- \n
- Route\uff08\u8def\u7531\uff09\uff1a\u8fd9\u662f\u7f51\u5173\u7684\u57fa\u672c\u6784\u5efa\u5757\u3002\u5b83\u7531\u4e00\u4e2a ID\uff0c\u4e00\u4e2a\u76ee\u6807 URI\uff0c\u4e00\u7ec4\u65ad\u8a00\u548c\u4e00\u7ec4\u8fc7\u6ee4\u5668\u5b9a\u4e49\u3002\u5982\u679c\u65ad\u8a00\u4e3a\u771f\uff0c\u5219\u8def\u7531\u5339\u914d\u3002<\/li>\n
- Predicate\uff08\u65ad\u8a00\uff09\uff1a\u8fd9\u662f\u4e00\u4e2a Java 8 \u7684 Predicate\u3002\u8f93\u5165\u7c7b\u578b\u662f\u4e00\u4e2a ServerWebExchange\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5339\u914d\u6765\u81ea HTTP \u8bf7\u6c42\u7684\u4efb\u4f55\u5185\u5bb9\uff0c\u4f8b\u5982 headers \u6216\u53c2\u6570\u3002<\/li>\n
- Filter\uff08\u8fc7\u6ee4\u5668\uff09\uff1a\u8fd9\u662f
org.springframework.cloud.gateway.filter.GatewayFilter<\/code>\u7684\u5b9e\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u4fee\u6539\u8bf7\u6c42\u548c\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n
![\"spring-cloud-gateway-workflow\"](\"http:\/\/www.yezhou.me\/AppBlog\/images\/Java\/spring-cloud-gateway-workflow.png\")
<\/p>\n\u5ba2\u6237\u7aef\u5411 Spring Cloud Gateway \u53d1\u51fa\u8bf7\u6c42\u3002\u5982\u679c Gateway Handler Mapping \u4e2d\u627e\u5230\u4e0e\u8bf7\u6c42\u76f8\u5339\u914d\u7684\u8def\u7531\uff0c\u5c06\u5176\u53d1\u9001\u5230 Gateway Web Handler\u3002Handler \u518d\u901a\u8fc7\u6307\u5b9a\u7684\u8fc7\u6ee4\u5668\u94fe\u6765\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u6211\u4eec\u5b9e\u9645\u7684\u670d\u52a1\u6267\u884c\u4e1a\u52a1\u903b\u8f91\uff0c\u7136\u540e\u8fd4\u56de\u3002 \u8fc7\u6ee4\u5668\u4e4b\u95f4\u7528\u865a\u7ebf\u5206\u5f00\u662f\u56e0\u4e3a\u8fc7\u6ee4\u5668\u53ef\u80fd\u4f1a\u5728\u53d1\u9001\u4ee3\u7406\u8bf7\u6c42\u4e4b\u524d\uff08
pre<\/code>\uff09\u6216\u4e4b\u540e\uff08post<\/code>\uff09\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\nSpring Cloud Gateway \u7684\u7279\u5f81\uff1a<\/p>\n
- \n
- \u57fa\u4e8e Spring Framework 5\uff0cProject Reactor \u548c Spring Boot 2.0<\/li>\n
- \u52a8\u6001\u8def\u7531<\/li>\n
- Predicates \u548c Filters \u4f5c\u7528\u4e8e\u7279\u5b9a\u8def\u7531<\/li>\n
- \u96c6\u6210 Hystrix \u65ad\u8def\u5668<\/li>\n
- \u96c6\u6210 Spring Cloud DiscoveryClient<\/li>\n
- \u6613\u4e8e\u7f16\u5199\u7684 Predicates \u548c Filters<\/li>\n
- \u9650\u6d41<\/li>\n
- \u8def\u5f84\u91cd\u5199<\/li>\n<\/ul>\n
\u5feb\u901f\u4e0a\u624b<\/h2>\n
Spring Cloud Gateway \u7f51\u5173\u8def\u7531\u6709\u4e24\u79cd\u914d\u7f6e\u65b9\u5f0f\uff1a<\/p>\n
- \n
- \u5728\u914d\u7f6e\u6587\u4ef6 yml \u4e2d\u914d\u7f6e<\/li>\n
- \u901a\u8fc7@Bean\u81ea\u5b9a\u4e49 RouteLocator\uff0c\u5728\u542f\u52a8\u4e3b\u7c7b Application \u4e2d\u914d\u7f6e<\/li>\n<\/ul>\n
\u8fd9\u4e24\u79cd\u65b9\u5f0f\u662f\u7b49\u4ef7\u7684\uff0c\u5efa\u8bae\u4f7f\u7528 yml \u65b9\u5f0f\u8fdb\u914d\u7f6e\u3002<\/p>\n
\u4f7f\u7528 Spring Cloud Finchley \u7248\u672c\uff0cFinchley \u7248\u672c\u4f9d\u8d56\u4e8e Spring Boot 2.0.6.RELEASE<\/p>\n
<parent>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-parent<\/artifactId>\n <version>2.0.6.RELEASE<\/version>\n <relativePath\/> <!-- lookup parent from repository -->\n<\/parent>\n\n<dependencyManagement>\n <dependencies>\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-dependencies<\/artifactId>\n <version>Finchley.SR2<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <\/dependencies>\n<\/dependencyManagement><\/code><\/pre>\n\n
\u7ecf\u6d4b\u8bd5 Finchley.RELEASE \u6709 bug \u591a\u6b21\u8bf7\u6c42\u4f1a\u62a5\u7a7a\u6307\u9488\u5f02\u5e38\uff0cSR2 \u662f Spring Cloud \u7684\u6700\u65b0\u7248\u672c<\/p>\n<\/blockquote>\n
\u6dfb\u52a0\u9879\u76ee\u9700\u8981\u4f7f\u7528\u7684\u4f9d\u8d56\u5305<\/p>\n
<dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-gateway<\/artifactId>\n<\/dependency><\/code><\/pre>\n\n
Spring Cloud Gateway \u662f\u4f7f\u7528 netty+webflux \u5b9e\u73b0\u56e0\u6b64\u4e0d\u9700\u8981\u518d\u5f15\u5165 web \u6a21\u5757<\/p>\n<\/blockquote>\n
\u6211\u4eec\u5148\u6765\u6d4b\u8bd5\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u8bf7\u6c42\u8f6c\u53d1\uff1a<\/p>\n
server:\n port: 8080\nspring:\n cloud:\n gateway:\n routes:\n - id: about_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Path=\/about<\/code><\/pre>\n\u5404\u5b57\u6bb5\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n
- \n
- id\uff1a\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u8def\u7531 ID\uff0c\u4fdd\u6301\u552f\u4e00<\/li>\n
- uri\uff1a\u76ee\u6807\u670d\u52a1\u5730\u5740<\/li>\n
- predicates\uff1a\u8def\u7531\u6761\u4ef6\uff0cPredicate \u63a5\u53d7\u4e00\u4e2a\u8f93\u5165\u53c2\u6570\uff0c\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\u7ed3\u679c\u3002\u8be5\u63a5\u53e3\u5305\u542b\u591a\u79cd\u9ed8\u8ba4\u65b9\u6cd5\u6765\u5c06 Predicate \u7ec4\u5408\u6210\u5176\u4ed6\u590d\u6742\u7684\u903b\u8f91\uff08\u6bd4\u5982\uff1a\u4e0e\uff0c\u6216\uff0c\u975e\uff09<\/li>\n
- filters\uff1a\u8fc7\u6ee4\u89c4\u5219\uff0c\u672c\u793a\u4f8b\u6682\u65f6\u6ca1\u7528<\/li>\n<\/ul>\n
\u4e0a\u9762\u8fd9\u6bb5\u914d\u7f6e\u7684\u610f\u601d\u662f\uff0c\u914d\u7f6e\u4e86\u4e00\u4e2a id \u4e3a about_route \u7684\u8def\u7531\u89c4\u5219\uff0c\u5f53\u8bbf\u95ee\u5730\u5740 http:\/\/localhost:8080\/about<\/a> \u65f6\u4f1a\u81ea\u52a8\u8f6c\u53d1\u5230\u5730\u5740\uff1ahttp:\/\/www.appblog.cn\/about<\/a><\/p>\n
\u8f6c\u53d1\u529f\u80fd\u540c\u6837\u53ef\u4ee5\u901a\u8fc7\u4ee3\u7801\u6765\u5b9e\u73b0\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u542f\u52a8\u7c7b GateWayApplication \u4e2d\u6dfb\u52a0\u65b9\u6cd5
customRouteLocator()<\/code>\u6765\u5b9a\u5236\u8f6c\u53d1\u89c4\u5219\u3002<\/p>\n@SpringBootApplication\npublic class GateWayApplication {\n\n public static void main(String[] args) {\n SpringApplication.run(GateWayApplication.class, args);\n }\n\n @Bean\n public RouteLocator customRouteLocator(RouteLocatorBuilder builder) {\n return builder.routes()\n .route("path_route", r -> r.path("\/about")\n .uri("http:\/\/www.appblog.cn"))\n .build();\n }\n}<\/code><\/pre>\n\u8def\u7531\u89c4\u5219<\/h2>\n
Spring Cloud Gateway \u7684\u529f\u80fd\u5f88\u5f3a\u5927\uff0c\u6211\u4eec\u4ec5\u4ec5\u901a\u8fc7 Predicates \u7684\u8bbe\u8ba1\u5c31\u53ef\u4ee5\u770b\u51fa\u6765\uff0c\u524d\u9762\u6211\u4eec\u53ea\u662f\u4f7f\u7528\u4e86 predicates \u8fdb\u884c\u4e86\u7b80\u5355\u7684\u6761\u4ef6\u5339\u914d\uff0c\u5176\u5b9e Spring Cloud Gataway \u5e2e\u6211\u4eec\u5185\u7f6e\u4e86\u5f88\u591a Predicates \u529f\u80fd\u3002<\/p>\n
Spring Cloud Gateway \u662f\u901a\u8fc7 Spring WebFlux \u7684 HandlerMapping \u505a\u4e3a\u5e95\u5c42\u652f\u6301\u6765\u5339\u914d\u5230\u8f6c\u53d1\u8def\u7531\uff0cSpring Cloud Gateway \u5185\u7f6e\u4e86\u5f88\u591a Predicates \u5de5\u5382\uff0c\u8fd9\u4e9b Predicates \u5de5\u5382\u901a\u8fc7\u4e0d\u540c\u7684 HTTP \u8bf7\u6c42\u53c2\u6570\u6765\u5339\u914d\uff0c\u591a\u4e2a Predicates \u5de5\u5382\u53ef\u4ee5\u7ec4\u5408\u4f7f\u7528\u3002<\/p>\n
Predicate \u4ecb\u7ecd<\/h3>\n
Predicate \u6765\u6e90\u4e8e Java 8\uff0c\u662f Java 8 \u4e2d\u5f15\u5165\u7684\u4e00\u4e2a\u51fd\u6570\uff0cPredicate \u63a5\u53d7\u4e00\u4e2a\u8f93\u5165\u53c2\u6570\uff0c\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\u7ed3\u679c\u3002\u8be5\u63a5\u53e3\u5305\u542b\u591a\u79cd\u9ed8\u8ba4\u65b9\u6cd5\u6765\u5c06 Predicate \u7ec4\u5408\u6210\u5176\u4ed6\u590d\u6742\u7684\u903b\u8f91\uff08\u6bd4\u5982\uff1a\u4e0e\uff0c\u6216\uff0c\u975e\uff09\u3002\u53ef\u4ee5\u7528\u4e8e\u63a5\u53e3\u8bf7\u6c42\u53c2\u6570\u6821\u9a8c\u3001\u5224\u65ad\u65b0\u8001\u6570\u636e\u662f\u5426\u6709\u53d8\u5316\u9700\u8981\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n
\u5728 Spring Cloud Gateway \u4e2d Spring \u5229\u7528 Predicate \u7684\u7279\u6027\u5b9e\u73b0\u4e86\u5404\u79cd\u8def\u7531\u5339\u914d\u89c4\u5219\uff0c\u6709\u901a\u8fc7 Header\u3001\u8bf7\u6c42\u53c2\u6570\u7b49\u4e0d\u540c\u7684\u6761\u4ef6\u6765\u8fdb\u884c\u4f5c\u4e3a\u6761\u4ef6\u5339\u914d\u5230\u5bf9\u5e94\u7684\u8def\u7531\u3002\u7f51\u4e0a\u6709\u4e00\u5f20\u56fe\u603b\u7ed3\u4e86 Spring Cloud \u5185\u7f6e\u7684\u51e0\u79cd Predicate \u7684\u5b9e\u73b0\u3002<\/p>\n
![\"spring-cloud-gateway-predicate\"](\"http:\/\/www.yezhou.me\/AppBlog\/images\/Java\/spring-cloud-gateway-predicate.png\")
<\/p>\n\u8bf4\u767d\u4e86 Predicate \u5c31\u662f\u4e3a\u4e86\u5b9e\u73b0\u4e00\u7ec4\u5339\u914d\u89c4\u5219\uff0c\u65b9\u4fbf\u8ba9\u8bf7\u6c42\u8fc7\u6765\u627e\u5230\u5bf9\u5e94\u7684 Route \u8fdb\u884c\u5904\u7406\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u63a5\u4e0b Spring Cloud GateWay \u5185\u7f6e\u51e0\u79cd Predicate \u7684\u4f7f\u7528\u3002<\/p>\n
\u901a\u8fc7\u65f6\u95f4\u5339\u914d<\/h3>\n
Predicate \u652f\u6301\u8bbe\u7f6e\u4e00\u4e2a\u65f6\u95f4\uff0c\u5728\u8bf7\u6c42\u8fdb\u884c\u8f6c\u53d1\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u901a\u8fc7\u5224\u65ad\u5728\u8fd9\u4e2a\u65f6\u95f4\u4e4b\u524d\u6216\u8005\u4e4b\u540e\u8fdb\u884c\u8f6c\u53d1\u3002\u6bd4\u5982\u6211\u4eec\u73b0\u5728\u8bbe\u7f6e\u53ea\u6709\u57282019\u5e741\u67081\u65e5\u624d\u4f1a\u8f6c\u53d1\u5230\u6211\u7684\u7f51\u7ad9\uff0c\u5728\u8fd9\u4e4b\u524d\u4e0d\u8fdb\u884c\u8f6c\u53d1\uff0c\u6211\u5c31\u53ef\u4ee5\u8fd9\u6837\u914d\u7f6e\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: time_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - After=2018-01-20T06:06:06+08:00[Asia\/Shanghai]<\/code><\/pre>\nSpring \u662f\u901a\u8fc7 ZonedDateTime \u6765\u5bf9\u65f6\u95f4\u8fdb\u884c\u7684\u5bf9\u6bd4\uff0cZonedDateTime \u662f Java 8 \u4e2d\u65e5\u671f\u65f6\u95f4\u529f\u80fd\u91cc\uff0c\u7528\u4e8e\u8868\u793a\u5e26\u65f6\u533a\u7684\u65e5\u671f\u4e0e\u65f6\u95f4\u4fe1\u606f\u7684\u7c7b\uff0cZonedDateTime \u652f\u6301\u901a\u8fc7\u65f6\u533a\u6765\u8bbe\u7f6e\u65f6\u95f4\uff0c\u4e2d\u56fd\u7684\u65f6\u533a\u662f\uff1aAsia\/Shanghai\u3002<\/p>\n
After Route Predicate \u662f\u6307\u5728\u8fd9\u4e2a\u65f6\u95f4\u4e4b\u540e\u7684\u8bf7\u6c42\u90fd\u8f6c\u53d1\u5230\u76ee\u6807\u5730\u5740\u3002\u4e0a\u9762\u7684\u793a\u4f8b\u662f\u6307\uff0c\u8bf7\u6c42\u65f6\u95f4\u5728 2018\u5e741\u670820\u65e56\u70b96\u52066\u79d2\u4e4b\u540e\u7684\u6240\u6709\u8bf7\u6c42\u90fd\u8f6c\u53d1\u5230\u5730\u5740
http:\/\/www.appblog.cn<\/code>\u3002+08:00\u662f\u6307\u65f6\u95f4\u548cUTC\u65f6\u95f4\u76f8\u5dee\u516b\u4e2a\u5c0f\u65f6\uff0c\u65f6\u95f4\u5730\u533a\u4e3aAsia\/Shanghai\u3002<\/p>\n\u6dfb\u52a0\u5b8c\u8def\u7531\u89c4\u5219\u4e4b\u540e\uff0c\u8bbf\u95ee\u5730\u5740
http:\/\/localhost:8080<\/code>\u4f1a\u81ea\u52a8\u8f6c\u53d1\u5230http:\/\/www.appblog.cn<\/code>\u3002<\/p>\nBefore Route Predicate \u521a\u597d\u76f8\u53cd\uff0c\u5728\u67d0\u4e2a\u65f6\u95f4\u4e4b\u524d\u7684\u8bf7\u6c42\u7684\u8bf7\u6c42\u90fd\u8fdb\u884c\u8f6c\u53d1\u3002\u6211\u4eec\u628a\u4e0a\u9762\u8def\u7531\u89c4\u5219\u4e2d\u7684 After \u6539\u4e3a Before\uff0c\u5982\u4e0b\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: after_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Before=2018-01-20T06:06:06+08:00[Asia\/Shanghai]<\/code><\/pre>\n\u5c31\u8868\u793a\u5728\u8fd9\u4e2a\u65f6\u95f4\u4e4b\u524d\u53ef\u4ee5\u8fdb\u884c\u8def\u7531\uff0c\u5728\u8fd9\u65f6\u95f4\u4e4b\u540e\u505c\u6b62\u8def\u7531\uff0c\u4fee\u6539\u5b8c\u4e4b\u540e\u91cd\u542f\u9879\u76ee\u518d\u6b21\u8bbf\u95ee\u5730\u5740
http:\/\/localhost:8080<\/code>\uff0c\u9875\u9762\u4f1a\u62a5 404 \u6ca1\u6709\u627e\u5230\u5730\u5740\u3002<\/p>\n\u9664\u8fc7\u5728\u65f6\u95f4\u4e4b\u524d\u6216\u8005\u4e4b\u540e\u5916\uff0cGateway \u8fd8\u652f\u6301\u9650\u5236\u8def\u7531\u8bf7\u6c42\u5728\u67d0\u4e00\u4e2a\u65f6\u95f4\u6bb5\u8303\u56f4\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528 Between Route Predicate \u6765\u5b9e\u73b0\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: after_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Between=2018-01-20T06:06:06+08:00[Asia\/Shanghai], 2019-01-20T06:06:06+08:00[Asia\/Shanghai]<\/code><\/pre>\n\u8fd9\u6837\u8bbe\u7f6e\u5c31\u610f\u5473\u7740\u5728\u8fd9\u4e2a\u65f6\u95f4\u6bb5\u5185\u53ef\u4ee5\u5339\u914d\u5230\u6b64\u8def\u7531\uff0c\u8d85\u8fc7\u8fd9\u4e2a\u65f6\u95f4\u6bb5\u8303\u56f4\u5219\u4e0d\u4f1a\u8fdb\u884c\u5339\u914d\u3002\u901a\u8fc7\u65f6\u95f4\u5339\u914d\u8def\u7531\u7684\u529f\u80fd\u5f88\u9177\uff0c\u53ef\u4ee5\u7528\u5728\u9650\u65f6\u62a2\u8d2d\u7684\u4e00\u4e9b\u573a\u666f\u4e2d\u3002<\/p>\n
\u901a\u8fc7 Cookie \u5339\u914d<\/h3>\n
Cookie Route Predicate \u53ef\u4ee5\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a\u662f Cookie name\uff0c\u4e00\u4e2a\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u8def\u7531\u89c4\u5219\u4f1a\u901a\u8fc7\u83b7\u53d6\u5bf9\u5e94\u7684 Cookie name \u503c\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u53bb\u5339\u914d\uff0c\u5982\u679c\u5339\u914d\u4e0a\u5c31\u4f1a\u6267\u884c\u8def\u7531\uff0c\u5982\u679c\u6ca1\u6709\u5339\u914d\u4e0a\u5219\u4e0d\u6267\u884c\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: cookie_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Cookie=author, Joe.Ye<\/code><\/pre>\n\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165:<\/p>\n
curl http:\/\/localhost:8080 --cookie "author=Joe.Ye"<\/code><\/pre>\n\u5219\u4f1a\u8fd4\u56de\u9875\u9762\u4ee3\u7801\uff0c\u5982\u679c\u53bb\u6389
--cookie "author=Joe.Ye"<\/code>\uff0c\u540e\u53f0\u4f1a\u62a5 404 \u9519\u8bef<\/p>\n\u901a\u8fc7 Header \u5c5e\u6027\u5339\u914d<\/h3>\n
Header Route Predicate \u548c Cookie Route Predicate \u4e00\u6837\uff0c\u4e5f\u662f\u63a5\u6536 2 \u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a header \u4e2d\u5c5e\u6027\u540d\u79f0\u548c\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u8fd9\u4e2a\u5c5e\u6027\u503c\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5219\u6267\u884c\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: header_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Header=X-Request-Id, \\d+<\/code><\/pre>\n\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165:<\/p>\n
curl http:\/\/localhost:8080 -H "X-Request-Id:666666"<\/code><\/pre>\n\u5219\u8fd4\u56de\u9875\u9762\u4ee3\u7801\u8bc1\u660e\u5339\u914d\u6210\u529f\u3002\u5c06\u53c2\u6570
-H "X-Request-Id:666666"<\/code>\u6539\u4e3a-H "X-Request-Id:neo"<\/code>\u518d\u6b21\u6267\u884c\u65f6\u8fd4\u56de404\u8bc1\u660e\u6ca1\u6709\u5339\u914d<\/p>\n\u901a\u8fc7 Host \u5339\u914d<\/h3>\n
Host Route Predicate \u63a5\u6536\u4e00\u7ec4\u53c2\u6570\uff0c\u4e00\u7ec4\u5339\u914d\u7684\u57df\u540d\u5217\u8868\uff0c\u8fd9\u4e2a\u6a21\u677f\u662f\u4e00\u4e2a ant \u5206\u9694\u7684\u6a21\u677f\uff0c\u7528.\u53f7\u4f5c\u4e3a\u5206\u9694\u7b26\u3002\u5b83\u901a\u8fc7\u53c2\u6570\u4e2d\u7684\u4e3b\u673a\u5730\u5740\u4f5c\u4e3a\u5339\u914d\u89c4\u5219\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: host_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Host=**.appblog.cn<\/code><\/pre>\n\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165:<\/p>\n
curl http:\/\/localhost:8080 -H "Host: www.appblog.cn"\ncurl http:\/\/localhost:8080 -H "Host: api.appblog.cn"<\/code><\/pre>\n\u7ecf\u6d4b\u8bd5\u4ee5\u4e0a\u4e24\u79cd host \u5747\u53ef\u5339\u914d\u5230 host_route \u8def\u7531\uff0c\u53bb\u6389 host \u53c2\u6570\u5219\u4f1a\u62a5 404 \u9519\u8bef<\/p>\n
\u901a\u8fc7\u8bf7\u6c42\u65b9\u5f0f\u5339\u914d<\/h3>\n
\u53ef\u4ee5\u901a\u8fc7\u662f POST\u3001GET\u3001PUT\u3001DELETE \u7b49\u4e0d\u540c\u7684\u8bf7\u6c42\u65b9\u5f0f\u6765\u8fdb\u884c\u8def\u7531\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: method_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Method=GET<\/code><\/pre>\n\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165:<\/p>\n
# curl \u9ed8\u8ba4\u662f\u4ee5 GET \u7684\u65b9\u5f0f\u53bb\u8bf7\u6c42\ncurl http:\/\/localhost:8080<\/code><\/pre>\n\u6d4b\u8bd5\u8fd4\u56de\u9875\u9762\u4ee3\u7801\uff0c\u8bc1\u660e\u5339\u914d\u5230\u8def\u7531\uff0c\u6211\u4eec\u518d\u4ee5 POST \u7684\u65b9\u5f0f\u8bf7\u6c42\u6d4b\u8bd5<\/p>\n
# curl \u9ed8\u8ba4\u662f\u4ee5 GET \u7684\u65b9\u5f0f\u53bb\u8bf7\u6c42\ncurl -X POST http:\/\/localhost:8080<\/code><\/pre>\n\u8fd4\u56de 404 \u6ca1\u6709\u627e\u5230\uff0c\u8bc1\u660e\u6ca1\u6709\u5339\u914d\u4e0a\u8def\u7531<\/p>\n
\u901a\u8fc7\u8bf7\u6c42\u8def\u5f84\u5339\u914d<\/h3>\n
Path Route Predicate \u63a5\u6536\u4e00\u4e2a\u5339\u914d\u8def\u5f84\u7684\u53c2\u6570\u6765\u5224\u65ad\u662f\u5426\u8d70\u8def\u7531\u3002<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: host_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Path=\/foo\/{segment}<\/code><\/pre>\n\u5982\u679c\u8bf7\u6c42\u8def\u5f84\u7b26\u5408\u8981\u6c42\uff0c\u5219\u6b64\u8def\u7531\u5c06\u5339\u914d\uff0c\u4f8b\u5982\uff1a
\/foo\/1<\/code> \u6216\u8005\/foo\/bar<\/code><\/p>\n\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165\uff1a<\/p>\n
curl http:\/\/localhost:8080\/foo\/1\ncurl http:\/\/localhost:8080\/foo\/xx\ncurl http:\/\/localhost:8080\/boo\/xx<\/code><\/pre>\n\u7ecf\u8fc7\u6d4b\u8bd5\u7b2c\u4e00\u548c\u7b2c\u4e8c\u6761\u547d\u4ee4\u53ef\u4ee5\u6b63\u5e38\u83b7\u53d6\u5230\u9875\u9762\u8fd4\u56de\u503c\uff0c\u6700\u540e\u4e00\u4e2a\u547d\u4ee4\u62a5404\uff0c\u8bc1\u660e\u8def\u7531\u662f\u901a\u8fc7\u6307\u5b9a\u8def\u7531\u6765\u5339\u914d<\/p>\n
\u901a\u8fc7\u8bf7\u6c42\u53c2\u6570\u5339\u914d<\/h3>\n
Query Route Predicate \u652f\u6301\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2a\u662f\u5c5e\u6027\u540d\u4e00\u4e2a\u4e3a\u5c5e\u6027\u503c\uff0c\u5c5e\u6027\u503c\u53ef\u4ee5\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: query_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Query=smile<\/code><\/pre>\n\u8fd9\u6837\u914d\u7f6e\uff0c\u53ea\u8981\u8bf7\u6c42\u4e2d\u5305\u542b smile \u5c5e\u6027\u7684\u53c2\u6570\u5373\u53ef\u5339\u914d\u8def\u7531\u3002<\/p>\n
\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165:<\/p>\n
curl localhost:8080?smile=x&id=2<\/code><\/pre>\n\u7ecf\u8fc7\u6d4b\u8bd5\u53d1\u73b0\u53ea\u8981\u8bf7\u6c42\u6c47\u603b\u5e26\u6709 smile \u53c2\u6570\u5373\u4f1a\u5339\u914d\u8def\u7531\uff0c\u4e0d\u5e26 smile \u53c2\u6570\u5219\u4e0d\u4f1a\u5339\u914d\u3002<\/p>\n
\u8fd8\u53ef\u4ee5\u5c06 Query \u7684\u503c\u4ee5\u952e\u503c\u5bf9\u7684\u65b9\u5f0f\u8fdb\u884c\u914d\u7f6e\uff0c\u8fd9\u6837\u5728\u8bf7\u6c42\u8fc7\u6765\u65f6\u4f1a\u5bf9\u5c5e\u6027\u503c\u548c\u6b63\u5219\u8fdb\u884c\u5339\u914d\uff0c\u5339\u914d\u4e0a\u624d\u4f1a\u8d70\u8def\u7531\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: query_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - Query=keep, pu.<\/code><\/pre>\n\u8fd9\u6837\u53ea\u8981\u5f53\u8bf7\u6c42\u4e2d\u5305\u542b keep \u5c5e\u6027\u5e76\u4e14\u53c2\u6570\u503c\u662f\u4ee5 pu \u5f00\u5934\u7684\u957f\u5ea6\u4e3a\u4e09\u4f4d\u7684\u5b57\u7b26\u4e32\u624d\u4f1a\u8fdb\u884c\u5339\u914d\u548c\u8def\u7531\u3002<\/p>\n
\u4f7f\u7528 curl \u6d4b\u8bd5\uff0c\u547d\u4ee4\u884c\u8f93\u5165\uff1a<\/p>\n
curl localhost:8080?keep=pub<\/code><\/pre>\n\u6d4b\u8bd5\u53ef\u4ee5\u8fd4\u56de\u9875\u9762\u4ee3\u7801\uff0c\u5c06 keep \u7684\u5c5e\u6027\u503c\u6539\u4e3a pubx \u518d\u6b21\u8bbf\u95ee\u5c31\u4f1a\u62a5 404\uff0c\u8bc1\u660e\u8def\u7531\u9700\u8981\u5339\u914d\u6b63\u5219\u8868\u8fbe\u5f0f\u624d\u4f1a\u8fdb\u884c\u8def\u7531<\/p>\n
\u901a\u8fc7\u8bf7\u6c42 ip \u5730\u5740\u8fdb\u884c\u5339\u914d<\/h3>\n
Predicate \u4e5f\u652f\u6301\u901a\u8fc7\u8bbe\u7f6e\u67d0\u4e2a ip \u533a\u95f4\u53f7\u6bb5\u7684\u8bf7\u6c42\u624d\u4f1a\u8def\u7531\uff0cRemoteAddr Route Predicate \u63a5\u53d7 cidr \u7b26\u53f7(IPv4 \u6216 IPv6 )\u5b57\u7b26\u4e32\u7684\u5217\u8868(\u6700\u5c0f\u5927\u5c0f\u4e3a1)\uff0c\u4f8b\u5982 192.168.0.1\/16 (\u5176\u4e2d 192.168.0.1 \u662f IP \u5730\u5740\uff0c16 \u662f\u5b50\u7f51\u63a9\u7801)\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: remoteaddr_route\n uri: http:\/\/www.appblog.cn\n predicates:\n - RemoteAddr=192.168.1.1\/24<\/code><\/pre>\n\u53ef\u4ee5\u5c06\u6b64\u5730\u5740\u8bbe\u7f6e\u4e3a\u672c\u673a\u7684 ip \u5730\u5740\u8fdb\u884c\u6d4b\u8bd5<\/p>\n
curl localhost:8080<\/code><\/pre>\n\u5982\u679c\u8bf7\u6c42\u7684\u8fdc\u7a0b\u5730\u5740\u662f 192.168.1.10\uff0c\u5219\u6b64\u8def\u7531\u5c06\u5339\u914d<\/p>\n
\u7ec4\u5408\u4f7f\u7528<\/h3>\n
\u4e0a\u9762\u4e3a\u4e86\u6f14\u793a\u5404\u4e2a Predicate \u7684\u4f7f\u7528\uff0c\u6211\u4eec\u662f\u5355\u4e2a\u5355\u4e2a\u8fdb\u884c\u914d\u7f6e\u6d4b\u8bd5\uff0c\u5176\u5b9e\u53ef\u4ee5\u5c06\u5404\u79cd Predicate \u7ec4\u5408\u8d77\u6765\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
spring:\n cloud:\n gateway:\n routes:\n - id: host_foo_path_headers_to_httpbin\n uri: http:\/\/www.appblog.cn\n predicates:\n - Host=**.foo.org\n - Path=\/headers\n - Method=GET\n - Header=X-Request-Id, \\d+\n - Query=foo, ba.\n - Query=baz\n - Cookie=chocolate, ch.p\n - After=2018-01-20T06:06:06+08:00[Asia\/Shanghai]<\/code><\/pre>\n\u5404\u79cd Predicates \u540c\u65f6\u5b58\u5728\u4e8e\u540c\u4e00\u4e2a\u8def\u7531\u65f6\uff0c\u8bf7\u6c42\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3\u6240\u6709\u7684\u6761\u4ef6\u624d\u88ab\u8fd9\u4e2a\u8def\u7531\u5339\u914d\u3002<\/p>\n
\n
\u4e00\u4e2a\u8bf7\u6c42\u6ee1\u8db3\u591a\u4e2a\u8def\u7531\u7684\u8c13\u8bcd\u6761\u4ef6\u65f6\uff0c\u8bf7\u6c42\u53ea\u4f1a\u88ab\u9996\u4e2a\u6210\u529f\u5339\u914d\u7684\u8def\u7531\u8f6c\u53d1<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
Spring \u5b98\u65b9\u6700\u7ec8\u8fd8\u662f\u6309\u637a\u4e0d\u4f4f\u63a8\u51fa\u4e86\u81ea\u5df1\u7684\u7f51\u5173\u7ec4\u4ef6\uff1aSpring Cloud Gateway \uff0c\u76f8\u6bd4\u4e4b\u524d\u6211 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[439],"class_list":["post-1951","post","type-post","status-publish","format-standard","hentry","category-spring-cloud","tag-spring-cloud-gateway"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1951"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1951\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}