微服务 ： SpringCloud + Nacos + Feign

package org.springframework.order; import com.alibaba.cloud.nacos.ribbon.NacosRule; import com.netflix.loadbalancer.IRule; import org.springframework.beans.factory.ObjectProvider; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; import org.springframework.boot.autoconfigure.http.HttpMessageConverters; import org.springframework.cloud.client.discovery.EnableDiscoveryClient; import org.springframework.cloud.client.loadbalancer.LoadBalanced; import org.springframework.cloud.openfeign.EnableFeignClients; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Scope; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.web.client.RestTemplate; import java.util.stream.Collectors; @SpringBootApplication @EnableDiscoveryClient//开启服务注册发现功能 @EnableFeignClients({ "org.springframework.order.service" }) public class OrderApplication { /** * 使用 openFeign的时候必须加入这个, * 否则会报错: No qualifying bean of type 'org.springframework.boot.autoconfigure.http.HttpMessageConverters' available: * @param converters * @return */ @Bean @ConditionalOnMissingBean public HttpMessageConverters messageConverters(ObjectProvider<HttpMessageConverter<?>> converters) { return new HttpMessageConverters(converters.orderedStream().collect(Collectors.toList())); } public static void main( String[] args ) { SpringApplication.run(OrderApplication.class); System.err.println("=========OrderApplication start successfully========="); } }