Spring项目中Ordered接口的应用之全局过滤器(GlobalFilter)的顺序控制

// 导入必要的包
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.OrderedGatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
@Component
public class LoggingFilter extends AbstractGatewayFilterFactory<Object> implements Ordered {
    @Override
    public GatewayFilter apply(Object config) {
        return (exchange, chain) -> {
            // 在此处实现日志记录逻辑
            System.out.println("Logging before request...");
            return chain.filter(exchange).then(Mono.fromRunnable(() -> 
                System.out.println("Logging after response..."))); 
        };
    }
    @Override
    public int getOrder() {
        // 设置此过滤器的执行优先级，数值越大，执行越晚
        return -10;
    }
}
@Component
public class AuthFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        // 在此处实现鉴权逻辑
        System.out.println("Authenticating request...");
        // 假设鉴权通过，继续处理请求
        return chain.filter(exchange);
    }
    @Override
    public int getOrder() {
        // 设置此过滤器的执行优先级，数值越小，执行越早
        return -20;
    }
}