07-Zuul：路由网关

最新推荐文章于 2022-04-21 20:46:04 发布

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Zuul：路由网关

概述

Zuul包含了对请求的路由和过滤两个最主要的功能:

其中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，而过滤器功能则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消息，也即以后的访问微服务都是通过Zuul跳转后获得。

注意:Zuul服务最终还是会注册进Eureka

提供:代理＋路由＋过滤三大功能!

第一步、new module 加依赖

springcloud-zuul-9527

<!--     zuul   -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zuul</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-hystrix</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-hystrix-dashboard</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-ribbon</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-feign</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
            <version>1.4.6.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>com.tian</groupId>
            <artifactId>springcloud-api</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>

第二步、application.xml

server:
  port: 9527
spring:
  application:
    name: springcloud-zuul
eureka:
  client:
    service-url:
      defaultZone: http://eureka7001.com:7001/eureka/,http://eureka7002.com:7002/eureka/,http://eureka7003.com:7003/eureka/
  instance:
    instance-id: zuul9527.com
    prefer-ip-address: true

info:
  app.name : kuang-springcloud
  company.name: blog.kuangstudy.com
#  zuul配置
zuul:
  routes:
    mydept.serviceId : springcloud-provider-dept
    mydept.path : /mydept/**
  ignored-services: springcloud-provider-dept #不能再用这个路径访问了
#  prefix: /kuang # 设置前缀 访问地址都得加上 /kuang
#ignored-services: "*" 隐藏所有的

第三步、主启动类

package com.tian.springcloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;

@SpringBootApplication
@EnableZuulProxy
public class ZuulApplication_9527 {
    public static void main(String[] args) {
        SpringApplication.run(ZuulApplication_9527.class,args);
    }
}