springboot2.2.2集成dubbo的實現(xiàn)方法
最近在學(xué)習(xí)dubbo,想著作一些筆記,從來沒有在csdn上面寫過博客,今天獻(xiàn)出第一次,哈哈,直接上代碼
一、創(chuàng)建父工程
<?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> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.2.RELEASE</version> <relativePath/> </parent> <groupId>com.dubbo</groupId> <artifactId>demo01</artifactId> <version>1.0.0</version> <packaging>pom</packaging> <description>Spring Boot2.x 整合 dubbo</description> <modules> <module>api</module> <module>provider</module> <module>consumer</module> </modules> <!--統(tǒng)一管理依賴版本--> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> <dubbo.version>2.7.5</dubbo.version> <curator.version>4.2.0</curator.version> <!-- 連接zookeeper的依賴,我的zookeeper版本是3.4.14,感覺這個jar版本和zookeeper是大概保持一致的,但是引入3.4.14會報錯,我試了下,從3.4.13開始就不行了 --> <zookeeper.version>3.4.12</zookeeper.version> </properties> <!--依賴定義--> <!--dependencyManagement 定義依賴版本號。子工程直接加依賴即可,不需要再次加版本號,便于統(tǒng)一維護(hù)版本號--> <dependencyManagement> <dependencies> <dependency> <groupId>org.apache.dubbo</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> <version>${dubbo.version}</version> </dependency> <!-- zookeeper的api管理依賴 --> <dependency> <groupId>org.apache.curator</groupId> <artifactId>curator-recipes</artifactId> <version>${curator.version}</version> </dependency> <!-- zookeeper依賴 --> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> <version>${zookeeper.version}</version> </dependency> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency> <!-- 使用該依賴,idea需要安裝插件,沒有用過的自行百度一下吧 --> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> </dependencies> </project>
二、創(chuàng)建提供者與消費(fèi)者共用的api
該模塊沒有什么好說的,提供者和消費(fèi)者都需要使用的接口api,提供者和消費(fèi)者都需要引入該模塊
<?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"> <parent> <artifactId>demo01</artifactId> <groupId>com.dubbo</groupId> <version>1.0.0</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>api</artifactId> </project>
// 注解都是lombok的,真的很方便 @Data @Builder @NoArgsConstructor @AllArgsConstructor(access = AccessLevel.PRIVATE) public class User implements Serializable { private Integer id; private String name; private Integer age; }
public interface UserService { User getUserById(Integer id); }
三、創(chuàng)建提供者
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>com.dubbo</groupId> <version>1.0.0</version> <artifactId>demo01</artifactId> </parent> <groupId>com.dubbo</groupId> <artifactId>provider</artifactId> <version>0.0.1-SNAPSHOT</version> <name>provider</name> <description>Demo project for Spring Boot</description> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.apache.dubbo</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.apache.curator</groupId> <artifactId>curator-recipes</artifactId> </dependency> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> </dependency> <!-- 導(dǎo)入公共接口依賴 --> <dependency> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>1.0.0</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> </exclusions> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
dubbo: application: # 應(yīng)用名稱 name: user-provider protocol: # 協(xié)議名稱 name: dubbo # 協(xié)議端口 port: 20880 registry: # 注冊中心地址 address: zookeeper://192.168.104.231:2181
@SpringBootApplication // 提供服務(wù)的應(yīng)用必須配置此項 @DubboComponentScan("com.dubbo.provider.service") public class ProviderApplication { public static void main(String[] args) { SpringApplication.run(ProviderApplication.class, args); } }
@Component // 該service是org.apache.dubbo.config.annotation.Service @Service public class UserServiceImpl implements UserService { @Override public User getUserById(Integer id) { User user = User.builder() .id(id) .name("張三") .age(20 + id) .build(); return user; } }
四、創(chuàng)建消費(fèi)者
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>com.dubbo</groupId> <version>1.0.0</version> <artifactId>demo01</artifactId> </parent> <groupId>com.dubbo</groupId> <artifactId>consumer</artifactId> <version>0.0.1-SNAPSHOT</version> <name>consumer</name> <description>Demo project for Spring Boot</description> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.apache.dubbo</groupId> <artifactId>dubbo-spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.apache.curator</groupId> <artifactId>curator-recipes</artifactId> </dependency> <dependency> <groupId>org.apache.zookeeper</groupId> <artifactId>zookeeper</artifactId> </dependency> <!-- 導(dǎo)入公共接口依賴 --> <dependency> <groupId>com.dubbo</groupId> <artifactId>api</artifactId> <version>1.0.0</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> </exclusions> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
# 端口 server: port: 8081 dubbo: application: name: user-consumer protocol: name: dubbo port: 20880 registry: address: zookeeper://192.168.104.231:2181
@SpringBootApplication public class ConsumerApplication { public static void main(String[] args) { SpringApplication.run(ConsumerApplication.class, args); } }
@RestController @RequestMapping("/user") public class ConsumerController { @Reference private UserService userService; @GetMapping("/{id}") public User getUserById(@PathVariable int id) { return userService.getUserById(id); } }
五、啟動并訪問
先啟動provider,啟動結(jié)果如下
啟動consumer,啟動結(jié)果如下
瀏覽器訪問:http://localhost:8081/user/4
好了,到此就完成了最基本的springboot與dubbo的整合,更多的dubbo的api請查閱 dubbo官方文檔
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。
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