@Component
    public class TimeGatewayFilterFactory extends AbstractGatewayFilterFactory<TimeGatewayFilterFactory.Config> {
        //解析參數(shù)
        public TimeGatewayFilterFactory(){
            super(Config.class);
        }
        //讀取配置文件中的參數(shù)  賦值到  配置類中
        public List<String> shortcutFieldOrder(){
            return Arrays.asList("show");
        }
        //攔截到之后就會調(diào)用apply方法,把創(chuàng)建對象時候反射創(chuàng)建出來的config傳入進(jìn)來
        @Override
        public GatewayFilter apply(Config config) {
            return new GatewayFilter() {
                @Override
                public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
                    //前置的邏輯
                    System.out.println("前置邏輯");
                    return chain.filter(exchange).then(Mono.fromRunnable(()->{
                        //后置的邏輯
                        System.out.println("后置邏輯");
                    }));
                }
            };
        }
        //將解析好的參數(shù)注入其中
        @Setter
            @Getter
            static class Config{
                private boolean show;
            }
    }

@Component
    public class TimeGatewayFilterFactory extends AbstractGatewayFilterFactory<TimeGatewayFilterFactory.Config> {
        //解析參數(shù)
        public TimeGatewayFilterFactory(){
            super(Config.class);
        }
        //讀取配置文件中的參數(shù)  賦值到  配置類中
        public List<String> shortcutFieldOrder(){
            return Arrays.asList("show");
        }
        //攔截到之后就會調(diào)用apply方法,把創(chuàng)建對象時候反射創(chuàng)建出來的config傳入進(jìn)來
        @Override
        public GatewayFilter apply(Config config) {
            return new GatewayFilter() {
                @Override
                public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
                    if(!config.show){
                        return chain.filter(exchange);
                    }

                    //前置的邏輯
                    long start = System.currentTimeMillis();
                    return chain.filter(exchange).then(Mono.fromRunnable(()->{
                        System.out.println("請求耗時:"+(System.currentTimeMillis()-start));
                    }));
                }
            };
        }
        //將解析好的參數(shù)注入其中
        @Setter
            @Getter
            static class Config{
                private boolean show;
            }
    }

@Component
public class AuthGlobalFilter implements GlobalFilter {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        //前置邏輯
        //獲取請求中的token信息，驗(yàn)證token是否有效，如果無效攔截請求，
        String token = exchange.getRequest().getQueryParams().getFirst("token");
        if(StringUtils.isEmpty(token)||!"123".equals(token)){
            System.out.println("鑒定失敗");
            exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }
}

<dependency>
  <groupId>com.alibaba.csp</groupId>
  <artifactId>sentinel-spring-cloud-gateway-adapter</artifactId>
</dependency>
<dependency>
  <groupId>com.alibaba.cloud</groupId>
  <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<dependency>
  <groupId>com.alibaba.cloud</groupId>
  <artifactId>spring-cloud-alibaba-sentinel-gateway</artifactId>
</dependency>