1.3.3、通过Header属性匹配

server:
  port: 8080

spring: 
  application:
    name: gateway
  cloud:
    gateway:
      routes:
        - id: guo-system4
          uri: https://www.baidu.com
          predicates:
            - Path=/gateway
            - Header=X-Request-Id, d+ #通过 Header 属性匹配,当header中X-Request-Id=数字时匹配
          filters:
            - StripPrefix=1