From 89c14ddeebc2e777855df5d66d21fa35df5b757f Mon Sep 17 00:00:00 2001 From: bunny <1319900154@qq.com> Date: Tue, 20 May 2025 21:38:52 +0800 Subject: [PATCH] =?UTF-8?q?:sparkles:=20=E5=8F=91=E7=8E=B0=E6=9C=8D?= =?UTF-8?q?=E5=8A=A1=E4=BF=A1=E6=81=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- cloud-demo/ReadMe.md | 28 +++++++++++++ cloud-demo/pom.xml | 7 +--- cloud-demo/services/pom.xml | 5 +++ .../service/OrderServiceApplication.java | 2 + .../java/cn/bunny/service/DiscoveryTest.java | 42 +++++++++++++++++++ .../service/ProductServiceApplication.java | 2 + 6 files changed, 80 insertions(+), 6 deletions(-) create mode 100644 cloud-demo/services/service-order/src/test/java/cn/bunny/service/DiscoveryTest.java diff --git a/cloud-demo/ReadMe.md b/cloud-demo/ReadMe.md index 40c529f..b4c39c8 100644 --- a/cloud-demo/ReadMe.md +++ b/cloud-demo/ReadMe.md @@ -237,3 +237,31 @@ networks: # 定义网络 driver: bridge # 使用 bridge 驱动（默认） ``` +## 注册中心 + +### 服务发现 + +发现服务信息。 + +```java +for (String service : discoveryClient.getServices()) { + System.out.println(service); + + for (ServiceInstance instance : discoveryClient.getInstances(service)) { + System.out.println("IP地址：" + instance.getHost()); + System.out.println("端口号" + instance.getPort()); + } +} + +System.out.println("----------------------------------------------"); + +// 两个方式一样，DiscoveryClient 是 Spring自带的 NacosDiscoveryClient是 Nacos +for (String service : nacosDiscoveryClient.getServices()) { + System.out.println(service); + + for (ServiceInstance instance : nacosDiscoveryClient.getInstances(service)) { + System.out.println("IP地址：" + instance.getHost()); + System.out.println("端口号" + instance.getPort()); + } +} +``` diff --git a/cloud-demo/pom.xml b/cloud-demo/pom.xml index 37d08ff..f205c17 100644 --- a/cloud-demo/pom.xml +++ b/cloud-demo/pom.xml @@ -48,12 +48,7 @@ ${junit.version} test - - org.springframework.boot - spring-boot-starter-test - test - - + com.alibaba.cloud diff --git a/cloud-demo/services/pom.xml b/cloud-demo/services/pom.xml index da83074..2523ad0 100644 --- a/cloud-demo/services/pom.xml +++ b/cloud-demo/services/pom.xml @@ -37,6 +37,11 @@ + + org.springframework.boot + spring-boot-starter-test + test + junit junit diff --git a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java index 5022a12..19e7969 100644 --- a/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java +++ b/cloud-demo/services/service-order/src/main/java/cn/bunny/service/OrderServiceApplication.java @@ -2,8 +2,10 @@ package cn.bunny.service; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cloud.client.discovery.EnableDiscoveryClient; @SpringBootApplication +@EnableDiscoveryClient public class OrderServiceApplication { public static void main(String[] args) { SpringApplication.run(OrderServiceApplication.class, args); diff --git a/cloud-demo/services/service-order/src/test/java/cn/bunny/service/DiscoveryTest.java b/cloud-demo/services/service-order/src/test/java/cn/bunny/service/DiscoveryTest.java new file mode 100644 index 0000000..3c5d22a --- /dev/null +++ b/cloud-demo/services/service-order/src/test/java/cn/bunny/service/DiscoveryTest.java @@ -0,0 +1,42 @@ +package cn.bunny.service; + +import com.alibaba.cloud.nacos.discovery.NacosDiscoveryClient; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.cloud.client.ServiceInstance; +import org.springframework.cloud.client.discovery.DiscoveryClient; + +@SpringBootTest() +public class DiscoveryTest { + + @Autowired + private DiscoveryClient discoveryClient; + + @Autowired + private NacosDiscoveryClient nacosDiscoveryClient; + + @Test + void discoveryClientTest() { + for (String service : discoveryClient.getServices()) { + System.out.println(service); + + for (ServiceInstance instance : discoveryClient.getInstances(service)) { + System.out.println("IP地址：" + instance.getHost()); + System.out.println("端口号" + instance.getPort()); + } + } + + System.out.println("----------------------------------------------"); + + // 两个方式一样，DiscoveryClient 是 Spring自带的 NacosDiscoveryClient是 Nacos + for (String service : nacosDiscoveryClient.getServices()) { + System.out.println(service); + + for (ServiceInstance instance : nacosDiscoveryClient.getInstances(service)) { + System.out.println("IP地址：" + instance.getHost()); + System.out.println("端口号" + instance.getPort()); + } + } + } +} diff --git a/cloud-demo/services/service-product/src/main/java/cn/bunny/service/ProductServiceApplication.java b/cloud-demo/services/service-product/src/main/java/cn/bunny/service/ProductServiceApplication.java index 689905a..ef092ea 100644 --- a/cloud-demo/services/service-product/src/main/java/cn/bunny/service/ProductServiceApplication.java +++ b/cloud-demo/services/service-product/src/main/java/cn/bunny/service/ProductServiceApplication.java @@ -2,8 +2,10 @@ package cn.bunny.service; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cloud.client.discovery.EnableDiscoveryClient; @SpringBootApplication +@EnableDiscoveryClient public class ProductServiceApplication { public static void main(String[] args) { SpringApplication.run(ProductServiceApplication.class, args);