AddRequestParameter GatewayFilter 工厂

AddRequestParameter GatewayFilter 工厂接受 namevalue 参数。以下示例配置了一个 AddRequestParameter GatewayFilter

application.yml
spring:
  cloud:
    gateway:
      routes:
      - id: add_request_parameter_route
        uri: https://example.org
        filters:
        - AddRequestParameter=red, blue

这将为所有匹配的请求向下游请求的查询字符串添加 red=blue

AddRequestParameter 了解用于匹配路径或主机的 URI 变量。URI 变量可以在值中使用,并在运行时展开。以下示例配置了一个使用变量的 AddRequestParameter GatewayFilter

application.yml
spring:
  cloud:
    gateway:
      routes:
      - id: add_request_parameter_route
        uri: https://example.org
        predicates:
        - Host: {segment}.myhost.org
        filters:
        - AddRequestParameter=foo, bar-{segment}
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