{"id":320,"date":"2022-04-09T09:27:19","date_gmt":"2022-04-09T01:27:19","guid":{"rendered":"https:\/\/blog.lijiajia.top\/?p=320"},"modified":"2026-06-19T21:37:55","modified_gmt":"2026-06-19T13:37:55","slug":"spring5%e6%a1%86%e6%9e%b6%e5%ad%a6%e4%b9%a0%ef%bc%9a%e6%96%b0%e5%8a%9f%e8%83%bd-webflux%e4%ba%8c%e5%8d%81%e4%b8%83","status":"publish","type":"post","link":"https:\/\/blog.ttwow.top\/?p=320","title":{"rendered":"Spring5\u6846\u67b6\u5b66\u4e60\uff1a\u65b0\u529f\u80fd-Webflux\u4ecb\u7ecd(\u4e8c\u5341\u4e03)"},"content":{"rendered":"

\u5b98\u7f51\uff1ahttps:\/\/docs.spring.io\/spring-framework\/docs\/current\/reference\/html\/web-reactive.html<\/a><\/p>\n

1\u3001SpringWebflux\u4ecb\u7ecd<\/h2>\n

(1)\u662fSpring5\u6dfb\u52a0\u65b0\u7684\u6a21\u5757\uff0c\u7528\u4e8eweb\u5f00\u53d1\u7684\uff0c\u529f\u80fd\u548cSpringMVC\u7c7b\u4f3c\u7684\uff0cwebflux\u4f7f\u7528\u5f53\u524d\u4e00\u79cd\u6bd4\u8f83\u6d41\u884c\u7684 \u54cd\u5e94\u5f0f\u7f16\u7a0b \u800c\u51fa\u73b0\u7684\u6846\u67b6\u3002<\/h3>\n

(2)\u4f7f\u7528\u4f20\u7edfweb\u6846\u67b6\uff0c\u6bd4\u5982SpringMVC,\u8fd9\u4e9b\u57fa\u4e8eServlet\u5bb9\u5668\uff0cWebflux\u662f\u4e00\u79cd\u5f02\u6b65\u975e\u963b\u585e\u7684\u6846\u67b6\uff0c\u5f02\u6b65\u975e\u963b\u585e\u7684\u6846\u67b6\u5728Servlet:3.1\u4ee5\u540e\u624d\u652f\u6301\uff0c\u6838\u5fc3\u662f\u57fa\u4e8eReactor\u7684\u76f8\u5173API\u5b9e\u73b0\u7684\u3002<\/h3>\n

(3)\u89e3\u91ca\u4ec0\u4e48\u662f\u5f02\u6b65\u975e\u963b\u585e<\/h3>\n

\u5f02\u6b65\u548c\u540c\u6b65
\n<\/em>\u975e\u963b\u585e\u548c\u963b\u585e
\n**\u4e0a\u9762\u90fd\u662f\u9488\u5bf9\u5bf9\u8c61\u4e0d\u4e00\u6837<\/p>\n

**\u5f02\u6b65\u548c\u540c\u6b65\u9488\u5bf9\u8c03\u7528\u8005\uff0c\u8c03\u7528\u8005\u53d1\u9001\u8bf7\u6c42\uff0c\u5982\u679c\u7b49\u7740\u5bf9\u65b9\u56de\u5e94\u4e4b\u540e\u624d\u53bb\u505a\u5176\u4ed6\u4e8b\u60c5\u5c31\u662f\u540c\u6b65\uff0c\u5982\u679c\u53d1\u9001\u8bf7\u6c42\u4e4b\u540e\u4e0d\u7b49\u7740\u5bf9\u65b9\u56de\u5e94\u5c31\u53bb\u505a\u5176\u4ed6\u4e8b\u60c5\u5c31\u662f\u5f02\u6b65<\/p>\n

**\u963b\u585e\u548c\u975e\u963b\u585e\u9488\u5bf9\u88ab\u8c03\u7528\u8005\uff0c\u88ab\u8c03\u7528\u8005\u53d7\u5230\u8bf7\u6c42\u4e4b\u540e\uff0c\u505a\u5b8c\u8bf7\u6c42\u4efb\u52a1\u4e4b\u540e\u624d\u7ed9\u51fa\u53cd\u9988\u5c31\u662f\u963b\u585e\uff0c\u53d7\u5230\u8bf7\u6c42\u4e4b\u540e\u9a6c\u4e0a\u7ed9\u51fa\u53cd\u9988\u7136\u540e\u518d\u53bb\u505a\u4e8b\u60c5\u5c31\u662f\u975e\u963b\u585e<\/p>\n

(4)webflux\u7279\u70b9\uff1a<\/h3>\n

\u7b2c\u4e00\uff1a\u975e\u963b\u585e\u5f0f\uff1a\u5728\u6709\u9650\u8d44\u6e90\u4e0b\uff0c\u63d0\u9ad8\u7cfb\u7edf\u541e\u5410\u91cf\u548c\u4f38\u7f29\u6027\uff0c\u4ee5Reactor\u4e3a\u57fa\u7840\u5b9e\u73b0\u54cd\u5e94\u5f0f\u7f16\u7a0b
\n\u7b2c\u4e8c\uff1a\u51fd\u6570\u5f0f\u7f16\u7a0b\uff1aSpring5\u6846\u67b6\u57fa\u4e8ejava8,Webflux\u4f7f\u7528Java8\u51fd\u6570\u5f0f\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u8def\u7531\u8bf7\u6c42<\/p>\n

(5)\u6bd4\u8f83SpringMVC<\/h3>\n

\"file\"<\/div>
\n\u7b2c\u4e00\uff1a\u4e24\u4e2a\u6846\u67b6\u90fd\u53ef\u4ee5\u4f7f\u7528\u6ce8\u89e3\u65b9\u5f0f\uff0c\u90fd\u8fd0\u884c\u5728Tomcat\u7b49\u5bb9\u5668\u4e2d<\/p>\n

\u7b2c\u4e8c\uff1aSpringMVC\u91c7\u7528\u547d\u4ee4\u5f0f\u7f16\u7a0b\uff0cWebflux\u91c7\u7528\u5f02\u6b65\u54cd\u5e94\u5f0f\u7f16\u7a0b<\/p>\n

2\u3001\u54cd\u5e94\u5f0f\u7f16\u7a0b(Java\u5b9e\u73b0)<\/h2>\n

(1)\u4ec0\u4e48\u662f\u54cd\u5e94\u5f0f\u7f16\u7a0b<\/h3>\n

\u54cd\u5e94\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u9762\u5411\u6570\u636e\u6d41\u548c\u53d8\u5316\u4f20\u64ad\u7684\u7f16\u7a0b\u8303\u5f0f\u3002\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u5728\u7f16\u7a0b\u8bed\u8a00\u4e2d\u5f88\u65b9\u4fbf\u5730\u8868\u8fbe\u9759\u6001\u6216\u52a8\u6001\u7684\u6570\u636e\u6d41\uff0c\u800c\u76f8\u5173\u7684\u8ba1\u7b97\u6a21\u578b\u4f1a\u81ea\u52a8\u5c06\u53d8\u5316\u7684\u503c\u901a\u8fc7\u6570\u636e\u6d41\u8fdb\u884c\u4f20\u64ad\u3002<\/p>\n

\u7535\u5b50\u8868\u683c\u7a0b\u5e8f\u5c31\u662f\u54cd\u5e94\u5f0f\u7f16\u7a0b\u7684\u4e00\u4e2a\u4f8b\u5b50\u3002\u5355\u5143\u683c\u53ef\u4ee5\u5305\u542b\u5b57\u9762\u503c\u6216\u7c7b\u4f3c"=B1+C1"\u7684\u516c\u5f0f\uff0c\u800c\u5305\u542b\u516c\u5f0f\u7684\u5355\u5143\u683c\u7684\u503c\u4f1a\u4f9d\u636e\u5176\u4ed6\u5355\u5143\u683c\u7684\u503c\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/p>\n

(2)Java8\u53ca\u5176\u4e4b\u524d\u7248\u672c<\/h3>\n

*\u63d0\u4f9b\u7684\u89c2\u5bdf\u8005\u6a21\u5f0f\u4e24\u4e2a\u7c7bObserver\u548cObservable<\/p>\n

public class ObserverDemo extends Observable {\n\n    public static void main(String[] args) {\n\n        ObserverDemo observer = new ObserverDemo();\n\n        \/\/\u6dfb\u52a0\u89c2\u5bdf\u8005\n        observer.addObserver((o,arg) -> {\n            System.out.println("\u53d1\u751f\u4e86\u53d8\u5316\uff01\uff01\uff01");\n        });\n        observer.addObserver((o,arg) -> {\n            System.out.println("\u6536\u5230\u88ab\u89c2\u5bdf\u901a\u77e5\uff0c\u51c6\u5907\u6539\u53d8\uff01\uff01\uff01");\n        });\n\n        observer.setChanged();\/\/\u6570\u636e\u53d8\u5316\n        observer.notifyObservers();\/\/\u901a\u77e5\n    }\n}<\/code><\/pre>\n
Java9\u53ca\u4ee5\u540e\u7248\u672c\uff1a<\/p>\n
public class Main {\n\n    public static void main(String[] args) {\n        Flow.Publisher<String> publisher = subscriber -> {\n            subscriber.onNext("1"); \/\/ 1\n            subscriber.onNext("2");\n            subscriber.onError(new RuntimeException("\u51fa\u9519")); \/\/ 2\n            \/\/  subscriber.onComplete();\n        };\n\n        publisher.subscribe(new Flow.Subscriber<>() {\n            @Override\n            public void onSubscribe(Flow.Subscription subscription) {\n                subscription.cancel();\n            }\n\n            @Override\n            public void onNext(String item) {\n                System.out.println(item);\n            }\n\n            @Override\n            public void onError(Throwable throwable) {\n                System.out.println("\u51fa\u9519\u4e86");\n            }\n\n            @Override\n            public void onComplete() {\n                System.out.println("publish complete");\n            }\n        });\n    }\n}<\/code><\/pre>\n
3\u3001\u54cd\u5e94\u5f0f\u7f16\u7a0b(Reactor\u5b9e\u73b0)<\/h2>\n
(1)\u54cd\u5e94\u5f0f\u7f16\u7a0b\u64cd\u4f5c\u4e2d\uff0cReactor\u662f\u6ee1\u8db3Reactive\u89c4\u8303\u6846\u67b6<\/h3>\n
(2)Reactor\u6709\u4e24\u4e2a\u6838\u5fc3\u7c7b\uff0cMono\u548cFlux,\u8fd9\u4e24\u4e2a\u7c7b\u5b9e\u73b0\u63a5\u53e3Publisher,\u63d0\u4f9b\u4e30\u5bcc\u64cd\u4f5c\u7b26\u3002FIux\u5bf9\u8c61\u5b9e\u73b0\u53d1\u5e03\u8005\uff0c\u8fd4\u56deN\u4e2a\u5143\u7d20\uff1bMono\u5b9e\u73b0\u53d1\u5e03\u8005\uff0c\u8fd4\u56de0\u6216\u80051\u4e2a\u5143\u7d20<\/h3>\n
(3)F1ux\u548cMono\u90fd\u662f\u6570\u636e\u6d41\u7684\u53d1\u5e03\u8005\uff0c\u4f7f\u7528Flux\u548cMono\u90fd\u53ef\u4ee5\u53d1\u51fa\u4e09\u79cd\u6570\u636e\u4fe1\u53f7\uff1a\u5143\u7d20\u503c\uff0c\u9519\u8bef\u4fe1\u53f7\uff0c\u5b8c\u6210\u4fe1\u53f7\u3002\u9519\u8bef\u4fe1\u53f7\u548c\u5b8c\u6210\u4fe1\u53f7\u90fd\u4ee3\u8868\u7ec8\u6b62\u4fe1\u53f7\uff0c\u7ec8\u6b62\u4fe1\u53f7\u7528\u4e8e\u544a\u8bc9\u8ba2\u9605\u8005\u6570\u636e\u6d41\u7ed3\u675f\u4e86\uff0c\u9519\u8bef\u4fe1\u53f7\u7ec8\u6b62\u6570\u636e\u6d41\u540c\u65f6\u628a\u9519\u8bef\u4fe1\u606f\u4f20\u9012\u7ed9\u8ba2\u9605\u8005<\/h3>\n
\"file\"<\/div><\/p>\n
(4)\u4ee3\u7801\u6f14\u793aFlux\u548cMono<\/h3>\n
\u7b2c\u4e00\u6b65\uff1a\u5f15\u5165\u4f9d\u8d56<\/p>\n
<dependency>\n            <groupId>io.projectreactor<\/groupId>\n            <artifactId>reactor-core<\/artifactId>\n            <version>3.1.5.RELEASE<\/version>\n        <\/dependency><\/code><\/pre>\n
\u7b2c\u4e8c\u6b65\uff1a\u7f16\u5199\u4ee3\u7801<\/p>\n
   public static void main(String[] args) {\n\n        \/\/just \u65b9\u6cd5\u76f4\u63a5\u58f0\u660e\n        Flux.just(1,2,3,5);\n        Mono.just(2);\n\n        \/\/\u5176\u4ed6\u7684\u65b9\u6cd5\n        Integer[] array = {1,2,3,4};\n        Flux.fromArray(array);\n\n        \/\/\u96c6\u5408\n        List<Integer> list = Arrays.asList(array);\n        Flux.fromIterable(list);\n\n        \/\/\u6d41\n        Stream<Integer> stream = list.stream();\n        Flux.fromStream(stream);\n    }<\/code><\/pre>\n
(5)\u4e09\u79cd\u4fe1\u53f7\u7279\u70b9<\/h3>\n
\u9519\u8bef\u4fe1\u53f7\u548c\u5b8c\u6210\u4fe1\u53f7\u90fd\u662f\u7ec8\u6b62\u4fe1\u53f7\uff0c\u4e0d\u80fd\u5171\u5b58\u7684
\n<\/em>\u5982\u679c\u6ca1\u6709\u53d1\u9001\u4efb\u4f55\u5143\u7d20\u503c\uff0c\u800c\u662f\u76f4\u63a5\u53d1\u9001\u9519\u8bef\u6216\u8005\u5b8c\u6210\u4fe1\u53f7\uff0c\u8868\u793a\u662f\u7a7a\u6570\u636e\u6d41
\n*\u5982\u679c\u6ca1\u6709\u9519\u8bef\u4fe1\u53f7\uff0c\u6ca1\u6709\u5b8c\u6210\u4fe1\u53f7\uff0c\u8868\u793a\u662f\u65e0\u9650\u6570\u636e\u6d41<\/p>\n
(6)\u8c03\u7528just\u6216\u8005\u5176\u4ed6\u65b9\u6cd5\u53ea\u662f\u58f0\u660e\u6570\u636e\u6d41\uff0c\u6570\u636e\u6d41\u5e76\u6ca1\u6709\u53d1\u51fa\uff0c\u53ea\u6709\u8fdb\u884c\u8ba2\u9605\u4e4b\u540e\u624d\u4f1a\u89e6\u53d1\u6570\u636e\u6d41\uff0c\u4e0d\u8ba2\u9605\u4ec0\u4e48\u90fd\u4e0d\u4f1a\u53d1\u751f\u7684<\/h3>\n
        \/\/just \u65b9\u6cd5\u76f4\u63a5\u58f0\u660e\n        Flux.just(1,2,3,5).subscribe(System.out::println);\n        Mono.just(2).subscribe(System.out::println);<\/code><\/pre>\n
(7)\u64cd\u4f5c\u7b26<\/h3>\n
*\u5bf9\u6570\u636e\u6d41\u8fdb\u884c\u4e00\u9053\u9053\u64cd\u4f5c\uff0c\u6210\u4e3a\u64cd\u4f5c\u7b26\uff0c\u6bd4\u5982\u5de5\u5382\u6d41\u6c34\u7ebf
\n\u7b2c\u4e00 map \u5143\u7d20\u6620\u5c04\u4e3a\u65b0\u5143\u7d20
\n
\"file\"<\/div><\/p>\n
\u7b2c\u4e8c flatMap \u5143\u7d20\u6620\u5c04\u4e3a\u6d41
\n\u628a\u6bcf\u4e2a\u5143\u7d20\u8f6c\u6362\u6d41\uff0c\u8f6c\u6362\u4e4b\u540e\u591a\u4e2a\u6d41\u5408\u5e76\u6210\u5927\u7684\u6d41
\n
\"file\"<\/div><\/p>\n
4\u3001SpringWebflux\u6267\u884c\u6d41\u7a0b\u548c\u6838\u5fc3API<\/h2>\n
SpringWebflux\u57fa\u4e8eReactor,\u9ed8\u8ba4\u4f7f\u7528\u5bb9\u5668\u662fNetty,Netty\u662f\u9ad8\u6027\u80fd\u7684NIO\u6846\u67b6\uff0c\u5f02\u6b65\u975e\u963b\u585e\u7684\u6846\u67b6<\/p>\n
(1)Netty<\/h3>\n
BIO
\n
\"file\"<\/div>
\n<\/em>NIO
\n
\"file\"<\/div><\/p>\n
(2)SpringWebflux\u6267\u884c\u8fc7\u7a0b\u548cSpringMVC\u662f\u76f8\u4f3c\u7684<\/h3>\n
SpringWebflux\u6838\u5fc3\u63a7\u5236\u5668DispatchHandler,\u5b9e\u73b0\u63a5\u53e3WebHandler
\n<\/em>\u63a5\u53e3WebHandler\u6709\u4e00\u4e2a\u65b9\u6cd5<\/p>\n
public interface WebHandler {\n\n    \/**\n     * Handle the web server exchange.\n     * @param exchange the current server exchange\n     * @return {@code Mono<Void>} to indicate when request handling is complete\n     *\/\n    Mono<Void> handle(ServerWebExchange exchange);\n\n}<\/code><\/pre>\n
    public Mono<Void> handle(ServerWebExchange exchange) {\n        return this.handlerMappings == null ? this.createNotFoundError() : Flux.fromIterable(this.handlerMappings).concatMap((mapping) -> {\n            return mapping.getHandler(exchange);\n        }).next().switchIfEmpty(this.createNotFoundError()).flatMap((handler) -> {\n            return this.invokeHandler(exchange, handler);\n        }).flatMap((result) -> {\n            return this.handleResult(exchange, result);\n        });\n    }<\/code><\/pre>\n
(3)SpringWebflux\u91cc\u9762DispatcherHandler,\u8d1f\u8d23\u8bf7\u6c42\u7684\u5904\u7406<\/h3>\n
HandlerMapping:\u8bf7\u6c42\u67e5\u8be2\u5230\u5904\u7406\u7684\u65b9\u6cd5
\n<\/em>HandlerAdapter:\u771f\u6b63\u8d1f\u8d23\u8bf7\u6c42\u5904\u7406
\n*HandlerResultHandler:\u54cd\u5e94\u7ed3\u679c\u5904\u7406<\/p>\n
(A)SpringWebflux\u5b9e\u73b0\u51fd\u6570\u5f0f\u7f16\u7a0b\uff0c\u4e24\u4e2a\u63a5\u53e3\uff1aRouterFunction(\u8def\u7531\u5904\u7406)\u548cHandlerFunction(\u5904\u7406\u51fd\u6570)<\/h3>\n","protected":false},"excerpt":{"rendered":"
\u5b98\u7f51\uff1ahttps:\/\/docs.spring.io\/spring-framework\/docs\/current […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[68],"class_list":["post-320","post","type-post","status-publish","format-standard","hentry","category-java-backend","tag-spring"],"_links":{"self":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=320"}],"version-history":[{"count":1,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/320\/revisions"}],"predecessor-version":[{"id":2136,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/320\/revisions\/2136"}],"wp:attachment":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}