SpringCloud - zuul网关

POM

    4.0.0

    com.boolib.cloud
    server_zuul
    0.0.1-SNAPSHOT
    jar

    server_zuul
    Demo project for Spring Boot

    
        org.springframework.boot
        spring-boot-starter-parent
        2.0.4.RELEASE
         
    

    
        UTF-8
        UTF-8
        1.8
        Finchley.SR1
    

    
        
            org.springframework.boot
            spring-boot-starter-web
        

        
            
            
        

        
            org.springframework.cloud
            spring-cloud-starter-netflix-eureka-client
        
        
            org.springframework.cloud
            spring-cloud-starter-netflix-zuul
        

        
            org.springframework.boot
            spring-boot-devtools
            runtime
        
        
            org.projectlombok
            lombok
            true
        
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
    

    
        
            
                org.springframework.cloud
                spring-cloud-dependencies
                ${spring-cloud.version}
                pom
                import
            
        
    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
            
        
    

zuul启动项

@SpringBootApplication
@EnableZuulProxy
@EnableEurekaClient
public class ServerZuulApplication {

    public static void main(String[] args) {
        SpringApplication.run(ServerZuulApplication.class, args);
    }
}

参数配置

eureka.client.serviceUrl.defaultZone=http://localhost:8888/eureka/

server.port=8763

spring.application.name=service-zuul

zuul.routes.api-a.path=/member/**

zuul.routes.api-a.service-id=service-order

zuul.routes.api-b.path=/provide/**

zuul.routes.api-b.service-id=service-provide

zuul.routes.api-c.path=/client/**

zuul.routes.api-c.service-id=config-client

ps:api-c 这个是自己写的 service-id = 值 千万别写错！！！

filter

package com.boolib.cloud.server_zuul.filter;

import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.io.IOException;

@Component
@Slf4j
public class MyFilter extends ZuulFilter {



    @Override
    public String filterType() {
        return "pre";
    }

    @Override
    public int filterOrder() {
        return 0;
    }

    @Override
    public boolean shouldFilter() {
        return true;
    }

    @Override
    public Object run() throws ZuulException {

        RequestContext ctx = RequestContext.getCurrentContext();

        HttpServletRequest request = ctx.getRequest();

        Object token = request.getParameter("token");

        if(token!=null)
        {
            return null;
        }

        ctx.setSendZuulResponse(false);
        ctx.setResponseStatusCode(401);

        try {
            ctx.getResponse().getWriter().write("token is empty");
        }
        catch(IOException ex)
        {

        }
        return null;
    }
}