配置中心
            
            
              yml
              
              
            
          
           - id: system
   uri: lb://system
   predicates:
     - Path=/system/**
   filters: 
     - StripPrefix=1这里会消去system这一层的请求
网关代码
            
            
              java
              
              
            
          
          import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
@Component
public class RequestFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        System.out.println(request.getURI().getPath());
        return chain.filter(exchange);
    }
    @Override
    public int getOrder() {
        return 0;
    }
}这里就进行全局的拦截然后答应出请求的路径
结论
可以拿到完整的请求的路径的上面的运行的结果是(假设要请求test服务):
            
            
              java
              
              
            
          
          /system/test