基于spring-cloud-zuul的路由网关设置

由于微服务的日益增多，管理也会不方便，所以需要一个可以集中管理所有服务的功能（类似sevelet的filter），可以在此做同一的权限入口管理

新建一个模块spring-cloud-gateway

增加zuul及相关依赖如下：

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <artifactId>spring-cloud-gateway</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <java.version>1.8</java.version>
        <file.encoding>UTF8</file.encoding>
        <spring-cloud.version>Finchley.SR2</spring-cloud.version>
    </properties>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.2.RELEASE</version>
    </parent>

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

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
    
</project>

application.properties

server.port=8886
spring.application.name=gateway-service
eureka.client.service-url.defaultZone=http://localhost:8881/eureka/

#调用路径服务的路径
zuul.routes.eureka-client.path=/eureka-client/**

#调用服务的链接（不推荐，失去了均衡负载功能，只能使用一个服务）
#zuul.routes.lisiHello.url=http://localhost:8882/
#调用服务的id,即调用服务的名称 spring.application.name
zuul.routes.eureka-client.serviceId=eureka-client

主方法只需要添加相关注解即可
application.java

package top.littlematch.gateway;

import org.springframework.boot.SpringApplication;
import org.springframework.cloud.client.SpringCloudApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;

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

依次启动eureka-server,eureka-client,gateway-service再调用

http://localhost:8886/hello?name=match

浏览器返回：

hello! match

gitee代码地址：https://gitee.com/leftbehindmatches/spring-cloud-examples/tree/master/spring-cloud-gateway

基于spring-cloud-zuul的路由网关设置

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