Spring Cloud Gateway -删除除一条路由以外的所有路由的请求头

import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@Component
public class RemoveHeadersFilter implements GatewayFilter {

    private static final String ROUTE_ID_TO_KEEP_HEADERS = "routeIdToKeepHeaders";

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        String routeId = exchange.getAttribute("org.springframework.cloud.gateway.support.ServerWebExchangeUtils.gatewayRouteIdAttr");
        
        if (routeId != null && !routeId.equals(exchange.getAttribute(ROUTE_ID_TO_KEEP_HEADERS))) {
            exchange.getRequest().getHeaders().remove("headerName1");
            exchange.getRequest().getHeaders().remove("headerName2");
            // 删除其他不需要的请求头
        }
        
        return chain.filter(exchange);
    }
}