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\u6d89\u53ca\u7684gateway\u7248\u672c<\/p>\n
<dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-starter-gateway<\/artifactId>\n <version>2.1.4.RELEASE<\/version>\n <\/dependency>\n<\/code><\/pre>\n\u4e3b\u8981\u5b9e\u73b0\u8fc7\u7a0b\u8fd8\u662f\u5b9e\u73b0GatewayFilter\u63a5\u53e3\uff0c\u83b7\u53d6\u5230\u8981\u6307\u5b9a\u7684IP\u5730\u5740\u4e0e\u7aef\u53e3\uff0c\u7136\u540e\u7ec4\u88c5\u6210URI\u4e0eRoute\uff0c\u6700\u540e\u8f6c\u53d1\u51fa\u53bb<\/p>\n
import cn.hutool.core.util.ObjectUtil;\nimport cn.hutool.core.util.StrUtil;\nimport com.ecwid.consul.v1.health.model.HealthService;\n\nimport lombok.extern.slf4j.Slf4j;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.cloud.gateway.filter.GatewayFilter;\nimport org.springframework.cloud.gateway.filter.GatewayFilterChain;\nimport org.springframework.cloud.gateway.route.Route;\nimport org.springframework.core.Ordered;\nimport org.springframework.http.server.reactive.ServerHttpResponse;\nimport org.springframework.web.server.ServerWebExchange;\nimport org.springframework.web.util.UriComponentsBuilder;\n\nimport java.net.URI;\nimport java.util.List;\nimport java.util.Optional;\n\nimport reactor.core.publisher.Mono;\n\nimport static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.GATEWAY_ROUTE_ATTR;\n\n\/**\n * \u8f6c\u53d1\u8def\u7531\uff0c\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u5bf9\u540e\u7aef\u670d\u52a1\u8fdb\u884c\u8bbf\u95ee\n *\n *\/\n@Slf4j\npublic class RouteFilter implements GatewayFilter, Ordered {\n\n @Autowired\n private RedisUtil redisUtil;\n\n @Autowired\n private LoadBalanceHandler loadBalance;\n\n @Override\n public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {\n ServerHttpResponse response = exchange.getResponse();\n \/\/\u83b7\u53d6\u539f\u6765\u7684\u8bf7\u6c42\u8def\u5f84\n String requestPath = exchange.getAttribute(FilterDict.SYSTEM_REQUEST_PATH);\n \/\/randomSelectInstance\u65b9\u6cd5\u4f1a\u83b7\u53d6\u5230\u4e00\u4e2a\"ip:port\"\u8fd9\u6837\u7ed3\u6784\u7684\u5b57\u7b26\u4e32\n String instanceInfo = loadBalance.randomSelectInstance();\n \/\/\u5982\u679c\u6ca1\u6709\u670d\u52a1\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u62a5\u9519\n if (StrUtil.isEmpty(instanceInfo)) {\n return response.writeWith(Mono.just(GateWayFilterUtils.writeData(exchange, RecoError.GEN_SERVER_BUSY)));\n }\n \/\/\u7528\u4e8e\u6d4b\u8bd5\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u5bf9IP\u5206\u914d\u662f\u5426\u5747\u8861\n\/\/ redisUtil.zIncrementScore(\"test:gateway:load:ip\",instanceInfo,1);\n \/\/\u5206\u5272\u5730\u5740\u4e2dIP\u548c\u7aef\u53e3\n String[] serviceAddress = instanceInfo.split(StrUtil.COLON);\n String requestSchema = exchange.getRequest().getURI().getScheme();\n \/\/\u62fc\u63a5URL\u7684\u6570\u636e\n assert ObjectUtil.isNotNull(requestPath);\n URI uri = UriComponentsBuilder.\n newInstance().scheme(requestSchema).\n host(serviceAddress[0].trim()).port(Integer.parseInt(serviceAddress[1].trim()))\n .path(requestPath).query(exchange.getRequest().getURI().getRawQuery()).build(true)\n .toUri();\n \/\/\u5c06\u62fc\u63a5\u597d\u7684URL\u88c5\u5165\u65b0\u7684exchange\n ServerWebExchange mutateExchange = exchange.mutate().request(builder -> builder.uri(uri).build()).build();\n Optional<Route> route = Optional.of(exchange.getAttribute(GATEWAY_ROUTE_ATTR));\n Route newRoute = Route.async()\n .asyncPredicate(route.get().getPredicate())\n .filters(route.get().getFilters())\n .id(route.get().getId())\n .order(route.get().getOrder())\n .uri(uri).build();\n mutateExchange.getAttributes().put(GATEWAY_ROUTE_ATTR, newRoute);\n mutateExchange.getAttributes().put(FilterDict.SYSTEM_APP_IP_ADDR, serviceAddress[0]);\n return chain.filter(mutateExchange);\n }\n\n @Override\n public int getOrder() {\n return FilterDict.SYSTEM_FILTER_ORDER + 4;\n }\n}\n<\/code><\/pre>\n\u5355\u72ec\u7f16\u5199\u8def\u7531filter\u4ee5\u540e\uff0c\u8fd8\u9700\u8981\u5f15\u5165\u624d\u80fd\u6267\u884c\uff0c\u5728\u5168\u5c40\u914d\u7f6e\u4e2d\u5012\u5165bean\uff0c\u6700\u540e\u542f\u52a8\u5c31\u53ef\u4ee5\u6267\u884c\u4e86<\/p>\n
import org.springframework.beans.factory.annotation.Value;\nimport org.springframework.cloud.gateway.filter.ratelimit.RedisRateLimiter;\nimport org.springframework.cloud.gateway.route.RouteLocator;\nimport org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport lombok.extern.slf4j.Slf4j;\n\nimport java.time.Duration;\n\n\/**\n * \u5168\u5c40\u8fc7\u6ee4\u5668\u914d\u7f6e\u52a0\u8f7d\n *\n * @author :wcy\n *\/\n@Slf4j\n@Configuration\npublic class GlobalFilterConfigure {\n \/\/\u7528\u4e8e\u8bbe\u7f6e\u8def\u7531\u7684\n @Bean\n public RouteFilter routeFilter(){\n return new RouteFilter();\n }\n\n \/**\n * \u5c06\u6240\u6709\u81ea\u5b9a\u4e49\u7684filter\u52a0\u8f7d\u8fdb\u6765\n *\/\n @Bean\n public RouteLocator customerRouteLocator(RouteLocatorBuilder builder, RedisRateLimiter redisRateLimiter) {\n return builder.routes()\n .route(r -> r.path(FilterDict.GATEWAY_BASE_INTERCEPT_URL)\n \/\/\u5c06\u81ea\u5b9a\u4e49\u7684filter\u52a0\u8f7d\u8fdb\u6765\n .filters(f -> f.filters(routeFilter())\n \/\/\u8bf7\u6c42\u5927\u5c0f\n .setRequestSize(requestLimitSize)\n \/\/\u8bf7\u6c42\u9650\u6d41,\u76ee\u524d\u4f7f\u7528\u8bf7\u6c42IP,\u4ee5\u540e\u53ef\u4ee5\u6269\u5c55\u4f7f\u7528\u5176\u4ed6\u9650\u5b9a\u7ec4\u5408\n\/\/ .filter(rateLimitByIpGatewayFilter())\n )\n .uri(\"http:\/\/127.0.0.1:\" + servicePort + \"\/actuator\/health\")\n .order(FilterDict.SYSTEM_FILTER_ORDER)\n .id(FilterDict.GATEWAY_ROUTE_NAME)\n ).build();\n }\n\n}\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u63d0\u4f9b\u4e00\u79cd\u8f6c\u53d1\u8def\u7531\u7684\u4ee3\u7801\u5b9e\u73b0\u65b9\u5f0f\uff0c\u4e4b\u524d\u8bf4\u7684gateway\u90fd\u662f\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u6765\u5bf9\u8bf7\u6c42\u8fdb\u884c\u8def\u7531\uff0c\u8fd9\u6837\u867d\u7136\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u4e0d\u591f\u7075\u6d3b\uff0c\u5982\u679c\u540e\u7aef\u5bf9\u5e94\u5f88\u591a\u670d\u52a1\u5b9e\u4f8b\uff0c\u7f51\u5173\u60f3\u8981\u6839\u636e\u81ea\u5df1\u7684\u89c4\u5219\u6765\u8f6c\u53d1\u8bf7\u6c42\uff0c\u6bd4\u5982\u7f16\u5199\u4e0d\u540c\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u505a\u4e00\u4e9b\u7279\u522b\u7684\u6743\u91cd\uff0c\u4ee5\u53ca\u5728\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u52a8\u6001\u7684\u53d8\u66f4\u8f6c\u53d1\u5730\u5740\uff0c\u8fd9\u4e9b\u7528\u914d\u7f6e\u6587\u4ef6\u6765\u505a\u90fd\u4e0d\u591f\u7075\u6d3b\uff0c\u6ca1\u6cd5\u81ea\u7531\u7684\u5b9a\u4e49\u89c4\u5219\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-1170","post","type-post","status-publish","format-standard","hentry","category-java"],"_links":{"self":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/comments?post=1170"}],"version-history":[{"count":1,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1170\/revisions"}],"predecessor-version":[{"id":1332,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/posts\/1170\/revisions\/1332"}],"wp:attachment":[{"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/media?parent=1170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/categories?post=1170"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rain1024.com\/index.php\/wp-json\/wp\/v2\/tags?post=1170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}