springcloud获取网关封装的头部信息

后台系统如何获取请求头里的数据

1. 网关层封装数据到head头

@Component
@Slf4j
public class LoginGatewayFilterFactory extends AbstractGatewayFilterFactory {

    @Override
    public GatewayFilter apply(Object config) {
        return (exchange, chain) -> {
            // 获取 request
            ServerHttpRequest req = exchange.getRequest();
            URI uri = req.getURI();
            // 日志
            log.info(StringUtils.join("【", req.getMethod(), "】", uri.getHost(), ":", uri.getPort(), ", 【path】", uri.getPath()));
            // 检查请求 uri 是否需要鉴权
            String path = uri.getPath();
            if (StringUtils.equalsAny(path, "/sysLogin")) {
                return chain.filter(exchange);
            }
            // 获取请求的 token
            HttpHeaders reqHeaders = req.getHeaders();
            String token = req.getHeaders().getFirst("token");
            if (StringUtils.isBl