Dubbo（五）------Dubbo入门示例(基于api配置)

深藏阁楼爱情的钟 2023-06-25 07:44 0阅读 0赞

![在这里插入图片描述][20191226230151969.png]

**dubbo 父工程pom依赖**

<?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>
    
        <groupId>com.yi</groupId>
        <artifactId>dubbo</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>pom</packaging>
    
        <modules>
            <module>dubbo-api</module>
            <module>dubbo-consumer</module>
            <module>dubbo-provider</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>
        </properties>
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.1.4.RELEASE</version>
            <relativePath/> 
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </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>
                
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
    
            </plugins>
    
        </build>
    
    </project>

**dubbo-api 工程**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70]

package com.yi;
    
    /**
     * 接口
     */
    public interface TestService {
    
        String sayHello(String word);
    }

**dubbo-provider 工程**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 1]

package com.yi.config;
    
    import org.apache.dubbo.config.ApplicationConfig;
    import org.apache.dubbo.config.ProtocolConfig;
    import org.apache.dubbo.config.RegistryConfig;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    @Configuration
    public class ProviderConfig {
    
        @Bean
        public ApplicationConfig applicationConfig() {
            ApplicationConfig applicationConfig = new ApplicationConfig();
            applicationConfig.setName("dubbo-provider");
            return applicationConfig;
        }
        @Bean
        public RegistryConfig registryConfig() {
            RegistryConfig registryConfig = new RegistryConfig();
            registryConfig.setAddress("zookeeper://127.0.0.1:2181");
            return registryConfig;
        }
        @Bean
        public ProtocolConfig protocolConfig() {
            ProtocolConfig protocolConfig = new ProtocolConfig();
            protocolConfig.setName("dubbo");
            protocolConfig.setPort(20880);
            return protocolConfig;
        }
    }

package com.yi.service.impl;
    
    import com.yi.TestService;
    import org.apache.dubbo.config.annotation.Service;
    
    @Service(version = "1.0.0")
    public class TestServiceImpl implements TestService {
    
        @Override
        public String sayHello(String word) {
            return word;
        }
    }

package com.yi;
    
    import org.apache.dubbo.config.spring.context.annotation.DubboComponentScan;
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    @DubboComponentScan(basePackages = "com.yi.service.impl")
    public class ApplicationProvider {
        public static void main(String[] args) {
            SpringApplication.run(ApplicationProvider.class, args);
            System.out.println("dubbo_provider 已启动！");
        }
    }

<?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>
    
        <groupId>com.yi</groupId>
        <artifactId>dubbo-provider</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    
        <properties>
            <java.version>1.8</java.version>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        </properties>
    
        <parent>
            <groupId>com.yi</groupId>
            <artifactId>dubbo</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </parent>
    
        <dependencies>
    
            
            <dependency>
                <groupId>com.yi</groupId>
                <artifactId>dubbo-api</artifactId>
                <version>1.0-SNAPSHOT</version>
            </dependency>
    
            
           
    
            
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-dependencies-zookeeper</artifactId>
                <version>2.7.4.1</version>
                <type>pom</type>
                <exclusions>
                    <exclusion>
                        <groupId>org.slf4j</groupId>
                        <artifactId>slf4j-log4j12</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
    
            
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-spring-boot-starter</artifactId>
                <version>2.7.4.1</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-autoconfigure</artifactId>
                <version>2.1.7.RELEASE</version>
                <scope>compile</scope>
            </dependency>
    
        </dependencies>
    
    
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>
    
    </project>

**dubbo-consumer 工程**

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 2]

package com.yi.config;
    
    import org.apache.dubbo.config.ApplicationConfig;
    import org.apache.dubbo.config.RegistryConfig;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    @Configuration
    public class ConsumerConfig {
        @Bean
        public ApplicationConfig applicationConfig() {
            ApplicationConfig applicationConfig = new ApplicationConfig();
            applicationConfig.setName("dubbo_consumer");
            return applicationConfig;
        }
        @Bean
        public RegistryConfig registryConfig() {
            RegistryConfig registryConfig = new RegistryConfig();
            registryConfig.setAddress("zookeeper://127.0.0.1:2181");
            return registryConfig;
        }
    }

package com.yi.controller;
    
    import com.yi.TestService;
    import org.apache.dubbo.config.annotation.Reference;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    @RestController
    public class TestController {
    
        @Reference(version = "1.0.0")
        private TestService service;
    
        @GetMapping("sayHello")
        public String sayHello() {
            return service.sayHello("hello wrold!");
        }
    
    }

package com.yi;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class ApplicationConsumer {
        public static void main(String[] args) {
            SpringApplication.run(ApplicationConsumer.class, args);
            System.out.println("dubbo_consumer 已启动！");
    
        }
    }

<?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>
    
        <groupId>com.yi</groupId>
        <artifactId>dubbo-consumer</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
    
    
        <parent>
            <groupId>com.yi</groupId>
            <artifactId>dubbo</artifactId>
            <version>0.0.1-SNAPSHOT</version>
        </parent>
    
        <properties>
            <java.version>1.8</java.version>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        </properties>
    
        <dependencies>
    
            
            <dependency>
                <groupId>com.yi</groupId>
                <artifactId>dubbo-api</artifactId>
                <version>1.0-SNAPSHOT</version>
            </dependency>
    
            
    
            
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-dependencies-zookeeper</artifactId>
                <version>2.7.4.1</version>
                <type>pom</type>
                <exclusions>
                    <exclusion>
                        <groupId>org.slf4j</groupId>
                        <artifactId>slf4j-log4j12</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
            
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-spring-boot-starter</artifactId>
                <version>2.7.4.1</version>
            </dependency>
    
        </dependencies>
    
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>
    </project>

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 3]

访问：http://127.0.0.1:8082/sayHello

![在这里插入图片描述][20191226231622826.png]

[项目代码实例下载][Link 1]

--------------------

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[20191226230151969.png]: https://img-blog.csdnimg.cn/20191226230151969.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191226231144561.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20191226231241352.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20191226231426155.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3_size_16_color_FFFFFF_t_70 3]: https://img-blog.csdnimg.cn/20191226231552432.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzI5OTE0ODM3,size_16,color_FFFFFF,t_70
[20191226231622826.png]: https://img-blog.csdnimg.cn/20191226231622826.png
[Link 1]: https://download.csdn.net/download/qq_29914837/12055827