Springboot SpringCloudAlibaba Nacos 项目搭建

依赖版本：

spring-boot：2.3.12.RELEASE

spring-cloud-alibaba：2.2.7.RELEASE

spring-cloud：Hoxton.SR12

nacos：2.0.3

1.部署搭建Nacos注册中心

Linux Nacos 快速启动_nacos linux快速启动-CSDN博客

2.构建项目

源码地址

2.1 项目目录

2.2 根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>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.12.RELEASE</version>
        <relativePath/>
    </parent>

    <groupId>com.ocean</groupId>
    <artifactId>dubbo-cloud</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>

    <modules>
        <module>dubbo-order</module>
        <module>dubbo-user</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>
        <spring-cloud.version>Hoxton.SR12</spring-cloud.version>
        <spring-cloud-alibaba.version>2.2.7.RELEASE</spring-cloud-alibaba.version>
    </properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>${spring-cloud-alibaba.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- Dubbo Spring Cloud Starter -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-dubbo</artifactId>
            <exclusions>
                <exclusion>
                    <artifactId>spring-context-support</artifactId>
                    <groupId>com.alibaba.spring</groupId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- Spring Cloud Nacos Service Discovery -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>com.alibaba.spring</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>1.0.11</version>
        </dependency>
    </dependencies>

</project>

2.3 服务提供者

2.3.1 目录结构

2.3.2 pom.xml

<!-- dubbo-user 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">
    <parent>
        <artifactId>dubbo-cloud</artifactId>
        <groupId>com.ocean</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>dubbo-user</artifactId>
    <packaging>pom</packaging>

    <modules>
        <module>dubbo-user-api</module>
        <module>dubbo-user-provider</module>
    </modules>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>

</project>


<!-- dubbo-user-api 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">
    <parent>
        <artifactId>dubbo-user</artifactId>
        <groupId>com.ocean</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>dubbo-user-api</artifactId>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.ocean</groupId>
            <artifactId>dubbo-user-provider</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>


<!-- dubbo-user-provider propom.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">

    <parent>
        <artifactId>dubbo-user</artifactId>
        <groupId>com.ocean</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>

    <modelVersion>4.0.0</modelVersion>
    <packaging>jar</packaging>
    <artifactId>dubbo-user-provider</artifactId>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

2.3.3 dubbo-user-provideer代码

代码

UserProviderService.java

package com.ocean.provider;

public interface UserProviderService {

    String getUserName();

}

2.3.4 dubbo-user-api代码

代码

UserApi.java

package com.ocean.controller;

import com.ocean.service.UserService;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;

@RestController
public class UserApi {

    @Resource
    private UserService userService;

    @GetMapping(value = "/api/user/getName")
    public String getOrderInfo() {
        return userService.getName();
    }

}

UserProviderServiceImpl.java

package com.ocean.provider;

import com.ocean.service.UserService;
import org.apache.dubbo.config.annotation.DubboService;

import javax.annotation.Resource;

@DubboService
public class UserProviderServiceImpl implements UserProviderService {

    @Resource
    private UserService userService;

    @Override
    public String getUserName() {
        return userService.getName();
    }
}

UserService.java

package com.ocean.service;

import org.springframework.stereotype.Service;

import java.util.UUID;

@Service
public class UserService {

    public String getName() {
        return UUID.randomUUID().toString();
    }

}

UserApplication.java

package com.ocean;

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

@EnableDiscoveryClient
@SpringBootApplication
public class UserApplication {

    public static void main(String[] args) {
        SpringApplication.run(UserApplication.class, args);
    }

}

application.yml

server:
  port: 6668

spring:
  application:
    name: user
  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
  main:
    allow-bean-definition-overriding: true

dubbo:
  application:
    qos-enable: false
    id: user
  scan:
    base-packages: com.ocean.provider
  protocols:
    dubbo:
      name: dubbo
      port: -1
  registry:
    address: spring-cloud://127.0.0.1

2.4 服务消费者

2.4.1 目录结构

2.4.2 pom.xml

<!-- dubbo-order 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">
    <parent>
        <artifactId>dubbo-cloud</artifactId>
        <groupId>com.ocean</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>dubbo-order</artifactId>
    <packaging>pom</packaging>

    <modules>
        <module>dubbo-order-api</module>
    </modules>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>

</project>

<!-- dubbo-order-api 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">
    <parent>
        <artifactId>dubbo-order</artifactId>
        <groupId>com.ocean</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>dubbo-order-api</artifactId>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.ocean</groupId>
            <artifactId>dubbo-user-provider</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

2.4.3 代码

OrderApi.java

package com.ocean.controller;

import com.ocean.service.OrderService;
import com.ocean.vo.OrderVO;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;

@RestController
public class OrderApi {

    @Resource
    private OrderService orderService;

    @GetMapping(value = "/api/order/{id}")
    public OrderVO getOrderInfo(@PathVariable("id") String id) {
        return orderService.getOrderInfo(id);
    }

}

OrderService.java

package com.ocean.service;

import com.ocean.provider.UserProviderService;
import com.ocean.vo.OrderVO;
import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.stereotype.Service;

@Service
public class OrderService {

    @DubboReference
    private UserProviderService userProviderService;

    public OrderVO getOrderInfo(String id) {
        return new OrderVO(id, userProviderService.getUserName());
    }

}

OrderVO.java

package com.ocean.vo;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

@ToString
@Getter
@Setter
public class OrderVO {

    private String orderId;

    private String userName;


    public OrderVO(String orderId, String userName) {
        this.orderId = orderId;
        this.userName = userName;
    }
}

OrderApplication.java

package com.ocean;

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

@EnableDiscoveryClient
@SpringBootApplication
public class OrderApplication {

    public static void main(String[] args) {
        SpringApplication.run(OrderApplication.class, args);
    }

}

application.yml

server:
  port: 6667

spring:
  application:
    name: order
  cloud:
    nacos:
      discovery:
        server-addr: 127.0.0.1:8848
  main:
    allow-bean-definition-overriding: true

dubbo:
  cloud:
    subscribed-services: user
  application:
    qos-enable: false
    id: order
  scan:
    base-packages: com.ocean.provider
  protocols:
    dubbo:
      name: dubbo
      port: -1
  registry:
    address: spring-cloud://127.0.0.1

https://download.csdn.net/download/qq_34253002/88522267?spm=1001.2014.3001.5501