{"id":10021011,"date":"2025-09-24T05:39:58","date_gmt":"2025-09-23T21:39:58","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021011"},"modified":"2025-09-24T05:39:58","modified_gmt":"2025-09-23T21:39:58","slug":"%e4%b8%8a%e7%ba%bf%e5%88%ab%e5%86%8d%e4%b8%80%e5%88%80%e5%88%87%ef%bc%81gateway-%e5%81%9a%e6%b5%81%e9%87%8f%e6%9f%93%e8%89%b2-%e7%81%b0%e5%ba%a6%e5%8f%91%e5%b8%83%ef%bc%8c%e5%91%8a","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021011","title":{"rendered":"\u4e0a\u7ebf\u522b\u518d\u201c\u4e00\u5200\u5207\u201d\uff01Gateway \u505a\u6d41\u91cf\u67d3\u8272 + \u7070\u5ea6\u53d1\u5e03\uff0c\u544a\u522b\u7ebf\u4e0a\u4e8b\u6545"},"content":{"rendered":"

\u5927\u5bb6\u597d\uff0c\u6211\u662f\u5c0f\u5bcc\uff5e<\/strong><\/p>\n

\u6700\u8fd1\u56e2\u961f\u8fed\u4ee3\u9891\u7e41\uff0c\u8fde\u7eed\u51e0\u5468\u90fd\u5728\u505a\u65b0\u529f\u80fd\u4e0a\u7ebf\uff0c\u4ece\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\u5230\u751f\u4ea7\u73af\u5883\u653e\u91cf\uff0c\u5168\u7a0b\u8c28\u5c0f\u614e\u5fae\u6ca1\u51fa\u4e00\u6b21\u6545\u969c\uff0c\u4e3b\u8981\u662f\u7528\u597d\u4e86 Spring Cloud Gateway \u7684 \u6d41\u91cf\u67d3\u8272<\/strong> \u548c \u7070\u5ea6\u53d1\u5e03<\/strong>\u3002<\/p>\n

\u5f88\u591a\u540c\u5b66\u9762\u8bd5\u65f6\u88ab\u95ee\u7528\u8fc7 SpringCloud Gateway \u5417\uff1f<\/code>\uff0c\u53ea\u4f1a\u8bf4\u505a\u9650\u6d41<\/code>\u3001\u9274\u6743<\/code>\uff0c\u4f46\u8fd9\u4e9b\u90fd\u662f\u7f51\u5173\u7684\u57fa\u7840\u64cd\u4f5c\u3002\u8981\u60f3\u51fa\u53bb\u5439\uff0c\u5f97\u8bf4\u7528\u7f51\u5173\u89e3\u51b3\u7ebf\u4e0a\u65b0\u7248\u672c\u5e73\u7a33\u4e0a\u7ebf<\/code>\u7684\u95ee\u9898\u3002\u6bd4\u5982\u4eca\u5929\u8981\u5206\u4eab\u7684\u6d41\u91cf\u67d3\u8272 + \u7070\u5ea6\u53d1\u5e03\uff0c\u5c31\u662f\u6211\u53f8\u6bcf\u6b21\u4e0a\u7ebf\u5fc5\u7528\u7684\u6838\u5fc3\u65b9\u6848\u3002<\/p>\n

\u4ec0\u4e48\u662f\u6d41\u91cf\u67d3\u8272\uff1f\u4e3a\u4ec0\u4e48\u9700\u8981\u5b83\uff1f<\/h2>\n

\u5f88\u591a\u540c\u5b66\u542c\u6d41\u91cf\u67d3\u8272<\/code>\u89c9\u5f97\u62bd\u8c61\uff0c\u5176\u5b9e\u4e00\u53e5\u8bdd\u5c31\u80fd\u8bf4\u900f\uff1a\u7ed9\u8bf7\u6c42\u6253\u8eab\u4efd\u6807\u7b7e\uff0c\u8ba9\u94fe\u8def\u4e2d\u6240\u6709\u670d\u52a1\u90fd\u80fd\u8ba4\u5f97\u51fa\u5b83<\/strong>\u3002<\/p>\n

\u6bd4\u5982\u6211\u4eec\u505a\u7535\u5546 APP \u7684\u65b0\u529f\u80fd\u4e0a\u7ebf\uff0c\u60f3\u8ba9 VIP \u7528\u6237\u4f18\u5148\u8bd5\u7528\u65b0\u7248\u672c\uff0c\u4f46\u666e\u901a\u7528\u6237\u7ee7\u7eed\u7528\u65e7\u7248\u672c\u3002\u600e\u4e48\u8ba9\u8ba2\u5355\u3001\u652f\u4ed8\u3001\u5e93\u5b58\u8fd9\u4e9b\u4e0b\u6e38\u670d\u52a1\u77e5\u9053\u5f53\u524d\u8bf7\u6c42\u662f VIP \u7528\u6237\u7684\uff1f<\/p>\n

\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u67d3\u8272<\/code>\uff1a\u8bf7\u6c42\u8fdb\u5165\u7f51\u5173\u65f6\uff0c\u5224\u65ad\u7528\u6237\u8eab\u4efd\u662f VIP\uff0c\u5c31\u5728\u8bf7\u6c42\u5934\u91cc\u52a0\u4e00\u4e2a X-Traffic-Tag: vip \u7684\u6807\u8bc6\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u662f\u6d41\u91cf\u67d3\u8272<\/strong>\u3002<\/p>\n

\u540e\u7eed\u7684\u8ba2\u5355\u670d\u52a1\u62ff\u5230\u8bf7\u6c42\uff0c\u770b\u5230 X-Traffic-Tag: vip\uff0c\u5c31\u8d70\u65b0\u7248\u672c\u7684\u8ba2\u5355\u903b\u8f91\uff1b\u652f\u4ed8\u670d\u52a1\u770b\u5230\u8fd9\u4e2a\u6807\u7b7e\uff0c\u5c31\u7528\u65b0\u7684\u652f\u4ed8\u63a5\u53e3\uff1b\u751a\u81f3\u65e5\u5fd7\u7cfb\u7edf\u770b\u5230\u8fd9\u4e2a\u6807\u7b7e\uff0c\u90fd\u4f1a\u5355\u72ec\u8bb0\u5f55VIP \u65b0\u7248\u672c\u7684\u65e5\u5fd7\uff0c\u5355\u72ec\u5904\u7406\u8fd9\u90e8\u5206\u8bf7\u6c42\u3002<\/p>\n

\u6d41\u91cf\u67d3\u8272\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e\uff0c\u6253\u7834\u6240\u6709\u6d41\u91cf\u65e0\u5dee\u522b\u5904\u7406\u7684\u5c40\u9650\u3002\u6709\u4e86\u67d3\u8272\u6807\u7b7e\uff0c\u7070\u5ea6\u53d1\u5e03\u3001A\/B \u6d4b\u8bd5\u3001\u73af\u5883\u9694\u79bb\uff08\u6bd4\u5982\u6d4b\u8bd5\u6d41\u91cf\u4e0d\u8fdb\u751f\u4ea7\u5e93\uff09\u624d\u80fd\u843d\u5730\u3002<\/p><\/blockquote>\n

\u4ec0\u4e48\u662f\u7070\u5ea6\u53d1\u5e03\uff1f<\/h2>\n

\u641e\u61c2\u4e86\u6d41\u91cf\u67d3\u8272\uff0c\u7070\u5ea6\u53d1\u5e03\u5c31\u597d\u7406\u89e3\u4e86\uff0c\u57fa\u4e8e\u67d3\u8272\u6807\u7b7e\uff0c\u8ba9\u90e8\u5206\u6d41\u91cf\u8d70\u65b0\u7248\u672c\uff0c\u9010\u6b65\u9a8c\u8bc1\u7a33\u5b9a\u6027<\/strong>\u3002<\/p>\n

\u4ee5\u524d\u6211\u4eec\u6ca1\u505a\u7070\u5ea6\u65f6\uff0c\u4e0a\u7ebf\u90fd\u662f\u4e00\u5200\u5207\uff1a\u51cc\u6668 2 \u70b9\u5168\u91cf\u5207\u6362\u65b0\u7248\u672c\uff0c\u4e00\u65e6\u51fa\u95ee\u9898\uff0c\u6240\u6709\u7528\u6237\u90fd\u53d7\u5f71\u54cd\uff0c\u53ea\u80fd\u7d27\u6025\u56de\u6eda\uff0c\u65e2\u72fc\u72c8\u53c8\u5bb9\u6613\u4e22\u6570\u636e\u3002<\/p>\n

\u73b0\u5728\u7528\u7070\u5ea6\u53d1\u5e03\uff0c\u6d41\u7a0b\u53d8\u6210\u8fd9\u6837\uff1a<\/p>\n

    \n
  • \u4e0a\u7ebf\u524d\uff1a\u53ea\u8ba9\u5185\u90e8\u6d4b\u8bd5\u8d26\u53f7\uff08\u67d3\u8272\u6807\u7b7e X-Traffic-Tag: test\uff09\u8d70\u65b0\u7248\u672c\uff0c\u9a8c\u8bc1\u529f\u80fd\u6ca1\u95ee\u9898\uff1b<\/li>\n
  • \u4e0a\u7ebf\u521d\u671f\uff1a\u653e 5% \u7684 VIP \u7528\u6237\uff08\u6807\u7b7e vip\uff09\u8d70\u65b0\u7248\u672c\uff0c\u89c2\u5bdf\u65e5\u5fd7\u548c\u76d1\u63a7\uff1b<\/li>\n
  • \u4e0a\u7ebf\u4e2d\u671f\uff1a\u6ca1\u95ee\u9898\u5c31\u6269\u5927\u5230 30%\u300150% \u7684 VIP \u7528\u6237\uff1b<\/li>\n
  • \u5168\u91cf\uff1a\u786e\u8ba4\u7a33\u5b9a\u540e\uff0c\u6240\u6709\u7528\u6237\u5207\u6362\u5230\u65b0\u7248\u672c\uff0c\u7070\u5ea6\u7ed3\u675f\u3002<\/li>\n<\/ul>\n

    \u5982\u679c\u4e2d\u95f4\u53d1\u73b0\u95ee\u9898\uff0c\u6bd4\u5982 5% \u7684 VIP \u7528\u6237\u53cd\u9988\u4e0b\u5355\u5931\u8d25\uff0c\u76f4\u63a5\u628a\u7070\u5ea6\u89c4\u5219\u5173\u6389\uff0c\u6240\u6709\u6d41\u91cf\u5207\u56de\u65e7\u7248\u672c\uff0c\u5f71\u54cd\u8303\u56f4\u53ea\u6709 5%\uff0c\u98ce\u9669\u5b8c\u5168\u53ef\u63a7\u3002<\/p>\n

    \u5e38\u89c1\u7684\u7070\u5ea6\u7b56\u7565\u9664\u4e86\u6309\u7528\u6237\u6807\u7b7e\uff0c\u8fd8\u6709\u8fd9\u4e9b\uff1a<\/p>\n

      \n
    • \u6309\u6bd4\u4f8b\uff1a10% \u6d41\u91cf\u8d70\u65b0\u7248\u672c\uff08\u6bd4\u5982\u7528\u7528\u6237 ID \u53d6\u6a21\uff0cID \u5c3e\u53f7\u4e3a 0 \u7684\u7528\u6237\uff09\uff1b<\/li>\n
    • \u6309\u4e1a\u52a1\u573a\u666f\uff1a\u53ea\u8ba9 \u201c\u65b0\u7528\u6237\u6ce8\u518c\u201d \u63a5\u53e3\u8d70\u65b0\u7248\u672c\uff0c\u8001\u7528\u6237\u63a5\u53e3\u4e0d\u53d8\uff1b<\/li>\n
    • \u6309\u8bbe\u5907\uff1aiOS \u7528\u6237\u5148\u5207\u65b0\u7248\u672c\uff0cAndroid \u7528\u6237\u540e\u7eed\u518d\u5207\uff08\u907f\u514d\u4e0d\u540c\u8bbe\u5907\u9002\u914d\u95ee\u9898\u540c\u65f6\u7206\u53d1\uff09\u3002<\/li>\n<\/ul>\n

      \u5b9e\u73b0\u6d41\u91cf\u67d3\u8272 + \u7070\u5ea6\u53d1\u5e03<\/h2>\n

      \u63a5\u4e0b\u6765\u662f\u91cd\u70b9\uff1a\u57fa\u4e8e SpringCloud Gateway\uff0c\u5982\u4f55\u5199\u4ee3\u7801\u5b9e\u73b0\u8fd9\u4e24\u4e2a\u529f\u80fd\uff1f\u6574\u4e2a\u6d41\u7a0b\u5206\u51e0\u6b65\uff1a\u8bf7\u6c42\u67d3\u8272\u2192\u7070\u5ea6\u8def\u7531\u2192\u6548\u679c\u9a8c\u8bc1<\/strong>\uff0c\u6240\u6709\u4ee3\u7801\u90fd\u662f\u751f\u4ea7\u73af\u5883\u53ef\u76f4\u63a5\u590d\u7528\u7684\u3002<\/p>\n

      \u9879\u76ee\u4f9d\u8d56<\/h3>\n

      \u9996\u5148\u786e\u4fdd\u5f15\u5165 Gateway \u6838\u5fc3\u4f9d\u8d56\uff08Spring Boot 2.7.x + Spring Cloud Alibaba 2021.0.4.0 \u7248\u672c\uff09\uff1a<\/p>\n

      <dependency>\n   <groupId>org.springframework.cloud<\/groupId>\n   <artifactId>spring-cloud-starter-gateway<\/artifactId>\n<\/dependency>\n\n<!-- \u7528\u4e8e\u670d\u52a1\u53d1\u73b0\uff08\u5982\u679c\u7070\u5ea6\u8def\u7531\u5230\u6ce8\u518c\u4e2d\u5fc3\u7684\u670d\u52a1\uff09 -->\n<dependency>\n   <groupId>com.alibaba.cloud<\/groupId>\n   <artifactId>spring-cloud-starter-alibaba-nacos-discovery<\/artifactId>\n<\/dependency><\/code><\/pre>\n
      \u7b2c\u4e00\u6b65\uff1a\u5b9e\u73b0\u6d41\u91cf\u67d3\u8272<\/h3>\n
      \u6d41\u91cf\u67d3\u8272\u7684\u6838\u5fc3\u662f\u62e6\u622a\u6240\u6709\u8bf7\u6c42\uff0c\u6309\u89c4\u5219\u6253\u6807\u7b7e\uff0c\u7528 Gateway \u7684 GlobalFilter<\/code> \u5c31\u80fd\u5b9e\u73b0\uff0c\u6240\u6709\u8bf7\u6c42\u90fd\u4f1a\u7ecf\u8fc7\u8fd9\u4e2a\u8fc7\u6ee4\u5668\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u5224\u65ad\u7528\u6237\u8eab\u4efd\uff0c\u6ce8\u5165\u67d3\u8272\u6807\u7b7e\u3002<\/p>\n
      \u6bd4\u5982\u6211\u4eec\u7684\u89c4\u5219\u662f\uff1a<\/p>\n
        \n
      • \u5982\u679c\u8bf7\u6c42\u53c2\u6570\u91cc\u6709 userType=vip<\/code>\uff0c\u5c31\u7ed9\u8bf7\u6c42\u5934\u52a0 X-Traffic-Tag: vip<\/code>\uff1b<\/li>\n
      • \u5982\u679c\u8bf7\u6c42\u53c2\u6570\u91cc\u6709 userType=test<\/code>\uff0c\u5c31\u52a0 X-Traffic-Tag: test<\/code>\uff1b<\/li>\n
      • \u5176\u4ed6\u8bf7\u6c42\u9ed8\u8ba4\u52a0 X-Traffic-Tag: normal<\/code>\u3002<\/li>\n<\/ul>\n
        \u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n
        @Configuration\npublic class TrafficDyeFilterConfig {\n\n    \/\/ \u5b9a\u4e49\u5168\u5c40\u8fc7\u6ee4\u5668\uff0cOrder\u8bbe\u4e3a-1\uff08\u786e\u4fdd\u6bd4\u5176\u4ed6\u8fc7\u6ee4\u5668\u5148\u6267\u884c\uff0c\u65e9\u67d3\u8272\u65e9\u7528\uff09\n    @Bean\n    @Order(-1)\n    public GlobalFilter trafficDyeFilter() {\n        return (exchange, chain) -> {\n            \/\/ 1. \u83b7\u53d6\u8bf7\u6c42\u4e2d\u7684\u7528\u6237\u6807\u8bc6\uff08\u53c2\u6570\/Cookie\uff09\n            String userType = getUserTypeFromRequest(exchange);\n\n            \/\/ 2. \u6839\u636e\u7528\u6237\u7c7b\u578b\u8bbe\u7f6e\u67d3\u8272\u6807\u7b7e\n            String trafficTag = getTrafficTagByUserType(userType);\n\n            \/\/ 3. \u5c06\u67d3\u8272\u6807\u7b7e\u6ce8\u5165\u8bf7\u6c42\u5934\uff08\u4f20\u9012\u7ed9\u4e0b\u6e38\u670d\u52a1\uff09\n            exchange.getRequest().mutate()\n                    .header("X-Traffic-Tag", trafficTag)\n                    .build();\n            \n            \/\/ 4. \u7ee7\u7eed\u6267\u884c\u540e\u7eed\u8fc7\u6ee4\u5668\u94fe\n            return chain.filter(exchange);\n        };\n    }\n\n    \/\/ \u4ece\u8bf7\u6c42\u53c2\u6570\u6216Cookie\u4e2d\u83b7\u53d6\u7528\u6237\u7c7b\u578b\n\n    private String getUserTypeFromRequest(ServerWebExchange exchange) {\n        \/\/ \u5148\u67e5\u8bf7\u6c42\u53c2\u6570\uff1a\u6bd4\u5982 http:\/\/xxx?userType=vip\n        List<String> userTypeParams = exchange.getRequest().getQueryParams().get("userType");\n        if (userTypeParams != null && !userTypeParams.isEmpty()) {\n            return userTypeParams.get(0);\n        }\n        \/\/ \u9ed8\u8ba4\u8fd4\u56denormal\n        return "normal";\n    }\n\n    \/\/ \u6839\u636e\u7528\u6237\u7c7b\u578b\u6620\u5c04\u67d3\u8272\u6807\u7b7e\n    private String getTrafficTagByUserType(String userType) {\n        switch (userType) {\n            case "vip":\n                return "vip";\n            case "test":\n                return "test";\n            default:\n                return "normal";\n        }\n    }\n}<\/code><\/pre>\n
        \u5173\u952e\u8bf4\u660e<\/strong>\uff1a<\/p>\n
          \n
        • Order(-1)<\/code> \u5f88\u91cd\u8981\uff1a\u786e\u4fdd\u67d3\u8272\u8fc7\u6ee4\u5668\u6bd4\u9274\u6743\u3001\u9650\u6d41\u8fc7\u6ee4\u5668\u5148\u6267\u884c\uff0c\u907f\u514d\u540e\u7eed\u903b\u8f91\u62ff\u4e0d\u5230\u67d3\u8272\u6807\u7b7e\uff1b<\/li>\n
        • \u6807\u7b7e\u653e\u5728\u8bf7\u6c42\u5934 X-Traffic-Tag<\/code>\uff1a\u4e0b\u6e38\u670d\u52a1\uff08\u5982\u8ba2\u5355\u670d\u52a1\uff09\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7 request.getHeader("X-Traffic-Tag")<\/code> \u83b7\u53d6\u6807\u7b7e\uff0c\u505a\u5dee\u5f02\u5316\u5904\u7406\uff1b<\/li>\n
        • \u6269\u5c55\u6027\uff1a\u5982\u679c\u9700\u8981\u66f4\u590d\u6742\u7684\u67d3\u8272\u89c4\u5219\uff08\u6bd4\u5982\u6309\u7528\u6237 ID \u53d6\u6a21\u3001\u6309\u5730\u533a\uff09\uff0c\u76f4\u63a5\u5728 getUserTypeFromRequest<\/code> \u91cc\u52a0\u903b\u8f91\u5373\u53ef\u3002<\/li>\n<\/ul>\n
          \u7b2c\u4e8c\u6b65\uff1a\u5b9e\u73b0\u7070\u5ea6\u8def\u7531<\/h3>\n
          \u67d3\u8272\u540e\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u8ba9\u4e0d\u540c\u6807\u7b7e\u7684\u6d41\u91cf\u8d70\u4e0d\u540c\u7248\u672c\u7684\u670d\u52a1\uff0c\u8fd9\u9700\u8981\u81ea\u5b9a\u4e49 RoutePredicateFactory<\/code>\uff08\u8def\u7531\u65ad\u8a00\u5de5\u5382\uff09\uff0c\u5224\u65ad\u8bf7\u6c42\u7684\u67d3\u8272\u6807\u7b7e\uff0c\u5339\u914d\u5bf9\u5e94\u7684\u670d\u52a1\u8def\u7531\u3002<\/p>\n
          \u6bd4\u5982\u6211\u4eec\u7684\u7070\u5ea6\u89c4\u5219\u662f\uff1a<\/p>\n
            \n
          • \u67d3\u8272\u6807\u7b7e\u4e3a vip<\/code> \u6216 test<\/code> \u7684\u8bf7\u6c42\uff0c\u8def\u7531\u5230\u65b0\u7248\u672c\u670d\u52a1\uff08\u670d\u52a1\u540d order-service-v2<\/code>\uff09\uff1b<\/li>\n
          • \u5176\u4ed6\u8bf7\u6c42\uff08\u6807\u7b7e normal<\/code>\uff09\uff0c\u8def\u7531\u5230\u65e7\u7248\u672c\u670d\u52a1\uff08\u670d\u52a1\u540d order-service-v1<\/code>\uff09\u3002<\/li>\n<\/ul>\n
            \u81ea\u5b9a\u4e49\u7070\u5ea6\u65ad\u8a00\u5de5\u5382<\/h4>\n
            \/\/ \u81ea\u5b9a\u4e49\u65ad\u8a00\u5de5\u5382\uff0c\u547d\u540d\u683c\u5f0f\uff1aXXXRoutePredicateFactory\uff08\u56fa\u5b9a\u540e\u7f00\uff09\n@Configuration\npublic class GrayRoutePredicateFactory extends AbstractRoutePredicateFactory<GrayRoutePredicateFactory.Config> {\n\n    \/\/ \u67d3\u8272\u6807\u7b7e\u7684\u8bf7\u6c42\u5934\u540d\uff08\u548c\u7b2c\u4e00\u6b65\u7684X-Traffic-Tag\u5bf9\u5e94\uff09\n    private static final String TRAFFIC_TAG_HEADER = "X-Traffic-Tag";\n\n    \/\/ \u6784\u9020\u51fd\u6570\uff0c\u6307\u5b9a\u914d\u7f6e\u7c7b\n    public GrayRoutePredicateFactory() {\n        super(Config.class);\n    }\n\n    \/\/ \u5b9a\u4e49\u914d\u7f6e\u7c7b\uff1a\u5b58\u50a8\u65ad\u8a00\u9700\u8981\u7684\u53c2\u6570\uff08\u6bd4\u5982\u201c\u9700\u8981\u5339\u914d\u7684\u67d3\u8272\u6807\u7b7e\u201d\uff09\n    @Validated\n    public static class Config {\n        \/\/ \u5141\u8bb8\u7684\u67d3\u8272\u6807\u7b7e\uff08\u6bd4\u5982["vip", "test"]\uff09\n        @NotEmpty\n        private List<String> allowTags;\n\n        public List<String> getAllowTags() {\n            return allowTags;\n        }\n\n        public void setAllowTags(List<String> allowTags) {\n            this.allowTags = allowTags;\n        }\n    }\n\n    \/\/ \u8bfb\u53d6\u914d\u7f6e\u53c2\u6570\u7684\u987a\u5e8f\uff08\u548capplication.yml\u4e2d\u914d\u7f6e\u7684\u987a\u5e8f\u5bf9\u5e94\uff09\n    @Override\n    public List<String> shortcutFieldOrder() {\n        return Collections.singletonList("allowTags");\n    }\n\n    \/\/ \u6838\u5fc3\u903b\u8f91\uff1a\u5224\u65ad\u8bf7\u6c42\u7684\u67d3\u8272\u6807\u7b7e\u662f\u5426\u5728\u5141\u8bb8\u7684\u5217\u8868\u4e2d\n    @Override\n    public GatewayPredicate apply(Config config) {\n        return new GatewayPredicate() {\n            @Override\n            public boolean test(ServerWebExchange exchange) {\n                \/\/ 1. \u83b7\u53d6\u8bf7\u6c42\u5934\u4e2d\u7684\u67d3\u8272\u6807\u7b7e\n                List<String> trafficTags = exchange.getRequest().getHeaders().get(TRAFFIC_TAG_HEADER);\n                if (trafficTags == null || trafficTags.isEmpty()) {\n                    return false; \/\/ \u6ca1\u6709\u6807\u7b7e\uff0c\u4e0d\u5339\u914d\u7070\u5ea6\u8def\u7531\n                }\n\n                String trafficTag = trafficTags.get(0);\n                \/\/ 2. \u5224\u65ad\u6807\u7b7e\u662f\u5426\u5728\u5141\u8bb8\u7684\u5217\u8868\u4e2d\uff08\u6bd4\u5982["vip", "test"]\uff09\n                return config.getAllowTags().contains(trafficTag);\n            }\n\n            \/\/ \u7528\u4e8e\u65e5\u5fd7\u6253\u5370\uff0c\u65b9\u4fbf\u8c03\u8bd5\n            @Override\n            public String toString() {\n                return "GrayRoutePredicate{allowTags=" + config.getAllowTags() + "}";\n            }\n        };\n    }\n}<\/code><\/pre>\n
            \u914d\u7f6e\u7f51\u5173\u8def\u7531<\/h4>\n
            \u5728\u914d\u7f6e\u6587\u4ef6 application.yml<\/code> \u4e2d\uff0c\u7528\u81ea\u5b9a\u4e49\u7684 GrayRoutePredicateFactory<\/code> \u914d\u7f6e\u8def\u7531\u89c4\u5219\uff0c\u6307\u5b9a\u54ea\u4e9b\u6807\u7b7e\u7684\u6d41\u91cf\u8d70\u54ea\u4e2a\u670d\u52a1\uff1a<\/p>\n
            spring:\n  cloud:\n    gateway:\n      routes:\n        # \u8def\u75311\uff1a\u7070\u5ea6\u6d41\u91cf\uff08vip\/test\u6807\u7b7e\uff09\u2192 \u65b0\u7248\u672c\u670d\u52a1\uff08order-service-v2\uff09\n        - id: gray_route_v2\n          uri: lb:\/\/order-service-v2 # \u670d\u52a1\u6ce8\u518c\u4e2d\u5fc3\u7684\u65b0\u7248\u672c\u670d\u52a1\u540d\n          predicates:\n            # \u81ea\u5b9a\u4e49\u7070\u5ea6\u65ad\u8a00\uff1a\u5141\u8bb8\u7684\u6807\u7b7e\u662f["vip", "test"]\n            - name: GrayRoute\n              args:\n                allowTags[0]: vip\n                allowTags[1]: test\n            # \u5339\u914d\u8ba2\u5355\u63a5\u53e3\u7684\u8def\u5f84\uff08\u6bd4\u5982 \/api\/order\/**\uff09\n            - Path=\/api\/order\/**\n          filters:\n            # \u8def\u5f84\u91cd\u5199\uff08\u53ef\u9009\uff0c\u6839\u636e\u5b9e\u9645\u4e1a\u52a1\u8c03\u6574\uff09\n            - RewritePath=\/api\/(?<segment>.*), \/$\/{segment}\n\n        # \u8def\u75312\uff1a\u666e\u901a\u6d41\u91cf\uff08normal\u6807\u7b7e\uff09\u2192 \u65e7\u7248\u672c\u670d\u52a1\uff08order-service-v1\uff09\n        - id: normal_route_v1\n          uri: lb:\/\/order-service-v1 # \u65e7\u7248\u672c\u670d\u52a1\u540d\n          predicates:\n            # \u666e\u901a\u6d41\u91cf\uff1a\u4e0d\u6ee1\u8db3\u7070\u5ea6\u65ad\u8a00\uff0c\u8d70\u8fd9\u6761\u8def\u7531\n            - Path=\/api\/order\/**\n          filters:\n            - RewritePath=\/api\/(?<segment>.*), \/$\/{segment}<\/code><\/pre>\n
            \u5173\u952e\u8bf4\u660e<\/strong>\uff1a<\/p>\n