SpringBoot2 整合Nacos组件及环境搭建和入门案例解析

<!-- Nacos 组件依赖 -->

<dependency>

     <groupId>com.alibaba.boot</groupId>

     <artifactId>nacos-discovery-spring-boot-starter</artifactId>

     <version> 0.2 . 3 </version>

</dependency>

<dependency>

     <groupId>com.alibaba.boot</groupId>

     <artifactId>nacos-config-spring-boot-starter</artifactId>

     <version> 0.2 . 3 </version>

</dependency>

nacos:

   config:

     server-addr: 127.0 . 0.1 : 8848

   discovery:

     server-addr: 127.0 . 0.1 : 8848

@EnableSwagger2

@SpringBootApplication

@NacosPropertySource (dataId = "WARE_ID" , autoRefreshed = true )

public class Application7017 {

     public static void main(String[] args) {

         SpringApplication.run(Application7017. class ,args) ;

     }

}

import com.alibaba.nacos.api.annotation.NacosInjected;

import com.alibaba.nacos.api.exception.NacosException;

import com.alibaba.nacos.api.naming.NamingService;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;

@Configuration

public class NacosConfig {

     @Value ( "${server.port}" )

     private int serverPort;

     @Value ( "${spring.application.name}" )

     private String applicationName;

     @NacosInjected

     private NamingService namingService;

     @PostConstruct

     public void registerInstance() throws NacosException {

         namingService.registerInstance(applicationName, "127.0.0.1" , serverPort);

     }

}

@Api ( "Nacos接口管理" )

@RestController

@RequestMapping ( "/nacos" )

public class NacosController {

     @NacosValue (value = "${MyName:null}" , autoRefreshed = true )

     private String myName;

     @NacosValue (value = "${project:null}" , autoRefreshed = true )

     private String project;

     @ApiOperation (value= "查询配置信息" )

     @GetMapping (value = "/info" )

     public String info () {

         return myName+ ":" +project;

     }

     @NacosInjected

     private NamingService namingService;

     @ApiOperation (value= "查询服务列表" )

     @GetMapping (value = "/getServerList" )

     public List<Instance> getServerList ( @RequestParam String serviceName) {

         try {

             return namingService.getAllInstances(serviceName) ;

         } catch (Exception e){

             e.printStackTrace();

         }

         return null ;

}