SpringCloud注册中心切换nacos

 SpringBoot与nacos版本对应关系

https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E

导读

　　因为种种原因，现在很多公司微服务的注册中心不在使用eureka，纷纷转向阿里的nacos，公司早就在使用nacos，但是是别人搭建的，出于好奇，今天自己手动创建项目，完整搭建一遍...自己动手丰衣足食

搭建nacos

点我直达

创建项目

api-product

项目结构

pom.xml

<?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.ybchen</groupId>
    <artifactId>api-product</artifactId>
    <version>1.0-SNAPSHOT</version>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
            <version>2.2.0.RELEASE</version>
        </dependency>

    </dependencies>

</project>

IProduct.java

package com.ybchen;

import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

// name=服务名
@FeignClient(name = "service-product")
@RequestMapping("/api/v1/product")
public interface IProduct {
    @GetMapping("getData")
    Object getData(@RequestParam("name") String name);
}

service-product

项目结构

pom.xml

<?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>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.18.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.ybchen</groupId>
    <artifactId>service-product</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>service-product</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.ybchen</groupId>
            <artifactId>api-product</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <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>
        </dependency>
        <!--nacos-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
        <!--ribbon-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
        </dependency>
        <!--openfeign-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
    </dependencies>
    <!--管理cloud-->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Greenwich.SR6</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

application.properties

server.port=8888
#nacos config
spring.cloud.nacos.discovery.server-addr=47.116.143.16:8848
spring.application.name=service-product

bootstrap.properties

#nacos config
spring.cloud.nacos.config.server-addr=47.116.143.16:8848
spring.application.name=service-product

ServiceProductApplication.java

package com.ybchen.serviceproduct;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

@EnableFeignClients
@EnableDiscoveryClient
@SpringBootApplication
public class ServiceProductApplication {
    @Bean
    @LoadBalanced
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

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

}

IProductImpl.java

package com.ybchen.serviceproduct.service;

import com.ybchen.IProduct;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

/**
 * @Description：
 * @Author：chenyanbin
 * @Date：2020/12/26 4:07 下午
 * @Versiion：1.0
 */
@RestController
public class IProductImpl implements IProduct {
    @Override
    public Object getData(String name) {
        Map<String,String> resultMap=new HashMap<>();
        resultMap.put("id","1");
        resultMap.put("name",name);
        return resultMap;
    }
}

service-order

项目结构

pom.xml

<?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>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.18.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.ybchen</groupId>
    <artifactId>service-order</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>service-order</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.ybchen</groupId>
            <artifactId>api-product</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <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>
        <!--nacos-->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2.0.0.RELEASE</version>
        </dependency>
        <!--ribbon-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
        </dependency>
        <!--openfeign-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
    </dependencies>
    <!--管理cloud-->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Greenwich.SR6</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

application.properties

server.port=9999
#nacos config
spring.cloud.nacos.discovery.server-addr=47.116.143.16:8848
spring.application.name=service-order

bootstrap.properties

#nacos config
spring.cloud.nacos.config.server-addr=47.116.143.16:8848
spring.application.name=service-order

ServiceOrderApplication.java

package com.ybchen.serviceorder;

import com.ybchen.IProduct;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

@EnableFeignClients(clients = {
        IProduct.class
})
@EnableDiscoveryClient
@SpringBootApplication
public class ServiceOrderApplication {
    @Bean
    @LoadBalanced
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

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

}

PayVO.java

package com.ybchen.serviceorder.vo;

/**
 * @Description：
 * @Author：chenyanbin
 * @Date：2020/12/26 4:11 下午
 * @Versiion：1.0
 */
public class PayVO {
    private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override 
    public String toString() {
        return "PayVO{" +
                "name='" + name + '\'' +
                '}';
    }
}

PayOrderController.java

package com.ybchen.serviceorder.controller;

import com.ybchen.IProduct;
import com.ybchen.serviceorder.vo.PayVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.Map;

/**
 * @Description：
 * @Author：chenyanbin
 * @Date：2020/12/26 4:10 下午
 * @Versiion：1.0
 */
@RestController
public class PayOrderController {
    @Autowired
    private IProduct product;

    @PostMapping("pay")
    public Object pay(@RequestBody PayVO vo) {
        Object data = product.getData(vo.getName());
        Map<String, String> result = (Map) data;
        result.put("status","支付成功");
        return result;
    }
}

项目启动

测试

项目源码

链接: https://pan.baidu.com/s/1EfYjpiJaAKCyuLKnPiqckw  密码: o3uf