docker安装单节点nacos
访问地址:192.168.31.100:8848/nacos
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.3.7.RELEASE</spring-boot.version>
<spring-cloud.version>Hoxton.SR9</spring-cloud.version>
<spring-cloud-alibaba.version>2.1.0.RELEASE</spring-cloud-alibaba.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<!--spring cloud alibaba 2.1.0.RELEASE-->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
server:
port: 8001
spring:
application:
name: provider
cloud:
nacos:
discovery:
server-addr: 192.168.31.100:8848
#暴露监控
management:
endpoints:
web:
exposure:
include: '*'
@RestController
@RequestMapping("/provider")
public class ProviderController {
@Value("${server.port}")
private Integer port;
@GetMapping("/hello")
public String hello(){
return "Hello nacos , server port is "+port;
}
}
@SpringBootApplication
@EnableDiscoveryClient
public class NacosProviderApplication {
public static void main(String[] args) {
SpringApplication.run(NacosProviderApplication.class, args);
}
}
这里跟上面的服务提供方一样,只需要改一下配置类中的端口
这里实例数变成了俩个
<dependencies>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
server:
port: 9003
spring:
application:
name: customer
cloud:
nacos:
discovery:
server-addr: 192.168.31.100:8848
@Configuration
public class RestTemplateConfig {
@Bean
@LoadBalanced
public RestTemplate restTemplate(){
return new RestTemplate();
}
}
@RestController
@RequestMapping("/customer")
public class CustomerController {
@Autowired
private RestTemplate restTemplate;
private final String SERVER_URL="http://provider";
@GetMapping(value = "/hello")
public String hello(){
return restTemplate.getForObject(SERVER_URL+"/provider/hello", String.class);
}
}
@SpringBootApplication
@EnableDiscoveryClient
public class NacosConsumerApplication {
public static void main(String[] args) {
SpringApplication.run(NacosConsumerApplication.class, args);
}
}
这里@LoadBalanced
注解起作用了,实现了轮询
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原文链接 : https://blog.csdn.net/weixin_43296313/article/details/120949465
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