{"id":119458,"date":"2026-10-29T19:01:10","date_gmt":"2026-10-29T11:01:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119458.html"},"modified":"2026-10-29T19:01:10","modified_gmt":"2026-10-29T11:01:10","slug":"%e3%80%90spring-cloud%e3%80%91gateway%e9%9d%a2%e8%af%95%e5%88%b0%e5%ba%95%e8%80%83%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119458.html","title":{"rendered":"\u3010Spring Cloud\u3011Gateway\u9762\u8bd5\u5230\u5e95\u8003\u4ec0\u4e48"},"content":{"rendered":"<h2>\u300c\u8bf4\u8bf4 Spring Cloud Gateway\u300d\u2014\u2014\u8fd9\u9898\u5230\u5e95\u5728\u8003\u4ec0\u4e48<\/h2>\n<h3>\u5f00\u573a&#xff1a;\u8fd9\u9898\u4e3a\u4ec0\u4e48\u9ad8\u9891<\/h3>\n<p>\u5fae\u670d\u52a1\u62c6\u5230\u4e00\u5b9a\u9636\u6bb5&#xff0c;\u7f51\u5173\u5fc5\u7136\u51fa\u73b0\u3002\u9762\u8bd5\u5b98\u95ee\u5b83&#xff0c;\u901a\u5e38\u4e0d\u662f\u60f3\u542c\u4f60\u80cc\u300c\u8def\u7531\u3001\u65ad\u8a00\u3001\u8fc7\u6ee4\u5668\u300d\u4e09\u4e2a\u8bcd&#xff0c;\u800c\u662f\u60f3\u786e\u8ba4\u4e09\u4ef6\u4e8b&#xff1a;\u4f60\u7406\u89e3\u4e0d\u7406\u89e3\u54cd\u5e94\u5f0f\u7f16\u7a0b\u7684\u4ee3\u4ef7\u3001\u77e5\u4e0d\u77e5\u9053\u7f51\u5173\u5728\u94fe\u8def\u91cc\u7684\u771f\u5b9e\u4f4d\u7f6e\u3001\u8e29\u6ca1\u8e29\u8fc7\u90a3\u4e9b\u53ea\u6709\u4e0a\u8fc7\u751f\u4ea7\u624d\u4f1a\u9047\u5230\u7684\u5751\u3002<\/p>\n<p>\u5148\u7ed9\u4e00\u53e5\u8bdd\u5b9a\u4e49&#xff1a;Spring Cloud Gateway \u662f Spring \u5b98\u65b9\u4e3a\u5fae\u670d\u52a1\u63d0\u4f9b\u7684\u7b2c\u4e8c\u4ee3 API 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\u8fc7\u6ee4\u5668\u300d\u8fd9\u5957\u6a21\u578b&#xff0c;\u628a\u9274\u6743\u3001\u9650\u6d41\u3001\u7070\u5ea6\u3001\u65e5\u5fd7\u8fd9\u4e9b\u6a2a\u5207\u903b\u8f91\u4ece\u5404\u4e2a\u4e1a\u52a1\u670d\u52a1\u91cc\u62bd\u51fa\u6765&#xff0c;\u7edf\u4e00\u653e\u5728\u6d41\u91cf\u5165\u53e3\u5904\u7406\u3002<\/p>\n<p>\u6253\u4e2a\u6bd4\u65b9&#xff0c;\u7f51\u5173\u50cf\u4e00\u680b\u5927\u697c\u7684\u4e00\u697c\u524d\u53f0\u3002\u6240\u6709\u8bbf\u5ba2&#xff08;\u8bf7\u6c42&#xff09;\u5148\u5230\u524d\u53f0&#xff0c;\u524d\u53f0\u6838\u5bf9\u8bc1\u4ef6&#xff08;\u9274\u6743\u8fc7\u6ee4\u5668&#xff09;&#xff0c;\u770b\u4f60\u8981\u627e\u54ea\u4e2a\u90e8\u95e8&#xff08;\u8def\u7531\u65ad\u8a00&#xff09;&#xff0c;\u7136\u540e\u6307\u8def\u6216\u5e26\u4f60\u8fc7\u53bb&#xff08;\u8f6c\u53d1&#xff09;\u3002\u8bbf\u5ba2\u592a\u591a\u65f6&#xff0c;\u524d\u53f0\u8fd8\u80fd\u987a\u624b\u9650\u6d41\u2014\u2014\u5148\u6392\u961f\u3002<\/p>\n<p>\u8fd9\u4e2a\u7c7b\u6bd4\u4e0d\u51c6\u7684\u5730\u65b9\u662f&#xff1a;\u524d\u53f0\u662f\u4e2a\u4eba&#xff0c;\u5fd9\u4e0d\u8fc7\u6765\u5c31\u6392\u961f&#xff1b;\u800c Gateway \u5e95\u4e0b\u662f\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u51e0\u4e2a\u7ebf\u7a0b\u5c31\u80fd\u6302\u7740\u4e0a\u4e07\u4e2a\u5e76\u53d1\u8fde\u63a5&#xff0c;\u300c\u5fd9\u300d\u7684\u8868\u73b0\u4e0d\u662f\u6392\u961f&#xff0c;\u800c\u662f\u54cd\u5e94\u53d8\u6162\u3001\u80cc\u538b\u5806\u79ef\u3002\u8fd9\u4e2a\u5dee\u522b\u6b63\u662f\u5b83\u66ff\u4ee3 Zuul 1.x \u7684\u6839\u672c\u539f\u56e0&#xff0c;\u7b2c\u4e8c\u8f6e\u4f1a\u5c55\u5f00\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u5b8c\u6574\u7684\u4e00\u8f6e\u5bf9\u8bdd\u3002<\/p>\n<h3>\u7b2c\u4e00\u8f6e&#xff1a;\u57fa\u7840\u9898<\/h3>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u5148\u8bf4\u8bf4 Spring Cloud Gateway \u91cc\u6700\u6838\u5fc3\u7684\u51e0\u4e2a\u6982\u5ff5\u3002<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u4e09\u4e2a\u2014\u2014Route\u3001Predicate\u3001Filter\u3002<\/p>\n<ul>\n<li>Route \u662f\u4e00\u6761\u8f6c\u53d1\u89c4\u5219&#xff0c;\u7531 id\u3001\u76ee\u6807 uri\u3001\u65ad\u8a00\u96c6\u5408\u3001\u8fc7\u6ee4\u5668\u96c6\u5408\u7ec4\u6210&#xff1b;<\/li>\n<li>Predicate \u662f\u5339\u914d\u6761\u4ef6&#xff0c;\u51b3\u5b9a\u300c\u8fd9\u4e2a\u8bf7\u6c42\u5f52\u4e0d\u5f52\u6211\u8fd9\u6761\u8def\u7531\u7ba1\u300d&#xff0c;\u5185\u7f6e\u4e86 Path\u3001Method\u3001Header\u3001Query\u3001Cookie\u3001\u65f6\u95f4\u7a97\u53e3\u7b49\u5341\u51e0\u79cd&#xff1b;<\/li>\n<li>Filter \u662f\u5904\u7406\u903b\u8f91&#xff0c;\u5206 GatewayFilter&#xff08;\u7ed1\u5728\u5355\u6761\u8def\u7531\u4e0a&#xff09;\u548c GlobalFilter&#xff08;\u5168\u5c40\u751f\u6548&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u4e09\u8005\u600e\u4e48\u534f\u4f5c&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u8bf7\u6c42\u8fdb\u6765\u540e\u6309\u8def\u7531\u9010\u6761\u5339\u914d\u65ad\u8a00&#xff0c;\u7b2c\u4e00\u6761\u5339\u914d\u4e0a\u7684\u8def\u7531\u63a5\u7ba1\u5b83&#xff0c;\u7136\u540e\u6267\u884c\u300c\u8fd9\u6761\u8def\u7531\u81ea\u5df1\u7684 GatewayFilter &#043; \u6240\u6709 GlobalFilter\u300d\u5408\u5e76\u6392\u5e8f\u540e\u7684\u94fe\u6761\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u914d\u7f6e\u4e00\u6761\u7ed9\u6211\u770b\u770b\u3002<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u4ee3\u7801\u5f0f\u6bd4 YAML \u76f4\u89c2&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ JDK 17 \/ Spring Boot 3.2 \/ Spring Cloud 2023.0.x<\/span><br \/>\n<span class=\"token comment\">\/\/ \u989d\u5916\u4f9d\u8d56&#xff1a;spring-cloud-starter-circuitbreaker-reactor-resilience4j&#xff08;\u7528\u5230 circuitBreaker \u65f6&#xff09;<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RouteConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">RouteLocator<\/span> <span class=\"token function\">customRoutes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RouteLocatorBuilder<\/span> builder<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> builder<span class=\"token punctuation\">.<\/span><span class=\"token function\">routes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u65ad\u8a00&#xff1a;\/api\/order\/** \u5f00\u5934\u7684\u8bf7\u6c42\u8d70\u8fd9\u6761\u8def\u7531<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;order-route&#034;<\/span><span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">-&gt;<\/span> r<span class=\"token punctuation\">.<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/order\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">filters<\/span><span class=\"token punctuation\">(<\/span>f <span class=\"token operator\">-&gt;<\/span> f<br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">stripPrefix<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span>                                  <span class=\"token comment\">\/\/ \u53bb\u6389\u7b2c\u4e00\u6bb5 \/api \u518d\u8f6c\u53d1\u7ed9\u4e0b\u6e38<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">addRequestHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X-From&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;gateway&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">circuitBreaker<\/span><span class=\"token punctuation\">(<\/span>c <span class=\"token operator\">-&gt;<\/span> c<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;orderCb&#034;<\/span><span class=\"token punctuation\">)<\/span>        <span class=\"token comment\">\/\/ \u7194\u65ad\u5668\u540d&#xff0c;\u9700\u5728\u914d\u7f6e\u91cc\u5b9a\u4e49\u89c4\u5219<\/span><br \/>\n                                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">setFallbackUri<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;forward:\/fallback&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">uri<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;lb:\/\/order-service&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>                          <span class=\"token comment\">\/\/ lb:\/\/ \u8868\u793a\u8d70\u670d\u52a1\u53d1\u73b0 &#043; \u8d1f\u8f7d\u5747\u8861<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">route<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user-route&#034;<\/span><span class=\"token punctuation\">,<\/span> r <span class=\"token operator\">-&gt;<\/span> r<span class=\"token punctuation\">.<\/span><span class=\"token function\">path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/user\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">filters<\/span><span class=\"token punctuation\">(<\/span>f <span class=\"token operator\">-&gt;<\/span> f<span class=\"token punctuation\">.<\/span><span class=\"token function\">stripPrefix<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">uri<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;lb:\/\/user-service&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u6bb5\u8981\u8bc1\u660e\u7684\u662f\u4e09\u6bb5\u5f0f\u600e\u4e48\u843d\u5230\u4ee3\u7801\u4e0a&#xff1a;path(&#8230;) \u662f\u65ad\u8a00&#xff0c;filters(&#8230;) \u662f\u8fc7\u6ee4\u5668&#xff0c;uri(&#8230;) \u662f\u76ee\u6807\u3002\u6ce8\u610f lb:\/\/ \u8fd9\u4e2a scheme&#xff0c;\u5b83\u4e0d\u662f\u771f\u5b9e\u534f\u8bae\u524d\u7f00&#xff0c;\u800c\u662f\u4ea4\u7ed9 ReactiveLoadBalancerClientFilter \u89e3\u6790\u6210\u5177\u4f53\u5b9e\u4f8b\u5730\u5740\u7684\u6807\u8bb0\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u548c Zuul \u6bd4&#xff0c;\u51ed\u4ec0\u4e48\u7528\u5b83&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u4e00\u53e5\u8bdd\u2014\u2014\u7ebf\u7a0b\u6a21\u578b\u4ece\u300c\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u300d\u6362\u6210\u4e86\u300c\u4e8b\u4ef6\u5faa\u73af\u300d\u3002<br \/>\nZuul 1.x \u57fa\u4e8e Servlet&#xff0c;\u4e00\u4e2a\u8bf7\u6c42\u5360\u4e00\u4e2a Tomcat \u7ebf\u7a0b&#xff0c;\u7b49\u4e0b\u6e38\u54cd\u5e94\u65f6\u7ebf\u7a0b\u662f\u963b\u585e\u7684&#xff0c;\u9ed8\u8ba4 200 \u4e2a\u7ebf\u7a0b\u5c31\u662f\u5b83\u7684\u5e76\u53d1\u5929\u82b1\u677f&#xff0c;\u60f3\u63d0\u5347\u53ea\u80fd\u52a0\u7ebf\u7a0b&#xff0c;\u800c\u7ebf\u7a0b\u6808\u4e0e\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u5f00\u9500\u7ebf\u6027\u589e\u957f\u3002Gateway \u57fa\u4e8e WebFlux &#043; Reactor Netty&#xff0c;\u4e00\u4e2a\u4e8b\u4ef6\u5faa\u73af\u7ebf\u7a0b\u80fd\u6302\u51e0\u5343\u4e2a\u8fde\u63a5&#xff0c;\u7b49\u5f85\u671f\u95f4\u7ebf\u7a0b\u88ab\u91ca\u653e\u53bb\u5904\u7406\u522b\u7684\u8bf7\u6c42&#xff0c;\u6240\u4ee5\u56fa\u5b9a\u51e0\u4e2a\u7ebf\u7a0b\u5c31\u80fd\u9876\u4f4f\u5f88\u9ad8\u7684\u5e76\u53d1\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u90a3\u54cd\u5e94\u5f0f\u6ca1\u6709\u4ee3\u4ef7&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u6709&#xff0c;\u800c\u4e14\u4e0d\u5c0f\u3002\u4e09\u70b9&#xff1a;<\/p>\n<li>\u5fc3\u667a\u8d1f\u62c5\u2014\u2014\u4e0d\u80fd\u5199\u963b\u585e\u8c03\u7528&#xff0c;\u4e00\u6b21 Thread.sleep \u6216\u4e00\u6b21 JDBC \u67e5\u8be2\u5c31\u80fd\u628a\u4e8b\u4ef6\u5faa\u73af\u7ebf\u7a0b\u5361\u6b7b&#xff0c;\u8fd9\u6761\u7ebf\u7a0b\u4e0a\u6240\u6709\u8bf7\u6c42\u4e00\u8d77\u5361\u3002<\/li>\n<li>\u8c03\u8bd5\u56f0\u96be\u2014\u2014\u5806\u6808\u91cc\u5168\u662f lambda&#xff0c;\u5f02\u5e38\u629b\u51fa\u4f4d\u7f6e\u548c\u4e1a\u52a1\u4ee3\u7801\u5bf9\u4e0d\u4e0a\u3002<\/li>\n<li>\u751f\u6001\u2014\u2014Servlet \u65f6\u4ee3\u7684\u5927\u91cf\u5e93&#xff08;\u963b\u585e\u5f0f ORM\u3001\u540c\u6b65 HTTP \u5ba2\u6237\u7aef&#xff09;\u4e0d\u80fd\u76f4\u63a5\u7528\u3002<\/li>\n<p>\u8fd9\u4e00\u95ee\u5f88\u591a\u4eba\u53ea\u7b54\u300c\u54cd\u5e94\u5f0f\u6027\u80fd\u597d\u300d\u800c\u4e0d\u63d0\u4ee3\u4ef7&#xff0c;\u53cd\u800c\u66b4\u9732\u6ca1\u4e0a\u8fc7\u751f\u4ea7\u2014\u2014\u4efb\u4f55\u6280\u672f\u9009\u578b\u90fd\u8be5\u80fd\u8bf4\u51fa\u5b83\u653e\u5f03\u4e86\u4ec0\u4e48\u3002<\/p>\n<h3>\u7b2c\u4e8c\u8f6e&#xff1a;\u5f80\u6df1\u4e86\u95ee<\/h3>\n<h4>\u8ffd\u95ee\u4e00&#xff1a;\u8fc7\u6ee4\u5668\u94fe\u7684\u987a\u5e8f\u662f\u600e\u4e48\u5b9a\u7684<\/h4>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u4f60\u8bf4\u5168\u5c40\u8fc7\u6ee4\u5668\u4e5f\u8fdb\u94fe&#xff0c;\u90a3 order \u5c0f\u7684\u5148\u6267\u884c\u8fd8\u662f\u540e\u6267\u884c&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;pre \u9636\u6bb5\u5c0f\u7684\u5148\u6267\u884c&#xff1b;post \u9636\u6bb5\u53cd\u8fc7\u6765&#xff0c;\u5927\u7684\u5148\u6267\u884c\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u4e3a\u4ec0\u4e48&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u56e0\u4e3a\u8fc7\u6ee4\u5668\u94fe\u662f\u300c\u6d0b\u8471\u300d\u800c\u4e0d\u662f\u961f\u5217\u3002\u6bcf\u4e2a\u8fc7\u6ee4\u5668\u7684\u540e\u7f6e\u903b\u8f91\u5199\u5728 chain.filter(exchange).then(&#8230;) \u91cc&#xff0c;\u610f\u601d\u662f\u300c\u7b49\u4e0b\u6e38\u5168\u90e8\u5904\u7406\u5b8c\u6211\u518d\u5e72\u6d3b\u300d\u3002\u94fe\u662f\u5d4c\u5957\u8c03\u7528\u7684&#xff0c;\u6700\u5916\u5c42\u7684\u5148\u8fdb\u3001\u6700\u540e\u51fa\u3002<\/p>\n<p>\u9677\u9631\u5728\u54ea&#xff1a;\u6700\u5e38\u89c1\u7684\u9519\u8bef\u7b54\u6848\u662f\u300corder \u5c0f\u7684\u5148\u6267\u884c\u3001\u540e\u7ed3\u675f\u300d&#xff0c;\u6f0f\u6389 post \u9636\u6bb5\u9006\u5e8f\u8fd9\u4e2a\u5173\u952e\u70b9\u3002\u8fd9\u4e2a\u9006\u5e8f\u6709\u771f\u5b9e\u5f71\u54cd\u2014\u2014\u5982\u679c\u4f60\u5728 order &#061; -100 \u7684\u9274\u6743\u8fc7\u6ee4\u5668\u91cc\u76f4\u63a5\u5f80\u54cd\u5e94\u5934\u5199\u7528\u6237\u4fe1\u606f&#xff0c;\u90a3\u6b21\u5199\u5165\u53d1\u751f\u5728\u54cd\u5e94\u5df2\u63d0\u4ea4\u4e4b\u540e&#xff0c;\u4f1a\u9759\u9ed8\u5931\u6548&#xff0c;\u65e5\u5fd7\u91cc\u8fde\u62a5\u9519\u90fd\u6ca1\u6709\u3002\u8981\u770b\u54cd\u5e94\u7ed3\u679c&#xff0c;\u903b\u8f91\u5fc5\u987b\u6302\u5728 order \u66f4\u5927\u7684\u8fc7\u6ee4\u5668\u91cc&#xff0c;\u6216\u8005\u7528 chain.filter(exchange).then(Mono.fromRunnable(&#8230;)) \u8865\u540e\u7f6e\u94a9\u5b50\u3002<\/p>\n<p>\u5185\u5efa\u987a\u5e8f\u53c2\u8003&#xff08;Spring Cloud Gateway 4.x&#xff09;&#xff1a;RemoveCachedBodyFilter \u662f\u6700\u9ad8\u4f18\u5148\u7ea7&#xff0c;NettyWriteResponseFilter \u662f -1&#xff0c;NettyRoutingFilter \u662f\u6700\u4f4e\u4f18\u5148\u7ea7\u3002\u4e5f\u5c31\u662f\u8f6c\u53d1\u6c38\u8fdc\u5728\u6700\u540e&#xff0c;\u5199\u54cd\u5e94\u7d27\u6328\u7740\u8f6c\u53d1\u4e4b\u540e\u3002<\/p>\n<p>\u628a\u4e0b\u9762\u8fd9\u6bb5\u6254\u8fdb\u4efb\u4e00 Gateway \u5de5\u7a0b&#xff0c;\u542f\u52a8\u540e\u8bbf\u95ee\u4efb\u610f\u8def\u7531&#xff0c;\u63a7\u5236\u53f0\u4f1a\u4f9d\u6b21\u6253\u5370 A pre \u2192 B pre \u2192 B post \u2192 A post&#xff0c;\u9006\u5e8f\u5f53\u573a\u53ef\u89c1&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ JDK 17 \/ Spring Cloud Gateway 4.x \/ \u4f9d\u8d56 Lombok&#xff1a;\u9a8c\u8bc1 pre \u6b63\u5e8f\u3001post \u9006\u5e8f<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">GlobalFilter<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Ordered<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> name<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">int<\/span> order<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> order<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>name <span class=\"token operator\">&#061;<\/span> name<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>order <span class=\"token operator\">&#061;<\/span> order<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Mono<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServerWebExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">GatewayFilterChain<\/span> chain<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;[{}] pre&#034;<\/span><span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">then<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Mono<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fromRunnable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;[{}] post&#034;<\/span><span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u540e\u7f6e\u903b\u8f91\u9006\u5e8f<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">getOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> order<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ProbeConfig<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span> <span class=\"token function\">filterA<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span> <span class=\"token function\">filterB<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">OrderProbeFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;B&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u8ffd\u95ee\u4e8c&#xff1a;\u8bf7\u6c42\u4f53\u4e3a\u4ec0\u4e48\u53ea\u80fd\u8bfb\u4e00\u6b21<\/h4>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u6211\u9700\u8981\u5728\u7f51\u5173\u505a\u63a5\u53e3\u7b7e\u540d\u6821\u9a8c&#xff0c;\u5f97\u8bfb\u8bf7\u6c42\u4f53&#xff0c;\u600e\u4e48\u505a&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u4e0d\u80fd\u76f4\u63a5\u8bfb\u3002ServerHttpRequest#getBody() \u8fd4\u56de\u7684\u662f Flux&lt;DataBuffer&gt;&#xff0c;\u4e00\u6761\u53ea\u80fd\u6d88\u8d39\u4e00\u6b21\u7684\u6570\u636e\u6d41&#xff0c;\u8bfb\u5b8c\u5c31\u7a7a\u4e86&#xff0c;\u4e0b\u6e38\u6536\u5230\u7684\u662f\u7a7a body\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u90a3\u600e\u4e48\u89e3\u51b3&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u8bfb\u5b8c\u5148\u7f13\u5b58\u6210\u5b57\u8282\u6570\u7ec4&#xff0c;\u7528 ServerHttpRequestDecorator \u628a getBody() \u91cd\u5199\u6210\u4ece\u7f13\u5b58\u91cc\u53cd\u590d\u4f9b\u7ed9\u7684 Flux&#xff0c;\u518d\u7528 exchange.mutate().request(&#8230;) \u585e\u56de\u94fe\u91cc\u3002<\/p>\n<p>\u9677\u9631\u5728\u54ea&#xff1a;\u4e24\u4e2a&#xff0c;\u90fd\u662f\u7ebf\u4e0a\u7ea7\u95ee\u9898\u3002<\/p>\n<p>\u7b2c\u4e00&#xff0c;DataBufferUtils.join \u4e4b\u540e\u5fc5\u987b\u663e\u5f0f release \u539f\u59cb buffer\u3002Netty \u7684 buffer \u662f\u6c60\u5316\u7684&#xff0c;\u4e0d\u91ca\u653e\u5c31\u4e0d\u5f52\u8fd8&#xff0c;\u8dd1\u4e0a\u4e00\u4e24\u5468\u4f1a\u770b\u5230 direct memory \u7f13\u6162\u4e0a\u6da8&#xff0c;\u6700\u540e OutOfDirectMemoryError \u2014\u2014 \u8fd9\u662f\u7f51\u5173\u6700\u5e38\u89c1\u7684\u5185\u5b58\u6545\u969c&#xff0c;\u800c\u4e14\u5806 dump \u91cc\u770b\u4e0d\u51fa\u6765&#xff08;\u5360\u7684\u662f\u5806\u5916&#xff09;\u3002<\/p>\n<p>\u7b2c\u4e8c&#xff0c;\u5927\u6587\u4ef6\u4e0a\u4f20\u4e0d\u80fd\u8fd9\u4e48\u5e72\u3002\u628a\u6574\u4e2a body \u8bfb\u8fdb\u5185\u5b58&#xff0c;\u4e00\u4e2a 500MB \u7684\u4e0a\u4f20\u5c31\u80fd\u628a\u7f51\u5173\u6253\u6302\u3002\u6b63\u786e\u505a\u6cd5\u662f\u6309 Content-Type \u548c Content-Length \u5224\u65ad&#xff0c;\u975e JSON \u6216\u8d85\u9608\u503c\u76f4\u63a5\u653e\u884c\u3002<\/p>\n<p><span class=\"token comment\">\/\/ JDK 17 \/ Spring Cloud Gateway 4.x&#xff1a;\u8bfb\u4e00\u6b21 body&#xff0c;\u7f13\u5b58\u540e\u91cd\u65b0\u4f9b\u7ed9\u4e0b\u6e38<\/span><br \/>\n<span class=\"token comment\">\/\/ \u8fd9\u6bb5\u7565\u957f&#xff08;\u7ea6 25 \u884c&#xff09;&#xff0c;\u56e0\u4e3a\u88c5\u9970\u5668\u5fc5\u987b\u5199\u5b8c\u6574\u624d\u80fd\u8dd1<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">BodyCacheFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">GlobalFilter<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Ordered<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Mono<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServerWebExchange<\/span> exchange<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">GatewayFilterChain<\/span> chain<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">MediaType<\/span> type <span class=\"token operator\">&#061;<\/span> exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeaders<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>type <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span><span class=\"token class-name\">MediaType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">APPLICATION_JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">isCompatibleWith<\/span><span class=\"token punctuation\">(<\/span>type<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                       <span class=\"token comment\">\/\/ \u8868\u5355\u3001\u6587\u4ef6\u6d41\u76f4\u63a5\u653e\u884c&#xff0c;\u907f\u514d\u6253\u7206\u5185\u5b58<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">DataBufferUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">flatMap<\/span><span class=\"token punctuation\">(<\/span>buffer <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> bytes <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span>buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">readableByteCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                buffer<span class=\"token punctuation\">.<\/span><span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>bytes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token class-name\">DataBufferUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">release<\/span><span class=\"token punctuation\">(<\/span>buffer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/\/ \u5173\u952e&#xff1a;\u5f52\u8fd8\u6c60\u5316\u7684\u5806\u5916\u5185\u5b58<\/span><br \/>\n                exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAttributes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cachedBody&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>bytes<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UTF_8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token class-name\">ServerHttpRequest<\/span> decorated <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ServerHttpRequestDecorator<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n                    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Flux<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">DataBuffer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>          <span class=\"token comment\">\/\/ \u4e0b\u6e38\u8bfb\u7684\u662f\u91cd\u65b0\u5305\u88c5\u7684 Flux<\/span><br \/>\n                        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Flux<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">defer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Mono<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">just<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                            exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bufferFactory<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">wrap<\/span><span class=\"token punctuation\">(<\/span>bytes<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">mutate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">request<\/span><span class=\"token punctuation\">(<\/span>decorated<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">switchIfEmpty<\/span><span class=\"token punctuation\">(<\/span>chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">filter<\/span><span class=\"token punctuation\">(<\/span>exchange<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/\/ \u7a7a body \u76f4\u63a5\u653e\u884c<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">getOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span>                       <span class=\"token comment\">\/\/ \u5fc5\u987b\u65e9\u4e8e\u8f6c\u53d1\u8fc7\u6ee4\u5668<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u8ffd\u95ee\u4e09&#xff1a;\u4e3a\u4ec0\u4e48\u7f51\u5173\u5de5\u7a0b\u91cc\u4e0d\u80fd\u6709 spring-boot-starter-web<\/h4>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u6709\u4e9b\u9879\u76ee\u7f51\u5173\u91cc\u540c\u65f6\u5f15\u4e86 web \u548c gateway&#xff0c;\u7167\u6837\u80fd\u542f\u52a8\u3002<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u80fd\u542f\u52a8&#xff0c;\u4f46\u8def\u7531\u4e0d\u751f\u6548\u3002spring-boot-starter-web \u4f1a\u628a web \u5e94\u7528\u7c7b\u578b\u63a8\u65ad\u6210 SERVLET&#xff0c;Boot \u8d77\u7684\u662f Tomcat&#xff1b;\u800c Gateway \u7684 RoutePredicateHandlerMapping \u662f WebFlux \u4f53\u7cfb\u7684 HandlerMapping&#xff0c;\u5728 Servlet \u5bb9\u5668\u91cc\u6839\u672c\u4e0d\u4f1a\u88ab\u8c03\u5ea6\u5230\u3002\u8868\u73b0\u5c31\u662f\u542f\u52a8\u65e5\u5fd7\u4e00\u5207\u6b63\u5e38&#xff0c;\u6240\u6709\u8bf7\u6c42 404\u3002<\/p>\n<p>\u9677\u9631\u5728\u54ea&#xff1a;\u5f88\u591a\u4eba\u4ee5\u4e3a Gateway \u68c0\u6d4b\u5230\u51b2\u7a81\u4f1a\u76f4\u63a5\u62a5\u9519\u9000\u51fa\u3002\u5b9e\u9645\u662f\u2014\u2014\u81ea\u52a8\u914d\u7f6e\u4f1a\u53d1\u73b0 classpath \u4e0a\u7684 DispatcherServlet \u5e76\u6253\u5370\u4e00\u6761 incompatible \u7684\u544a\u8b66&#xff0c;\u7136\u540e\u7ee7\u7eed\u542f\u52a8\u3002\u95ee\u9898\u8981\u5230\u8fd0\u884c\u671f\u624d\u66b4\u9732&#xff0c;\u800c\u4e14\u62a5\u7684\u662f 404&#xff0c;\u6781\u5bb9\u6613\u88ab\u8bef\u5224\u6210\u300c\u8def\u7531\u914d\u9519\u4e86\u300d&#xff0c;\u767d\u67e5\u4e24\u5c0f\u65f6\u3002<\/p>\n<p>\u6700\u5feb\u7684\u5224\u522b\u65b9\u6cd5&#xff1a;\u770b\u542f\u52a8\u65e5\u5fd7\u91cc\u662f Netty started on port 8080 \u8fd8\u662f Tomcat started on port 8080\u3002\u65e5\u5fd7\u8bf4 Tomcat&#xff0c;\u5c31\u5df2\u7ecf\u9519\u4e86\u3002<\/p>\n<p>\u6392\u67e5\u624b\u6cd5&#xff1a;mvn dependency:tree -Dincludes&#061;org.springframework:spring-webmvc&#xff0c;\u628a\u5185\u90e8 SDK \u4f20\u9012\u8fdb\u6765\u7684 web \u4f9d\u8d56\u4e00\u4e2a\u4e2a\u6392\u9664\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u8fd8\u6709\u522b\u7684\u5e38\u89c1\u5751\u5417&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u8de8\u57df\u3002\u7f51\u5173\u548c\u4e0b\u6e38\u90fd\u914d\u4e86 CORS&#xff0c;\u6d4f\u89c8\u5668\u4f1a\u6536\u5230\u4e24\u4e2a Access-Control-Allow-Origin&#xff0c;\u76f4\u63a5\u62a5\u300cheader contains multiple values\u300d\u3002\u89c4\u8303\u505a\u6cd5\u662f\u53ea\u5728\u7f51\u5173\u914d&#xff0c;\u4e0b\u6e38\u5168\u90e8\u5173\u6389\u3002<br \/>\n\u8fd8\u6709\u4e00\u4e2a\u8fde\u5e26\u95ee\u9898&#xff1a;\u7f51\u5173\u7684\u9274\u6743\u8fc7\u6ee4\u5668\u82e5\u5bf9\u6240\u6709\u8bf7\u6c42\u751f\u6548&#xff0c;\u6d4f\u89c8\u5668\u53d1\u7684 OPTIONS \u9884\u68c0\u8bf7\u6c42\u4e0d\u5e26 token&#xff0c;\u4f1a\u88ab\u76f4\u63a5 401&#xff0c;\u8de8\u57df\u5c31\u5f7b\u5e95\u4e0d\u901a\u4e86\u3002\u8981\u5728\u9274\u6743\u8fc7\u6ee4\u5668\u91cc\u653e\u884c OPTIONS&#xff0c;\u6216\u8005\u8ba9 CorsWebFilter \u6392\u5728\u9274\u6743\u4e4b\u524d\u3002<\/p>\n<h3>\u7b2c\u4e09\u8f6e&#xff1a;\u573a\u666f\u9898<\/h3>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u7ed9\u4e2a\u573a\u666f\u3002\u8ba2\u5355\u670d\u52a1\u8981\u505a\u7070\u5ea6\u53d1\u5e03&#xff0c;\u65b0\u7248\u672c\u53ea\u5bf9 10% \u7684\u5185\u90e8\u5458\u5de5\u5f00\u653e&#xff1b;\u540c\u65f6\u7f51\u5173\u8981\u505a\u7edf\u4e00\u9274\u6743\u548c\u6bcf\u79d2 500 \u6b21\u7684\u9650\u6d41\u3002\u600e\u4e48\u8bbe\u8ba1&#xff1f;<\/p>\n<p>\u5148\u81ea\u5df1\u60f3\u4e00\u60f3&#xff0c;\u518d\u5f80\u4e0b\u770b\u3002<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u4e09\u5757&#xff0c;\u90fd\u6302\u5728\u8fc7\u6ee4\u5668\u94fe\u4e0a&#xff0c;\u9760 order \u4e32\u8d77\u6765\u3002<\/p>\n<p>\u7b2c\u4e00\u5757&#xff0c;\u9274\u6743\u3002\u4e00\u4e2a order &#061; -200 \u7684 GlobalFilter&#xff1a;\u4ece Header \u53d6 token&#xff0c;\u6821\u9a8c\u901a\u8fc7\u540e\u628a userId\u3001\u89d2\u8272\u3001\u662f\u5426\u7070\u5ea6\u7528\u6237\u5199\u8fdb exchange.getAttributes()&#xff0c;\u4f9b\u540e\u7eed\u8fc7\u6ee4\u5668\u8bfb\u3002\u5931\u8d25\u5c31\u76f4\u63a5 response.setStatusCode(401) \u52a0 setComplete() \u8fd4\u56de&#xff0c;\u4e0d\u518d\u8c03 chain.filter()\u3002<\/p>\n<p>\u7b2c\u4e8c\u5757&#xff0c;\u7070\u5ea6\u3002\u4e24\u6761\u8def&#xff0c;\u5dee\u522b\u5f88\u5927&#xff1a;<\/p>\n<ul>\n<li>\u7b80\u5355\u505a\u6cd5&#xff1a;Weight \u65ad\u8a00&#xff0c;\u6309\u6743\u91cd\u628a\u6d41\u91cf\u5206\u522b\u6253\u5230\u4e24\u4e2a lb:\/\/ \u76ee\u6807\u3002\u8fd9\u662f\u7eaf\u968f\u673a\u5206\u6d41&#xff0c;\u505a\u4e0d\u5230\u300c\u53ea\u7ed9\u5185\u90e8\u5458\u5de5\u300d\u3002<\/li>\n<li>\u51c6\u786e\u505a\u6cd5&#xff1a;\u81ea\u5b9a\u4e49 ServiceInstanceListSupplier&#xff0c;\u5728\u8d1f\u8f7d\u5747\u8861\u9636\u6bb5\u6309 exchange \u91cc\u7684\u7070\u5ea6\u6807\u8bb0\u8fc7\u6ee4\u5b9e\u4f8b\u5217\u8868\u3002\u5b9e\u4f8b\u6807\u7b7e\u6765\u81ea\u6ce8\u518c\u4e2d\u5fc3&#xff08;Nacos \u7684 metadata\u3001K8s \u7684 label&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u7b2c\u4e09\u5757&#xff0c;\u9650\u6d41\u3002RequestRateLimiter \u8fc7\u6ee4\u5668 &#043; RedisRateLimiter&#xff08;Redis &#043; Lua \u5b9e\u73b0\u7684\u4ee4\u724c\u6876&#xff09;&#043; \u81ea\u5b9a\u4e49 KeyResolver&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ JDK 17 \/ Spring Cloud Gateway 4.x \/ \u4f9d\u8d56 spring-boot-starter-data-redis-reactive<\/span><br \/>\n<span class=\"token comment\">\/\/ \u9650\u6d41\u7ef4\u5ea6&#xff1a;\u5df2\u767b\u5f55\u6309 userId&#xff0c;\u672a\u767b\u5f55\u6309 IP<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RateLimitConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">KeyResolver<\/span> <span class=\"token function\">userOrIpKeyResolver<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> exchange <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> userId <span class=\"token operator\">&#061;<\/span> exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;userId&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token comment\">\/\/ \u7531\u9274\u6743\u8fc7\u6ee4\u5668\u5199\u5165<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>userId <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Mono<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">just<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;u:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> userId<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token class-name\">InetSocketAddress<\/span> addr <span class=\"token operator\">&#061;<\/span> exchange<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getRemoteAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> ip <span class=\"token operator\">&#061;<\/span> addr <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#034;unknown&#034;<\/span> <span class=\"token operator\">:<\/span> addr<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHostAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Mono<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">just<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ip:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\"># Spring Cloud Gateway 4.x&#xff1a;\u4ee4\u724c\u6876\u6309\u7528\u6237\u7ef4\u5ea6\u9650\u6d41<\/span><br \/>\n<span class=\"token key atrule\">spring<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">cloud<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">gateway<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">routes<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">id<\/span><span class=\"token punctuation\">:<\/span> order<span class=\"token punctuation\">&#8211;<\/span>route<br \/>\n          <span class=\"token key atrule\">uri<\/span><span class=\"token punctuation\">:<\/span> lb<span class=\"token punctuation\">:<\/span>\/\/order<span class=\"token punctuation\">&#8211;<\/span>service<br \/>\n          <span class=\"token key atrule\">predicates<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token punctuation\">&#8211;<\/span> Path&#061;\/api\/order\/<span class=\"token important\">**<\/span><br \/>\n          <span class=\"token key atrule\">filters<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token punctuation\">&#8211;<\/span> <span class=\"token key atrule\">name<\/span><span class=\"token punctuation\">:<\/span> RequestRateLimiter<br \/>\n              <span class=\"token key atrule\">args<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token key atrule\">key-resolver<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;#{&#064;userOrIpKeyResolver}&#034;<\/span><br \/>\n                <span class=\"token key atrule\">redis-rate-limiter.replenishRate<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">100<\/span>    <span class=\"token comment\"># \u6bcf\u79d2\u8865 100 \u4e2a\u4ee4\u724c &#061; \u7a33\u6001 QPS<\/span><br \/>\n                <span class=\"token key atrule\">redis-rate-limiter.burstCapacity<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span>    <span class=\"token comment\"># \u6876\u5bb9\u91cf &#061; \u5141\u8bb8\u7684\u77ac\u65f6\u7a81\u53d1<\/span><br \/>\n                <span class=\"token key atrule\">redis-rate-limiter.requestedTokens<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span>    <span class=\"token comment\"># \u6bcf\u4e2a\u8bf7\u6c42\u6263 1 \u4e2a<\/span><\/p>\n<p>\u8fd9\u6bb5\u8981\u8bc1\u660e\u7684\u662f\u9650\u6d41\u7684\u4e09\u4e2a\u65cb\u94ae\u5404\u7ba1\u4ec0\u4e48&#xff1a;KeyResolver \u51b3\u5b9a\u300c\u6309\u8c01\u7b97\u300d&#xff0c;replenishRate \u51b3\u5b9a\u7a33\u6001\u901f\u7387&#xff0c;burstCapacity \u51b3\u5b9a\u7a81\u53d1\u4e0a\u9650\u3002\u7b2c\u56db\u4e2a\u53c2\u6570 requestedTokens \u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u2014\u2014\u628a\u5b83\u8c03\u5927\u5c31\u80fd\u505a\u300c\u91cd\u63a5\u53e3\u591a\u6263\u4ee4\u724c\u300d\u7684\u52a0\u6743\u9650\u6d41&#xff0c;\u6bd4\u7ed9\u6bcf\u4e2a\u63a5\u53e3\u5355\u72ec\u914d\u8def\u7531\u7701\u4e8b\u3002<\/p>\n<p>\u9762\u8bd5\u5b98&#xff1a;\u9650\u6d41\u4e3a\u4ec0\u4e48\u7528 Redis&#xff0c;\u4e0d\u7528\u672c\u5730\u4ee4\u724c\u6876&#xff1f;<\/p>\n<p>\u5019\u9009\u4eba&#xff1a;\u56e0\u4e3a\u7f51\u5173\u662f\u591a\u5b9e\u4f8b\u3002\u672c\u5730\u6876\u5404\u7b97\u5404\u7684&#xff0c;3 \u4e2a\u5b9e\u4f8b\u914d 500 QPS&#xff0c;\u5b9e\u9645\u4f1a\u653e\u8fc7 1500\u3002Redis &#043; Lua \u4fdd\u8bc1\u591a\u5b9e\u4f8b\u5171\u4eab\u540c\u4e00\u4e2a\u6876&#xff0c;\u4e14\u300c\u8bfb &#8211; \u5224\u65ad &#8211; \u6263\u51cf\u300d\u4e09\u6b65\u539f\u5b50\u3002\u4ee3\u4ef7\u662f\u6bcf\u6b21\u5224\u5b9a\u591a\u4e00\u6b21\u7f51\u7edc\u5f80\u8fd4&#xff08;\u540c\u673a\u623f\u901a\u5e38\u4e9a\u6beb\u79d2&#xff09;&#xff0c;Redis \u6302\u4e86\u9650\u6d41\u76f4\u63a5\u5931\u6548\u2014\u2014\u6240\u4ee5\u8981\u4e48\u505a\u672c\u5730\u6876\u964d\u7ea7\u515c\u5e95&#xff0c;\u8981\u4e48\u63a5\u53d7\u77ed\u65f6\u95f4\u653e\u884c\u3002<\/p>\n<p>\u5b83\u548c\u7f51\u5173\u7684\u5173\u7cfb&#xff1a;\u9650\u6d41\u662f\u300c\u56e0\u4e3a\u7f51\u5173\u662f\u552f\u4e00\u5165\u53e3\u300d\u624d\u6210\u7acb\u7684\u80fd\u529b\u3002\u5728\u670d\u52a1\u5185\u90e8\u505a\u9650\u6d41&#xff0c;\u6c38\u8fdc\u53ea\u80fd\u770b\u5230\u81ea\u5df1\u90a3\u4e00\u4efd\u6d41\u91cf&#xff0c;\u770b\u4e0d\u89c1\u5168\u5c40\u9762\u3002<\/p>\n<h3>\u9762\u8bd5\u5b98\u89c6\u89d2&#xff1a;\u8fd9\u9898\u5230\u5e95\u5728\u8003\u4ec0\u4e48<\/h3>\n<p>\u4e00\u8def\u8ffd\u95ee\u4e0b\u6765&#xff0c;\u5176\u5b9e\u5728\u6d4b\u56db\u4e2a\u5c42\u6b21&#xff1a;<\/p>\n<table>\n<tr>\u5c42\u6b21\u8003\u5bdf\u70b9\u7b54\u4e0d\u4e0a\u6765\u7684\u5178\u578b\u8868\u73b0<\/tr>\n<tbody>\n<tr>\n<td>\u6982\u5ff5\u5c42<\/td>\n<td>Route \/ Predicate \/ Filter\u3001\u5185\u7f6e\u65ad\u8a00\u4e0e\u8fc7\u6ee4\u5668<\/td>\n<td>\u53ea\u4f1a\u80cc\u4e09\u4e2a\u8bcd&#xff0c;\u8bf4\u4e0d\u6e05 lb:\/\/ \u662f\u4ec0\u4e48<\/td>\n<\/tr>\n<tr>\n<td>\u539f\u7406\u5c42<\/td>\n<td>\u4e8b\u4ef6\u5faa\u73af\u3001\u8fc7\u6ee4\u5668\u6d0b\u8471\u6a21\u578b\u3001DataBuffer \u751f\u547d\u5468\u671f<\/td>\n<td>\u8ba4\u4e3a order \u53ea\u662f\u300c\u8c01\u5148\u6267\u884c\u300d<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u7a0b\u5c42<\/td>\n<td>\u4f9d\u8d56\u51b2\u7a81\u3001CORS\u3001\u8bf7\u6c42\u4f53\u7f13\u5b58\u3001\u8d85\u65f6\u914d\u7f6e<\/td>\n<td>\u6ca1\u5728\u7f51\u5173\u91cc\u8bfb\u8fc7 body<\/td>\n<\/tr>\n<tr>\n<td>\u67b6\u6784\u5c42<\/td>\n<td>\u7070\u5ea6\u3001\u9650\u6d41\u3001\u7194\u65ad\u3001\u9274\u6743\u7684\u843d\u70b9\u9009\u62e9<\/td>\n<td>\u628a\u7f51\u5173\u5f53\u6210\u300c\u5c31\u662f\u4e2a\u8f6c\u53d1\u5668\u300d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b83\u548c Reactor \u7684\u5173\u7cfb&#xff1a;Reactor \u662f\u7406\u89e3 Gateway \u7684\u5730\u57fa\u2014\u2014\u4e0d\u628a Mono \/ Flux \u7406\u89e3\u6210\u300c\u6570\u636e\u6d41 &#043; \u8ba2\u9605\u56de\u8c03\u300d\u800c\u5f53\u6210\u300c\u5f02\u6b65\u7684 List\u300d&#xff0c;\u4f60\u5c31\u5199\u4e0d\u51fa\u6b63\u786e\u7684\u8fc7\u6ee4\u5668&#xff0c;\u53ea\u4f1a\u5f80\u91cc\u585e block() \u628a\u4e8b\u4ef6\u5faa\u73af\u5361\u6b7b\u3002<\/p>\n<p>\u5b83\u548c Spring WebFlux \u7684\u5173\u7cfb&#xff1a;WebFlux \u63d0\u4f9b\u7f16\u7a0b\u6a21\u578b\u548c\u4e0d\u963b\u585e\u7684\u8fd0\u884c\u65f6&#xff0c;Gateway \u662f\u5efa\u7acb\u5728\u8fd9\u5957\u6a21\u578b\u4e4b\u4e0a\u7684\u4e00\u4e2a\u5e94\u7528&#xff0c;\u4e0d\u662f\u5e76\u5217\u5173\u7cfb\u3002<\/p>\n<p>\u5b83\u548c\u670d\u52a1\u53d1\u73b0 &#043; LoadBalancer \u7684\u5173\u7cfb&#xff1a;\u8fd9\u662f\u300c\u6309\u670d\u52a1\u540d\u8f6c\u53d1\u300d\u7684\u524d\u63d0\u3002lb:\/\/order-service \u91cc\u7684 order-service \u4e0d\u662f\u57df\u540d&#xff0c;\u800c\u662f\u4e00\u4e2a\u8981\u53bb\u6ce8\u518c\u4e2d\u5fc3\u67e5\u5b9e\u4f8b\u5217\u8868\u7684\u6807\u8bb0&#xff0c;\u771f\u6b63\u7684\u5730\u5740\u7531 ReactiveLoadBalancerClientFilter \u5728\u8fd0\u884c\u65f6\u586b\u8fdb\u53bb\u3002<\/p>\n<p>\u5b83\u548c Redis \u9650\u6d41\u7684\u5173\u7cfb&#xff1a;\u8fd9\u662f\u7f51\u5173\u9650\u6d41\u80fd\u8de8\u5b9e\u4f8b\u751f\u6548\u7684\u57fa\u7840&#xff0c;\u672c\u5730\u4ee4\u724c\u6876\u5728\u96c6\u7fa4\u4e0b\u5fc5\u7136\u5931\u771f\u3002<\/p>\n<p>\u5b83\u548c Resilience4j \u7684\u5173\u7cfb&#xff1a;\u8fd9\u662f\u300c\u4e0b\u6e38\u6302\u4e86\u522b\u628a\u7f51\u5173\u4e00\u8d77\u62d6\u6b7b\u300d\u7684\u624b\u6bb5&#xff0c;\u548c\u9650\u6d41\u662f\u4e00\u5bf9\u2014\u2014\u9650\u6d41\u4fdd\u62a4\u81ea\u5df1\u4e0d\u88ab\u538b\u57ae&#xff0c;\u7194\u65ad\u4fdd\u62a4\u81ea\u5df1\u4e0d\u88ab\u62d6\u6b7b\u3002<\/p>\n<p>\u5b83\u548c Zuul 1.x \u7684\u5173\u7cfb&#xff1a;\u540c\u4e00\u9053\u9898\u7684\u4e24\u79cd\u89e3\u6cd5&#xff0c;\u5dee\u522b\u5728\u7ebf\u7a0b\u6a21\u578b&#xff1b;\u9009\u578b\u770b\u5b58\u91cf\u7cfb\u7edf\u662f Servlet \u8fd8\u662f\u54cd\u5e94\u5f0f\u3002<\/p>\n<p>\u77e5\u8bc6\u5730\u56fe\u6309\u5173\u7cfb\u7c7b\u578b\u644a\u5f00&#xff1a;<\/p>\n<p>#mermaid-svg-aLkf4PXgH98d34Sg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-aLkf4PXgH98d34Sg .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear infinite;stroke-linecap:round;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-animation-fast{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 20s linear infinite;stroke-linecap:round;}#mermaid-svg-aLkf4PXgH98d34Sg .error-icon{fill:#552222;}#mermaid-svg-aLkf4PXgH98d34Sg .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-thickness-normal{stroke-width:1px;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-thickness-invisible{stroke-width:0;fill:none;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-aLkf4PXgH98d34Sg .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-aLkf4PXgH98d34Sg .marker{fill:#333333;stroke:#333333;}#mermaid-svg-aLkf4PXgH98d34Sg .marker.cross{stroke:#333333;}#mermaid-svg-aLkf4PXgH98d34Sg svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-aLkf4PXgH98d34Sg p{margin:0;}#mermaid-svg-aLkf4PXgH98d34Sg .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-aLkf4PXgH98d34Sg .cluster-label text{fill:#333;}#mermaid-svg-aLkf4PXgH98d34Sg .cluster-label span{color:#333;}#mermaid-svg-aLkf4PXgH98d34Sg .cluster-label span p{background-color:transparent;}#mermaid-svg-aLkf4PXgH98d34Sg .label text,#mermaid-svg-aLkf4PXgH98d34Sg span{fill:#333;color:#333;}#mermaid-svg-aLkf4PXgH98d34Sg .node rect,#mermaid-svg-aLkf4PXgH98d34Sg .node circle,#mermaid-svg-aLkf4PXgH98d34Sg .node ellipse,#mermaid-svg-aLkf4PXgH98d34Sg .node polygon,#mermaid-svg-aLkf4PXgH98d34Sg .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-aLkf4PXgH98d34Sg .rough-node .label text,#mermaid-svg-aLkf4PXgH98d34Sg .node .label text,#mermaid-svg-aLkf4PXgH98d34Sg .image-shape .label,#mermaid-svg-aLkf4PXgH98d34Sg .icon-shape .label{text-anchor:middle;}#mermaid-svg-aLkf4PXgH98d34Sg .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-aLkf4PXgH98d34Sg .rough-node .label,#mermaid-svg-aLkf4PXgH98d34Sg .node .label,#mermaid-svg-aLkf4PXgH98d34Sg .image-shape .label,#mermaid-svg-aLkf4PXgH98d34Sg .icon-shape .label{text-align:center;}#mermaid-svg-aLkf4PXgH98d34Sg .node.clickable{cursor:pointer;}#mermaid-svg-aLkf4PXgH98d34Sg .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-aLkf4PXgH98d34Sg .arrowheadPath{fill:#333333;}#mermaid-svg-aLkf4PXgH98d34Sg .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-aLkf4PXgH98d34Sg .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-aLkf4PXgH98d34Sg .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-aLkf4PXgH98d34Sg .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-aLkf4PXgH98d34Sg .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-aLkf4PXgH98d34Sg .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-aLkf4PXgH98d34Sg .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-aLkf4PXgH98d34Sg .cluster text{fill:#333;}#mermaid-svg-aLkf4PXgH98d34Sg .cluster span{color:#333;}#mermaid-svg-aLkf4PXgH98d34Sg div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-aLkf4PXgH98d34Sg .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-aLkf4PXgH98d34Sg rect.text{fill:none;stroke-width:0;}#mermaid-svg-aLkf4PXgH98d34Sg .icon-shape,#mermaid-svg-aLkf4PXgH98d34Sg .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-aLkf4PXgH98d34Sg .icon-shape p,#mermaid-svg-aLkf4PXgH98d34Sg .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-aLkf4PXgH98d34Sg .icon-shape .label rect,#mermaid-svg-aLkf4PXgH98d34Sg .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-aLkf4PXgH98d34Sg .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-aLkf4PXgH98d34Sg .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-aLkf4PXgH98d34Sg :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span class=\"edgeLabel\"><\/p>\n<p>\u524d\u7f6e<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u524d\u7f6e<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u8fd0\u884c\u65f6<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u6838\u5fc3\u7ec4\u6210<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u6392\u5e8f\u673a\u5236<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u7ec4\u5408<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u7ec4\u5408<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u56e0\u679c<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5bf9\u6bd4<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u6df1\u5751<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Spring Cloud Gateway<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Reactor: Mono \/ Flux<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Spring WebFlux<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Reactor Netty \u4e8b\u4ef6\u5faa\u73af<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Route \/ Predicate \/ Filter<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Ordered \u4e0e\u6d0b\u8471\u6a21\u578b<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u670d\u52a1\u53d1\u73b0 &#043; Spring Cloud LoadBalancer<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Redis \u9650\u6d41 \/ Resilience4j \u7194\u65ad<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u6a2a\u5207\u903b\u8f91\u4e0b\u6c89&#xff1a;\u9274\u6743\u3001\u7070\u5ea6\u3001\u65e5\u5fd7<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>Zuul 1.x \/ Nginx \/ APISIX \/ Higress<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>DataBuffer \u53ea\u80fd\u6d88\u8d39\u4e00\u6b21<\/p>\n<p><\/span><\/p>\n<h3>\u7b54\u4e0d\u4e0a\u6765\u600e\u4e48\u529e&#xff1a;\u524d\u7f6e\u77e5\u8bc6\u8865\u8bfe<\/h3>\n<li>\n<p>Mono \/ Flux&#xff1a;Mono \u662f 0 \u6216 1 \u4e2a\u5143\u7d20\u7684\u5f02\u6b65\u5e8f\u5217&#xff0c;Flux \u662f 0 \u5230 N \u4e2a\u3002\u6700\u5927\u7684\u8ba4\u77e5\u574e\u4e0d\u662f\u300c\u5f02\u6b65\u300d&#xff0c;\u662f\u61d2\u6267\u884c\u2014\u2014\u4e0d subscribe() \u4ec0\u4e48\u90fd\u4e0d\u53d1\u751f\u3002<\/p>\n<ul>\n<li>\u7c7b\u6bd4&#xff1a;Flux \u50cf\u6c34\u7ba1&#xff0c;subscribe() \u624d\u662f\u62e7\u5f00\u6c34\u9f99\u5934&#xff0c;\u4e0d\u62e7\u5c31\u6ca1\u6709\u6c34\u6d41\u3002<\/li>\n<li>\u5c40\u9650&#xff1a;\u6c34\u7ba1\u89e3\u91ca\u4e0d\u4e86\u80cc\u538b\u2014\u2014Flux \u80fd\u611f\u77e5\u4e0b\u6e38\u6d88\u8d39\u901f\u5ea6\u5e76\u53cd\u538b\u4e0a\u6e38&#xff0c;\u6c34\u7ba1\u4e0d\u4f1a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4e8b\u4ef6\u5faa\u73af&#xff08;Event Loop&#xff09;&#xff1a;\u5c11\u91cf\u7ebf\u7a0b\u8f6e\u8be2 IO \u4e8b\u4ef6&#xff0c;\u8c01\u5c31\u7eea\u5c31\u5904\u7406\u8c01\u3002<\/p>\n<ul>\n<li>\u7c7b\u6bd4&#xff1a;\u4e00\u4e2a\u670d\u52a1\u5458\u540c\u65f6\u7167\u770b\u5341\u684c&#xff0c;\u8c01\u4e3e\u624b\u5c31\u53bb\u8c01\u90a3\u513f&#xff0c;\u4e0d\u5b88\u5728\u67d0\u4e00\u684c\u65c1\u8fb9\u7b49\u51fa\u83dc\u3002<\/li>\n<li>\u5c40\u9650&#xff1a;\u73b0\u5b9e\u91cc\u670d\u52a1\u5458\u80fd\u540c\u65f6\u7167\u770b\u7684\u684c\u6570\u6709\u4e0a\u9650&#xff1b;\u4e8b\u4ef6\u5faa\u73af\u7ebf\u7a0b\u4e00\u65e6\u88ab\u963b\u585e\u8c03\u7528\u5360\u4f4f&#xff0c;\u6574\u4e2a\u5faa\u73af\u505c\u6446\u2014\u2014\u8fd9\u6b63\u662f\u300c\u7f51\u5173\u91cc\u7981\u6b62 block()\u300d\u7684\u7531\u6765\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>Ordered \u63a5\u53e3&#xff1a;Spring \u7684\u901a\u7528\u6392\u5e8f\u5951\u7ea6&#xff0c;\u503c\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u5b83\u5728 Gateway \u91cc\u7684\u7279\u6b8a\u6027\u662f\u2014\u2014\u53ea\u51b3\u5b9a\u5d4c\u5957\u5c42\u7ea7&#xff0c;\u4e0d\u51b3\u5b9a\u5168\u90e8\u6267\u884c\u65f6\u95f4\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p>ServerHttpRequestDecorator&#xff1a;\u88c5\u9970\u5668\u6a21\u5f0f&#xff0c;\u53ea\u8986\u76d6 getBody() \u4e00\u4e2a\u65b9\u6cd5\u5c31\u80fd\u66ff\u6362\u8bf7\u6c42\u4f53&#xff0c;\u4e0d\u5fc5\u5b9e\u73b0\u6574\u4e2a\u63a5\u53e3\u3002<\/p>\n<\/li>\n<h3>\u52a0\u5206\u9879&#xff1a;\u6362\u4e00\u95e8\u6808\u770b\u540c\u4e00\u4e2a\u95ee\u9898<\/h3>\n<p>\u7f51\u5173\u8fd9\u4e2a\u4f4d\u7f6e&#xff0c;\u51e0\u4e4e\u6bcf\u79cd\u6280\u672f\u6808\u90fd\u6709\u81ea\u5df1\u7684\u7b54\u6848\u3002\u6a2a\u5411\u6446\u5f00\u80fd\u8bf4\u660e\u767d\u300c\u9009\u578b\u4ece\u6765\u4e0d\u662f\u6027\u80fd\u5355\u7ef4\u5ea6\u300d&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u6848\u8fd0\u884c\u65f6\u6269\u5c55\u65b9\u5f0f\u5355\u673a\u8fde\u63a5\u91cf\u7ea7&#xff08;\u53c2\u8003&#xff09;\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>Spring Cloud Gateway 4.x<\/td>\n<td>JVM &#043; Reactor Netty<\/td>\n<td>Java \u5199 GlobalFilter<\/td>\n<td>\u4e07\u7ea7<\/td>\n<td>Java \u6808\u3001\u9700\u4e0e\u4e1a\u52a1\u5171\u4eab\u6a21\u578b\u4e0e SDK<\/td>\n<\/tr>\n<tr>\n<td>Zuul 1.x<\/td>\n<td>JVM &#043; Servlet<\/td>\n<td>Java \u5199 ZuulFilter<\/td>\n<td>\u5343\u7ea7&#xff08;\u53d7\u7ebf\u7a0b\u6570\u9650\u5236&#xff09;<\/td>\n<td>\u5b58\u91cf\u7cfb\u7edf\u3001\u8fc1\u79fb\u6210\u672c\u654f\u611f<\/td>\n<\/tr>\n<tr>\n<td>Nginx \/ OpenResty<\/td>\n<td>C &#043; Lua<\/td>\n<td>Lua \u811a\u672c<\/td>\n<td>\u5341\u4e07\u7ea7<\/td>\n<td>\u7eaf\u8f6c\u53d1\u3001\u9759\u6001\u8d44\u6e90\u3001\u6781\u9ad8\u6027\u80fd\u8981\u6c42<\/td>\n<\/tr>\n<tr>\n<td>APISIX<\/td>\n<td>OpenResty &#043; etcd<\/td>\n<td>Lua \u63d2\u4ef6<\/td>\n<td>\u5341\u4e07\u7ea7<\/td>\n<td>\u9700\u8981\u6210\u719f\u63d2\u4ef6\u751f\u6001\u4e0e\u52a8\u6001\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>Higress \/ Envoy<\/td>\n<td>C&#043;&#043;<\/td>\n<td>WASM \/ \u914d\u7f6e<\/td>\n<td>\u5341\u4e07\u7ea7<\/td>\n<td>\u4e91\u539f\u751f\u3001Mesh \u6570\u636e\u9762\u7edf\u4e00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u771f\u6b63\u7684\u5dee\u5f02\u4e0d\u5728\u6570\u5b57&#xff0c;\u5728\u6269\u5c55\u6210\u672c&#xff1a;Java \u7a0b\u5e8f\u5458\u5199\u4e00\u4e2a GlobalFilter \u662f\u5341\u5206\u949f\u7684\u4e8b&#xff1b;\u5199 Nginx \u6a21\u5757\u8981\u91cd\u7f16\u8bd1&#xff0c;\u5199 Lua \u63d2\u4ef6\u8981\u53e6\u5b66\u4e00\u5957\u751f\u6001\u3002\u53cd\u8fc7\u6765&#xff0c;C&#043;&#043; \/ Lua \u65b9\u6848\u7684\u5185\u5b58\u5360\u7528\u548c\u8fde\u63a5\u5bc6\u5ea6&#xff0c;JVM \u65b9\u6848\u77ed\u671f\u5185\u8ffd\u4e0d\u4e0a\u3002<\/p>\n<p>\u6240\u4ee5\u4e0d\u5c11\u56e2\u961f\u6700\u7ec8\u9009\u4e24\u5c42\u7f51\u5173&#xff1a;\u8fb9\u7f18\u5c42\u7528 Nginx \u6216 Envoy \u505a TLS \u5378\u8f7d\u548c\u56db\u5c42\u8f6c\u53d1&#xff0c;\u5e94\u7528\u7f51\u5173\u5c42\u7528 Spring Cloud Gateway \u505a\u4e1a\u52a1\u76f8\u5173\u7684\u9274\u6743\u4e0e\u7070\u5ea6\u2014\u2014\u5404\u5e72\u5404\u64c5\u957f\u7684\u3002<\/p>\n<p>\u4e0a\u8868\u7684\u8fde\u63a5\u91cf\u7ea7\u662f\u91cf\u7ea7\u53c2\u8003&#xff0c;\u53d6\u51b3\u4e8e\u673a\u5668\u89c4\u683c\u3001\u8bf7\u6c42\u7279\u5f81\u4e0e\u5185\u6838\u53c2\u6570&#xff0c;\u4e0d\u80fd\u5f53\u57fa\u51c6\u6d4b\u8bd5\u7ed3\u8bba\u7528\u3002<\/p>\n<h3>\u5bf9\u6bd4\u901f\u67e5\u8868<\/h3>\n<table>\n<tr>\u7ef4\u5ea6Spring Cloud GatewayZuul 1.x<\/tr>\n<tbody>\n<tr>\n<td>\u7f16\u7a0b\u6a21\u578b<\/td>\n<td>\u54cd\u5e94\u5f0f&#xff08;WebFlux&#xff09;<\/td>\n<td>\u963b\u585e&#xff08;Servlet&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u8fd0\u884c\u65f6<\/td>\n<td>Reactor Netty<\/td>\n<td>Tomcat \/ Jetty<\/td>\n<\/tr>\n<tr>\n<td>\u8fc7\u6ee4\u5668\u62bd\u8c61<\/td>\n<td>GlobalFilter &#043; GatewayFilter<\/td>\n<td>ZuulFilter&#xff08;pre \/ route \/ post \/ error&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u52a8\u6001\u8def\u7531<\/td>\n<td>RouteDefinitionRepository &#043; RefreshRoutesEvent<\/td>\n<td>\u9700\u81ea\u884c\u6269\u5c55<\/td>\n<\/tr>\n<tr>\n<td>\u9650\u6d41<\/td>\n<td>\u5185\u7f6e RequestRateLimiter&#xff08;Redis \u4ee4\u724c\u6876&#xff09;<\/td>\n<td>\u9700\u81ea\u884c\u5b9e\u73b0\u6216\u4f9d\u8d56\u7b2c\u4e09\u65b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6536\u5c3e&#xff1a;\u4e00\u53e5\u8bdd\u7b54\u6848\u6a21\u677f<\/h3>\n<p>\u53ea\u6709 30 \u79d2\u65f6&#xff0c;\u8fd9\u4e48\u7b54&#xff1a;<\/p>\n<p>Spring Cloud Gateway \u662f Spring \u5b98\u65b9\u7684\u7b2c\u4e8c\u4ee3 API \u7f51\u5173&#xff0c;\u57fa\u4e8e WebFlux &#043; Reactor Netty&#xff0c;\u7528 Route\u3001Predicate\u3001Filter \u4e09\u6bb5\u5f0f\u6a21\u578b&#xff0c;\u628a\u9274\u6743\u3001\u9650\u6d41\u3001\u7070\u5ea6\u8fd9\u4e9b\u6a2a\u5207\u903b\u8f91\u4ece\u4e1a\u52a1\u670d\u52a1\u6536\u655b\u5230\u6d41\u91cf\u5165\u53e3\u7edf\u4e00\u5904\u7406\u3002\u76f8\u5bf9 Zuul 1.x \u7684\u6838\u5fc3\u4f18\u52bf\u662f\u7ebf\u7a0b\u6a21\u578b\u4ece\u300c\u4e00\u8bf7\u6c42\u4e00\u7ebf\u7a0b\u300d\u6362\u6210\u4e8b\u4ef6\u5faa\u73af&#xff0c;\u5c11\u91cf\u7ebf\u7a0b\u5c31\u80fd\u7ef4\u6301\u4e0a\u4e07\u8fde\u63a5&#xff1b;\u4ee3\u4ef7\u662f\u4e0d\u80fd\u5199\u963b\u585e\u4ee3\u7801\u3001\u8c03\u8bd5\u66f4\u9ebb\u70e6\u3002\u843d\u5730\u8981\u76ef\u4e09\u4ef6\u4e8b&#xff1a;\u5de5\u7a0b\u91cc\u4e0d\u80fd\u6709 spring-boot-starter-web\u3001\u8fc7\u6ee4\u5668 order \u5728 post \u9636\u6bb5\u662f\u9006\u5e8f\u3001\u8bfb\u8bf7\u6c42\u4f53\u5fc5\u987b\u7f13\u5b58\u5e76\u663e\u5f0f\u91ca\u653e DataBuffer\u3002<\/p>\n<p>\u4e09\u6761\u7ed3\u8bba&#xff1a;<\/p>\n<li>\u7f51\u5173\u7684\u4ef7\u503c\u4e0d\u5728\u300c\u8f6c\u53d1\u300d&#xff0c;\u5728\u300c\u628a\u6a2a\u5207\u903b\u8f91\u4ece N \u4e2a\u670d\u52a1\u6536\u655b\u5230 1 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