spring cloud基础知识 ——spring cloud 的注册服务的发现(二)

爱被打了一巴掌 2022-12-05 09:56 97阅读 0赞

开发工具idea，开发技术spring cloud

我的学习借鉴了 [https://blog.csdn.net/sky786905664/article/details/78995068][https_blog.csdn.net_sky786905664_article_details_78995068]

作者 [Sky786905664][] 的一些文章

不会注册中心的代码和不会新建工程的请看上一篇：

[https://blog.csdn.net/h\_j\_c\_123/article/details/108492187][https_blog.csdn.net_h_j_c_123_article_details_108492187]

我们新建一个新的spring boot工程叫做eureka-client ：

添加依赖：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hfal9jXzEyMw_size_16_color_FFFFFF_t_70][]

依赖信息：

<?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>2.1.16.RELEASE</version>
          <relativePath/> 
       </parent>
       <groupId>com.dream.cloud</groupId>
       <artifactId>eureka-client</artifactId>
       <version>0.0.1-SNAPSHOT</version>
       <name>eureka-client</name>
       <description>Demo project for Spring Boot</description>
    
       <properties>
          <java.version>1.8</java.version>
          <spring-cloud.version>Greenwich.SR6</spring-cloud.version>
       </properties>
    
       <dependencies>
          <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
          </dependency>
    
          <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
          </dependency>
    
          <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
          </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>
          </dependencies>
       </dependencyManagement>
    
       <build>
          <plugins>
             <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
          </plugins>
       </build>
    
    </project>

启动文件上加上@EnableEurekaClient注解 这个注解是为了让注册中心发现而加上的

@SpringBootApplication
    @EnableEurekaClient
    public class EurekaClientApplication {
    
       public static void main(String[] args) {
          SpringApplication.run(EurekaClientApplication.class, args);
       }
    
    }

配置文件：

server.port=8082
    eureka.client.register-with-eureka=true
    eureka.client.fetch-registry=true
    eureka.client.serviceUrl.defaultZone=http://localhost:8081/eureka/
    spring.application.name=eurekaclient

新建一个controller

@RestController
    @RequestMapping(value = "/index")
    public class ServiceClientController {
        @Value("${server.port}")
        String port;
    
        @RequestMapping(value = "/hi")
        public String home(@RequestParam String name) {
            return "eureka-client ===> hi " + name + ",i am from port:\t" + port;
        }
    
    }
    
    启动该项目，同时注册中心也要启动

启动效果：

注册中心发现了这个服务

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hfal9jXzEyMw_size_16_color_FFFFFF_t_70 1][]

码云地址：[https://gitee.com/hjc2/springcloud.git][https_gitee.com_hjc2_springcloud.git]

[https_blog.csdn.net_sky786905664_article_details_78995068]: https://blog.csdn.net/sky786905664/article/details/78995068
[Sky786905664]: https://me.csdn.net/Sky786905664
[https_blog.csdn.net_h_j_c_123_article_details_108492187]: https://blog.csdn.net/h_j_c_123/article/details/108492187
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hfal9jXzEyMw_size_16_color_FFFFFF_t_70]: /images/20221123/3b1d0ca1720b478db40d408a4370b7bc.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2hfal9jXzEyMw_size_16_color_FFFFFF_t_70 1]: /images/20221123/b40dfeda51d94120b86ff685fbd9530d.png
[https_gitee.com_hjc2_springcloud.git]: https://gitee.com/hjc2/springcloud.git