{"id":4618,"date":"2021-12-19T16:26:59","date_gmt":"2021-12-19T08:26:59","guid":{"rendered":"http:\/\/123.57.164.21\/?p=4618"},"modified":"2021-12-19T16:26:59","modified_gmt":"2021-12-19T08:26:59","slug":"spring-cloud-gateway-%e5%9f%ba%e7%a1%80%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=4618","title":{"rendered":"spring cloud gateway \u57fa\u7840\u4ecb\u7ecd"},"content":{"rendered":"\n<h5 class=\"wp-block-heading\">\u7f51\u5173\u662f\u600e\u4e48\u6f14\u5316\u6765\u7684<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5355\u4f53\u5e94\u7528\u62c6\u5206\u6210\u591a\u4e2a\u670d\u52a1\u540e\uff0c\u5bf9\u5916\u9700\u8981\u4e00\u4e2a\u7edf\u4e00\u5165\u53e3\uff0c\u89e3\u8026\u5ba2\u6237\u7aef\u4e0e\u5185\u90e8\u670d\u52a1\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-222-1024x429.png\" alt=\"\" class=\"wp-image-4619\" width=\"544\" height=\"227\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-1024x429.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-300x126.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-768x322.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-830x348.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-230x96.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-350x147.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222-480x201.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-222.png 1342w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u7f51\u5173\u7684\u57fa\u672c\u529f\u80fd<\/strong><\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u7f51\u5173\u6838\u5fc3\u529f\u80fd\u662f\u8def\u7531\u8f6c\u53d1\uff0c\u56e0\u6b64\u4e0d\u8981\u6709\u8017\u65f6\u64cd\u4f5c\u5728\u7f51\u5173\u4e0a\u5904\u7406\uff0c\u8ba9\u8bf7\u6c42\u5feb\u901f\u8f6c\u53d1\u5230\u540e\u7aef\u670d\u52a1\u4e0a<\/p>\n\n\n\n<p>\u7f51\u5173\u8fd8\u80fd\u505a\u7edf\u4e00\u7684\u7194\u65ad\u3001\u9650\u6d41\u3001\u8ba4\u8bc1\u3001\u65e5\u5fd7\u76d1\u63a7\u7b49<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-223-1024x479.png\" alt=\"\" class=\"wp-image-4620\" width=\"550\" height=\"256\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-1024x479.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-300x140.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-768x359.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-830x388.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-230x108.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-350x164.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223-480x224.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-223.png 1236w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">\u5173\u4e8eSpring Cloud Gateway<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728SpringCloud\u5fae\u670d\u52a1\u4f53\u7cfb\u4e2d\uff0c\u6709\u4e2a<strong>\u5f88\u91cd\u8981\u7684\u7ec4\u4ef6\u5c31\u662f\u7f51\u5173<\/strong>\uff0c\u57281.x\u7248\u672c\u4e2d\u90fd\u662f\u91c7\u7528\u7684Zuul\u7f51\u5173\uff1b\u4f46\u57282.x\u7248\u672c\u4e2d\uff0czuul\u7684\u5347\u7ea7\u4e00\u76f4\u8df3\u7968\uff0c<strong>SpringCloud\u6700\u540e\u81ea\u5df1\u7814\u53d1\u4e86\u4e00\u4e2a\u7f51\u5173\u66ff\u4ee3Zuul\uff0c<\/strong>\u90a3\u5c31\u662f<strong>SpringCloud Gateway<\/strong>\u3002<\/p>\n\n\n\n<p>\u7f51\u4e0a\u5f88\u591a\u5730\u65b9\u90fd\u8bf4Zuul\u662f\u963b\u585e\u7684\uff0cGateway\u662f\u975e\u963b\u585e\u7684\uff0c\u8fd9\u4e48\u8bf4\u662f\u4e0d\u4e25\u8c28\u7684\uff0c\u51c6\u786e\u7684\u8bb2Zuul1.x\u662f\u963b\u585e\u7684\uff0c\u800c\u57282.x\u7684\u7248\u672c\u4e2d\uff0cZuul\u4e5f\u662f\u57fa\u4e8eNetty\uff0c\u4e5f\u662f\u975e\u963b\u585e\u7684\uff0c\u5982\u679c\u4e00\u5b9a\u8981\u8bf4\u6027\u80fd\uff0c\u5176\u5b9e\u8fd9\u4e2a\u771f\u6ca1\u591a\u5927\u5dee\u8ddd\u3002<\/p>\n\n\n\n<p>\u800c\u5b98\u65b9\u51fa\u8fc7\u4e00\u4e2a\u6d4b\u8bd5\u9879\u76ee\uff0c\u521b\u5efa\u4e86\u4e00\u4e2abenchmark\u7684\u6d4b\u8bd5\u9879\u76ee\uff1a<a href=\"https:\/\/github.com\/spencergibb\/spring-cloud-gateway-bench\">spring-cloud-gateway-bench<\/a>\uff0c\u5176\u4e2d\u5bf9\u6bd4\u4e86\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-224-1024x247.png\" alt=\"\" class=\"wp-image-4622\" width=\"644\" height=\"155\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-1024x247.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-300x72.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-768x185.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-830x200.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-230x55.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-350x84.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224-480x116.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-224.png 1354w\" sizes=\"(max-width: 644px) 100vw, 644px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Spring Cloud Gateway \u529f\u80fd\u7279\u5f81<\/strong><\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<ul><li>\u7edf\u4e00\u5165\u53e3<ul><li>\u6240\u6709\u8bf7\u6c42\u901a\u8fc7\u7f51\u5173\u8def\u7531\u5230\u5185\u90e8\u5176\u4ed6\u670d\u52a1\u3002<\/li><\/ul><\/li><li>\u65ad\u8a00(Predicates)\u548c\u8fc7\u6ee4\u5668(filters)\u7279\u5b9a\u8def\u7531\u3002<ul><li>\u65ad\u8a00\u662f\u6839\u636e\u5177\u4f53\u7684\u8bf7\u6c42\u7684\u89c4\u5219\u7531route\u53bb\u5904\u7406\uff1b<\/li><li>\u8fc7\u6ee4\u5668\u7528\u6765\u5bf9\u8bf7\u6c42\u505a\u5404\u79cd\u5224\u65ad\u548c\u4fee\u6539\u3002<\/li><\/ul><\/li><li>Hystrix \u7194\u65ad\u673a\u5236\u3002<ul><li>Hystrix\u662f spring cloud gateway\u4e2d\u662f\u4ee5filter\u7684\u5f62\u5f0f\u4f7f\u7528\u7684\u3002<\/li><\/ul><\/li><li>\u8bf7\u6c42\u9650\u6d41<ul><li>\u9632\u6b62\u5927\u89c4\u6a21\u8bf7\u6c42\u5bf9\u4e1a\u52a1\u6570\u636e\u9020\u6210\u7834\u574f\u3002<\/li><\/ul><\/li><li>\u8def\u5f84\u91cd\u5199<ul><li>\u81ea\u5b9a\u4e49\u8def\u7531\u8f6c\u53d1\u89c4\u5219\u3002<\/li><\/ul><\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-225-1024x370.png\" alt=\"\" class=\"wp-image-4624\" width=\"596\" height=\"215\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-1024x370.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-300x108.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-768x278.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-830x300.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-230x83.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-350x127.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225-480x174.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-225.png 1344w\" sizes=\"(max-width: 596px) 100vw, 596px\" \/><\/figure><\/div>\n\n\n\n<p id=\"item1\"><strong>Gateway\u7f51\u5173\u7279\u6027<\/strong><\/p>\n\n\n\n<p>\u4e0a\u56fe\u4e2d\u662f\u6838\u5fc3\u7684\u6d41\u7a0b\u56fe\uff0c\u6700\u4e3b\u8981\u7684<strong>\u5c31\u662fRoute\u3001Predicates \u548c Filters \u4f5c\u7528\u4e8e\u7279\u5b9a\u8def\u7531<\/strong>\u3002<\/p>\n\n\n\n<ul><li>Route\uff1a<strong>\u8def\u7531\u662f\u7f51\u5173\u7684\u57fa\u672c\u6784\u4ef6<\/strong>\u3002\u5b83\u7531ID\u3001\u76ee\u6807URI\u3001\u8c13\u8bcd\u96c6\u5408\u548c\u8fc7\u6ee4\u5668\u96c6\u5408\u5b9a\u4e49\u3002\u5982\u679c\u805a\u5408\u8c13\u8bcd\u4e3a\u771f\uff0c\u5219\u5339\u914d\u8def\u7531\u3002<\/li><\/ul>\n\n\n\n<ul><li>Predicate\uff1a<strong>\u53c2\u7167Java8\u7684\u65b0\u7279\u6027Predicate<\/strong>\u3002\u8fd9\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5339\u914dHTTP\u8bf7\u6c42\u4e2d\u7684\u4efb\u4f55\u5185\u5bb9\uff0c\u6bd4\u5982\u5934\u6216\u53c2\u6570\u3002<\/li><\/ul>\n\n\n\n<ul><li>Filter\uff1a\u53ef\u4ee5\u5728\u53d1\u9001\u4e0b\u6e38\u8bf7\u6c42\u4e4b\u524d\u6216\u4e4b\u540e\u4fee\u6539\u8bf7\u6c42\u548c\u54cd\u5e94\u3002<\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u6211\u4eec\u4e3a\u4ec0\u4e48\u9009\u62e9Gateway\uff1f<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u4e00\u65b9\u9762\u56e0\u4e3aZuul\u5df2\u7ecf\u8fdb\u5165\u4e86<strong>\u7ef4\u62a4\u9636\u6bb5<\/strong>\uff0c\u800c\u4e14Gateway\u662fSpringCloud\u56e2\u961f\u7814\u53d1\u7684\uff0c\u662f\u4eb2\u513f\u5b50\u4ea7\u54c1\uff0c\u503c\u5f97\u4fe1\u8d56\u3002\u800c\u4e14\u5f88\u591a\u529f\u80fdZuul\u90fd\u6ca1\u6709\uff1b\u7528\u8d77\u6765\u4e5f\u975e\u5e38\u7684\u7b80\u5355\u4fbf\u6377\u3002<\/p>\n\n\n\n<p>Gateway\u662f\u57fa\u4e8e\u5f02\u6b65\u975e\u963b\u585e\u6a21\u578b\u4e0a\u8fdb\u884c\u5f00\u53d1\u7684\uff0c\u6027\u80fd\u65b9\u9762\u4e0d\u9700\u8981\u62c5\u5fc3\u3002\u867d\u7136Netflix \u65e9\u5c31\u53d1\u5e03\u4e86\u6700\u65b0\u7684 Zuul 2.x\uff0c\u4f46 Spring Cloud \u8c8c\u4f3c\u6ca1\u6709\u6574\u5408\u8ba1\u5212\u3002\u800c\u4e14<strong>Netflix\u76f8\u5173\u7ec4\u4ef6\u90fd\u5ba3\u5e03\u8fdb\u5165\u7ef4\u62a4\u671f<\/strong>\uff1b\u4e0d\u77e5\u524d\u666f\u5982\u4f55\uff1f<\/p>\n\n\n\n<p>\u591a\u65b9\u9762\u7efc\u5408\u8003\u8651Gateway\u662f\u5f88\u7406\u60f3\u7684\u7f51\u5173\u9009\u62e9\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Spring Cloud Gateway \u5de5\u4f5c\u539f\u7406<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-228-1024x589.png\" alt=\"\" class=\"wp-image-4630\" width=\"438\" height=\"252\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-1024x589.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-300x172.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-768x441.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-1536x883.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-830x477.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-230x132.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-350x201.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228-480x276.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-228.png 1712w\" sizes=\"(max-width: 438px) 100vw, 438px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-226.png\" alt=\"\" class=\"wp-image-4626\" width=\"315\" height=\"436\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-226.png 592w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-226-217x300.png 217w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-226-230x319.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-226-350x485.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-226-480x665.png 480w\" sizes=\"(max-width: 315px) 100vw, 315px\" \/><\/figure><\/div>\n\n\n\n<p>\u5ba2\u6237\u7aef\u5411 Spring Cloud Gateway \u53d1\u51fa\u8bf7\u6c42\u3002\u7136\u540e\u5728 Gateway Handler Mapping \u4e2d\u627e\u5230\u4e0e\u8bf7\u6c42\u76f8\u5339\u914d\u7684\u8def\u7531\uff0c\u5c06\u5176\u53d1\u9001\u5230 Gateway Web Handler\u3002Handler \u518d\u901a\u8fc7\u6307 \u5b9a\u7684\u8fc7\u6ee4\u5668\u94fe\u6765\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u6211\u4eec\u5b9e\u9645\u7684\u670d\u52a1\u6267\u884c\u4e1a\u52a1\u903b\u8f91\uff0c\u7136\u540e\u8fd4\u56de\u3002\u8fc7\u6ee4\u5668\u4e4b\u95f4\u7528\u865a\u7ebf\u5206\u5f00\u662f\u56e0\u4e3a\u8fc7\u6ee4\u5668\u53ef\u80fd\u4f1a\u5728\u53d1\u9001\u4ee3\u7406\u8bf7\u6c42\u4e4b\u524d\uff08\u201cpre\u201d\uff09\u6216\u4e4b\u540e\uff08\u201cpost\u201d\uff09\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n\n\n\n<p>Filter\u5728<strong>\u201cpre\u201d\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\u53ef\u4ee5\u505a\u53c2\u6570\u6821\u9a8c\u3001\u6743\u9650\u6821\u9a8c\u3001\u6d41\u91cf\u76d1\u63a7\u3001\u65e5\u5fd7\u8f93\u51fa\u3001\u534f\u8bae\u8f6c\u6362<\/strong>\u7b49\uff0c<\/p>\n\n\n\n<p>\u5728<strong>\u201cpost\u201d\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\u4e2d\u53ef\u4ee5\u505a\u54cd\u5e94\u5185\u5bb9\u3001\u54cd\u5e94\u5934\u7684\u4fee\u6539\uff0c\u65e5\u5fd7\u7684\u8f93\u51fa\uff0c\u6d41\u91cf\u76d1\u63a7<\/strong>\u7b49\u6709\u7740\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n<p><strong>\u6838\u5fc3\u903b\u8f91\u5c31\u662f\u8def\u7531\u8f6c\u53d1\uff0c\u6267\u884c\u8fc7\u6ee4\u5668\u94fe\u3002<\/strong><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u65ad\u8a00(Predicates)<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6709\u5f88\u591a\u7c7b\u578b\u7684Predicate, \u6bd4\u5982\u8bf4\u65f6\u95f4\u7c7b\u578b\u7684Predicated\uff08AfterRoutePredicateFactory\uff0cBeforeRoutePredicateFactory BetweenRoutePredicateFactory\uff09\uff0c\u5f53\u53ea\u6709\u6ee1\u8db3\u7279\u5b9a\u65f6\u95f4\u8981\u6c42\u7684\u8bf7\u6c42\u4f1a\u8fdb\u5165\u5230\u6b64predicate\u4e2d\uff0c\u5e76\u4ea4\u7531router\u5904\u7406\uff1bcookie\u7c7b\u578b\u7684CookieRoutePredicateFactory\uff0c\u6307\u5b9a\u7684cookie\u6ee1\u8db3\u6b63\u5219\u5339\u914d\uff0c\u624d\u4f1a\u8fdb\u5165\u6b64router; \u4ee5\u53cahost\u3001method\u3001path\u3001querparam\u3001remoteaddr\u7c7b\u578b\u7684predicate\uff0c\u6bcf\u4e00\u79cdpredicate\u90fd\u4f1a\u5bf9\u5f53\u524d\u7684\u5ba2\u6237\u7aef\u8bf7\u6c42\u8fdb\u884c\u5224\u65ad\uff0c\u662f\u5426\u6ee1\u8db3\u5f53\u524d\u7684\u8981\u6c42\uff0c\u5982\u679c\u6ee1\u8db3\u5219\u4ea4\u7ed9\u5f53\u524d\u8bf7\u6c42\u5904\u7406\u3002\u5982\u679c\u6709\u5f88\u591a\u4e2aPredicate\uff0c\u5e76\u4e14\u4e00\u4e2a\u8bf7\u6c42\u6ee1\u8db3\u591a\u4e2aPredicate\uff0c\u5219\u6309\u7167\u914d\u7f6e\u7684\u987a\u5e8f\u7b2c\u4e00\u4e2a\u751f\u6548\u3002<\/p>\n\n\n\n<ul><li> After Route Predicate Factory\uff1a\u4f7f\u7528\u7684\u662f\u65f6\u95f4\u4f5c\u4e3a\u5339\u914d\u89c4\u5219\uff0c\u53ea\u8981\u5f53\u524d\u65f6\u95f4\u5927\u4e8e\u8bbe\u5b9a\u65f6\u95f4\uff0c\u8def\u7531\u624d\u4f1a\u5339\u914d\u8bf7\u6c42<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8fd9\u4e2a\u8def\u7531\u89c4\u5219\u4f1a\u5728\u4e1c8\u533a\u76842018-12-25 14:33:47\u540e\uff0c\u5c06\u8bf7\u6c42\u90fd\u8f6c\u8df3\u5230google\u3002\n\nspring:  \n    cloud:    \n        gateway:      \n            routes:      \n            - id: after_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - After=2018-12-25T14:33:47.789+08:00\n<\/pre>\n\n\n\n<h5 class=\"wp-block-heading\"><br><\/h5>\n\n\n\n<ul><li>Before Route Predicate Factory\uff1a\u4e5f\u662f\u4f7f\u7528\u65f6\u95f4\u4f5c\u4e3a\u5339\u914d\u89c4\u5219\uff0c\u53ea\u8981\u5f53\u524d\u65f6\u95f4\u5c0f\u4e8e\u8bbe\u5b9a\u65f6\u95f4\uff0c\u8def\u7531\u624d\u4f1a\u5339\u914d\u8bf7\u6c42\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8fd9\u4e2a\u8def\u7531\u89c4\u5219\u4f1a\u5728\u4e1c8\u533a\u76842018-12-25 14:33:47\u524d\uff0c\u5c06\u8bf7\u6c42\u90fd\u8f6c\u8df3\u5230google\u3002\n\nspring:  \n    cloud:    \n        gateway:      \n            routes:      \n            - id: before_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Before=2018-12-25T14:33:47.789+08:00\n<\/pre>\n\n\n\n<ul><li>Between Route Predicate Factory\uff1aBetween Route Predicate Factory\u4e5f\u662f\u4f7f\u7528\u4e24\u4e2a\u65f6\u95f4\u4f5c\u4e3a\u5339\u914d\u89c4\u5219\uff0c\u53ea\u8981\u5f53\u524d\u65f6\u95f4\u5927\u4e8e\u7b2c\u4e00\u4e2a\u8bbe\u5b9a\u65f6\u95f4\uff0c\u5e76\u5c0f\u4e8e\u7b2c\u4e8c\u4e2a\u8bbe\u5b9a\u65f6\u95f4\uff0c\u8def\u7531\u624d\u4f1a\u5339\u914d\u8bf7\u6c42\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8fd9\u4e2a\u8def\u7531\u89c4\u5219\u4f1a\u5728\u4e1c8\u533a\u76842018-12-25 14:33:47\u52302018-12-26 14:33:47\u4e4b\u95f4\uff0c\u5c06\u8bf7\u6c42\u90fd\u8f6c\u8df3\u5230google\u3002\n\nspring:  \n    cloud:   \n        gateway:      \n            routes:      \n            - id: between_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Between=2018-12-25T14:33:47.789+08:00, 2018-12-26T14:33:47.789+08:00\n<\/pre>\n\n\n\n<ul><li>Cookie Route Predicate Factory\uff1aCookie Route Predicate Factory\u4f7f\u7528\u7684\u662fcookie\u540d\u5b57\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u7684value\u4f5c\u4e3a\u4e24\u4e2a\u8f93\u5165\u53c2\u6570\uff0c\u8bf7\u6c42\u7684cookie\u9700\u8981\u5339\u914dcookie\u540d\u548c\u7b26\u5408\u5176\u4e2dvalue\u7684\u6b63\u5219<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8def\u7531\u5339\u914d\u8bf7\u6c42\u5b58\u5728cookie\u540d\u4e3acookiename\uff0ccookie\u5185\u5bb9\u5339\u914dcookievalue\u7684\uff0c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230google\u3002\n\nspring: \n    cloud:    \n        gateway:  \n            routes:      \n            - id: cookie_route       \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Cookie=cookiename, cookievalue\n<\/pre>\n\n\n\n<ul><li>Header Route Predicate Factory\uff1aHeader Route Predicate Factory\uff0c\u4e0eCookie Route Predicate Factory\u7c7b\u4f3c\uff0c\u4e5f\u662f\u4e24\u4e2a\u53c2\u6570\uff0c\u4e00\u4e2aheader\u7684name\uff0c\u4e00\u4e2a\u662f\u6b63\u5219\u5339\u914d\u7684value<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8def\u7531\u5339\u914d\u5b58\u5728\u540d\u4e3aX-Request-Id\uff0c\u5185\u5bb9\u4e3a\u6570\u5b57\u7684header\u7684\u8bf7\u6c42\uff0c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230google\u3002\n\nspring:  \n    cloud:    \n        gateway:     \n            routes:      \n            - id: header_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Header=X-Request-Id, \\d+<\/pre>\n\n\n\n<ul><li>Host Route Predicate Factory\uff1aHost Route Predicate Factory\u4f7f\u7528\u7684\u662fhost\u7684\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\uff0chost\u4f7f\u7528Ant style\u5339\u914d\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8def\u7531\u4f1a\u5339\u914dHost\u8bf8\u5982\uff1awww.somehost.org \u6216 beta.somehost.org\u6216www.anotherhost.org\u7b49\u8bf7\u6c42\u3002\n\nspring:  \n    cloud:    \n        gateway:      \n            routes:      \n            - id: host_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Host=**.somehost.org,**.anotherhost.org\n<\/pre>\n\n\n\n<ul><li>Method Route Predicate Factory\uff1aMethod Route Predicate Factory\u662f\u901a\u8fc7HTTP\u7684method\u6765\u5339\u914d\u8def\u7531\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8def\u7531\u4f1a\u5339\u914d\u5230\u6240\u6709GET\u65b9\u6cd5\u7684\u8bf7\u6c42\u3002\n\nspring:  \n    cloud:    \n        gateway:      \n            routes:      \n            - id: method_route        \n              uri: http:\/\/www.google.com        \n              predicates:        \n              - Method=GET<\/pre>\n\n\n\n<ul><li>Path Route Predicate Factory\uff1aPath Route Predicate Factory\u4f7f\u7528\u7684\u662fpath\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\uff0c\u4f7f\u7528Spring\u7684<code>PathMatcher<\/code>\u5339\u914dpath\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u53ef\u9009\u53d8\u91cf\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u4e0a\u9762\u8def\u7531\u53ef\u4ee5\u5339\u914d\u8bf8\u5982\uff1a\/foo\/1 \u6216 \/foo\/bar \u6216 \/bar\/baz\u7b49 \u5176\u4e2d\u7684segment\u53d8\u91cf\u53ef\u4ee5\u901a\u8fc7\u4e0b\u9762\u65b9\u5f0f\u83b7\u53d6\u3002\n\nspring:  \n    cloud:    \n        gateway:      \n            routes:      \n            - id: host_route        \n              uri: http:\/\/www.google.com       \n              predicates:        \n              - Path=\/foo\/{segment},\/bar\/{segment}<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#\u5728\u540e\u7eed\u7684GatewayFilter Factories\u5c31\u53ef\u4ee5\u505a\u5bf9\u5e94\u7684\u64cd\u4f5c\u4e86\u3002\n\nPathMatchInfo variables = exchange.getAttribute(URI_TEMPLATE_VARIABLES_ATTRIBUTE);\nMap&lt;String, String> uriVariables = variables.getUriVariables();\nString segment = uriVariables.get(\"segment\");<\/pre>\n\n\n\n<ul><li>Query Route Predicate Factory\uff1aQuery Route Predicate Factory\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u6216\u4e24\u4e2a\u53c2\u6570\u6765\u5339\u914d\u8def\u7531\uff0c\u4e00\u4e2a\u662f\u67e5\u8be2\u7684name\uff0c\u4e00\u4e2a\u662f\u67e5\u8be2\u7684\u6b63\u5219value\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u8def\u7531\u4f1a\u5339\u914d\u6240\u6709\u5305\u542bbaz\u67e5\u8be2\u53c2\u6570\u7684\u8bf7\u6c42\u3002\n\n\nspring:  \n\tcloud:    \n\t\tgateway:      \n\t\t\troutes:      \n\t\t\t- id: query_route        \n\t\t\t  uri: http:\/\/www.google.com        \n\t\t\t  predicates:        \n\t\t\t  - Query=baz\n\n#application.yml\n#\u8def\u7531\u4f1a\u5339\u914d\u6240\u6709\u5305\u542bfoo\uff0c\u5e76\u4e14foo\u7684\u5185\u5bb9\u4e3a\u8bf8\u5982\uff1abar\u6216baz\u7b49\u7b26\u5408ba.\u6b63\u5219\u89c4\u5219\u7684\u8bf7\u6c42\u3002\n\nspring:  \n\tcloud:    \n\t\tgateway:      \n\t\t\troutes:      \n\t\t\t- id: query_route       \n              uri: http:\/\/www.google.com        \n              predicates:       \n              - Query=foo, ba.<\/pre>\n\n\n\n<ul><li>RemoteAddr Route Predicate Factory\uff1aRemoteAddr Route Predicate Factory\u901a\u8fc7\u65e0\u7c7b\u522b\u57df\u95f4\u8def\u7531(IPv4 or IPv6)\u5217\u8868\u5339\u914d\u8def\u7531\u3002<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#application.yml\n#\u4e0a\u9762\u8def\u7531\u5c31\u4f1a\u5339\u914dRemoteAddr\u8bf8\u5982192.168.1.10\u7b49\u8bf7\u6c42\u3002\n\nspring:  \n\tcloud:    \n\t\tgateway:    \n        \troutes:      \n        \t- id: remoteaddr_route        \n        \t  uri: http:\/\/www.google.com        \n        \t  predicates:        \n        \t  - RemoteAddr=192.168.1.1\/24\n\n\nRemoteAddr Route Predicate Factory\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u7684\u662f\u8bf7\u6c42\u7684remote address\u3002\u4f46\u662f\u5982\u679cSpring Cloud Gateway\u662f\u90e8\u7f72\u5728\u5176\u4ed6\u7684\u4ee3\u7406\u540e\u9762\u7684\uff0c\u5982Nginx\uff0c\u5219Spring Cloud Gateway\u83b7\u53d6\u8bf7\u6c42\u7684remote address\u662f\u5176\u4ed6\u4ee3\u7406\u7684ip\uff0c\u800c\u4e0d\u662f\u771f\u5b9e\u5ba2\u6237\u7aef\u7684ip\u3002\n\n\u8003\u8651\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f60\u53ef\u4ee5\u81ea\u5b9a\u4e49\u83b7\u53d6remote address\u7684\u5904\u7406\u5668RemoteAddressResolver\u3002\u5f53\u7136Spring Cloud Gateway\u4e5f\u63d0\u4f9b\u4e86\u57fa\u4e8eX-Forwarded-For\u8bf7\u6c42\u5934\u7684XForwardedRemoteAddressResolver\u3002 \u719f\u6089Http\u4ee3\u7406\u534f\u8bae\u7684\uff0c\u90fd\u77e5\u9053X-Forwarded-For\u5934\u4fe1\u606f\u505a\u4ec0\u4e48\u7684\uff0c\u4e0d\u719f\u6089\u7684\u53ef\u4ee5\u81ea\u5df1\u8c37\u6b4c\u4e86\u89e3\u4e00\u4e0b\u3002\n\nXForwardedRemoteAddressResolver\u63d0\u4f9b\u4e86\u4e24\u4e2a\u9759\u6001\u65b9\u6cd5\u83b7\u53d6\u5b83\u7684\u5b9e\u4f8b\uff1a XForwardedRemoteAddressResolver::trustAll\u5f97\u5230\u7684RemoteAddressResolver\u603b\u662f\u83b7\u53d6X-Forwarded-For\u7684\u7b2c\u4e00\u4e2aip\u5730\u5740\u4f5c\u4e3aremote address\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5c31\u6bd4\u8f83\u5bb9\u6613\u88ab\u4f2a\u88c5\u7684\u8bf7\u6c42\u6b3a\u9a97\uff0c\u6a21\u62df\u8bf7\u6c42\u5f88\u5bb9\u6613\u901a\u8fc7\u8bbe\u7f6e\u521d\u59cb\u7684X-Forwarded-For\u5934\u4fe1\u606f\uff0c\u5c31\u53ef\u4ee5\u6b3a\u9a97\u5230gateway\u3002\n\nXForwardedRemoteAddressResolver::maxTrustedIndex\u5f97\u5230\u7684RemoteAddressResolver\u5219\u4f1a\u5728X-Forwarded-For\u4fe1\u606f\u91cc\u9762\uff0c\u4ece\u53f3\u5230\u5de6\u9009\u62e9\u4fe1\u4efb\u6700\u591amaxTrustedIndex\u4e2aip\uff0c\u56e0\u4e3aX-Forwarded-For\u662f\u8d8a\u5f80\u53f3\u662f\u8d8a\u63a5\u8fd1gateway\u7684\u4ee3\u7406\u673a\u5668ip\uff0c\u6240\u4ee5\u662f\u8d8a\u5f80\u53f3\u7684ip\uff0c\u4fe1\u4efb\u5ea6\u662f\u8d8a\u9ad8\u7684\u3002 \u90a3\u4e48\u5982\u679c\u524d\u9762\u53ea\u662f\u6321\u4e86\u4e00\u5c42Nginx\u7684\u8bdd\uff0c\u5982\u679c\u53ea\u9700\u8981Nginx\u524d\u9762\u5ba2\u6237\u7aef\u7684ip\uff0c\u5219maxTrustedIndex\u53d61\uff0c\u5c31\u53ef\u4ee5\u6bd4\u8f83\u5b89\u5168\u5730\u83b7\u53d6\u771f\u5b9e\u5ba2\u6237\u7aefip\u3002\n<\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">filter\u7684\u4f5c\u7528\u548c\u751f\u547d\u5468\u671f<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u7531filter\u5de5\u4f5c\u6d41\u7a0b\u70b9\uff0c\u53ef\u4ee5\u77e5\u9053filter\u6709\u7740\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5728\u201cpre\u201d\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\u53ef\u4ee5\u505a\u53c2\u6570\u6821\u9a8c\u3001\u6743\u9650\u6821\u9a8c\u3001\u6d41\u91cf\u76d1\u63a7\u3001\u65e5\u5fd7\u8f93\u51fa\u3001\u534f\u8bae\u8f6c\u6362\u7b49\uff0c\u5728\u201cpost\u201d\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\u4e2d\u53ef\u4ee5\u505a\u54cd\u5e94\u5185\u5bb9\u3001\u54cd\u5e94\u5934\u7684\u4fee\u6539\uff0c\u65e5\u5fd7\u7684\u8f93\u51fa\uff0c\u6d41\u91cf\u76d1\u63a7\u7b49\u3002\u9996\u5148\u9700\u8981\u5f04\u6e05\u4e00\u70b9\u4e3a\u4ec0\u4e48\u9700\u8981\u7f51\u5173\u8fd9\u4e00\u5c42\uff0c\u8fd9\u5c31\u4e0d\u5f97\u4e0d\u8bf4\u4e0bfilter\u7684\u4f5c\u7528\u4e86\u3002<\/p>\n\n\n\n<ul><li>\u4f5c\u7528<\/li><\/ul>\n\n\n\n<p>\u5f53\u6211\u4eec\u6709\u5f88\u591a\u4e2a\u670d\u52a1\u65f6\uff0c\u6bd4\u5982\u4e0b\u56fe\u4e2d\u7684user-service\u3001goods-service\u3001sales-service\u7b49\u670d\u52a1\uff0c\u5ba2\u6237\u7aef\u8bf7\u6c42\u5404\u4e2a\u670d\u52a1\u7684Api\u65f6\uff0c\u6bcf\u4e2a\u670d\u52a1\u90fd\u9700\u8981\u505a\u76f8\u540c\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u9274\u6743\u3001\u9650\u6d41\u3001\u65e5\u5fd7\u8f93\u51fa\u7b49\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-230-1024x583.png\" alt=\"\" class=\"wp-image-4646\" width=\"503\" height=\"286\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-1024x583.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-300x171.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-768x437.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-830x473.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-230x131.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-350x199.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230-480x273.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-230.png 1166w\" sizes=\"(max-width: 503px) 100vw, 503px\" \/><\/figure><\/div>\n\n\n\n<p>\u5bf9\u4e8e\u8fd9\u6837\u91cd\u590d\u7684\u5de5\u4f5c\uff0c\u6709\u6ca1\u6709\u529e\u6cd5\u505a\u7684\u66f4\u597d\uff0c\u7b54\u6848\u662f\u80af\u5b9a\u7684\u3002\u5728\u5fae\u670d\u52a1\u7684\u4e0a\u4e00\u5c42\u52a0\u4e00\u4e2a\u5168\u5c40\u7684\u6743\u9650\u63a7\u5236\u3001\u9650\u6d41\u3001\u65e5\u5fd7\u8f93\u51fa\u7684Api Gatewat\u670d\u52a1\uff0c\u7136\u540e\u518d\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u5177\u4f53\u7684\u4e1a\u52a1\u670d\u52a1\u5c42\u3002\u8fd9\u4e2aApi Gateway\u670d\u52a1\u5c31\u662f\u8d77\u5230\u4e00\u4e2a\u670d\u52a1\u8fb9\u754c\u7684\u4f5c\u7528\uff0c\u5916\u63a5\u7684\u8bf7\u6c42\u8bbf\u95ee\u7cfb\u7edf\uff0c\u5fc5\u987b\u5148\u901a\u8fc7\u7f51\u5173\u5c42\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-231-1024x493.png\" alt=\"\" class=\"wp-image-4647\" width=\"563\" height=\"271\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-1024x493.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-300x144.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-768x370.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-830x400.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-230x111.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-350x169.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231-480x231.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-231.png 1142w\" sizes=\"(max-width: 563px) 100vw, 563px\" \/><\/figure><\/div>\n\n\n\n<ul><li>\u751f\u547d\u5468\u671f<\/li><\/ul>\n\n\n\n<p>Spring Cloud Gateway\u540czuul\u7c7b\u4f3c\uff0c\u6709\u201cpre\u201d\u548c\u201cpost\u201d\u4e24\u79cd\u65b9\u5f0f\u7684filter\u3002\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5148\u7ecf\u8fc7\u201cpre\u201d\u7c7b\u578b\u7684filter\uff0c\u7136\u540e\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u5177\u4f53\u7684\u4e1a\u52a1\u670d\u52a1\uff0c\u6bd4\u5982\u4e0a\u56fe\u4e2d\u7684user-service\uff0c\u6536\u5230\u4e1a\u52a1\u670d\u52a1\u7684\u54cd\u5e94\u4e4b\u540e\uff0c\u518d\u7ecf\u8fc7\u201cpost\u201d\u7c7b\u578b\u7684filter\u5904\u7406\uff0c\u6700\u540e\u8fd4\u56de\u54cd\u5e94\u5230\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-232-1024x1019.png\" alt=\"\" class=\"wp-image-4649\" width=\"506\" height=\"503\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-1024x1019.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-300x298.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-150x150.png 150w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-768x764.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-830x826.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-230x229.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-350x348.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232-480x478.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-232.png 1174w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e0ezuul\u4e0d\u540c\u7684\u662f\uff0cfilter\u9664\u4e86\u5206\u4e3a\u201cpre\u201d\u548c\u201cpost\u201d\u4e24\u79cd\u65b9\u5f0f\u7684filter\u5916\uff0c\u5728Spring Cloud Gateway\u4e2d\uff0cfilter\u4ece\u4f5c\u7528\u8303\u56f4\u53ef\u5206\u4e3a\u53e6\u5916\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u9488\u5bf9\u4e8e\u5355\u4e2a\u8def\u7531\u7684gateway filter\uff0c\u5b83\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u5199\u6cd5\u540cpredict\u7c7b\u4f3c\uff1b\u53e6\u5916\u4e00\u79cd\u662f\u9488\u5bf9\u4e8e\u6240\u6709\u8def\u7531\u7684global gateway filer\u3002\u73b0\u5728\u4ece\u4f5c\u7528\u8303\u56f4\u5212\u5206\u7684\u7ef4\u5ea6\u6765\u8bb2\u89e3\u8fd9\u4e24\u79cdfilter\u3002<\/p>\n\n\n\n<ul><li>gateway filter<\/li><\/ul>\n\n\n\n<p>\u8fc7\u6ee4\u5668\u5141\u8bb8\u4ee5\u67d0\u79cd\u65b9\u5f0f\u4fee\u6539\u4f20\u5165\u7684HTTP\u8bf7\u6c42\u6216\u4f20\u51fa\u7684HTTP\u54cd\u5e94\u3002\u8fc7\u6ee4\u5668\u53ef\u4ee5\u9650\u5b9a\u4f5c\u7528\u5728\u67d0\u4e9b\u7279\u5b9a\u8bf7\u6c42\u8def\u5f84\u4e0a\u3002 Spring Cloud Gateway\u5305\u542b\u8bb8\u591a\u5185\u7f6e\u7684GatewayFilter\u5de5\u5382\u3002<\/p>\n\n\n\n<p>GatewayFilter\u5de5\u5382\u540c\u4e0a\u4e00\u7bc7\u4ecb\u7ecd\u7684Predicate\u5de5\u5382\u7c7b\u4f3c\uff0c\u90fd\u662f\u5728\u914d\u7f6e\u6587\u4ef6application.yml\u4e2d\u914d\u7f6e\uff0c\u9075\u5faa\u4e86\u7ea6\u5b9a\u5927\u4e8e\u914d\u7f6e\u7684\u601d\u60f3\uff0c\u53ea\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u914d\u7f6eGatewayFilter Factory\u7684\u540d\u79f0\uff0c\u800c\u4e0d\u9700\u8981\u5199\u5168\u90e8\u7684\u7c7b\u540d\uff0c\u6bd4\u5982AddRequestHeaderGatewayFilterFactory\u53ea\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5199AddRequestHeader\uff0c\u800c\u4e0d\u662f\u5168\u90e8\u7c7b\u540d\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u7684GatewayFilter Factory\u6700\u7ec8\u90fd\u4f1a\u76f8\u5e94\u7684\u8fc7\u6ee4\u5668\u5de5\u5382\u7c7b\u5904\u7406\u3002<\/p>\n\n\n\n<p>Spring Cloud Gateway \u5185\u7f6e\u7684\u8fc7\u6ee4\u5668\u5de5\u5382\u4e00\u89c8\u8868\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-233-1024x416.png\" alt=\"\" class=\"wp-image-4651\" width=\"584\" height=\"237\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-1024x416.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-300x122.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-768x312.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-1536x623.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-2048x831.png 2048w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-830x337.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-230x93.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-350x142.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-233-480x195.png 480w\" sizes=\"(max-width: 584px) 100vw, 584px\" \/><\/figure><\/div>\n\n\n\n<p>\u73b0\u5728\u6311\u51e0\u4e2a\u5e38\u89c1\u7684\u8fc7\u6ee4\u5668\u5de5\u5382\u6765\u8bb2\u89e3\uff0c\u6bcf\u4e00\u4e2a\u8fc7\u6ee4\u5668\u5de5\u5382\u5728\u5b98\u65b9\u6587\u6863\u90fd\u7ed9\u51fa\u4e86\u8be6\u7ec6\u7684\u4f7f\u7528\u6848\u4f8b\uff0c\u5982\u679c\u4e0d\u6e05\u695a\u7684\u8fd8\u53ef\u4ee5\u5728org.springframework.cloud.gateway.filter.factory\u770b\u6bcf\u4e00\u4e2a\u8fc7\u6ee4\u5668\u5de5\u5382\u7684\u6e90\u7801\u3002<\/p>\n\n\n\n<ul><li>AddRequestHeader GatewayFilter Factory<\/li><\/ul>\n\n\n\n<p>\u521b\u5efa\u5de5\u7a0b\uff0c\u5f15\u5165\u76f8\u5173\u7684\u4f9d\u8d56,\u5305\u62ecspring boot \u7248\u672c2.0.5\uff0cspring Cloud\u7248\u672cFinchley\uff0cgateway\u4f9d\u8d56\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;dependency>\n    &lt;groupId>org.springframework.cloud&lt;\/groupId>\n    &lt;artifactId>spring-cloud-starter-gateway&lt;\/artifactId>\n&lt;\/dependency><\/pre>\n\n\n\n<p>\u5728\u5de5\u7a0b\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u52a0\u5165\u4ee5\u4e0b\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">server:\n  port: 8081\nspring:\n  profiles:\n    active: add_request_header_route\n\n---\nspring:\n  cloud:\n    gateway:\n      routes:\n      - id: add_request_header_route\n        uri: http:\/\/httpbin.org:80\/get\n        filters:\n        - AddRequestHeader=X-Request-Foo, Bar\n        predicates:\n        - After=2017-01-20T17:42:47.789-07:00[America\/Denver]\n  profiles: add_request_header_route\n<\/pre>\n\n\n\n<p>\u5728\u4e0a\u8ff0\u7684\u914d\u7f6e\u4e2d\uff0c\u5de5\u7a0b\u7684\u542f\u52a8\u7aef\u53e3\u4e3a8081\uff0c\u914d\u7f6e\u6587\u4ef6\u4e3aadd_request_header_route\uff0c\u5728add_request_header_route\u914d\u7f6e\u4e2d\uff0c\u914d\u7f6e\u4e86roter\u7684id\u4e3aadd_request_header_route\uff0c\u8def\u7531\u5730\u5740\u4e3ahttp:\/\/httpbin.org:80\/get\uff0c\u8be5router\u6709AfterPredictFactory\uff0c\u6709\u4e00\u4e2afilter\u4e3aAddRequestHeaderGatewayFilterFactory(\u7ea6\u5b9a\u5199\u6210AddRequestHeader)\uff0cAddRequestHeader\u8fc7\u6ee4\u5668\u5de5\u5382\u4f1a\u5728\u8bf7\u6c42\u5934\u52a0\u4e0a\u4e00\u5bf9\u8bf7\u6c42\u5934\uff0c\u540d\u79f0\u4e3aX-Request-Foo\uff0c\u503c\u4e3aBar\u3002\u4e3a\u4e86\u9a8c\u8bc1AddRequestHeaderGatewayFilterFactory\u662f\u600e\u4e48\u6837\u5de5\u4f5c\u7684\uff0c\u67e5\u770b\u5b83\u7684\u6e90\u7801\uff0cAddRequestHeaderGatewayFilterFactory\u7684\u6e90\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class AddRequestHeaderGatewayFilterFactory extends AbstractNameValueGatewayFilterFactory {\n\n\t@Override\n\tpublic GatewayFilter apply(NameValueConfig config) {\n\t\treturn (exchange, chain) -> {\n\t\t\tServerHttpRequest request = exchange.getRequest().mutate()\n\t\t\t\t\t.header(config.getName(), config.getValue())\n\t\t\t\t\t.build();\n\n\t\t\treturn chain.filter(exchange.mutate().request(request).build());\n\t\t};\n    }\n\n}\n<\/pre>\n\n\n\n<p>\u7531\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u77e5\uff0c\u6839\u636e\u65e7\u7684ServerHttpRequest\u521b\u5efa\u65b0\u7684 ServerHttpRequest \uff0c\u5728\u65b0\u7684ServerHttpRequest\u52a0\u4e86\u4e00\u4e2a\u8bf7\u6c42\u5934\uff0c\u7136\u540e\u521b\u5efa\u65b0\u7684 ServerWebExchange \uff0c\u63d0\u4ea4\u8fc7\u6ee4\u5668\u94fe\u7ee7\u7eed\u8fc7\u6ee4\u3002<\/p>\n\n\n\n<p>\u542f\u52a8\u5de5\u7a0b\uff0c\u901a\u8fc7curl\u547d\u4ee4\u6765\u6a21\u62df\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">curl localhost:8081\n<\/pre>\n\n\n\n<p>\u6700\u7ec8\u663e\u793a\u4e86\u4ece http:\/\/httpbin.org:80\/get\u5f97\u5230\u4e86\u8bf7\u6c42\uff0c\u54cd\u5e94\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">{\n  \"args\": {},\n  \"headers\": {\n    \"Accept\": \"*\/*\",\n    \"Connection\": \"close\",\n    \"Forwarded\": \"proto=http;host=\\\"localhost:8081\\\";for=\\\"0:0:0:0:0:0:0:1:56248\\\"\",\n    \"Host\": \"httpbin.org\",\n    \"User-Agent\": \"curl\/7.58.0\",\n    \"X-Forwarded-Host\": \"localhost:8081\",\n    \"X-Request-Foo\": \"Bar\"\n  },\n  \"origin\": \"0:0:0:0:0:0:0:1, 210.22.21.66\",\n  \"url\": \"http:\/\/localhost:8081\/get\"\n}\n<\/pre>\n\n\n\n<p>\u53ef\u4ee5\u4e0a\u9762\u7684\u54cd\u5e94\u53ef\u77e5\uff0c\u786e\u5b9e\u5728\u8bf7\u6c42\u5934\u4e2d\u52a0\u5165\u4e86X-Request-Foo\u8fd9\u6837\u7684\u4e00\u4e2a\u8bf7\u6c42\u5934\uff0c\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u7684AddRequestHeader\u8fc7\u6ee4\u5668\u5de5\u5382\u751f\u6548\u3002<\/p>\n\n\n\n<p>\u8ddfAddRequestHeader\u8fc7\u6ee4\u5668\u5de5\u5382\u7c7b\u4f3c\u7684\u8fd8\u6709AddResponseHeader\u8fc7\u6ee4\u5668\u5de5\u5382\uff0c\u5728\u6b64\u5c31\u4e0d\u518d\u91cd\u590d\u3002<\/p>\n\n\n\n<ul><li>RewritePath GatewayFilter Factory<\/li><\/ul>\n\n\n\n<p>\u5728Nginx\u670d\u52a1\u542f\u4e2d\u6709\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u529f\u80fd\u5c31\u662f\u91cd\u5199\u8def\u5f84\uff0cSpring Cloud Gateway\u9ed8\u8ba4\u4e5f\u63d0\u4f9b\u4e86\u8fd9\u6837\u7684\u529f\u80fd\uff0c\u8fd9\u4e2a\u529f\u80fd\u662fZuul\u6ca1\u6709\u7684\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u52a0\u4e0a\u4ee5\u4e0b\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">spring:\n  profiles:\n    active: rewritepath_route\n---\nspring:\n  cloud:\n    gateway:\n      routes:\n      - id: rewritepath_route\n        uri: https:\/\/blog.csdn.net\n        predicates:\n        - Path=\/foo\/**\n        filters:\n        - RewritePath=\/foo\/(?&lt;segment>.*), \/$\\{segment}\n  profiles: rewritepath_route\n<\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u914d\u7f6e\u4e2d\uff0c\u6240\u6709\u7684\/foo\/**\u5f00\u59cb\u7684\u8def\u5f84\u90fd\u4f1a\u547d\u4e2d\u914d\u7f6e\u7684router\uff0c\u5e76\u6267\u884c\u8fc7\u6ee4\u5668\u7684\u903b\u8f91\uff0c\u5728\u672c\u6848\u4f8b\u4e2d\u914d\u7f6e\u4e86RewritePath\u8fc7\u6ee4\u5668\u5de5\u5382\uff0c\u6b64\u5de5\u5382\u5c06\/foo\/(?.*)\u91cd\u5199\u4e3a{segment}\uff0c\u7136\u540e\u8f6c\u53d1\u5230https:\/\/blog.csdn.net\u3002\u6bd4\u5982\u5728\u7f51\u9875\u4e0a\u8bf7\u6c42localhost:8081\/foo\/forezp\uff0c\u6b64\u65f6\u4f1a\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230https:\/\/blog.csdn.net\/forezp\u7684\u9875\u9762\uff0c\u6bd4\u5982\u5728\u7f51\u9875\u4e0a\u8bf7\u6c42localhost:8081\/foo\/forezp\/1\uff0c\u9875\u9762\u663e\u793a404\uff0c\u5c31\u662f\u56e0\u4e3a\u4e0d\u5b58\u5728https:\/\/blog.csdn.net\/forezp\/1\u8fd9\u4e2a\u9875\u9762\u3002<\/p>\n\n\n\n<ul><li>\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668<\/li><\/ul>\n\n\n\n<p>Spring Cloud Gateway\u5185\u7f6e\u4e8619\u79cd\u5f3a\u5927\u7684\u8fc7\u6ee4\u5668\u5de5\u5382\uff0c\u80fd\u591f\u6ee1\u8db3\u5f88\u591a\u573a\u666f\u7684\u9700\u6c42\uff0c\u90a3\u4e48\u80fd\u4e0d\u80fd\u81ea\u5b9a\u4e49\u81ea\u5df1\u7684\u8fc7\u6ee4\u5668\u5462\uff0c\u5f53\u7136\u662f\u53ef\u4ee5\u7684\u3002\u5728spring Cloud Gateway\u4e2d\uff0c\u8fc7\u6ee4\u5668\u9700\u8981\u5b9e\u73b0GatewayFilter\u548cOrdered2\u4e2a\u63a5\u53e3\u3002\u5199\u4e00\u4e2aRequestTimeFilter\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class RequestTimeFilter implements GatewayFilter, Ordered {\n\n    private static final Log log = LogFactory.getLog(GatewayFilter.class);\n    private static final String REQUEST_TIME_BEGIN = \"requestTimeBegin\";\n\n    @Override\n    public Mono&lt;Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {\n\n        exchange.getAttributes().put(REQUEST_TIME_BEGIN, System.currentTimeMillis());\n        return chain.filter(exchange).then(\n                Mono.fromRunnable(() -> {\n                    Long startTime = exchange.getAttribute(REQUEST_TIME_BEGIN);\n                    if (startTime != null) {\n                        log.info(exchange.getRequest().getURI().getRawPath() + \": \" + (System.currentTimeMillis() - startTime) + \"ms\");\n                    }\n                })\n        );\n\n    }\n\n    @Override\n    public int getOrder() {\n        return 0;\n    }\n}<\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cOrdered\u4e2d\u7684int getOrder()\u65b9\u6cd5\u662f\u6765\u7ed9\u8fc7\u6ee4\u5668\u8bbe\u5b9a\u4f18\u5148\u7ea7\u522b\u7684\uff0c\u503c\u8d8a\u5927\u5219\u4f18\u5148\u7ea7\u8d8a\u4f4e\u3002\u8fd8\u6709\u6709\u4e00\u4e2afilterI(exchange,chain)\u65b9\u6cd5\uff0c\u5728\u8be5\u65b9\u6cd5\u4e2d\uff0c\u5148\u8bb0\u5f55\u4e86\u8bf7\u6c42\u7684\u5f00\u59cb\u65f6\u95f4\uff0c\u5e76\u4fdd\u5b58\u5728ServerWebExchange\u4e2d\uff0c\u6b64\u5904\u662f\u4e00\u4e2a\u201cpre\u201d\u7c7b\u578b\u7684\u8fc7\u6ee4\u5668\uff0c\u7136\u540e\u518dchain.filter\u7684\u5185\u90e8\u7c7b\u4e2d\u7684run()\u65b9\u6cd5\u4e2d\u76f8\u5f53\u4e8e\u201dpost\u201d\u8fc7\u6ee4\u5668\uff0c\u5728\u6b64\u5904\u6253\u5370\u4e86\u8bf7\u6c42\u6240\u6d88\u8017\u7684\u65f6\u95f4\u3002\u7136\u540e\u5c06\u8be5\u8fc7\u6ee4\u5668\u6ce8\u518c\u5230router\u4e2d\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> @Bean\n    public RouteLocator customerRouteLocator(RouteLocatorBuilder builder) {\n        \/\/ @formatter:off\n        return builder.routes()\n                .route(r -> r.path(\"\/customer\/**\")\n                        .filters(f -> f.filter(new RequestTimeFilter())\n                                .addResponseHeader(\"X-Response-Default-Foo\", \"Default-Bar\"))\n                        .uri(\"http:\/\/httpbin.org:80\/get\")\n                        .order(0)\n                        .id(\"customer_filter_router\")\n                )\n                .build();\n        \/\/ @formatter:on\n    }\n<\/pre>\n\n\n\n<p>\u91cd\u542f\u7a0b\u5e8f\uff0c\u901a\u8fc7curl\u547d\u4ee4\u6a21\u62df\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> curl localhost:8081\/customer\/123\n<\/pre>\n\n\n\n<p>\u5728\u7a0b\u5e8f\u7684\u63a7\u5236\u53f0\u8f93\u51fa\u4e00\u4e0b\u7684\u8bf7\u6c42\u4fe1\u606f\u7684\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">2018-11-16 15:02:20.177  INFO 20488 --- [ctor-http-nio-3] o.s.cloud.gateway.filter.GatewayFilter   : \/customer\/123: 152ms\n<\/pre>\n\n\n\n<ul><li>\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u5de5\u5382<\/li><\/ul>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u4e2d\uff0c\u6709\u6ca1\u6709\u529e\u6cd5\u81ea\u5b9a\u4e49\u8fc7\u6ee4\u5668\u5de5\u5382\u7c7b\u5462?\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u8fc7\u6ee4\u5668\u4e86\u3002\u73b0\u5728\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u8fc7\u6ee4\u5668\u5de5\u5382\uff0c\u5728\u6253\u5370\u65f6\u95f4\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u53c2\u6570\u6765\u51b3\u5b9a\u662f\u5426\u6253\u5370\u8bf7\u53c2\u6570\u3002\u67e5\u770bGatewayFilterFactory\u7684\u6e90\u7801\uff0c\u53ef\u4ee5\u53d1\u73b0GatewayFilterfactory\u7684\u5c42\u7ea7\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/12\/image-234-1024x448.png\" alt=\"\" class=\"wp-image-4655\" width=\"598\" height=\"261\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-1024x448.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-300x131.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-768x336.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-830x363.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-230x101.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-350x153.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234-480x210.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/12\/image-234.png 1194w\" sizes=\"(max-width: 598px) 100vw, 598px\" \/><\/figure><\/div>\n\n\n\n<p>\u8fc7\u6ee4\u5668\u5de5\u5382\u7684\u9876\u7ea7\u63a5\u53e3\u662fGatewayFilterFactory\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7ee7\u627f\u5b83\u7684\u4e24\u4e2a\u62bd\u8c61\u7c7b\u6765\u7b80\u5316\u5f00\u53d1AbstractGatewayFilterFactory\u548cAbstractNameValueGatewayFilterFactory\uff0c\u8fd9\u4e24\u4e2a\u62bd\u8c61\u7c7b\u7684\u533a\u522b\u5c31\u662f\u524d\u8005\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff08\u50cfStripPrefix\u548c\u6211\u4eec\u521b\u5efa\u7684\u8fd9\u79cd\uff09\uff0c\u540e\u8005\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff08\u50cfAddResponseHeader\uff09\u3002<\/p>\n\n\n\n<p>\u8fc7\u6ee4\u5668\u5de5\u5382\u7684\u9876\u7ea7\u63a5\u53e3\u662fGatewayFilterFactory\uff0c\u67092\u4e2a\u4e24\u4e2a\u8f83\u63a5\u8fd1\u5177\u4f53\u5b9e\u73b0\u7684\u62bd\u8c61\u7c7b\uff0c\u5206\u522b\u4e3aAbstractGatewayFilterFactory\u548cAbstractNameValueGatewayFilterFactory\uff0c\u8fd92\u4e2a\u7c7b\u524d\u8005\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u6bd4\u5982\u5b83\u7684\u5b9e\u73b0\u7c7bRedirectToGatewayFilterFactory\uff1b\u540e\u8005\u63a5\u65362\u4e2a\u53c2\u6570\uff0c\u6bd4\u5982\u5b83\u7684\u5b9e\u73b0\u7c7bAddRequestHeaderGatewayFilterFactory\u7c7b\u3002\u73b0\u5728\u9700\u8981\u5c06\u8bf7\u6c42\u7684\u65e5\u5fd7\u6253\u5370\u51fa\u6765\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u53c2\u6570\uff0c\u8fd9\u65f6\u53ef\u4ee5\u53c2\u7167RedirectToGatewayFilterFactory\u7684\u5199\u6cd5\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class RequestTimeGatewayFilterFactory extends AbstractGatewayFilterFactory&lt;RequestTimeGatewayFilterFactory.Config> {\n\n\n    private static final Log log = LogFactory.getLog(GatewayFilter.class);\n    private static final String REQUEST_TIME_BEGIN = \"requestTimeBegin\";\n    private static final String KEY = \"withParams\";\n\n    @Override\n    public List&lt;String> shortcutFieldOrder() {\n        return Arrays.asList(KEY);\n    }\n\n    public RequestTimeGatewayFilterFactory() {\n        super(Config.class);\n    }\n\n    @Override\n    public GatewayFilter apply(Config config) {\n        return (exchange, chain) -> {\n            exchange.getAttributes().put(REQUEST_TIME_BEGIN, System.currentTimeMillis());\n            return chain.filter(exchange).then(\n                    Mono.fromRunnable(() -> {\n                        Long startTime = exchange.getAttribute(REQUEST_TIME_BEGIN);\n                        if (startTime != null) {\n                            StringBuilder sb = new StringBuilder(exchange.getRequest().getURI().getRawPath())\n                                    .append(\": \")\n                                    .append(System.currentTimeMillis() - startTime)\n                                    .append(\"ms\");\n                            if (config.isWithParams()) {\n                                sb.append(\" params:\").append(exchange.getRequest().getQueryParams());\n                            }\n                            log.info(sb.toString());\n                        }\n                    })\n            );\n        };\n    }\n\n\n    public static class Config {\n\n        private boolean withParams;\n\n        public boolean isWithParams() {\n            return withParams;\n        }\n\n        public void setWithParams(boolean withParams) {\n            this.withParams = withParams;\n        }\n\n    }\n}<\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d apply(Config config)\u65b9\u6cd5\u5185\u521b\u5efa\u4e86\u4e00\u4e2aGatewayFilter\u7684\u533f\u540d\u7c7b\uff0c\u5177\u4f53\u7684\u5b9e\u73b0\u903b\u8f91\u8ddf\u4e4b\u524d\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u52a0\u4e86\u662f\u5426\u6253\u5370\u8bf7\u6c42\u53c2\u6570\u7684\u903b\u8f91\uff0c\u800c\u8fd9\u4e2a\u903b\u8f91\u7684\u5f00\u5173\u662fconfig.isWithParams()\u3002\u9759\u6001\u5185\u90e8\u7c7b\u7c7bConfig\u5c31\u662f\u4e3a\u4e86\u63a5\u6536\u90a3\u4e2aboolean\u7c7b\u578b\u7684\u53c2\u6570\u670d\u52a1\u7684\uff0c\u91cc\u8fb9\u7684\u53d8\u91cf\u540d\u53ef\u4ee5\u968f\u610f\u5199\uff0c\u4f46\u662f\u8981\u91cd\u5199List&nbsp;shortcutFieldOrder()\u8fd9\u4e2a\u65b9\u6cd5\u3002 \u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u7c7b\u7684\u6784\u9020\u5668\u4e2d\u4e00\u5b9a\u8981\u8c03\u7528\u4e0b\u7236\u7c7b\u7684\u6784\u9020\u5668\u628aConfig\u7c7b\u578b\u4f20\u8fc7\u53bb\uff0c\u5426\u5219\u4f1a\u62a5ClassCastException<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u9700\u8981\u5728\u5de5\u7a0b\u7684\u542f\u52a8\u6587\u4ef6Application\u7c7b\u4e2d\uff0c\u5411Srping Ioc\u5bb9\u5668\u6ce8\u518cRequestTimeGatewayFilterFactory\u7c7b\u7684Bean\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@SpringBootApplication\npublic class xxxApplication {\n\n  public static void main(String[] args) {\n    SpringApplication.run(xxxApplication.class, args);\n  }\n\n@Bean\n    public RequestTimeGatewayFilterFactory elapsedGatewayFilterFactory() {\n        return new RequestTimeGatewayFilterFactory();\n    }\n}<\/pre>\n\n\n\n<p>\u7136\u540e\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">spring:\n  profiles:\n    active: elapse_route\n\n---\nspring:\n  cloud:\n    gateway:\n      routes:\n      - id: elapse_route\n        uri: http:\/\/httpbin.org:80\/get\n        filters:\n        - RequestTime=false\n        predicates:\n        - After=2017-01-20T17:42:47.789-07:00[America\/Denver]\n  profiles: elapse_route\n<\/pre>\n\n\n\n<p>\u542f\u52a8\u5de5\u7a0b\uff0c\u5728\u6d4f\u89c8\u5668\u4e0a\u8bbf\u95eelocalhost:8081?name=forezp\uff0c\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u4e0a\u770b\u5230\uff0c\u65e5\u5fd7\u8f93\u51fa\u4e86\u8bf7\u6c42\u6d88\u8017\u7684\u65f6\u95f4\u548c\u8bf7\u6c42\u53c2\u6570\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">global filter<\/h5>\n\n\n\n<p>Spring Cloud Gateway\u6839\u636e\u4f5c\u7528\u8303\u56f4\u5212\u5206\u4e3aGatewayFilter\u548cGlobalFilter\uff0c\u4e8c\u8005\u533a\u522b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul><li>GatewayFilter : \u9700\u8981\u901a\u8fc7spring.cloud.routes.filters \u914d\u7f6e\u5728\u5177\u4f53\u8def\u7531\u4e0b\uff0c\u53ea\u4f5c\u7528\u5728\u5f53\u524d\u8def\u7531\u4e0a\u6216\u901a\u8fc7spring.cloud.default-filters\u914d\u7f6e\u5728\u5168\u5c40\uff0c\u4f5c\u7528\u5728\u6240\u6709\u8def\u7531\u4e0a<\/li><li>GlobalFilter : \u5168\u5c40\u8fc7\u6ee4\u5668\uff0c\u4e0d\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\uff0c\u4f5c\u7528\u5728\u6240\u6709\u7684\u8def\u7531\u4e0a\uff0c\u6700\u7ec8\u901a\u8fc7GatewayFilterAdapter\u5305\u88c5\u6210GatewayFilterChain\u53ef\u8bc6\u522b\u7684\u8fc7\u6ee4\u5668\uff0c\u5b83\u4e3a\u8bf7\u6c42\u4e1a\u52a1\u4ee5\u53ca\u8def\u7531\u7684URI\u8f6c\u6362\u4e3a\u771f\u5b9e\u4e1a\u52a1\u670d\u52a1\u7684\u8bf7\u6c42\u5730\u5740\u7684\u6838\u5fc3\u8fc7\u6ee4\u5668\uff0c\u4e0d\u9700\u8981\u914d\u7f6e\uff0c\u7cfb\u7edf\u521d\u59cb\u5316\u65f6\u52a0\u8f7d\uff0c\u5e76\u4f5c\u7528\u5728\u6bcf\u4e2a\u8def\u7531\u4e0a\u3002<\/li><\/ul>\n\n\n\n<p>Spring Cloud Gateway\u6846\u67b6\u5185\u7f6e\u7684GlobalFilter\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u4e0a\u56fe\u4e2d\u6bcf\u4e00\u4e2aGlobalFilter\u90fd\u4f5c\u7528\u5728\u6bcf\u4e00\u4e2arouter\u4e0a\uff0c\u80fd\u591f\u6ee1\u8db3\u5927\u591a\u6570\u7684\u9700\u6c42\u3002\u4f46\u662f\u5982\u679c\u9047\u5230\u4e1a\u52a1\u4e0a\u7684\u5b9a\u5236\uff0c\u53ef\u80fd\u9700\u8981\u7f16\u5199\u6ee1\u8db3\u81ea\u5df1\u9700\u6c42\u7684GlobalFilter\u3002\u5728\u4e0b\u9762\u7684\u6848\u4f8b\u4e2d\u5c06\u8bb2\u8ff0\u5982\u4f55\u7f16\u5199\u81ea\u5df1GlobalFilter\uff0c\u8be5GlobalFilter\u4f1a\u6821\u9a8c\u8bf7\u6c42\u4e2d\u662f\u5426\u5305\u542b\u4e86\u8bf7\u6c42\u53c2\u6570\u201ctoken\u201d\uff0c\u5982\u4f55\u4e0d\u5305\u542b\u8bf7\u6c42\u53c2\u6570\u201ctoken\u201d\u5219\u4e0d\u8f6c\u53d1\u8def\u7531\uff0c\u5426\u5219\u6267\u884c\u6b63\u5e38\u7684\u903b\u8f91\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class TokenFilter implements GlobalFilter, Ordered {\n\n    Logger logger=LoggerFactory.getLogger( TokenFilter.class );\n    @Override\n    public Mono&lt;Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {\n        String token = exchange.getRequest().getQueryParams().getFirst(\"token\");\n        if (token == null || token.isEmpty()) {\n            logger.info( \"token is empty...\" );\n            exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);\n            return exchange.getResponse().setComplete();\n        }\n        return chain.filter(exchange);\n    }\n\n    @Override\n    public int getOrder() {\n        return -100;\n    }\n}<\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684TokenFilter\u9700\u8981\u5b9e\u73b0GlobalFilter\u548cOrdered\u63a5\u53e3\uff0c\u8fd9\u548c\u5b9e\u73b0GatewayFilter\u5f88\u7c7b\u4f3c\u3002\u7136\u540e\u6839\u636eServerWebExchange\u83b7\u53d6ServerHttpRequest\uff0c\u7136\u540e\u6839\u636eServerHttpRequest\u4e2d\u662f\u5426\u542b\u6709\u53c2\u6570token\uff0c\u5982\u679c\u6ca1\u6709\u5219\u5b8c\u6210\u8bf7\u6c42\uff0c\u7ec8\u6b62\u8f6c\u53d1\uff0c\u5426\u5219\u6267\u884c\u6b63\u5e38\u7684\u903b\u8f91\u3002<\/p>\n\n\n\n<p>\u7136\u540e\u9700\u8981\u5c06TokenFilter\u5728\u5de5\u7a0b\u7684\u542f\u52a8\u7c7b\u4e2d\u6ce8\u5165\u5230Spring Ioc\u5bb9\u5668\u4e2d\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\n@SpringBootApplication\npublic class xxxApplication {\n\n  public static void main(String[] args) {\n    SpringApplication.run(xxxApplication.class, args);\n  }\n\n@Bean\npublic TokenFilter tokenFilter(){\n        return new TokenFilter();\n}\n}\n<\/pre>\n\n\n\n<p>\u542f\u52a8\u5de5\u7a0b\uff0c\u4f7f\u7528curl\u547d\u4ee4\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> curl localhost:8081\/customer\/123\n<\/pre>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u8bf7\u6ca1\u6709\u88ab\u8f6c\u53d1\uff0c\u8bf7\u6c42\u88ab\u7ec8\u6b62\uff0c\u5e76\u5728\u63a7\u5236\u53f0\u6253\u5370\u4e86\u5982\u4e0b\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">2018-11-16 15:30:13.543  INFO 19372 --- [ctor-http-nio-2] gateway.TokenFilter                      : token is empty...\n<\/pre>\n\n\n\n<p>\u4e0a\u9762\u7684\u65e5\u5fd7\u663e\u793a\u4e86\u8bf7\u6c42\u8fdb\u5165\u4e86\u6ca1\u6709\u4f20\u201ctoken\u201d\u7684\u903b\u8f91\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u5173\u662f\u600e\u4e48\u6f14\u5316\u6765\u7684 \u5355\u4f53\u5e94\u7528\u62c6\u5206\u6210\u591a\u4e2a\u670d\u52a1\u540e\uff0c\u5bf9\u5916\u9700\u8981\u4e00\u4e2a\u7edf\u4e00\u5165\u53e3\uff0c\u89e3\u8026\u5ba2\u6237\u7aef\u4e0e\u5185\u90e8\u670d\u52a1\u3002 \u7f51\u5173\u7684\u57fa\u672c\u529f\u80fd \u7f51 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/4618"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4618"}],"version-history":[{"count":28,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/4618\/revisions"}],"predecessor-version":[{"id":4659,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/4618\/revisions\/4659"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}