文章目錄

• 服務提供方：
• 服務消費者
• 測試

先啟動本地的nacos中心
代碼：

服務提供方：

依賴：

<dependencies><!--SpringCloud ailibaba nacos --><dependency><groupId>com.alibaba.cloud</groupId><artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId></dependency><!-- SpringBoot整合Web組件 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!--日常通用jar包配置--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies>

配置：

server:port: 9001spring:application:name: nacos-payment-providercloud:nacos:discovery:server-addr: localhost:8848 #配置Nacos地址management:endpoints:web:exposure:include: '*'

controller：

@RestController public class PaymentController {@Value("${server.port}")private String serverPort;@GetMapping(value = "/payment/nacos/{id}")public String getPayment(@PathVariable("id") Integer id){return "nacos registry, serverPort: "+ serverPort+"\t id"+id;} }

啟動類：

@EnableDiscoveryClient @SpringBootApplication public class PaymentMain9001 {public static void main(String[] args) {SpringApplication.run(PaymentMain9001.class, args);} }

服務消費者

依賴：

<dependencies><!--SpringCloud ailibaba nacos --><dependency><groupId>com.alibaba.cloud</groupId><artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId></dependency><!-- 引入自己定義的api通用包，可以使用Payment支付Entity --><dependency><groupId>com.atguigu.springcloud</groupId><artifactId>cloud-api-commons</artifactId><version>${project.version}</version></dependency><!-- SpringBoot整合Web組件 --><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><!--日常通用jar包配置--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies>

配置：

server:port: 83spring:application:name: nacos-order-consumercloud:nacos:discovery:server-addr: localhost:8848#消費者將要去訪問的微服務名稱(注冊成功進nacos的微服務提供者) service-url:nacos-user-service: http://nacos-payment-provider

service:

@FeignClient(value = "nacos-payment-provider",fallback = PaymentFallbackService.class) public interface PaymentService {@GetMapping(value = "/paymentSQL/{id}")public CommonResult<Payment> paymentSQL(@PathVariable("id") Long id); } @Component public class PaymentFallbackService implements PaymentService {@Overridepublic CommonResult<Payment> paymentSQL(Long id){return new CommonResult<>(44444,"服務降級返回,---PaymentFallbackService",new Payment(id,"errorSerial"));} }

config:

@Configuration public class ApplicationContextConfig {@Bean@LoadBalancedpublic RestTemplate getRestTemplate(){return new RestTemplate();} }

controller:

@RestController @Slf4j public class OrderNacosController {@Resourceprivate RestTemplate restTemplate;@Value("${service-url.nacos-user-service}")private String serverURL;@GetMapping(value = "/consumer/payment/nacos/{id}")public String paymentInfo(@PathVariable("id") Long id){return restTemplate.getForObject(serverURL+"/payment/nacos/"+id,String.class);}}

啟動類：

@EnableDiscoveryClient @SpringBootApplication @EnableFeignClients public class OrderNacosMain84 {public static void main(String[] args) {SpringApplication.run(OrderNacosMain84.class, args);} }

測試

查看nacos管理界面：

訪問接口：

總結

以上是生活随笔為你收集整理的nacos+openfeign服务提供和服务消费远程调用代码简单实例2的全部內容，希望文章能夠幫你解決所遇到的問題。

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