网关（Gateway）- 自定义过滤器工厂

自定义过滤工厂类

DemoGatewayFilterFactory

package com.learning.springcloud.custom;

import org.apache.commons.lang.StringUtils;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Arrays;
import java.util.List;

@Component
public class DemoGatewayFilterFactory extends AbstractGatewayFilterFactory<DemoGatewayFilterFactory.Config> {

    public DemoGatewayFilterFactory() {
        super(Config.class);
    }

    public List<String> shortcutFieldOrder() {
        return Arrays.asList("name", "value");
    }

    @Override
    public GatewayFilter