SpringCloud GateWay+Nacos 集群

新建模块 gateway port:8888

POM

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>springclound</artifactId>
        <groupId>com.hztech</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>geteway-provider</artifactId>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <dependencies>
        <!-- hystrix
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
        </dependency>
        -->
        <!-- nacos注册中心 -->
        <!--
        由于SpringCloud Feign在Hoxton.M2 RELEASED版本之后不再使用Ribbon而是使用spring-cloud-loadbalancer，
        所以不引入spring-cloud-loadbalancer会报错 解决方法 加入spring-cloud-loadbalancer依赖 并且在nacos中排除ribbon依赖，不然loadbalancer无效
        -->
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.cloud</groupId>
                    <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-loadbalancer</artifactId>
        </dependency>
        <!-- openFeign          -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
        </dependency>
        <!--spring cloud gateway-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-gateway</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>


        <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>

        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.hztech</groupId>
            <artifactId>cloud-api-common</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>


    </dependencies>
</project>

application.yml

server:
  port: 8888
spring:
  cloud:
    gateway:
        discovery:
          locator:
            enabled: true #开启从注册中心动态创建路由的功能，利用微服务名进行路由
        routes: #多个路由
          - id: payment_routh  # 路由ID ， 没有固定的规则但要求唯一，建议配合服务名

            #uri+predicates  要访问这个路径得先经过8888处理
            uri: lb://cloud-payment-service  # 匹配成功后提供服务的路由地址
            predicates:
              - Path=/payment/get/**  # 断言，路径相匹配的进行路由

          - id: payment_routh2
            uri: lb://cloud-payment-service # lb 属于GateWay 的关键字，代表是动态uri，即代表使用的是服务注册中心的微服务名，它默认开启使用负载均衡机制

            predicates:
              - Path=/payment/create

    nacos:
      discovery:
        server-addr: 192.168.1.254 #  keepalived+nginx 集群

    inetutils:
      ignored-interfaces: 'VMware Virtual Ethernet Adapter for VMnet1,VMware Virtual Ethernet Adapter for VMnet8'
  application:
    name: service-gateway

主启动类

@SpringBootApplication
@EnableDiscoveryClient
public class ServiceGateway {


    public static void main(String[] args) {

        SpringApplication.run( ServiceGateway.class, args);

    }

}

目录结构