spring cloud 分布式实战——Zuul

Zuul – 服务网关

反向代理和负载均衡，大前置的感觉

pom

org.springframework.cloud

spring-cloud-starter-zuul

org.springframework.cloud

spring-cloud-starter-eureka

yml

spring:

application:

name: haha

server:

port: 8082

zuul:

host:

connect-timeout-millis: 60000

socket-timeout-millis: 60000

# url匹配规则

routes:

auth:

path: /auth/**

service-id: haha-auth

eureka:

client:

service-url:

defaultZone: http://localhost:8081/eureka/

启动类

@EnableEurekaClient

@EnableZuulProxy

@SpringBootApplication

public class ZuulApplication

{

public static void main(String[] args)

{

SpringApplication.run(ZuulApplication.class, args);

}

}

测试。

启动一个client，匹配url规则

pom

org.springframework.cloud

spring-cloud-starter-eureka

yml

spring:

application:

# 对应zuul的url匹配规则的service-id

name: haha-auth

server:

port: 8083

eureka:

client:

service-url:

defaultZone: http://localhost:8081/eureka/

随意编写一个controller

@RestController

public class HelloController

{

@GetMapping("hello/{name}")

public String hello(@PathVariable String name)

{

return "hi:" + name;

}

}

启动，访问单机测试案例

http://127.0.0.1:8083/hello/aaa

结果:

# 测试zuul的反向代理

访问: http://127.0.0.1:8082/auth/hello/aaa

结果：

总结

经过以上代码，可以提现zuul的反向代理，代理规则是url匹配规则，其次还有一个强大功能，负载均衡，我们可以把测试client 复制一份，修改端口启动，再次访问zuul，其结果将会在2个启动服务负载调用