实战指南：如何在Spring Boot中无缝整合Dubbo【四】

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实战指南：如何在Spring Boot中无缝整合Dubbo【四】,# dubbo,spring boot,dubbo,后端

前言

微服务架构已经成为现代应用开发的热门趋势，而Dubbo作为一款强大的分布式服务框架，与Spring Boot的结合是构建高性能微服务应用的理想选择。就像拼装一把锋利的刀刃，让我们一起揭开Spring Boot整合Dubbo的神秘面纱，探索如何在分布式世界中获得竞争优势。

项目结构

实战指南：如何在Spring Boot中无缝整合Dubbo【四】,# dubbo,spring boot,dubbo,后端

主项目(作为主pom)

<?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>fun.bo</groupId>
    <artifactId>dubbo-studys</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>
    <modules>
        <module>dubbo-provider</module>
        <module>dubbo-interface</module>
        <module>dubbo-consumer</module>
    </modules>

    <properties>
        <java.version>1.8</java.version>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <dubbo-version>2.7.8</dubbo-version>
        <spring-boot.version>2.3.0.RELEASE</spring-boot.version>
    </properties>
    <dependencyManagement>
        <dependencies>
            <!-- Spring Boot -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <!-- Apache Dubbo  -->
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-dependencies-bom</artifactId>
                <version>${dubbo-version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo-spring-boot-starter</artifactId>
                <version>${dubbo-version}</version>
            </dependency>

            <dependency>
                <groupId>org.apache.dubbo</groupId>
                <artifactId>dubbo</artifactId>
                <version>${dubbo-version}</version>
                <exclusions>
                    <exclusion>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring</artifactId>
                    </exclusion>
                    <exclusion>
                        <groupId>javax.servlet</groupId>
                        <artifactId>servlet-api</artifactId>
                    </exclusion>
                    <exclusion>
                        <groupId>log4j</groupId>
                        <artifactId>log4j</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <!-- Dubbo Spring Boot Starter -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-spring-boot-starter</artifactId>
            <version>${dubbo-version}</version>
        </dependency>
        <!-- Dubbo核心组件 -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo</artifactId>
        </dependency>
        <!--Spring Boot 依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>${spring-boot.version}</version>
        </dependency>
        <!-- Zookeeper客户端框架 -->
        <dependency>
            <groupId>org.apache.curator</groupId>
            <artifactId>curator-framework</artifactId>
            <version>4.0.1</version>
        </dependency>
        <!-- Zookeeper dependencies -->
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-dependencies-zookeeper</artifactId>
            <version>${dubbo-version}</version>
            <type>pom</type>
            <exclusions>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-log4j12</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

</project>

接口

package fun.bo.api;

/**
 * @author todoitbo
 * @date 2024/1/12
 */
public interface TestDubboService {

    String sayHello(String name);
}

服务提供者

properties文件

# 服务端口
server.port=18081
# 应用程序名称
spring.application.name=dubbo-provider
# Dubbo服务扫描路径
dubbo.scan.base-packages=fun.bo

# Dubbo 通讯协议
dubbo.protocol.name=dubbo
# Dubbo服务提供的端口， 配置为-1，代表为随机端口 默认20880
dubbo.protocol.port=-1

## Dubbo 注册器配置信息
dubbo.registry.address=zookeeper://127.0.0.1:2181
dubbo.registry.file = ${user.home}/dubbo-cache/${spring.application.name}/dubbo.cache
dubbo.spring.provider.version = 1.0.0

实现类

package fun.bo.iml;

import fun.bo.api.TestDubboService;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Value;

/**
 * @author todoitbo
 * @date 2024/1/12
 */
@DubboService(version = "${dubbo.spring.provider.version}")
public class TestDubboServiceImpl implements TestDubboService {

    @Override
    public String sayHello(String name) {
        return "hello " + name;
    }
}

服务消费者

properties

# 服务端口
server.port=18084
#服务名称
spring.application.name=dubbo-spring-consumer
#服务版本号
dubbo.spring.provider.version = 1.0.0
#消费端注册器配置信息
dubbo.registry.address=zookeeper://127.0.0.1:2181
#dubbo.consumer.check=false
dubbo.registry.file = ${user.home}/dubbo-cache/${spring.application.name}/dubbo.cache

接口层

package fun.bo.controller;

import fun.bo.api.TestDubboService;
import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author todoitbo
 * @date 2024/1/12
 */
@RestController
public class TestDubboController {

    @DubboReference(version = "${dubbo.spring.provider.version}")
    private TestDubboService testDubboService;

    @GetMapping("/test-dubbo/{name}")
    public String testDubbo(@PathVariable String name) {
        return testDubboService.sayHello(name);
    }
}