nature>
	</natures>
</projectDescription>

springcloud-example/eureka-server/pom.xml

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<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>
	<parent>
		<groupId>com.ai.ipu.example</groupId>
		<artifactId>springcloud-example</artifactId>
		<version>1.0-SNAPSHOT</version>
	</parent>
	<artifactId>eureka-server</artifactId>
	<name>eureka-server</name>
	<description>eureka服务</description>
	<dependencies>
		<!-- 对比
		spring-cloud-starter-eureka-server
		spring-cloud-netflix-eureka-server
		spring-cloud-starter-netflix-eureka-server
		 -->
		<dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-netflix-eureka-server</artifactId>
        </dependency>
	</dependencies>
</project>

springcloud-example/eureka-server/src/main/java/com/ai/ipu/service/eureka/EurekaServerStart.java

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package com.ai.ipu.service.eureka;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
@EnableEurekaServer
@SpringBootApplication
public class EurekaServerStart {
    
    public static void main(String[] args) {
        SpringApplication.run(EurekaServerStart.class,args);
    }
}

springcloud-example/eureka-server/src/main/resources/application.properties

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#提供服务端口
server.port=1111
#提供服务的域名，本地可以使用localhost或者配置hosts测试
eureka.instance.hostname=localhost
#关闭向注册中心注册自己
eureka.client.register-with-eureka=false
#关闭发现注册服务，注册中心仅用于维护节点
eureka.client.fetch-registry=false
#配置注册中心提供服务的url（这里引用上边的配置）
eureka.client.serviceUrl.defaultZone=http://${eureka.instance.hostname}:${server.port}/eureka/

springcloud-example/feign-service-consumer/.gitignore

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/.settings/
/target/
/.classpath

springcloud-example/feign-service-consumer/.project

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>feign-service-consumer</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>org.eclipse.m2e.core.maven2Builder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.jdt.core.javanature</nature>
		<nature>org.eclipse.m2e.core.maven2Nature</nature>
	</natures>
</projectDescription>

springcloud-example/feign-service-consumer/pom.xml

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<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>
	<parent>
		<groupId>com.ai.ipu.example</groupId>
		<artifactId>springcloud-example</artifactId>
		<version>1.0-SNAPSHOT</version>
	</parent>
	<artifactId>feign-service-consumer</artifactId>
	<name>feign-service-consumer</name>
	<description>feign服务消费者</description>
	
	<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.cloud</groupId>
            <artifactId>spring-cloud-starter-feign</artifactId>
        </dependency>
        <dependency>
			<groupId>com.ai.ipu.api</groupId>
			<artifactId>service-api</artifactId>
			<version>1.0-SNAPSHOT</version>
		</dependency>
    </dependencies>
</project>

springcloud-example/feign-service-consumer/src/main/java/com/ai/ipu/service/consume/Application.java1

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

springcloud-example/feign-service-consumer/src/main/java/com/ai/ipu/service/consume/FeignServiceConsumerStart.java

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package com.ai.ipu.service.consume;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.netflix.feign.EnableFeignClients;
@EnableFeignClients
@SpringBootApplication
public class FeignServiceConsumerStart {
    public static void main(String[] args) {
        new SpringApplicationBuilder(FeignServiceConsumerStart.class).web(true).run(args);
    }
}

springcloud-example/feign-service-consumer/src/main/java/com/ai/ipu/service/consume/HelloController.java

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package com.ai.ipu.service.consume;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloController{
    
    @Autowired
    private HelloServiceClient helloServiceClient;
    @GetMapping("/hi")
    public String hi(@RequestParam(value = "name") String name) {
        return helloServiceClient.hello(name);
    }
    
}

springcloud-example/feign-service-consumer/src/main/java/com/ai/ipu/service/consume/HelloServiceClient.java

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package com.ai.ipu.service.consume;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.feign.FeignClient;
import com.ai.ipu.service.api.HelloService;
@EnableDiscoveryClient
@FeignClient("feign-service-provider")
public interface HelloServiceClient extends HelloService {
    
}

springcloud-example/feign-service-consumer/src/main/resources/application.properties

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spring.application.name=feign-service-consumer
server.port=2102
eureka.client.service-url.defaultZone=http://localhost:1111/eureka/

springcloud-example/feign-service-provider/.gitignore

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/.settings/
/target/
/.classpath

springcloud-example/feign-service-provider/.project

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>feign-service-provider</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>org.eclipse.m2e.core.maven2Builder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.jdt.core.javanature</nature>
		<nature>org.eclipse.m2e.core.maven2Nature</nature>
	</natures>
</projectDescription>

springcloud-example/feign-service-provider/pom.xml

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<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>
	<parent>
		<groupId>com.ai.ipu.example</groupId>
		<artifactId>springcloud-example</artifactId>
		<version>1.0-SNAPSHOT</version>
	</parent>
	<artifactId>feign-service-provider</artifactId>
	<name>feign-service-provider</name>
	<description>feign服务提供者</description>
	<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>com.ai.ipu.api</groupId>
			<artifactId>service-api</artifactId>
			<version>1.0-SNAPSHOT</version>
		</dependency>
		
		<!--eureka的客户端依赖-->
        <!-- <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency> -->
        <!--feign的依赖-->
        <!-- <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency> -->
	</dependencies>
</project>

springcloud-example/feign-service-provider/src/main/java/com/ai/ipu/sevice/provide/FeignServiceProviderStart.java

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package com.ai.ipu.sevice.provide;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
@EnableDiscoveryClient
@SpringBootApplication
public class FeignServiceProviderStart {
    public static void main(String[] args) {
        /*web()?*/
        new SpringApplicationBuilder(FeignServiceProviderStart.class).web(true).run(args);
    }
}

springcloud-example/feign-service-provider/src/main/java/com/ai/ipu/sevice/provide/HelloController.java

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package com.ai.ipu.sevice.provide;
import org.springframework.web.bind.annotation.RestController;
import com.ai.ipu.service.api.HelloService;
@RestController
class HelloController implements HelloService {
    
    public String hello(String name) {
        return "hello " + name;
    }
}

springcloud-example/feign-service-provider/src/main/resources/application.properties

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spring.application.name=feign-service-provider
server.port=2101
eureka.client.service-url.defaultZone=http://localhost:1111/eureka/

springcloud-example/pom.xml

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<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.ai.ipu.example</groupId>
	<artifactId>springcloud-example</artifactId>
	<version>1.0-SNAPSHOT</version>
	<packaging>pom</packaging>
	<name>springcloud-example</name>
	<description>springcloud的简单范例</description>
	<modules>
		<module>eureka-server</module>
		<module>feign-service-provider</module>
		<module>feign-service-consumer</module>
		<module>service-api</module>
	</modules>
	<properties>
		<spring-boot-dependencies>1.5.21.RELEASE</spring-boot-dependencies>
		<spring-cloud-dependencies>Edgware.SR6</spring-cloud-dependencies>
	</properties>
	<!-- 管理依赖 -->
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>${spring-cloud-dependencies}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
			<!-- Spring Boot无侵入依赖引入方式 -->
			<dependency>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-dependencies</artifactId>
				<version>${spring-boot-dependencies}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	<dependencies>
		<!-- 
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		-->
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>1.8</source>
					<target>1.8</target>
				</configuration>
			</plugin>
		</plugins>
	</build>
</project>

springcloud-example/service-api/.gitignore

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/.settings/
/target/
/.classpath

springcloud-example/service-api/.project

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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
	<name>service-api</name>
	<comment></comment>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
		<buildCommand>
			<name>org.eclipse.m2e.core.maven2Builder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.jdt.core.javanature</nature>
		<nature>org.eclipse.m2e.core.maven2Nature</nature>
	</natures>
</projectDescription>

springcloud-example/service-api/pom.xml

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<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>
	<parent>
		<groupId>com.ai.ipu.example</groupId>
		<artifactId>springcloud-example</artifactId>
		<version>1.0-SNAPSHOT</version>
	</parent>
	<groupId>com.ai.ipu.api</groupId>
	<artifactId>service-api</artifactId>
	<name>service-api</name>
	<description>服务调用的API接口</description>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
	</dependencies>
</project>

springcloud-example/service-api/src/main/java/com/ai/ipu/service/api/HelloService.java

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package com.ai.ipu.service.api;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
public interface HelloService {
    /*String hello(String name);*/
    @GetMapping("/hello")
    String hello(@RequestParam(value = "name") String name);
    
}