路由网关Zuul
Zuul简介
Zuul的主要功能是路由转发和过滤器。路由功能是微服务的一部分,比如/api/user转发到到user服务,/api/shop转发到到shop服务。zuul默认和Ribbon结合实现了负载均衡的功能。
准备工作
首先在父模块下,创建一个名称为service-zuul,pom.xml文件配置如下:
<parent>
<artifactId>springcloud-lesson</artifactId>
<groupId>com.mk</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>service-zuul</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
</dependencies>
创建启动类ZuulApplication,并添加@EnableZuulProxy
注解开启zuul网关的功能,如下:
@SpringBootApplication
@EnableZuulProxy
@EnableEurekaClient
public class ZuulApplication {
public static void main(String[] args) {
SpringApplication.run(ZuulApplication.class);
}
}
新建配置文件application.yml,并添加以下的配置:
server:
port: 8769
spring:
application:
name: service-zuul
eureka:
client:
serviceUrl:
defaultZone: http://localhost:8761/eureka/
instance:
prefer-ip-address: true
instance-id: ${spring.cloud.client.ip-address}:${server.port}
zuul:
routes:
api-a:
path: /api-a/**
serviceId: consumer-ribbon
api-b:
path: /api-b/**
serviceId: consumer-fegin
首先指定服务注册中心的地址为http://localhost:8761/eureka/,服务的端口为8769,服务名为service-zuul;以/api-a/ 开头的请求都转发给consumer-ribbon服务;以/api-b/开头的请求都转发给consumer-feign服务;
启动服务;打开浏览器访问:http://localhost:8769/api-a/hello?name=xiaoming;浏览器显示:
hello, xiaoming, 我是服务提供者:端口为:8080
启动服务;打开浏览器访问:http://localhost:8769/api-b/hello?name=xiaoming;浏览器显示:
通过fegin客户端调用结果为:hello, xiaoming, 我是服务提供者:端口为:8080
这说明zuul的路由转发功能生效了
标签: SpringCloud Zuul