SpringBoot整合Dubbo2.5.10
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博客地址: luoliangdsga.github.io
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SpringBoot整合Dubbo2.5.10，使用官方最新spring-boot-starter
开始
Dubbo已经进入了Apache孵化器，而且发布了官方的spring-boot-starter0.1.0，用于简化dubbo应用的配置，主要包括了autoconfigure(自动装配)，externalized-configuration(外部化配置)，actuator(生产准备)等，可参考官方github dubbo-spring-boot-starter.java
准备工做
须要提早安装好JDK1.8，Maven，Zookeeper。git
初始化Maven项目
为了整个项目结构清晰，使用模块化的maven项目。pom文件以下：github
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.8.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>org.boot.dubbo</groupId>
<artifactId>boot-dubbo</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>pom</packaging>
<name>boot-dubbo</name>
<description>Dubbo project for Spring Boot</description>
<modules>
<module>dubbo-provider</module>
<module>dubbo-consumer</module>
<module>dubbo-api</module>
</modules>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<dubbo-spring-boot-starter.version>0.1.0</dubbo-spring-boot-starter.version>
<springboot.version>1.5.8.RELEASE</springboot.version>
<fastjson-version>1.2.31</fastjson-version>
<zk-client.version>0.2</zk-client.version>
<dockerfile-maven.version>1.4.3</dockerfile-maven.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>${dubbo-spring-boot-starter.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
<version>${springboot.version}</version>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
<version>${zk-client.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>
复制代码
主要分为三个模块，api，provider和consumer web
建立生产者
有了spring-boot-starter，dubbo的配置变得很是简单，不再用像之前同样配置一大堆xml文件，只须要几个简单的配置，就能够作到开箱即用。spring
- 先配置生产者的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.boot.dubbo</groupId>
<artifactId>dubbo-provider</artifactId>
<version>${parent.version}</version>
<packaging>jar</packaging>
<parent>
<artifactId>boot-dubbo</artifactId>
<groupId>org.boot.dubbo</groupId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<name>dubbo-provider</name>
<description>Dubbo project for Spring Boot:Provider</description>
<dependencies>
<!-- Spring Boot dependencies -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<exclusions>
<exclusion>
<artifactId>zookeeper</artifactId>
<groupId>org.apache.zookeeper</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.boot.dubbo</groupId>
<artifactId>dubbo-api</artifactId>
<version>${parent.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
复制代码
- 接着使用properties进行SpringBoot和Dubbo的配置，配置以下：
spring.application.name=springboot-dubbo-provider
server.port=9090
#dubbo配置
dubbo.application.id=springboot-dubbo-provider
dubbo.application.name=springboot-dubbo-provider
dubbo.application.owner=luoliang
#协议配置
dubbo.protocol.id=dubbo
dubbo.protocol.name=dubbo
#把默认的20880端口换成12345
dubbo.protocol.port=12345
#服务注册配置
dubbo.registry.id=my-registry
dubbo.registry.address=zookeeper://localhost:2181
#配置dubbo的包扫描，针对dubbo的@Service, @Reference注解
dubbo.scan.base-packages=org.boot.dubbo.provider.service
#dubbo健康监控
endpoints.dubbo.enabled=true
management.health.dubbo.status.defaults=memory
management.health.dubbo.status.extras=load,threadpool
management.port=9091
复制代码
- 进行了上面两步以后，Dubbo已经集成好了，接下来就能够直接开始撸服务代码了，能够直接使用注解来暴露服务接口
- 先在api中写一个interface
public interface HelloService {
String sayHello(String name);
}
复制代码
- 实现接口，加上本身的业务逻辑
@Service(version = "1.0.0",
application = "${dubbo.application.id}",
protocol = "${dubbo.protocol.id}",
registry = "${dubbo.registry.id}")
public class HelloServiceImpl implements HelloService {
@Override
public String sayHello(String name) {
return "Hello, " + name + " (from Spring Boot)";
}
}
复制代码
注意，这里的service注解是com.alibaba.dubbo.config.annotation.Servicedocker
建立消费者
- 配置消费者者的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0" 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>org.boot.dubbo</groupId>
<artifactId>dubbo-consumer</artifactId>
<version>${parent.version}</version>
<packaging>jar</packaging>
<parent>
<artifactId>boot-dubbo</artifactId>
<groupId>org.boot.dubbo</groupId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<name>dubbo-consumer</name>
<description>Dubbo project for Spring Boot:Consumer</description>
<dependencies>
<!-- Spring Boot dependencies -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>com.101tec</groupId>
<artifactId>zkclient</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.boot.dubbo</groupId>
<artifactId>dubbo-api</artifactId>
<version>${parent.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
复制代码
- application.properties配置以下:
spring.application.name=springboot-dubbo-consumer
server.port=8081
#dubbo配置
dubbo.application.id=springboot-dubbo-consumer
dubbo.application.name=springboot-dubbo-consumer
dubbo.application.owner=luoliang
#服务注册配置
dubbo.registry.id=my-registry
dubbo.registry.address=zookeeper://localhost:2181
management.port=8082
复制代码
- 编写service来消费dubbo的服务，主要代码以下：
@Service
public class ConsumerServiceImpl implements ConsumerService {
@Reference(version = "1.0.0",
application = "${dubbo.application.id}")
private HelloService helloService;
@Override
public String sayHello(String name) {
return helloService.sayHello(name);
}
}
复制代码
在mvc的controller中注入此服务
复制代码
@RestController
@RequestMapping("/user")
public class DefaultController {
@Resource
private ConsumerService consumerService;
@RequestMapping("/sayHello")
public String register(String name) {
return consumerService.sayHello(name);
}
}
复制代码
到这里，整个项目基本结构已经搭建完成，consumer已经可以消费provider提供的服务。
如今来测试一下，分别启动provider和consumer，打开浏览器，输入http://localhost:8081/user/sayHello?name=dubboapache
能够看到，返回的结果和预期同样，说明项目已经成功集成json
须要源码请移步本人github，若是能顺手star就更好啦! boot-dubbo，下一篇博客接这篇博客，学习使用Docker容器化SpringBoot+Dubbo应用。api
第一次在掘金发文，各位大佬轻喷～
参考
- https://github.com/apache/incubator-dubbo-spring-boot-project
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