新建模块-添加依赖

<dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>

配置文件

 

spring:
  application:
    name: cloud-gatesway-service
  cloud:
    gateway:
      discovery:
        locator:
          enabled: true
      routes:
        - id: payment_route1
#          uri: http://localhost:8001
          uri: lb://CLOUD-PAYMENT-SERVECE
          predicates:
            - Path=/payment/getPaymentById/**
        - id: payment_route2
#          uri: http://localhost:8001
          uri: lb://CLOUD-PAYMENT-SERVECE
          predicates:
             - Path=/payment/get/**

 

编写第一个全局过滤器

@Component
@Slf4j
public class MyGlobalFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {

        log.info("*******************coming in MyGlobalFilter" + new Date());
        String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if (uname == null) {
            log.info("*******************非法用户，uname为null");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}