spring:
  application:
    name: gateway-server
server:
  port: 8080
eureka:
  client:
    service-url:
      defaultZone: http://localhost:8000/eureka
zuul:
  routes:
    orders:
      path: /orders/**
      #url: http://www.baidu.com
      serviceId: ORDER-SERVER
    pay:
      path: /pay/**
      serviceId: PAY-SERVER

package com.zhibo.springcloud.zuul;

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

@SpringBootApplication
@EnableDiscoveryClient
@EnableZuulProxy
public class ZuulApplication {

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

/*
 * Copyright 2013 Netflix, Inc.
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */
package com.netflix.zuul;

import com.netflix.zuul.exception.ZuulException;

/**
 * BAse interface for ZuulFilters
 *
 * @author Mikey Cohen
 *         Date: 10/27/11
 *         Time: 3:03 PM
 */
public interface IZuulFilter {
    /**
     * a "true" return from this method means that the run() method should be invoked
     *
     * @return true if the run() method should be invoked. false will not invoke the run() method
     */
    boolean shouldFilter();

    /**
     * if shouldFilter() is true, this method will be invoked. this method is the core method of a ZuulFilter
     *
     * @return Some arbitrary artifact may be returned. Current implementation ignores it.
     * @throws ZuulException if an error occurs during execution.
     */
    Object run() throws ZuulException;

}

/**
     * to classify a filter by type. Standard types in Zuul are "pre" for pre-routing filtering,
     * "route" for routing to an origin, "post" for post-routing filters, "error" for error handling.
     * We also support a "static" type for static responses see  StaticResponseFilter.
     * Any filterType made be created or added and run by calling FilterProcessor.runFilters(type)
     *
     * @return A String representing that type
     */
    abstract public String filterType();

    /**
     * filterOrder() must also be defined for a filter. Filters may have the same  filterOrder if precedence is not
     * important for a filter. filterOrders do not need to be sequential.
     *
     * @return the int order of a filter
     */
    abstract public int filterOrder();

package com.zhibo.springcloud.zuul;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

@Component
public class ValidateUserZuulFilter extends ZuulFilter {

    /**
     *
     * @return
     */
    @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 requestContext = RequestContext.getCurrentContext();
        HttpServletRequest request = requestContext.getRequest();
        String loginName = request.getParameter("loginName");
        if (loginName == null || !"admin".equals(loginName)) {
            requestContext.setSendZuulResponse(false);
            requestContext.setResponseStatusCode(500);
            Gson gson = new GsonBuilder().create();
            requestContext.addZuulResponseHeader("content-type", "application/json;charset=utf-8");
            requestContext.setResponseBody(gson.toJson(new ResponseEntity("没有登录名", HttpStatus.CONFLICT)));
            return null;
        }
        return null;
    }
}