SpringCloud - 07路由网关zuul
(1)Zuul介绍
- Zuul包含了对请求的路由和过滤两个最主要的功能:
- 路由功能负责将外部请求转发到具体的微服务实例上,是实现外部访问统一入口的基础。
- 过滤功能负责对请求的处理过程进行干预,是实现请求校验、服务聚合等功能的基础。
- Zuul和Eureka进行整合,将Zuul自身注册为Eureka服务治理下的应用,同时从Eureka中获得其他微服务的信息,以后访问微服务都是通过Zuul跳转后获得。
- Zuul服务最终还是会注册到Eureka。
(2)构建microservicecloud-zuul-gateway
(2.1)POM文件
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
(2.2)application.yml 配置文件
server:
port: 7010
spring:
application:
name: microservicecloud-zuul-gateway
eureka:
instance:
instance-id: zuul7010.com
prefer-ip-address: true
client:
service-url:
defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eureka,http://eureka7003.com:7003/eureka
(2.3)主启动类
@SpringBootApplication
@EnableZuulProxy
public class ZuulGatewayApplication { }
(2.4)测试: 先启动Eureka集群,再启动服务提供者,然后启动网关

(2.5)修改配置文件
(2.5.1)设置别名路径
zuul: // 新增
routes:
dept.serviceId: microservicecloud-dept-provider
dept.path: /gw-dept/**

(2.5.2)忽略原真实服务名访问
zuul:
routes:
dept.serviceId: microservicecloud-dept-provider
dept.path: /gw-dept/**
ignored-services: microservicecloud-dept-provider // ignored-services: "*" 忽略所有

(2.5.3)添加前缀
zuul:
routes:
dept.serviceId: microservicecloud-dept-provider
dept.path: /gw-dept/**
ignored-services: "*"
prefix: /bearpx

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