spring cloud微服務(wù)分布式云架構(gòu)Spring Cloud Zuul

Spring Cloud大型企業(yè)分布式微服務(wù)云構(gòu)建的B2B2C電子商務(wù)平臺(tái)源碼請(qǐng)加企鵝求求： 三五三六二四七二五九

POM依賴(lài)

<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-netflix-zuul</artifactId>
        </dependency>
    </dependencies>

啟動(dòng)類(lèi)加上: @EnableZuulProxy 注解

配置:

spring:
  application:
    name: zuul-gateway
eureka:
  client:
    service-url:
      defaultZone: http://localhost:9001/eureka/
server:
  port: 9501
zuul:
  routes:
    #把order-server服務(wù)映射到路徑/my-order/**
    order-test-route:
      serviceId: order-server
      path: /my-order/**
  #過(guò)濾指定的url,即不路由指定的url
  ignored-patterns:
    - /*/order/list 
# 當(dāng)hystrix的值小的時(shí)候，hystrix生效，當(dāng)ribbon.ReadTimeout小的時(shí)候，ribbon生效    
# 注意：只有zuul路由是url是才生效
# 如果使用的是serviceId 需要使用 ribbon.ReadTimeout 和 ribbon.SocketTimeout）
hystrix:
  command:
    default:
      execution:
        timeout:
          enabled: true
        isolation: #命令的執(zhí)行超時(shí)時(shí)間  超時(shí)將執(zhí)行回退
          thread:
            timeoutInMilliseconds: 8000
ribbon:
  ReadTimeout: 10000  #讀取超時(shí)時(shí)間
  ConnectTimeout: 10000

ignored-patterns 為忽略指定的API

自定義過(guò)濾器需要實(shí)現(xiàn)ZuulFilter接口:

/**
 * 用戶(hù)訪問(wèn)時(shí)觸發(fā)
 *
 * @author 阮勝
 * @date 2018/7/19 21:48
 */
@Component
public class TokenFilter extends ZuulFilter {
    private static final String TOKEN = "token";
    /**
     * 過(guò)濾器類(lèi)型
     *
     * @return
     */
    @Override
    public String filterType() {
        return FilterConstants.PRE_TYPE;
    }
    /**
     * 過(guò)濾器在過(guò)濾器鏈中的位置
     *
     * @return
     */
    @Override
    public int filterOrder() {
        return FilterConstants.PRE_DECORATION_FILTER_ORDER - 1;
    }
    /**
     * 返回值為true時(shí)執(zhí)行過(guò)濾器,false則不執(zhí)行當(dāng)前過(guò)濾器
     *
     * @return
     */
    @Override
    public boolean shouldFilter() {
        return true;
    }
    /**
     * 用戶(hù)訪問(wèn)時(shí)觸發(fā)該過(guò)濾器
     *
     * @return
     * @throws ZuulException
     */
    @Override
    public Object run() throws ZuulException {
        RequestContext requestContext = RequestContext.getCurrentContext();
        HttpServletRequest request = requestContext.getRequest();
        String token = request.getParameter(TOKEN);
        if (StringUtils.isEmpty(token)) {
            requestContext.setSendZuulResponse(false);
            requestContext.setResponseStatusCode(HttpStatus.SC_UNAUTHORIZED);
        }
        return null;
    }
}

/**
 * 用戶(hù)訪問(wèn)完要返回的時(shí)候觸發(fā)
 * @author 阮勝
 * @date 2018/7/19 21:57
 */
@Component
public class PostFilter extends ZuulFilter {
    @Override
    public String filterType() {
        return FilterConstants.POST_TYPE;
    }
    @Override
    public int filterOrder() {
        return FilterConstants.SEND_RESPONSE_FILTER_ORDER - 1;
    }
    @Override
    public boolean shouldFilter() {
        return true;
    }
    @Override
    public Object run() throws ZuulException {
        RequestContext requestContext = RequestContext.getCurrentContext();
        HttpServletResponse resp = requestContext.getResponse();
        resp.setHeader("auth", "test auth");
        return null;
    }
}