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spring cloud如何在windows系统打包并部署 spring cloud环境搭建

spring-cloud入门环境搭建

1.什么是spring-cloud

spring-cloud是spring提供的微服务整合开发框架。Spring Cloud 为开发者提供了在分布式系统(如配置管理、服务发现、断路器、智能路由、微代理、控制总线、一次性 Token、全局锁、决策竞选、分布式会话和集群状态)操作的开发工具。使用 Spring Cloud 开发者可以快速实现上述这些模式。

2.为什么使用spring-cloud

  1. 经历过netflix业务考验,国外大规模使用
  2. 入门门槛低,国内大批量使用spring
  3. 快速搭建

3.spring-cloud快熟搭建入门

1. eureka 服务注册组件

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_maven,第1张

下载 https://github.com/mykite/eureka-server.git 编译后直接运行即可,或 mvn clean install 后直接运行jar包后访问 部署后:

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_maven_02,第2张

2. configServer
对配置的集中管理,使用svn or git
https://github.com/mykite/configserver.git
编译后直接运行即可,或 mvn clean install 后直接运行jar包后访问
使用方式
在configserver中配置的
spring:
  cloud:
    config:
      server:
        git:
          uri: https://github.com/mykite/config-repostory
提交到test分支文件hell-server.yml
文件内容:
test.name: kite
访问:http://localhost:8888/hello-server/profiles/test
会访问当前配置github上的test分支下的hello-server.yml(or properties文件)
对应应用中的配置
spring:
  cloud:
    config:
      uri: http://localhost:8888
      label: test

可以实现注入
3. ribbon

ribbon用以实现负载均衡;实现软负载均衡,核心有三点:

  1. 服务发现,发现依赖服务的列表
  2. 服务选择规则,在多个服务中如何选择一个有效服务
  3. 服务监听,检测失效的服务,高效剔除失效服务

服务选择规则,其中包括:

  • 简单轮询负载均衡
  • 加权响应时间负载均衡
  • 区域感知轮询负载均衡
  • 随机负载均衡
4. hystrix
断路器

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_json_03,第3张

5. zuul
类似nginx,提供反向代理的功能

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_开发工具_04,第4张

项目搭建
项目结构

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_spring_05,第5张

springcloud-server 提供的服务 springcloud-client 通过feginClient调用服务 springcloud-feginclient 通过feginClient调用server springcloud-parent maven父项目

parent

pom.xml

<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>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.3.5.RELEASE</version>
	</parent>
	<groupId>com.kite.test</groupId>
	<artifactId>springcloud-parent</artifactId>
	<version>1.0.0</version>
	<packaging>pom</packaging>

	<name>springcloud-parent</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<modules>
		<module>../springcloud-client</module>
		<module>../springcloud-server</module>
		<module>../springcloud-feginclient</module>
	</modules>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Brixton.SR4</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-config</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>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-ribbon</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-hystrix</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-zuul</artifactId>
		</dependency>
	</dependencies>
</project>
server

pom.xml

<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>
	<packaging>jar</packaging>
	<name>springcloud-client</name>
	<artifactId>springcloud-server</artifactId>
	<url>http://maven.apache.org</url>

	<parent>
		<groupId>com.kite.test</groupId>
		<artifactId>springcloud-parent</artifactId>
		<version>1.0.0</version>
	</parent>

</project>

提供的服务

package com.kite.test.springcloud.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

/**
 * 
 * 类HelloController.java的实现描述:暴露对外服务
 * @author pengliang 2016年8月8日 下午4:23:14
 */
@RestController
public class HelloController {
	
	/**
	 * rest 服务用来测试 
	 * --@requestParam url?xxx=name 
	 * --requestBody 认定为json传输解析  url?{xxx=name}
	 * @param name
	 * @return
	 */
	@RequestMapping(value = "/hello", method = RequestMethod.GET)
	public String hello(String name) {
		return "{hello: '" + name + "'}";
	}
	
}

启动类

package com.kite.test.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;


//springBoot  作为主启动类
@SpringBootApplication
@EnableDiscoveryClient
@EnableCircuitBreaker 
public class ServerApplication {
	
    public static void main(String[] args) {
    	SpringApplication.run(ServerApplication.class, args);
    }
}
feginClient

pom.xml

<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>
	<packaging>jar</packaging>
	<name>springcloud-feginclient</name>
	<artifactId>springcloud-feginclient</artifactId>
	<url>http://maven.apache.org</url>
	
	<parent>
		<groupId>com.kite.test</groupId>
		<artifactId>springcloud-parent</artifactId>
		<version>1.0.0</version>
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>

</project>

feginClient提供接口

package com.kite.test.springcloud.feginclient;

import org.springframework.cloud.netflix.feign.FeignClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;


/**
 * feginClient接口
 * 类HelloFeginClient.java的实现描述:通过feginClient自动调用
 * @author pengliang 2016年8月8日 下午4:25:36
 */
@FeignClient(value="HelloServer") //对应到的server端的spring.application.name
public interface HelloFeginClient {
	
@RequestMapping(value = "/hello", method=RequestMethod.POST)
	public String hello(@RequestParam(name="name") String name);

}
cliet

pom.xml

<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>
	<packaging>jar</packaging>
	<name>springcloud-client</name>
	<artifactId>springcloud-client</artifactId>
	<url>http://maven.apache.org</url>
	
	<parent>
		<groupId>com.kite.test</groupId>
		<artifactId>springcloud-parent</artifactId>
		<version>1.0.0</version>
	</parent>
	
	<dependencies>
		<dependency>
			<groupId>com.kite.test</groupId>
			<artifactId>springcloud-feginclient</artifactId>
			<version>1.0.0</version>
		</dependency>
	</dependencies>
</project>

client 调用服务类

package com.kite.test.springcloud.client.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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 com.kite.test.springcloud.feginclient.HelloFeginClient;

/**
 * 调用测试
 * 类CallHelloController.java的实现描述:调用feginClient测试
 * @author pengliang 2016年8月8日 下午4:42:14
 */
@RestController
public class CallHelloController {
	
	private Logger log = LoggerFactory.getLogger(CallHelloController.class);
	@Autowired
	private HelloFeginClient helloFeginClient;
	
	@RequestMapping(value="/hello", method = RequestMethod.GET)
	public String hello(String name) {
		log.info("call hello parameter:{}", name);
		return helloFeginClient.hello(name);  
	}
}

client 启动类

package com.kite.test.springcloud.client;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.netflix.feign.EnableFeignClients;

@SpringBootApplication
@EnableDiscoveryClient
@EnableFeignClients(basePackages = "com.kite.test")
@EnableCircuitBreaker
public class ClientApplication {
	public static void main(String[] args) {
		SpringApplication.run(ClientApplication.class, args);
	}
}
调用流程图

spring cloud如何在windows系统打包并部署 spring cloud环境搭建,spring cloud如何在windows系统打包并部署 spring cloud环境搭建_maven_06,第6张

应用实例:

在具体的微服务用力中我们一般采用json来作为数据传输格式,通过feginClient来对服务调用来做一层封装hystrix在对feginClient调用时对依赖失败做隔离,ribbon做负载均衡(使用feginClient时已经默认集成ribbon)

项目源码 https://github.com/mykite/springcloud-test-compoments.git


 


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