springcloud zuul使用

主要使用了分发的功能

三个服务端口分别是9091 9092 9093

现在使用zuul 统一对外暴露端口是9090

新建一个zuul服务

pom

    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka-server</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zuul</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <version>1.5.4.RELEASE</version>
        </dependency>

    </dependencies>

启动类

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.context.annotation.Bean;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@SpringBootApplication
@EnableEurekaServer
@EnableZuulProxy
public class ZuulServerApplication {

    public static void main(String[] args) {
        SpringApplication.run(ZuulServerApplication.class, args);
    }
    
    /**
     * 项目可以进行跨域请求。
     * @return
     */
    @Bean
    public WebMvcConfigurer webMvcConfigurer() {
        return new WebMvcConfigurerAdapter() {
            @Override
            public void addCorsMappings(CorsRegistry registry) {
                registry.addMapping("/**").allowedOrigins("*").allowedMethods("*");
            }
        };
    }

配置文件

server.port=9090
eureka.client.serviceUrl.defaultZone=http://10.38.0.5:8761/eureka/
spring.application.name=zuulserver
zuul.routes.product.path=/product/**
zuul.routes.product.service-id=product
zuul.routes.order.path=/order/**
zuul.routes.order.service-id=order

另外的服务是product 和 order 

service-id 是其他服务在ererka上的服务名