GateWay断言
断言Predicate
gateWay网关中提供了多种断言方式
After断言
Loaded RoutePredicateFactory [After]
After匹配在当前日期时间之后发生的请求
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| spring:
cloud:
gateway:
routes:
- id: after_route
uri: https://example.org
predicates:
- After=2021-09-06T16:02:25.738+08:00[Asia/Shanghai]
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Before断言
Loaded RoutePredicateFactory [Before]
Before匹配在当前日期时间之前发生的请求
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| spring:
cloud:
gateway:
routes:
- id: before_route
uri: https://example.org
predicates:
- Before=2021-09-06T16:02:25.738+08:00[Asia/Shanghai]
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Between断言
Loaded RoutePredicateFactory [Between]
Between匹配在两个日期之间发生的请求
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| spring:
cloud:
gateway:
routes:
- id: between_route
uri: https://example.org
predicates:
- Between=2021-09-06T16:02:25.738+08:00[Asia/Shanghai], 2021-09-07T16:02:25.738+08:00[Asia/Shanghai]
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Cookie断言
Loaded RoutePredicateFactory [Cookie]
Cookie会根据cookie的name以及值的正则表达式进行匹配
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| spring:
cloud:
gateway:
routes:
- id: cookie_route
uri: https://example.org
predicates:
- Cookie=userName, zhangsan
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Loaded RoutePredicateFactory [Header]
Header是匹配请求头的name以及值的正则表达式进行匹配
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| spring:
cloud:
gateway:
routes:
- id: header_route
uri: https://example.org
predicates:
- Header=X-Request-Id, \d+
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Host断言
Loaded RoutePredicateFactory [Host]
Host进行域名匹配，Ant模式匹配
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| spring:
cloud:
gateway:
routes:
- id: host_route
uri: https://example.org
predicates:
- Host=**.somehost.org,**.anotherhost.org
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Method断言
Loaded RoutePredicateFactory [Method]
Method 匹配HTTP方法
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| spring:
cloud:
gateway:
routes:
- id: method_route
uri: https://example.org
predicates:
- Method=GET,POST
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Path断言
Loaded RoutePredicateFactory [Path]
Path 进行路径匹配
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| spring:
cloud:
gateway:
routes:
- id: host_route
uri: https://example.org
predicates:
- Path=/foo/{segment},/bar/{segment}
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Query断言
Loaded RoutePredicateFactory [Query]
Query 查询参数匹配
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| spring:
cloud:
gateway:
routes:
- id: query_route
uri: https://example.org
predicates:
- Query=foo, ba.
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ReadBodyPredicateFactory断言
Loaded RoutePredicateFactory [ReadBodyPredicateFactory]
RemoteAddr断言
Loaded RoutePredicateFactory [RemoteAddr]
RemoteAddr 远程地址匹配
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| spring:
cloud:
gateway:
routes:
- id: remoteaddr_route
uri: https://example.org
predicates:
- RemoteAddr=192.168.1.1/24
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Weight断言
Loaded RoutePredicateFactory [Weight]
Weight 权重匹配，接收group和weight两个参数，权重是按照组进行计算的
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| spring:
cloud:
gateway:
routes:
- id: weight_high
uri: https://weighthigh.org
predicates:
- Weight=group1, 8
- id: weight_low
uri: https://weightlow.org
predicates:
- Weight=group1, 2
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CloudFoundryRouteService断言
Loaded RoutePredicateFactory [CloudFoundryRouteService]
配置方式
gateway配置断言有两种方式
以Cookie断言为例，Cookie断言的配置类如下
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| public static class Config {
@NotEmpty
private String name;
@NotEmpty
private String regexp;
public String getName() {
return name;
}
public Config setName(String name) {
this.name = name;
return this;
}
public String getRegexp() {
return regexp;
}
public Config setRegexp(String regexp) {
this.regexp = regexp;
return this;
}
}
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全面扩展参数
每个参数都使用 字段名:字段值 表示
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| spring:
cloud:
gateway:
routes:
- id: after_route
uri: https://example.org
predicates:
- name: Cookie
args:
name: mycookie
regexp: mycookievalue
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