(三) Nacos Client获取所有服务和定时更新Client端的注册表

文章目录

• • • 1.Nacos Client获取所有服务
  • • 1.1 Client如何获取所有服务
    • 1.2 Client获取服务方法getServices()详解
  • 2.Nacos定时更新Client端的注册表
  • • 2.1 Nacos和Eureka定时更新Client端的注册表的区别
    • 2.2 Client定时更新本地服务过程
    • 2.3 updateServiceNow方法解析
    • 2.4 定时更新本地注册表中的当前服务

Nacos的服务发现功能: 获取所有服务, 定时更新Client端的注册表

1.Nacos Client获取所有服务

1.1 Client如何获取所有服务

 <dependency>
     <groupId>com.alibaba.cloud</groupId>
     <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
 </dependency>

NacosDiscoveryClientAutoConfiguration.java

@Configuration
@ConditionalOnNacosDiscoveryEnabled
@AutoConfigureBefore({
   
      SimpleDiscoveryClientAutoConfiguration.class,
		CommonsClientAutoConfiguration.class })
public class NacosDiscoveryClientAutoConfiguration {
   
     

	@Bean
	@ConditionalOnMissingBean
	public NacosDiscoveryProperties nacosProperties() {
   
     
		return new NacosDiscoveryProperties();
	}

	@Bean
	public DiscoveryClient nacosDiscoveryClient(
			NacosDiscoveryProperties discoveryProperties) {
   
     
		return new NacosDiscoveryClient(discoveryProperties);
	}

	@Bean
	@ConditionalOnMissingBean
	@ConditionalOnProperty(value = "spring.cloud.nacos.discovery.watch.enabled", matchIfMissing = true)
	public NacosWatch nacosWatch(NacosDiscoveryProperties nacosDiscoveryProperties) {
   
     
		return new NacosWatch(nacosDiscoveryProperties);
	}
}