gateway

gateway & nacos & ribbon负载 

server:
  port: 8200
spring:
  application:
    name: lc-gateway
  cloud:
    nacos:
      discovery:
        #注册中心地址
        server-addr: 127.0.0.1:8848
        namespace: mainconsole
      config:
        server-addr: 127.0.0.1:8848
        # 配置中心-指定命名空间
        namespace: mainconsole
        # 指定配置文件后缀
        file-extension: yaml
        #配置组
        group: DEFAULT_GROUP
        #配置dateId
        data-id: lc-gateway
        #获取配置超时时间
        timeout: 5000

    gateway:
      #设置超时时间默认
      httpclient:
        connect-timeout: 1000
        response-timeout: 5s
      routes:
        - id: order_route  # 路由的唯一标识，路由到order
          uri: lb://service-provider-xmh # 需要转发的地址  lb:  使用nacos中的本地负载均衡策略
#          uri: http://127.0.0.1:9091/hello2
          # 断言规则 用于路由规则的匹配
          predicates:
            - Path=/order/**

@EnableDiscoveryClient
@SpringBootApplication(scanBasePackages="cn",exclude={DataSourceAutoConfiguration.class})
//@ComponentScan
public class ApplicationXmhTest {
    public static void main(String[] args) {
        SpringApplication.run(ApplicationXmhTest.class, args);
    }


    <dependencies>
        <dependency>
            <groupId>com.alibaba.nacos</groupId>
            <artifactId>nacos-client</artifactId>
            <version>1.4.0</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2021.1</version>
            <exclusions>
                <exclusion>
                    <groupId>org.apache.httpcomponents</groupId>
                    <artifactId>httpasyncclient</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-commons</artifactId>
            <version>3.1.3</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
            <version>3.1.3</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
            <version>3.1.4</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
            <version>2021.1</version>
        </dependency>
        <dependency>
            <groupId>org.yaml</groupId>
            <artifactId>snakeyaml</artifactId>
            <version>1.33</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>5.3.23</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.13.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
            <version>3.1.4</version>
        </dependency>
    </dependencies>



需要负载的应用实例配置
server.port=9091
spring.application.name=service-provider-xmh
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
spring.cloud.nacos.discovery.namespace=mainconsole



 <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>2.7.4</version>
            <exclusions>
                <exclusion>
                    <groupId>org.hibernate.validator</groupId>
                    <artifactId>hibernate-validator</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2021.1</version>
            <exclusions>
                <exclusion>
                    <groupId>org.apache.httpcomponents</groupId>
                    <artifactId>httpasyncclient</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-commons</artifactId>
            <version>3.1.3</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-bootstrap</artifactId>
            <version>3.1.3</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.13.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-loadbalancer</artifactId>
            <version>3.1.4</version>
        </dependency>
    </dependencies>