nacos服务注册
2023-03-20 15:02:33 时间
这篇文章介绍一下如何在nacos中注册服务,主要步骤有:一.启动nacos,二.搭建alibaba spring cloud脚手架。三.配置,服务注册。
一.启动nacos
以单机模式启动nacos:.startup.cmd -m standalone
2.搭建alibaba spring cloud脚手架
访问https://start.aliyun.com/bootstrap.html,GroupID: com.alibaba.cloud,Artifact:nocos-discovery-provider-sample,选择依赖:Nacos Service Discovery,Spring Web,Cloud Bootstrap.
pom文件如下:
<?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>2.6.11</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.alibaba.cloud</groupId> <artifactId>nocos-discovery-provider-sample</artifactId> <version>0.0.1-SNAPSHOT</version> <name>nocos-discovery-provider-sample</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> <spring-cloud-alibaba.version>2021.0.4.0</spring-cloud-alibaba.version> <spring-cloud.version>2021.0.4</spring-cloud.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <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> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> <encoding>UTF-8</encoding> </configuration> </plugin> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
3.配置,服务注册
在application.properties中配置相应的nacos设置,配置文件如下:
spring.application.name=nocos-discovery-provider-sample
spring.cloud.nacos.discovery.username=nacos
spring.cloud.nacos.discovery.password=nacos
spring.cloud.nacos.discovery.server-addr=localhost:8848
spring.cloud.nacos.discovery.namespace=public
server.port=8080
启动类:
package com.alibaba.cloud.nocosdiscoveryprovidersample; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; @SpringBootApplication @EnableDiscoveryClient public class NocosDiscoveryProviderSampleApplication { public static void main(String[] args) { SpringApplication.run(NocosDiscoveryProviderSampleApplication.class, args); } }
注意加上标注@EnableDiscoveryClient
尝试写一个服务:
package com.alibaba.cloud.nocosdiscoveryprovidersample.controller; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RestController; @RestController public class ServiceController { @GetMapping("/echo/{message}") public String echo(@PathVariable String message) { return "[echo] :"+message; } }
启动,查看nacos后台,如果看到如下所示,则代表服务注册成功:
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