zuul网关 在过滤器返回参数中文乱码zuul网关配置文件：过滤器代码启动类

###注册 中心
eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8100/eureka/
server:
  port: 80
###网关名称
spring:
  application:
    name: service-zuul
    ##处理中文乱码
  http:
    encoding:
      charset: UTF-8
      enabled: true
      force: true
### 配置网关反向代理
zuul:
  routes:
    ###自己命名
    api-member:
      ### 以 /api-member/访问转发到会员服务
      path: /api-member/**
      ##会员在注册中心的别名
      serviceId: member
    api-order:
      ### 以 /api-order/访问转发到订单服务
      path: /api-order/**
      ##订单在注册中心的别名
      serviceId: order

import com.netflix.discovery.util.StringUtil;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class TokeFilter extends ZuulFilter {
       /**
     * pre：可以在请求被路由之前调用
     * route：在路由请求时候被调用
     * post：在route和error过滤器之后被调用
     * error：处理请求时发生错误时被调用
     * 
     */
   @Override
    public String filterType() {
        return "pre";
    }
//过滤器执行顺序
    @Override
    public int filterOrder() {
        return 0;
    }
//是否开启过滤器
    @Override
    public boolean shouldFilter() {
        return true;
    }

    @Override
    public Object run() throws ZuulException {
//获取上下文
        RequestContext context=RequestContext.getCurrentContext();
       HttpServletRequest request= context.getRequest();
       String username=request.getParameter("userName");

        if(StringUtils.isEmpty(username)){
           context.setSendZuulResponse(false);
           context.setResponseBody("没有登录");
           return null;
       }
        return null;
    }
}

@SpringBootApplication
@EnableEurekaClient
@EnableZuulProxy
public class ZuulStar {

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