Springboot SpringCloudAlibaba Nacos 项目搭建

待我称王封你为后i 2024-02-19 11:33 39阅读 0赞

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][Linux Nacos _nacos linux_-CSDN]

## 2.构建项目 ##

[源码地址][Link 1]

### 2.1 项目目录 ###

![39da358ac78a48de9cf7ca6e194d4f9e.png][]

### 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>
    
            
            <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>
    
            
            <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 ####

![41ac688bf79345a3961a531731c7f310.png][]

#### 2.3.2 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>
    
    
    
    <?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>
    
    
    
    <?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** ####

**目录**

![ee86348acc694e049cf89f25cbd54d2a.png][]

**代码**

**UserProviderService.java**

package com.ocean.provider;
    
    public interface UserProviderService {
    
        String getUserName();
    
    }

#### 2.3.4 dubbo-user-api代码 ####

**目录**

![4ac87a2dbd2548e4b8b7b35405112b45.png][]

**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 ####

![1d0c34e5bb914ca7ab8b954a34f0e9c1.png][]

#### 2.4.2 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>
    
    
    <?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][Link 1]

[nacos]: https://so.csdn.net/so/search?q=nacos&spm=1001.2101.3001.7020
[Linux Nacos _nacos linux_-CSDN]: https://blog.csdn.net/qq_34253002/article/details/121561237
[Link 1]: https://download.csdn.net/download/qq_34253002/88522267?spm=1001.2014.3001.5501
[39da358ac78a48de9cf7ca6e194d4f9e.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/1b1288e729854d32b139c3e60abc1d88.png
[41ac688bf79345a3961a531731c7f310.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/4836f1ded87c437ca4d3ea49b44d7452.png
[ee86348acc694e049cf89f25cbd54d2a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/7da108e9a8ff444099c39108b0cfc650.png
[4ac87a2dbd2548e4b8b7b35405112b45.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/df5539a4e0a047f1b44f7e7fb86adbd4.png
[1d0c34e5bb914ca7ab8b954a34f0e9c1.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/19/c46e6f410b5549c7aa21f64b35216912.png