{"id":3096,"date":"2020-10-26T11:27:53","date_gmt":"2020-10-26T03:27:53","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=3096"},"modified":"2020-10-26T11:28:20","modified_gmt":"2020-10-26T03:28:20","slug":"spring-cloud-%e5%85%a5%e9%97%a8%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=3096","title":{"rendered":"Spring Cloud \u5165\u95e8\u603b\u7ed3"},"content":{"rendered":"<h1><\/h1>\n<p>\u9996\u5148\u6211\u7ed9\u5927\u5bb6\u770b\u4e00\u5f20\u56fe\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u8fd9\u5f20\u56fe\u6709\u4e9b\u5730\u65b9\u4e0d\u592a\u7406\u89e3\u7684\u8bdd\uff0c\u6211\u5e0c\u671b\u4f60\u4eec\u770b\u5b8c\u6211\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u604d\u7136\u5927\u609f\u3002<\/p>\n<p><img decoding=\"async\" src=\".\/springcloud\u603b\u7ed3_media\/001.png\" alt=\"\" \/><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/001.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3097\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/001.png\" alt=\"001\" width=\"999\" height=\"570\" \/><\/a><\/p>\n<p>\u603b\u4f53\u67b6\u6784<\/p>\n<h2>\u4ec0\u4e48\u662fSpring cloud<\/h2>\n<blockquote><p>\u6784\u5efa\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e0d\u9700\u8981\u590d\u6742\u548c\u5bb9\u6613\u51fa\u9519\u3002Spring Cloud \u4e3a\u6700\u5e38\u89c1\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u4e14\u6613\u4e8e\u63a5\u53d7\u7684\u7f16\u7a0b\u6a21\u578b\uff0c\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u6784\u5efa\u6709\u5f39\u6027\u7684\u3001\u53ef\u9760\u7684\u3001\u534f\u8c03\u7684\u5e94\u7528\u7a0b\u5e8f\u3002Spring Cloud \u6784\u5efa\u4e8e Spring Boot \u4e4b\u4e0a\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u5f88\u5bb9\u6613\u5165\u624b\u5e76\u5feb\u901f\u5e94\u7528\u4e8e\u751f\u4ea7\u4e2d\u3002<\/p><\/blockquote>\n<p>\u5b98\u65b9\u679c\u7136\u5b98\u65b9\uff0c\u4ecb\u7ecd\u90fd\u8fd9\u4e48\u6709\u677f\u6709\u773c\u7684\u3002<\/p>\n<p>\u6211\u6240\u7406\u89e3\u7684 <code>Spring Cloud<\/code> \u5c31\u662f\u5fae\u670d\u52a1\u7cfb\u7edf\u67b6\u6784\u7684\u4e00\u7ad9\u5f0f\u89e3\u51b3\u65b9\u6848\uff0c\u5728\u5e73\u65f6\u6211\u4eec\u6784\u5efa\u5fae\u670d\u52a1\u7684\u8fc7\u7a0b\u4e2d\u9700\u8981\u505a\u5982 <strong>\u670d\u52a1\u53d1\u73b0\u6ce8\u518c<\/strong> \u3001<strong>\u914d\u7f6e\u4e2d\u5fc3<\/strong> \u3001<strong>\u6d88\u606f\u603b\u7ebf<\/strong> \u3001<strong>\u8d1f\u8f7d\u5747\u8861<\/strong> \u3001<strong>\u65ad\u8def\u5668<\/strong> \u3001<strong>\u6570\u636e\u76d1\u63a7<\/strong> \u7b49\u64cd\u4f5c\uff0c\u800c Spring Cloud \u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u5957\u7b80\u6613\u7684\u7f16\u7a0b\u6a21\u578b\uff0c\u4f7f\u6211\u4eec\u80fd\u5728 Spring Boot \u7684\u57fa\u7840\u4e0a\u8f7b\u677e\u5730\u5b9e\u73b0\u5fae\u670d\u52a1\u9879\u76ee\u7684\u6784\u5efa\u3002<\/p>\n<h2>Spring Cloud \u7684\u7248\u672c<\/h2>\n<p>\u5f53\u7136\u8fd9\u4e2a\u53ea\u662f\u4e2a\u9898\u5916\u8bdd\u3002<\/p>\n<p>Spring Cloud \u7684\u7248\u672c\u53f7\u5e76\u4e0d\u662f\u6211\u4eec\u901a\u5e38\u89c1\u7684\u6570\u5b57\u7248\u672c\u53f7\uff0c\u800c\u662f\u4e00\u4e9b\u5f88\u5947\u602a\u7684\u5355\u8bcd\u3002\u8fd9\u4e9b\u5355\u8bcd\u5747\u4e3a\u82f1\u56fd\u4f26\u6566\u5730\u94c1\u7ad9\u7684\u7ad9\u540d\u3002\u540c\u65f6\u6839\u636e\u5b57\u6bcd\u8868\u7684\u987a\u5e8f\u6765\u5bf9\u5e94\u7248\u672c\u65f6\u95f4\u987a\u5e8f\uff0c\u6bd4\u5982\uff1a\u6700\u65e9 \u7684 Release \u7248\u672c Angel\uff0c\u7b2c\u4e8c\u4e2a Release \u7248\u672c Brixton\uff08\u82f1\u56fd\u5730\u540d\uff09\uff0c\u7136\u540e\u662f Camden\u3001 Dalston\u3001Edgware\u3001Finchley\u3001Greenwich\u3001Hoxton\u3002<\/p>\n<h2>Spring Cloud \u7684\u670d\u52a1\u53d1\u73b0\u6846\u67b6\u2014\u2014Eureka<\/h2>\n<blockquote><p>Eureka\u662f\u57fa\u4e8eREST\uff08\u4ee3\u8868\u6027\u72b6\u6001\u8f6c\u79fb\uff09\u7684\u670d\u52a1\uff0c\u4e3b\u8981\u5728AWS\u4e91\u4e2d\u7528\u4e8e\u5b9a\u4f4d\u670d\u52a1\uff0c\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u4e2d\u95f4\u5c42\u670d\u52a1\u5668\u7684\u6545\u969c\u8f6c\u79fb\u3002\u6211\u4eec\u79f0\u6b64\u670d\u52a1\u4e3aEureka\u670d\u52a1\u5668\u3002Eureka\u8fd8\u5e26\u6709\u4e00\u4e2a\u57fa\u4e8eJava\u7684\u5ba2\u6237\u7aef\u7ec4\u4ef6Eureka Client\uff0c\u5b83\u4f7f\u4e0e\u670d\u52a1\u7684\u4ea4\u4e92\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u5ba2\u6237\u7aef\u8fd8\u5177\u6709\u4e00\u4e2a\u5185\u7f6e\u7684\u8d1f\u8f7d\u5e73\u8861\u5668\uff0c\u53ef\u4ee5\u6267\u884c\u57fa\u672c\u7684\u5faa\u73af\u8d1f\u8f7d\u5e73\u8861\u3002\u5728Netflix\uff0c\u66f4\u590d\u6742\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u5c06Eureka\u5305\u88c5\u8d77\u6765\uff0c\u4ee5\u57fa\u4e8e\u6d41\u91cf\uff0c\u8d44\u6e90\u4f7f\u7528\uff0c\u9519\u8bef\u6761\u4ef6\u7b49\u591a\u79cd\u56e0\u7d20\u63d0\u4f9b\u52a0\u6743\u8d1f\u8f7d\u5747\u8861\uff0c\u4ee5\u63d0\u4f9b\u51fa\u8272\u7684\u5f39\u6027\u3002<\/p><\/blockquote>\n<p>\u603b\u7684\u6765\u8bf4\uff0c<code>Eureka<\/code> \u5c31\u662f\u4e00\u4e2a\u670d\u52a1\u53d1\u73b0\u6846\u67b6\u3002\u4f55\u4e3a\u670d\u52a1\uff0c\u4f55\u53c8\u4e3a\u53d1\u73b0\u5462\uff1f<\/p>\n<p>\u4e3e\u4e00\u4e2a\u751f\u6d3b\u4e2d\u7684\u4f8b\u5b50\uff0c\u5c31\u6bd4\u5982\u6211\u4eec\u5e73\u65f6\u79df\u623f\u5b50\u627e\u4e2d\u4ecb\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u5728\u6ca1\u6709\u4e2d\u4ecb\u7684\u65f6\u5019\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u4e00\u4e2a\u53bb\u5bfb\u627e\u662f\u5426\u6709\u623f\u5c4b\u8981\u51fa\u79df\u7684\u623f\u4e1c\uff0c\u8fd9\u663e\u7136\u4f1a\u975e\u5e38\u7684\u8d39\u529b\uff0c\u4e00\u4f60\u627e\u51ed\u4e00\u4e2a\u4eba\u7684\u80fd\u529b\u662f\u627e\u4e0d\u5230\u5f88\u591a\u623f\u6e90\u4f9b\u4f60\u9009\u62e9\uff0c\u518d\u8005\u4f60\u4e5f\u61d2\u5f97\u8fd9\u4e48\u627e\u4e0b\u53bb(\u627e\u4e86\u8fd9\u4e48\u4e45\uff0c\u6ca1\u6709\u5408\u9002\u7684\u53ea\u80fd\u5c06\u5c31)\u3002<strong>\u8fd9\u91cc\u7684\u6211\u4eec\u5c31\u76f8\u5f53\u4e8e\u5fae\u670d\u52a1\u4e2d\u7684 <code>Consumer<\/code> \uff0c\u800c\u90a3\u4e9b\u623f\u4e1c\u5c31\u76f8\u5f53\u4e8e\u5fae\u670d\u52a1\u4e2d\u7684 <code>Provider<\/code> \u3002\u6d88\u8d39\u8005 <code>Consumer<\/code> \u9700\u8981\u8c03\u7528\u63d0\u4f9b\u8005 <code>Provider<\/code> \u63d0\u4f9b\u7684\u4e00\u4e9b\u670d\u52a1\uff0c\u5c31\u50cf\u6211\u4eec\u73b0\u5728\u9700\u8981\u79df\u4ed6\u4eec\u7684\u623f\u5b50\u4e00\u6837\u3002<\/strong><\/p>\n<p>\u4f46\u662f\u5982\u679c\u53ea\u662f\u79df\u5ba2\u548c\u623f\u4e1c\u4e4b\u95f4\u8fdb\u884c\u5bfb\u627e\u7684\u8bdd\uff0c\u4ed6\u4eec\u7684\u6548\u7387\u662f\u5f88\u4f4e\u7684\uff0c\u623f\u4e1c\u627e\u4e0d\u5230\u79df\u5ba2\u8d5a\u4e0d\u5230\u94b1\uff0c\u79df\u5ba2\u627e\u4e0d\u5230\u623f\u4e1c\u4f4f\u4e0d\u4e86\u623f\u3002\u6240\u4ee5\uff0c\u540e\u6765\u623f\u4e1c\u80af\u5b9a\u5c31\u60f3\u5230\u4e86\u5e7f\u64ad\u81ea\u5df1\u7684\u623f\u6e90\u4fe1\u606f(\u6bd4\u5982\u5728\u8857\u8fb9\u8d34\u8d34\u5c0f\u5e7f\u544a)\uff0c\u8fd9\u6837\u5bf9\u4e8e\u623f\u4e1c\u6765\u8bf4\u5df2\u7ecf\u5b8c\u6210\u4ed6\u7684\u4efb\u52a1(\u5c06\u623f\u6e90\u516c\u5e03\u51fa\u53bb)\uff0c\u4f46\u662f\u6709\u4e24\u4e2a\u95ee\u9898\u5c31\u51fa\u73b0\u4e86\u3002\u7b2c\u4e00\u3001\u5176\u4ed6\u4e0d\u662f\u79df\u5ba2\u7684\u90fd\u80fd\u6536\u5230\u8fd9\u79cd\u79df\u623f\u6d88\u606f\uff0c\u8fd9\u5728\u73b0\u5b9e\u4e16\u754c\u6ca1\u4ec0\u4e48\uff0c\u4f46\u662f\u5728\u8ba1\u7b97\u673a\u7684\u4e16\u754c\u4e2d\u5c31\u4f1a\u51fa\u73b0<strong>\u8d44\u6e90\u6d88\u8017<\/strong>\u7684\u95ee\u9898\u4e86\u3002\u7b2c\u4e8c\u3001\u79df\u5ba2\u8fd9\u6837\u8fd8\u662f\u5f88\u96be\u627e\u5230\u4f60\uff0c\u8bd5\u60f3\u4e00\u4e0b\u6211\u9700\u8981\u79df\u623f\uff0c\u6211\u8fd8\u9700\u8981\u4e1c\u4e00\u4e2a\u897f\u4e00\u4e2a\u5730\u53bb\u627e\u8857\u8fb9\u5c0f\u5e7f\u544a\uff0c\u9ebb\u4e0d\u9ebb\u70e6\uff1f<\/p>\n<p>\u90a3\u600e\u4e48\u529e\u5462\uff1f\u6211\u4eec\u5f53\u7136\u4e0d\u4f1a\u90a3\u4e48\u50bb\u4e4e\u4e4e\u7684\uff0c\u7b2c\u4e00\u65f6\u95f4\u5c31\u662f\u53bb\u627e <strong>\u4e2d\u4ecb<\/strong> \u5440\uff0c\u5b83\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u7edf\u4e00\u623f\u6e90\u7684\u5730\u65b9\uff0c\u6211\u4eec\u6d88\u8d39\u8005\u53ea\u9700\u8981\u8dd1\u5230\u5b83\u90a3\u91cc\u53bb\u627e\u5c31\u884c\u4e86\u3002\u800c\u5bf9\u4e8e\u623f\u4e1c\u6765\u8bf4\uff0c\u4ed6\u4eec\u4e5f\u53ea\u9700\u8981\u628a\u623f\u6e90\u5728\u4e2d\u4ecb\u90a3\u91cc\u53d1\u5e03\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u90a3\u4e48\u73b0\u5728\uff0c\u6211\u4eec\u7684\u6a21\u5f0f\u5c31\u662f\u8fd9\u6837\u7684\u4e86\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/002.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3098\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/002.png\" alt=\"002\" width=\"809\" height=\"353\" \/><\/a><\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u4e2a\u65f6\u5019\u8fd8\u4f1a\u51fa\u73b0\u4e00\u4e9b\u95ee\u9898\u3002<\/p>\n<ol>\n<li>\u623f\u4e1c\u6ce8\u518c\u4e4b\u540e\u5982\u679c\u4e0d\u60f3\u5356\u623f\u5b50\u4e86\u600e\u4e48\u529e\uff1f\u6211\u4eec\u662f\u4e0d\u662f\u9700\u8981\u8ba9\u623f\u4e1c<strong>\u5b9a\u671f\u7eed\u7ea6<\/strong>\uff1f\u5982\u679c\u623f\u4e1c\u4e0d\u8fdb\u884c\u7eed\u7ea6\u662f\u4e0d\u662f\u8981\u5c06\u4ed6\u4eec\u4ece\u4e2d\u4ecb\u90a3\u91cc\u7684\u6ce8\u518c\u5217\u8868\u4e2d<strong>\u79fb\u9664<\/strong>\u3002<\/li>\n<li>\u79df\u5ba2\u662f\u4e0d\u662f\u4e5f\u8981\u8fdb\u884c<strong>\u6ce8\u518c<\/strong>\u5462\uff1f\u4e0d\u7136\u5408\u540c\u4e59\u65b9\u600e\u4e48\u6765\u5462\uff1f<\/li>\n<li>\u4e2d\u4ecb\u53ef\u4e0d\u53ef\u4ee5\u505a<strong>\u8fde\u9501\u5e97<\/strong>\u5462\uff1f\u5982\u679c\u8fd9\u4e00\u4e2a\u5e97\u56e0\u4e3a\u67d0\u4e9b\u4e0d\u53ef\u6297\u529b\u56e0\u7d20\u800c\u65e0\u6cd5\u4f7f\u7528\uff0c\u90a3\u4e48\u6211\u4eec\u662f\u5426\u53ef\u4ee5\u6362\u4e00\u4e2a\u8fde\u9501\u5e97\u5462\uff1f<\/li>\n<\/ol>\n<p>\u9488\u5bf9\u4e0a\u9762\u7684\u95ee\u9898\u6211\u4eec\u6765\u91cd\u65b0\u6784\u5efa\u4e00\u4e0b\u4e0a\u9762\u7684\u6a21\u5f0f\u56fe<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/003.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3099\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/003.png\" alt=\"003\" width=\"737\" height=\"432\" \/><\/a><\/p>\n<p>\u597d\u4e86\uff0c\u4e3e\u5b8c\u8fd9\u4e2a\u6211\u4eec\u5c31\u53ef\u4ee5\u6765\u770b\u5173\u4e8e <code>Eureka<\/code> \u7684\u4e00\u4e9b\u57fa\u7840\u6982\u5ff5\u4e86\uff0c\u4f60\u4f1a\u53d1\u73b0\u8fd9\u4e1c\u897f\u7406\u89e3\u8d77\u6765\u600e\u4e48\u8fd9\u4e48\u7b80\u5355\u3002<\/p>\n<p><strong>\u670d\u52a1\u53d1\u73b0<\/strong>\uff1a\u5176\u5b9e\u5c31\u662f\u4e00\u4e2a\u201c\u4e2d\u4ecb\u201d\uff0c\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u6709\u4e09\u4e2a\u89d2\u8272\uff1a<strong>\u670d\u52a1\u63d0\u4f9b\u8005(\u51fa\u79df\u623f\u5b50\u7684)\u3001\u670d\u52a1\u6d88\u8d39\u8005(\u79df\u5ba2)\u3001\u670d\u52a1\u4e2d\u4ecb(\u623f\u5c4b\u4e2d\u4ecb)<\/strong>\u3002<\/p>\n<p><strong>\u670d\u52a1\u63d0\u4f9b\u8005<\/strong>\uff1a \u5c31\u662f\u63d0\u4f9b\u4e00\u4e9b\u81ea\u5df1\u80fd\u591f\u6267\u884c\u7684\u4e00\u4e9b\u670d\u52a1\u7ed9\u5916\u754c\u3002<\/p>\n<p><strong>\u670d\u52a1\u6d88\u8d39\u8005<\/strong>\uff1a \u5c31\u662f\u9700\u8981\u4f7f\u7528\u4e00\u4e9b\u670d\u52a1\u7684\u201c\u7528\u6237\u201d\u3002<\/p>\n<p><strong>\u670d\u52a1\u4e2d\u4ecb<\/strong>\uff1a \u5176\u5b9e\u5c31\u662f\u670d\u52a1\u63d0\u4f9b\u8005\u548c\u670d\u52a1\u6d88\u8d39\u8005\u4e4b\u95f4\u7684\u201c\u6865\u6881\u201d\uff0c\u670d\u52a1\u63d0\u4f9b\u8005\u53ef\u4ee5\u628a\u81ea\u5df1\u6ce8\u518c\u5230\u670d\u52a1\u4e2d\u4ecb\u90a3\u91cc\uff0c\u800c\u670d\u52a1\u6d88\u8d39\u8005\u5982\u9700\u8981\u6d88\u8d39\u4e00\u4e9b\u670d\u52a1(\u4f7f\u7528\u4e00\u4e9b\u529f\u80fd)\u5c31\u53ef\u4ee5\u5728\u670d\u52a1\u4e2d\u4ecb\u4e2d\u5bfb\u627e\u6ce8\u518c\u5728\u670d\u52a1\u4e2d\u4ecb\u7684\u670d\u52a1\u63d0\u4f9b\u8005\u3002<\/p>\n<p><strong>\u670d\u52a1\u6ce8\u518c Register<\/strong>\uff1a<\/p>\n<p>\u5b98\u65b9\u89e3\u91ca\uff1a\u5f53 <code>Eureka<\/code> \u5ba2\u6237\u7aef\u5411 <code>Eureka Server<\/code> \u6ce8\u518c\u65f6\uff0c\u5b83\u63d0\u4f9b\u81ea\u8eab\u7684<strong>\u5143\u6570\u636e<\/strong>\uff0c\u6bd4\u5982IP\u5730\u5740\u3001\u7aef\u53e3\uff0c\u8fd0\u884c\u72b6\u51b5\u6307\u793a\u7b26URL\uff0c\u4e3b\u9875\u7b49\u3002<\/p>\n<p>\u7ed3\u5408\u4e2d\u4ecb\u7406\u89e3\uff1a\u623f\u4e1c (\u63d0\u4f9b\u8005 <code>Eureka Client Provider<\/code>)\u5728\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u90a3\u91cc\u767b\u8bb0\u623f\u5c4b\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u9762\u79ef\uff0c\u4ef7\u683c\uff0c\u5730\u6bb5\u7b49\u7b49(\u5143\u6570\u636e <code>metaData<\/code>)\u3002<\/p>\n<p><strong>\u670d\u52a1\u7eed\u7ea6 Renew<\/strong>\uff1a<\/p>\n<p>\u5b98\u65b9\u89e3\u91ca\uff1a<strong><code>Eureka<\/code> \u5ba2\u6237\u4f1a\u6bcf\u969430\u79d2(\u9ed8\u8ba4\u60c5\u51b5\u4e0b)\u53d1\u9001\u4e00\u6b21\u5fc3\u8df3\u6765\u7eed\u7ea6<\/strong>\u3002 \u901a\u8fc7\u7eed\u7ea6\u6765\u544a\u77e5 <code>Eureka Server<\/code> \u8be5 <code>Eureka<\/code> \u5ba2\u6237\u4ecd\u7136\u5b58\u5728\uff0c\u6ca1\u6709\u51fa\u73b0\u95ee\u9898\u3002 \u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5982\u679c <code>Eureka Server<\/code> \u572890\u79d2\u6ca1\u6709\u6536\u5230 <code>Eureka<\/code> \u5ba2\u6237\u7684\u7eed\u7ea6\uff0c\u5b83\u4f1a\u5c06\u5b9e\u4f8b\u4ece\u5176\u6ce8\u518c\u8868\u4e2d\u5220\u9664\u3002<\/p>\n<p>\u7ed3\u5408\u4e2d\u4ecb\u7406\u89e3\uff1a\u623f\u4e1c (\u63d0\u4f9b\u8005 <code>Eureka Client Provider<\/code>) \u5b9a\u671f\u544a\u8bc9\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u6211\u7684\u623f\u5b50\u8fd8\u79df(\u7eed\u7ea6) \uff0c\u4e2d\u4ecb (\u670d\u52a1\u5668<code>Eureka Server<\/code>) \u6536\u5230\u4e4b\u540e\u7ee7\u7eed\u4fdd\u7559\u623f\u5c4b\u7684\u4fe1\u606f\u3002<\/p>\n<p><strong>\u83b7\u53d6\u6ce8\u518c\u5217\u8868\u4fe1\u606f Fetch Registries<\/strong>\uff1a<\/p>\n<p>\u5b98\u65b9\u89e3\u91ca\uff1a<code>Eureka<\/code> \u5ba2\u6237\u7aef\u4ece\u670d\u52a1\u5668\u83b7\u53d6\u6ce8\u518c\u8868\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u7f13\u5b58\u5728\u672c\u5730\u3002\u5ba2\u6237\u7aef\u4f1a\u4f7f\u7528\u8be5\u4fe1\u606f\u67e5\u627e\u5176\u4ed6\u670d\u52a1\uff0c\u4ece\u800c\u8fdb\u884c\u8fdc\u7a0b\u8c03\u7528\u3002\u8be5\u6ce8\u518c\u5217\u8868\u4fe1\u606f\u5b9a\u671f\uff08\u6bcf30\u79d2\u949f\uff09\u66f4\u65b0\u4e00\u6b21\u3002\u6bcf\u6b21\u8fd4\u56de\u6ce8\u518c\u5217\u8868\u4fe1\u606f\u53ef\u80fd\u4e0e <code>Eureka<\/code> \u5ba2\u6237\u7aef\u7684\u7f13\u5b58\u4fe1\u606f\u4e0d\u540c, <code>Eureka<\/code> \u5ba2\u6237\u7aef\u81ea\u52a8\u5904\u7406\u3002\u5982\u679c\u7531\u4e8e\u67d0\u79cd\u539f\u56e0\u5bfc\u81f4\u6ce8\u518c\u5217\u8868\u4fe1\u606f\u4e0d\u80fd\u53ca\u65f6\u5339\u914d\uff0c<code>Eureka<\/code> \u5ba2\u6237\u7aef\u5219\u4f1a\u91cd\u65b0\u83b7\u53d6\u6574\u4e2a\u6ce8\u518c\u8868\u4fe1\u606f\u3002 <code>Eureka<\/code> \u670d\u52a1\u5668\u7f13\u5b58\u6ce8\u518c\u5217\u8868\u4fe1\u606f\uff0c\u6574\u4e2a\u6ce8\u518c\u8868\u4ee5\u53ca\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u4fe1\u606f\u8fdb\u884c\u4e86\u538b\u7f29\uff0c\u538b\u7f29\u5185\u5bb9\u548c\u6ca1\u6709\u538b\u7f29\u7684\u5185\u5bb9\u5b8c\u5168\u76f8\u540c\u3002<code>Eureka<\/code> \u5ba2\u6237\u7aef\u548c <code>Eureka<\/code> \u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528JSON \/ XML\u683c\u5f0f\u8fdb\u884c\u901a\u8baf\u3002\u5728\u9ed8\u8ba4\u7684\u60c5\u51b5\u4e0b <code>Eureka<\/code> \u5ba2\u6237\u7aef\u4f7f\u7528\u538b\u7f29 <code>JSON<\/code> \u683c\u5f0f\u6765\u83b7\u53d6\u6ce8\u518c\u5217\u8868\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u7ed3\u5408\u4e2d\u4ecb\u7406\u89e3\uff1a\u79df\u5ba2(\u6d88\u8d39\u8005 <code>Eureka Client Consumer<\/code>) \u53bb\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u90a3\u91cc\u83b7\u53d6\u6240\u6709\u7684\u623f\u5c4b\u4fe1\u606f\u5217\u8868 (\u5ba2\u6237\u7aef\u5217\u8868 <code>Eureka Client List<\/code>) \uff0c\u800c\u4e14\u79df\u5ba2\u4e3a\u4e86\u83b7\u53d6\u6700\u65b0\u7684\u4fe1\u606f\u4f1a\u5b9a\u671f\u5411\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u90a3\u91cc\u83b7\u53d6\u5e76\u66f4\u65b0\u672c\u5730\u5217\u8868\u3002<\/p>\n<p><strong>\u670d\u52a1\u4e0b\u7ebf Cancel<\/strong>\uff1a<\/p>\n<p>\u5b98\u65b9\u89e3\u91ca\uff1aEureka\u5ba2\u6237\u7aef\u5728\u7a0b\u5e8f\u5173\u95ed\u65f6\u5411Eureka\u670d\u52a1\u5668\u53d1\u9001\u53d6\u6d88\u8bf7\u6c42\u3002 \u53d1\u9001\u8bf7\u6c42\u540e\uff0c\u8be5\u5ba2\u6237\u7aef\u5b9e\u4f8b\u4fe1\u606f\u5c06\u4ece\u670d\u52a1\u5668\u7684\u5b9e\u4f8b\u6ce8\u518c\u8868\u4e2d\u5220\u9664\u3002\u8be5\u4e0b\u7ebf\u8bf7\u6c42\u4e0d\u4f1a\u81ea\u52a8\u5b8c\u6210\uff0c\u5b83\u9700\u8981\u8c03\u7528\u4ee5\u4e0b\u5185\u5bb9\uff1a<code>DiscoveryManager.getInstance().shutdownComponent();<\/code><\/p>\n<p>\u7ed3\u5408\u4e2d\u4ecb\u7406\u89e3\uff1a\u623f\u4e1c (\u63d0\u4f9b\u8005 <code>Eureka Client Provider<\/code>) \u544a\u8bc9\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u6211\u7684\u623f\u5b50\u4e0d\u79df\u4e86\uff0c\u4e2d\u4ecb\u4e4b\u540e\u5c31\u5c06\u6ce8\u518c\u7684\u623f\u5c4b\u4fe1\u606f\u4ece\u5217\u8868\u4e2d\u5254\u9664\u3002<\/p>\n<p><strong>\u670d\u52a1\u5254\u9664 Eviction<\/strong>\uff1a<\/p>\n<p>\u5b98\u65b9\u89e3\u91ca\uff1a\u5728\u9ed8\u8ba4\u7684\u60c5\u51b5\u4e0b\uff0c<strong>\u5f53Eureka\u5ba2\u6237\u7aef\u8fde\u7eed90\u79d2(3\u4e2a\u7eed\u7ea6\u5468\u671f)\u6ca1\u6709\u5411Eureka\u670d\u52a1\u5668\u53d1\u9001\u670d\u52a1\u7eed\u7ea6\uff0c\u5373\u5fc3\u8df3\uff0cEureka\u670d\u52a1\u5668\u4f1a\u5c06\u8be5\u670d\u52a1\u5b9e\u4f8b\u4ece\u670d\u52a1\u6ce8\u518c\u5217\u8868\u5220\u9664<\/strong>\uff0c\u5373\u670d\u52a1\u5254\u9664\u3002<\/p>\n<p>\u7ed3\u5408\u4e2d\u4ecb\u7406\u89e3\uff1a\u623f\u4e1c(\u63d0\u4f9b\u8005 <code>Eureka Client Provider<\/code>) \u4f1a\u5b9a\u671f\u8054\u7cfb \u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u544a\u8bc9\u4ed6\u6211\u7684\u623f\u5b50\u8fd8\u79df(\u7eed\u7ea6)\uff0c\u5982\u679c\u4e2d\u4ecb (\u670d\u52a1\u5668 <code>Eureka Server<\/code>) \u957f\u65f6\u95f4\u6ca1\u6536\u5230\u63d0\u4f9b\u8005\u7684\u4fe1\u606f\uff0c\u90a3\u4e48\u4e2d\u4ecb\u4f1a\u5c06\u4ed6\u7684\u623f\u5c4b\u4fe1\u606f\u7ed9\u4e0b\u67b6(\u670d\u52a1\u5254\u9664)\u3002<\/p>\n<p>\u4e0b\u9762\u5c31\u662f <code>Netflix<\/code> \u5b98\u65b9\u7ed9\u51fa\u7684 <code>Eureka<\/code> \u67b6\u6784\u56fe\uff0c\u4f60\u4f1a\u53d1\u73b0\u548c\u6211\u4eec\u524d\u9762\u753b\u7684\u4e2d\u4ecb\u56fe\u522b\u65e0\u4e8c\u81f4\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111045.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3100\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111045.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111045\" width=\"711\" height=\"481\" \/><\/a><\/p>\n<p>Eureka\u67b6\u6784\u56fe<\/p>\n<p>\u5f53\u7136\uff0c\u53ef\u4ee5\u5145\u5f53\u670d\u52a1\u53d1\u73b0\u7684\u7ec4\u4ef6\u6709\u5f88\u591a\uff1a<code>Zookeeper<\/code> \uff0c<code>Consul<\/code> \uff0c <code>Eureka<\/code> \u7b49\u3002<\/p>\n<p>\u66f4\u591a\u5173\u4e8e <code>Eureka<\/code> \u7684\u77e5\u8bc6(\u81ea\u6211\u4fdd\u62a4\uff0c\u521d\u59cb\u6ce8\u518c\u7b56\u7565\u7b49\u7b49)\u53ef\u4ee5\u81ea\u5df1\u53bb\u5b98\u7f51\u67e5\u770b\uff0c\u6216\u8005\u67e5\u770b\u6211\u7684\u53e6\u4e00\u7bc7\u6587\u7ae0 <a href=\"https:\/\/juejin.im\/post\/6844904001444511758\">\u6df1\u5165\u7406\u89e3 Eureka<\/a>\u3002<\/p>\n<h2>\u8d1f\u8f7d\u5747\u8861\u4e4b Ribbon<\/h2>\n<h3>\u4ec0\u4e48\u662f RestTemplate?<\/h3>\n<p>\u4e0d\u662f\u8bb2 <code>Ribbon<\/code> \u4e48\uff1f\u600e\u4e48\u626f\u5230\u4e86 <code>RestTemplate<\/code> \u4e86\uff1f\u4f60\u5148\u522b\u6025\uff0c\u542c\u6211\u6162\u6162\u9053\u6765\u3002<\/p>\n<p>\u6211\u4e0d\u542c\u6211\u4e0d\u542c\u6211\u4e0d\u542c\u3002<\/p>\n<p>\u6211\u5c31\u8bf4\u4e00\u53e5\uff01<strong><code>RestTemplate<\/code>\u662f<code>Spring<\/code>\u63d0\u4f9b\u7684\u4e00\u4e2a\u8bbf\u95eeHttp\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u7c7b<\/strong>\uff0c\u600e\u4e48\u8bf4\u5462\uff1f\u5c31\u662f\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u8c03\u7528\u662f\u4f7f\u7528\u7684 <code>RestTemplate<\/code> \u3002\u6bd4\u5982\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec \u6d88\u8d39\u8005B \u9700\u8981\u8c03\u7528 \u63d0\u4f9b\u8005A \u6240\u63d0\u4f9b\u7684\u670d\u52a1\u6211\u4eec\u5c31\u9700\u8981\u8fd9\u4e48\u5199\u3002\u5982\u6211\u4e0b\u9762\u7684\u4f2a\u4ee3\u7801\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">@Autowired\r\nprivate RestTemplate restTemplate;\r\n\/\/ \u8fd9\u91cc\u662f\u63d0\u4f9b\u8005A\u7684ip\u5730\u5740\uff0c\u4f46\u662f\u5982\u679c\u4f7f\u7528\u4e86 Eureka \u90a3\u4e48\u5c31\u5e94\u8be5\u662f\u63d0\u4f9b\u8005A\u7684\u540d\u79f0\r\nprivate static final String SERVICE_PROVIDER_A = \"http:\/\/localhost:8081\";\r\n\r\n@PostMapping(\"\/judge\")\r\npublic boolean judge(@RequestBody Request request) {\r\n    String url = SERVICE_PROVIDER_A + \"\/service1\";\r\n    return restTemplate.postForObject(url, request, Boolean.class);\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u5bf9\u6e90\u7801\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e0a\u9762\u6211\u4eec\u6240\u8bb2\u7684 <code>Eureka<\/code> \u6846\u67b6\u4e2d\u7684 <strong>\u6ce8\u518c<\/strong>\u3001<strong>\u7eed\u7ea6<\/strong> \u7b49\uff0c\u5e95\u5c42\u90fd\u662f\u4f7f\u7528\u7684 <code>RestTemplate<\/code> \u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9700\u8981 Ribbon\uff1f<\/h3>\n<p><code>Ribbon<\/code> \u662f <code>Netflix<\/code> \u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u8d1f\u8f7d\u5747\u8861 \u9879\u76ee\uff0c\u662f\u4e00\u4e2a\u5ba2\u6237\u7aef\/\u8fdb\u7a0b\u5185\u8d1f\u8f7d\u5747\u8861\u5668\uff0c<strong>\u8fd0\u884c\u5728\u6d88\u8d39\u8005\u7aef<\/strong>\u3002<\/p>\n<p>\u6211\u4eec\u518d\u4e3e\u4e2a\uff0c\u6bd4\u5982\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u79d2\u6740\u7cfb\u7edf\uff0c\u4f46\u662f\u4e3a\u4e86\u6574\u4e2a\u7cfb\u7edf\u7684 <strong>\u9ad8\u53ef\u7528<\/strong> \uff0c\u6211\u4eec\u9700\u8981\u5c06\u8fd9\u4e2a\u7cfb\u7edf\u505a\u4e00\u4e2a\u96c6\u7fa4\uff0c\u800c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u6d88\u8d39\u8005\u5c31\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u79d2\u6740\u7cfb\u7edf\u7684\u8c03\u7528\u9014\u5f84\u4e86\uff0c\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111120.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3101\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111120.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111120\" width=\"728\" height=\"550\" \/><\/a><\/p>\n<p>\u5982\u679c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u6ca1\u6709\u8fdb\u884c\u4e00\u4e9b <strong>\u5747\u8861\u64cd\u4f5c<\/strong> \uff0c\u5982\u679c\u6211\u4eec\u5bf9 <code>\u79d2\u6740\u7cfb\u7edf1<\/code> \u8fdb\u884c\u5927\u91cf\u7684\u8c03\u7528\uff0c\u800c\u53e6\u5916\u4e24\u4e2a\u57fa\u672c\u4e0d\u8bf7\u6c42\uff0c\u5c31\u4f1a\u5bfc\u81f4 <code>\u79d2\u6740\u7cfb\u7edf1<\/code> \u5d29\u6e83\uff0c\u800c\u53e6\u5916\u4e24\u4e2a\u5c31\u53d8\u6210\u4e86\u5080\u5121\uff0c\u90a3\u4e48\u6211\u4eec\u4e3a\u4ec0\u4e48\u8fd8\u8981\u505a\u96c6\u7fa4\uff0c\u6211\u4eec\u9ad8\u53ef\u7528\u4f53\u73b0\u7684\u610f\u4e49\u53c8\u5728\u54ea\u5462\uff1f<\/p>\n<p>\u6240\u4ee5 <code>Ribbon<\/code> \u51fa\u73b0\u4e86\uff0c\u6ce8\u610f\u6211\u4eec\u4e0a\u9762\u52a0\u7c97\u7684\u51e0\u4e2a\u5b57\u2014\u2014<strong>\u8fd0\u884c\u5728\u6d88\u8d39\u8005\u7aef<\/strong>\u3002\u6307\u7684\u662f\uff0c<code>Ribbon<\/code> \u662f\u8fd0\u884c\u5728\u6d88\u8d39\u8005\u7aef\u7684\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111203.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3102\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111203.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111203\" width=\"794\" height=\"533\" \/><\/a><\/p>\n<p>\u5176\u5de5\u4f5c\u539f\u7406\u5c31\u662f <code>Consumer<\/code> \u7aef\u83b7\u53d6\u5230\u4e86\u6240\u6709\u7684\u670d\u52a1\u5217\u8868\u4e4b\u540e\uff0c\u5728\u5176<strong>\u5185\u90e8<\/strong>\u4f7f\u7528<strong>\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5<\/strong>\uff0c\u8fdb\u884c\u5bf9\u591a\u4e2a\u7cfb\u7edf\u7684\u8c03\u7528\u3002<\/p>\n<h3>Nginx \u548c Ribbon \u7684\u5bf9\u6bd4<\/h3>\n<p>\u63d0\u5230 <strong>\u8d1f\u8f7d\u5747\u8861<\/strong> \u5c31\u4e0d\u5f97\u4e0d\u63d0\u5230\u5927\u540d\u9f0e\u9f0e\u7684 <code>Nignx<\/code> \u4e86\uff0c\u800c\u548c <code>Ribbon<\/code> \u4e0d\u540c\u7684\u662f\uff0c\u5b83\u662f\u4e00\u79cd<strong>\u96c6\u4e2d\u5f0f<\/strong>\u7684\u8d1f\u8f7d\u5747\u8861\u5668\u3002<\/p>\n<p>\u4f55\u4e3a\u96c6\u4e2d\u5f0f\u5462\uff1f\u7b80\u5355\u7406\u89e3\u5c31\u662f <strong>\u5c06\u6240\u6709\u8bf7\u6c42\u90fd\u96c6\u4e2d\u8d77\u6765\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861<\/strong>\u3002\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111227.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3103\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111227.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111227\" width=\"691\" height=\"319\" \/><\/a><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230 <code>Nginx<\/code> \u662f\u63a5\u6536\u4e86\u6240\u6709\u7684\u8bf7\u6c42\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u7684\uff0c\u800c\u5bf9\u4e8e <code>Ribbon<\/code> \u6765\u8bf4\u5b83\u662f\u5728\u6d88\u8d39\u8005\u7aef\u8fdb\u884c\u7684\u8d1f\u8f7d\u5747\u8861\u3002\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111251.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3104\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111251.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111251\" width=\"812\" height=\"503\" \/><\/a><\/p>\n<blockquote><p>\u8bf7\u6ce8\u610f <code>Request<\/code> \u7684\u4f4d\u7f6e\uff0c\u5728 <code>Nginx<\/code> \u4e2d\u8bf7\u6c42\u662f\u5148\u8fdb\u5165\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u800c\u5728 <code>Ribbon<\/code> \u4e2d\u662f\u5148\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u624d\u8fdb\u884c\u8bf7\u6c42\u7684\u3002<\/p><\/blockquote>\n<h3>Ribbon \u7684\u51e0\u79cd\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5<\/h3>\n<p>\u8d1f\u8f7d\u5747\u8861\uff0c\u4e0d\u7ba1 <code>Nginx<\/code> \u8fd8\u662f <code>Ribbon<\/code> \u90fd\u9700\u8981\u5176\u7b97\u6cd5\u7684\u652f\u6301\uff0c\u5982\u679c\u6211\u6ca1\u8bb0\u9519\u7684\u8bdd <code>Nginx<\/code> \u4f7f\u7528\u7684\u662f \u8f6e\u8be2\u548c\u52a0\u6743\u8f6e\u8be2\u7b97\u6cd5\u3002\u800c\u5728 <code>Ribbon<\/code> \u4e2d\u6709\u66f4\u591a\u7684\u8d1f\u8f7d\u5747\u8861\u8c03\u5ea6\u7b97\u6cd5\uff0c\u5176\u9ed8\u8ba4\u662f\u4f7f\u7528\u7684 <code>RoundRobinRule<\/code> \u8f6e\u8be2\u7b56\u7565\u3002<\/p>\n<ul>\n<li><strong>RoundRobinRule<\/strong>\uff1a\u8f6e\u8be2\u7b56\u7565\u3002<code>Ribbon<\/code> \u9ed8\u8ba4\u91c7\u7528\u7684\u7b56\u7565\u3002\u82e5\u7ecf\u8fc7\u4e00\u8f6e\u8f6e\u8be2\u6ca1\u6709\u627e\u5230\u53ef\u7528\u7684 <code>provider<\/code>\uff0c\u5176\u6700\u591a\u8f6e\u8be2 10 \u8f6e\u3002\u82e5\u6700\u7ec8\u8fd8\u6ca1\u6709\u627e\u5230\uff0c\u5219\u8fd4\u56de null\u3002<\/li>\n<li><strong>RandomRule<\/strong>: \u968f\u673a\u7b56\u7565\uff0c\u4ece\u6240\u6709\u53ef\u7528\u7684 provider \u4e2d\u968f\u673a\u9009\u62e9\u4e00\u4e2a\u3002<\/li>\n<li><strong>RetryRule<\/strong>: \u91cd\u8bd5\u7b56\u7565\u3002\u5148\u6309\u7167 RoundRobinRule \u7b56\u7565\u83b7\u53d6 provider\uff0c\u82e5\u83b7\u53d6\u5931\u8d25\uff0c\u5219\u5728\u6307\u5b9a\u7684\u65f6\u9650\u5185\u91cd\u8bd5\u3002\u9ed8\u8ba4\u7684\u65f6\u9650\u4e3a 500 \u6beb\u79d2\u3002<\/li>\n<\/ul>\n<p>\u8fd8\u6709\u5f88\u591a\uff0c\u8fd9\u91cc\u4e0d\u4e00\u4e00\u4e3e\u4e86\uff0c\u4f60\u6700\u9700\u8981\u77e5\u9053\u7684\u662f\u9ed8\u8ba4\u8f6e\u8be2\u7b97\u6cd5\uff0c\u5e76\u4e14\u53ef\u4ee5\u66f4\u6362\u9ed8\u8ba4\u7684\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u53ea\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u505a\u51fa\u4fee\u6539\u5c31\u884c\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">providerName:\r\n  ribbon:\r\n    NFLoadBalancerRuleClassName: com.netflix.loadbalancer.RandomRule\r\n\r\n<\/code><\/pre>\n<p>\u5f53\u7136\uff0c\u5728 <code>Ribbon<\/code> \u4e2d\u4f60\u8fd8\u53ef\u4ee5<strong>\u81ea\u5b9a\u4e49\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5<\/strong>\uff0c\u4f60\u53ea\u9700\u8981\u5b9e\u73b0 <code>IRule<\/code> \u63a5\u53e3\uff0c\u7136\u540e\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u6216\u8005\u81ea\u5b9a\u4e49 <code>Java Config<\/code> \u7c7b\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f Open Feign<\/h2>\n<p>\u6709\u4e86 <code>Eureka<\/code>\uff0c<code>RestTemplate<\/code>\uff0c<code>Ribbon<\/code> \u6211\u4eec\u5c31\u53ef\u4ee5\u6109\u5feb\u5730\u8fdb\u884c\u670d\u52a1\u95f4\u7684\u8c03\u7528\u4e86\uff0c\u4f46\u662f\u4f7f\u7528 <code>RestTemplate<\/code> \u8fd8\u662f\u4e0d\u65b9\u4fbf\uff0c\u6211\u4eec\u6bcf\u6b21\u90fd\u8981\u8fdb\u884c\u8fd9\u6837\u7684\u8c03\u7528\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">@Autowired\r\nprivate RestTemplate restTemplate;\r\n\/\/ \u8fd9\u91cc\u662f\u63d0\u4f9b\u8005A\u7684ip\u5730\u5740\uff0c\u4f46\u662f\u5982\u679c\u4f7f\u7528\u4e86 Eureka \u90a3\u4e48\u5c31\u5e94\u8be5\u662f\u63d0\u4f9b\u8005A\u7684\u540d\u79f0\r\nprivate static final String SERVICE_PROVIDER_A = \"http:\/\/localhost:8081\";\r\n\r\n@PostMapping(\"\/judge\")\r\npublic boolean judge(@RequestBody Request request) {\r\n    String url = SERVICE_PROVIDER_A + \"\/service1\";\r\n    \/\/ \u662f\u4e0d\u662f\u592a\u9ebb\u70e6\u4e86\uff1f\uff1f\uff1f\u6bcf\u6b21\u90fd\u8981 url\u3001\u8bf7\u6c42\u3001\u8fd4\u56de\u7c7b\u578b\u7684 \r\n    return restTemplate.postForObject(url, request, Boolean.class);\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u6bcf\u6b21\u90fd\u8c03\u7528 <code>RestRemplate<\/code> \u7684 <code>API<\/code> \u662f\u5426\u592a\u9ebb\u70e6\uff0c\u6211\u80fd\u4e0d\u80fd\u50cf<strong>\u8c03\u7528\u539f\u6765\u4ee3\u7801\u4e00\u6837\u8fdb\u884c\u5404\u4e2a\u670d\u52a1\u95f4\u7684\u8c03\u7528\u5462\uff1f<\/strong><\/p>\n<p>\u806a\u660e\u7684\u5c0f\u670b\u53cb\u80af\u5b9a\u60f3\u5230\u4e86\uff0c\u90a3\u5c31\u7528 <strong>\u6620\u5c04<\/strong> \u5440\uff0c\u5c31\u50cf\u57df\u540d\u548cIP\u5730\u5740\u7684\u6620\u5c04\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u88ab\u8c03\u7528\u7684\u670d\u52a1\u4ee3\u7801\u6620\u5c04\u5230\u6d88\u8d39\u8005\u7aef\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5 <strong>\u201c\u65e0\u7f1d\u5f00\u53d1\u201d<\/strong>\u5566\u3002<\/p>\n<blockquote><p>OpenFeign \u4e5f\u662f\u8fd0\u884c\u5728\u6d88\u8d39\u8005\u7aef\u7684\uff0c\u4f7f\u7528 Ribbon \u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u6240\u4ee5 OpenFeign \u76f4\u63a5\u5185\u7f6e\u4e86 Ribbon\u3002<\/p><\/blockquote>\n<p>\u5728\u5bfc\u5165\u4e86 <code>Open Feign<\/code> \u4e4b\u540e\u6211\u4eec\u5c31\u53ef\u4ee5\u8fdb\u884c\u6109\u5feb\u7f16\u5199 <code>Consumer<\/code> \u7aef\u4ee3\u7801\u4e86\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">\/\/ \u4f7f\u7528 @FeignClient \u6ce8\u89e3\u6765\u6307\u5b9a\u63d0\u4f9b\u8005\u7684\u540d\u5b57\r\n@FeignClient(value = \"eureka-client-provider\")\r\npublic interface TestClient {\r\n    \/\/ \u8fd9\u91cc\u4e00\u5b9a\u8981\u6ce8\u610f\u9700\u8981\u4f7f\u7528\u7684\u662f\u63d0\u4f9b\u8005\u90a3\u7aef\u7684\u8bf7\u6c42\u76f8\u5bf9\u8def\u5f84\uff0c\u8fd9\u91cc\u5c31\u76f8\u5f53\u4e8e\u6620\u5c04\u4e86\r\n    @RequestMapping(value = \"\/provider\/xxx\",\r\n    method = RequestMethod.POST)\r\n    CommonResponse&lt;List&lt;Plan&gt;&gt; getPlans(@RequestBody planGetRequest request);\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u7136\u540e\u6211\u4eec\u5728 <code>Controller<\/code> \u5c31\u53ef\u4ee5\u50cf\u539f\u6765\u8c03\u7528 <code>Service<\/code> \u5c42\u4ee3\u7801\u4e00\u6837\u8c03\u7528\u5b83\u4e86\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">@RestController\r\npublic class TestController {\r\n    \/\/ \u8fd9\u91cc\u5c31\u76f8\u5f53\u4e8e\u539f\u6765\u81ea\u52a8\u6ce8\u5165\u7684 Service\r\n    @Autowired\r\n    private TestClient testClient;\r\n    \/\/ controller \u8c03\u7528 service \u5c42\u4ee3\u7801\r\n    @RequestMapping(value = \"\/test\", method = RequestMethod.POST)\r\n    public CommonResponse&lt;List&lt;Plan&gt;&gt; get(@RequestBody planGetRequest request) {\r\n        return testClient.getPlans(request);\r\n    }\r\n}\r\n\r\n<\/code><\/pre>\n<h2>\u5fc5\u4e0d\u53ef\u5c11\u7684 Hystrix<\/h2>\n<h3>\u4ec0\u4e48\u662f Hystrix\u4e4b\u7194\u65ad\u548c\u964d\u7ea7<\/h3>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111337.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3105\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111337.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111337\" width=\"626\" height=\"214\" \/><\/a><\/p>\n<blockquote><p>\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u6709\u8bb8\u591a\u670d\u52a1\u4f9d\u8d56\u9879\u4e2d\u7684\u67d0\u4e9b\u5931\u8d25\u3002Hystrix\u662f\u4e00\u4e2a\u5e93\uff0c\u53ef\u901a\u8fc7\u6dfb\u52a0\u7b49\u5f85\u65f6\u95f4\u5bb9\u9650\u548c\u5bb9\u9519\u903b\u8f91\u6765\u5e2e\u52a9\u60a8\u63a7\u5236\u8fd9\u4e9b\u5206\u5e03\u5f0f\u670d\u52a1\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002Hystrix\u901a\u8fc7\u9694\u79bb\u670d\u52a1\u4e4b\u95f4\u7684\u8bbf\u95ee\u70b9\uff0c\u505c\u6b62\u670d\u52a1\u4e4b\u95f4\u7684\u7ea7\u8054\u6545\u969c\u5e76\u63d0\u4f9b\u540e\u5907\u9009\u9879\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\uff0c\u6240\u6709\u8fd9\u4e9b\u90fd\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u5f39\u6027\u3002<\/p><\/blockquote>\n<p>\u603b\u4f53\u6765\u8bf4 <code>Hystrix<\/code> \u5c31\u662f\u4e00\u4e2a\u80fd\u8fdb\u884c <strong>\u7194\u65ad<\/strong> \u548c <strong>\u964d\u7ea7<\/strong> \u7684\u5e93\uff0c\u901a\u8fc7\u4f7f\u7528\u5b83\u80fd\u63d0\u9ad8\u6574\u4e2a\u7cfb\u7edf\u7684\u5f39\u6027\u3002<\/p>\n<p>\u90a3\u4e48\u4ec0\u4e48\u662f \u7194\u65ad\u548c\u964d\u7ea7 \u5462\uff1f\u518d\u4e3e\u4e2a\uff0c\u6b64\u65f6\u6211\u4eec\u6574\u4e2a\u5fae\u670d\u52a1\u7cfb\u7edf\u662f\u8fd9\u6837\u7684\u3002\u670d\u52a1A\u8c03\u7528\u4e86\u670d\u52a1B\uff0c\u670d\u52a1B\u518d\u8c03\u7528\u4e86\u670d\u52a1C\uff0c\u4f46\u662f\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\uff0c\u670d\u52a1C\u9876\u4e0d\u4f4f\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\u5927\u91cf\u8bf7\u6c42\u4f1a\u5728\u670d\u52a1C\u963b\u585e\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111404.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3106\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111404.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111404\" width=\"852\" height=\"220\" \/><\/a><\/p>\n<p>\u670d\u52a1C\u963b\u585e\u4e86\u8fd8\u597d\uff0c\u6bd5\u7adf\u53ea\u662f\u4e00\u4e2a\u7cfb\u7edf\u5d29\u6e83\u4e86\u3002\u4f46\u662f\u8bf7\u6ce8\u610f\u8fd9\u4e2a\u65f6\u5019\u56e0\u4e3a\u670d\u52a1C\u4e0d\u80fd\u8fd4\u56de\u54cd\u5e94\uff0c\u90a3\u4e48\u670d\u52a1B\u8c03\u7528\u670d\u52a1C\u7684\u7684\u8bf7\u6c42\u5c31\u4f1a\u963b\u585e\uff0c\u540c\u7406\u670d\u52a1B\u963b\u585e\u4e86\uff0c\u90a3\u4e48\u670d\u52a1A\u4e5f\u4f1a\u963b\u585e\u5d29\u6e83\u3002<\/p>\n<blockquote><p>\u8bf7\u6ce8\u610f\uff0c\u4e3a\u4ec0\u4e48\u963b\u585e\u4f1a\u5d29\u6e83\u3002\u56e0\u4e3a\u8fd9\u4e9b\u8bf7\u6c42\u4f1a\u6d88\u8017\u5360\u7528\u7cfb\u7edf\u7684\u7ebf\u7a0b\u3001IO \u7b49\u8d44\u6e90\uff0c\u6d88\u8017\u5b8c\u4f60\u8fd9\u4e2a\u7cfb\u7edf\u670d\u52a1\u5668\u4e0d\u5c31\u5d29\u4e86\u4e48\u3002<\/p><\/blockquote>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111430.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-3107\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111430.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111430\" width=\"887\" height=\"505\" \/><\/a><\/p>\n<p>\u8fd9\u5c31\u53eb <strong>\u670d\u52a1\u96ea\u5d29<\/strong>\u3002\u5988\u8036\uff0c\u4e0a\u9762\u4e24\u4e2a <strong>\u7194\u65ad<\/strong> \u548c <strong>\u964d\u7ea7<\/strong> \u4f60\u90fd\u6ca1\u7ed9\u6211\u89e3\u91ca\u6e05\u695a\uff0c\u4f60\u73b0\u5728\u53c8\u7ed9\u6211\u626f\u4ec0\u4e48 <strong>\u670d\u52a1\u96ea\u5d29<\/strong> \uff1f<\/p>\n<p>\u522b\u6025\uff0c\u542c\u6211\u6162\u6162\u9053\u6765\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0d\u542c\u6211\u4e5f\u5f97\u8bb2\u4e0b\u53bb\uff01<\/p>\n<p>\u6240\u8c13 <strong>\u7194\u65ad<\/strong> \u5c31\u662f\u670d\u52a1\u96ea\u5d29\u7684\u4e00\u79cd\u6709\u6548\u89e3\u51b3\u65b9\u6848\u3002\u5f53\u6307\u5b9a\u65f6\u95f4\u7a97\u5185\u7684\u8bf7\u6c42\u5931\u8d25\u7387\u8fbe\u5230\u8bbe\u5b9a\u9608\u503c\u65f6\uff0c\u7cfb\u7edf\u5c06\u901a\u8fc7 <strong>\u65ad\u8def\u5668<\/strong> \u76f4\u63a5\u5c06\u6b64\u8bf7\u6c42\u94fe\u8def\u65ad\u5f00\u3002<\/p>\n<p>\u4e5f\u5c31\u662f\u6211\u4eec\u4e0a\u9762\u670d\u52a1B\u8c03\u7528\u670d\u52a1C\u5728\u6307\u5b9a\u65f6\u95f4\u7a97\u5185\uff0c\u8c03\u7528\u7684\u5931\u8d25\u7387\u5230\u8fbe\u4e86\u4e00\u5b9a\u7684\u503c\uff0c\u90a3\u4e48 <code>Hystrix<\/code> \u5219\u4f1a\u81ea\u52a8\u5c06 \u670d\u52a1B\u4e0eC \u4e4b\u95f4\u7684\u8bf7\u6c42\u90fd\u65ad\u4e86\uff0c\u4ee5\u514d\u5bfc\u81f4\u670d\u52a1\u96ea\u5d29\u73b0\u8c61\u3002<\/p>\n<p>\u5176\u5b9e\u8fd9\u91cc\u6240\u8bb2\u7684 <strong>\u7194\u65ad<\/strong> \u5c31\u662f\u6307\u7684 <code>Hystrix<\/code> \u4e2d\u7684 <strong>\u65ad\u8def\u5668\u6a21\u5f0f<\/strong> \uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684 <code>@HystrixCommand<\/code> \u6ce8\u89e3\u6765\u6807\u6ce8\u67d0\u4e2a\u65b9\u6cd5\uff0c\u8fd9\u6837 <code>Hystrix<\/code> \u5c31\u4f1a\u4f7f\u7528 <strong>\u65ad\u8def\u5668<\/strong> \u6765\u201c\u5305\u88c5\u201d\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u6bcf\u5f53\u8c03\u7528\u65f6\u95f4\u8d85\u8fc7\u6307\u5b9a\u65f6\u95f4\u65f6(\u9ed8\u8ba4\u4e3a1000ms)\uff0c\u65ad\u8def\u5668\u5c06\u4f1a\u4e2d\u65ad\u5bf9\u8fd9\u4e2a\u65b9\u6cd5\u7684\u8c03\u7528\u3002<\/p>\n<p>\u5f53\u7136\u4f60\u53ef\u4ee5\u5bf9\u8fd9\u4e2a\u6ce8\u89e3\u7684\u5f88\u591a\u5c5e\u6027\u8fdb\u884c\u8bbe\u7f6e\uff0c\u6bd4\u5982\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\uff0c\u50cf\u8fd9\u6837\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">@HystrixCommand(\r\n    commandProperties = {@HystrixProperty(name = \"execution.isolation.thread.timeoutInMilliseconds\",value = \"1200\")}\r\n)\r\npublic List&lt;Xxx&gt; getXxxx() {\r\n    \/\/ ...\u7701\u7565\u4ee3\u7801\u903b\u8f91\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u4f46\u662f\uff0c\u6211\u67e5\u9605\u4e86\u4e00\u4e9b\u535a\u5ba2\uff0c\u53d1\u73b0\u4ed6\u4eec\u90fd\u5c06 <strong>\u7194\u65ad<\/strong> \u548c <strong>\u964d\u7ea7<\/strong> \u7684\u6982\u5ff5\u6df7\u6dc6\u4e86\uff0c\u4ee5\u6211\u7684\u7406\u89e3\uff0c<strong>\u964d\u7ea7\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u5f53\u4e00\u4e2a\u65b9\u6cd5\u8c03\u7528\u5f02\u5e38\u65f6\uff0c\u901a\u8fc7\u6267\u884c\u53e6\u4e00\u79cd\u4ee3\u7801\u903b\u8f91\u6765\u7ed9\u7528\u6237\u53cb\u597d\u7684\u56de\u590d<\/strong>\u3002\u8fd9\u4e5f\u5c31\u5bf9\u5e94\u7740 <code>Hystrix<\/code> \u7684 <strong>\u540e\u5907\u5904\u7406<\/strong> \u6a21\u5f0f\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e <code>fallbackMethod<\/code> \u6765\u7ed9\u4e00\u4e2a\u65b9\u6cd5\u8bbe\u7f6e\u5907\u7528\u7684\u4ee3\u7801\u903b\u8f91\u3002\u6bd4\u5982\u8fd9\u4e2a\u65f6\u5019\u6709\u4e00\u4e2a\u70ed\u70b9\u65b0\u95fb\u51fa\u73b0\u4e86\uff0c\u6211\u4eec\u4f1a\u63a8\u8350\u7ed9\u7528\u6237\u67e5\u770b\u8be6\u60c5\uff0c\u7136\u540e\u7528\u6237\u4f1a\u901a\u8fc7id\u53bb\u67e5\u8be2\u65b0\u95fb\u7684\u8be6\u60c5\uff0c\u4f46\u662f\u56e0\u4e3a\u8fd9\u6761\u65b0\u95fb\u592a\u706b\u4e86(\u6bd4\u5982\u6700\u8fd1\u4ec0\u4e48*\u6613\u5bf9\u5427)\uff0c\u5927\u91cf\u7528\u6237\u540c\u65f6\u8bbf\u95ee\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u8fdb\u884c <strong>\u670d\u52a1\u964d\u7ea7<\/strong> \uff0c\u4e00\u4e9b\u8bf7\u6c42\u4f1a\u505a\u4e00\u4e9b\u964d\u7ea7\u5904\u7406\u6bd4\u5982\u5f53\u524d\u4eba\u6570\u592a\u591a\u8bf7\u7a0d\u540e\u67e5\u770b\u7b49\u7b49\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">\/\/ \u6307\u5b9a\u4e86\u540e\u5907\u65b9\u6cd5\u8c03\u7528\r\n@HystrixCommand(fallbackMethod = \"getHystrixNews\")\r\n@GetMapping(\"\/get\/news\")\r\npublic News getNews(@PathVariable(\"id\") int id) {\r\n    \/\/ \u8c03\u7528\u65b0\u95fb\u7cfb\u7edf\u7684\u83b7\u53d6\u65b0\u95fbapi \u4ee3\u7801\u903b\u8f91\u7701\u7565\r\n}\r\n\/\/ \r\npublic News getHystrixNews(@PathVariable(\"id\") int id) {\r\n    \/\/ \u505a\u670d\u52a1\u964d\u7ea7\r\n    \/\/ \u8fd4\u56de\u5f53\u524d\u4eba\u6570\u592a\u591a\uff0c\u8bf7\u7a0d\u540e\u67e5\u770b\r\n}\r\n<\/code><\/pre>\n<h3>\u4ec0\u4e48\u662fHystrix\u4e4b\u5176\u4ed6<\/h3>\n<p>\u6211\u5728\u9605\u8bfb \u300aSpring\u5fae\u670d\u52a1\u5b9e\u6218\u300b\u8fd9\u672c\u4e66\u7684\u65f6\u5019\u8fd8\u63a5\u89e6\u5230\u4e86\u4e00\u4e2a<strong>\u8231\u58c1\u6a21\u5f0f<\/strong>\u7684\u6982\u5ff5\u3002\u5728\u4e0d\u4f7f\u7528\u8231\u58c1\u6a21\u5f0f\u7684\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1A\u8c03\u7528\u670d\u52a1B\uff0c\u8fd9\u79cd\u8c03\u7528\u9ed8\u8ba4\u7684\u662f<strong>\u4f7f\u7528\u540c\u4e00\u6279\u7ebf\u7a0b\u6765\u6267\u884c<\/strong>\u7684\uff0c\u800c\u5728\u4e00\u4e2a\u670d\u52a1\u51fa\u73b0\u6027\u80fd\u95ee\u9898\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u51fa\u73b0\u6240\u6709\u7ebf\u7a0b\u88ab\u5237\u7206\u5e76\u7b49\u5f85\u5904\u7406\u5de5\u4f5c\uff0c\u540c\u65f6\u963b\u585e\u65b0\u8bf7\u6c42\uff0c\u6700\u7ec8\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002\u800c\u8231\u58c1\u6a21\u5f0f\u4f1a\u5c06\u8fdc\u7a0b\u8d44\u6e90\u8c03\u7528\u9694\u79bb\u5728\u4ed6\u4eec\u81ea\u5df1\u7684\u7ebf\u7a0b\u6c60\u4e2d\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u63a7\u5236\u5355\u4e2a\u8868\u73b0\u4e0d\u4f73\u7684\u670d\u52a1\uff0c\u800c\u4e0d\u4f1a\u4f7f\u8be5\u7a0b\u5e8f\u5d29\u6e83\u3002<\/p>\n<p>\u5177\u4f53\u5176\u539f\u7406\u6211\u63a8\u8350\u5927\u5bb6\u81ea\u5df1\u53bb\u4e86\u89e3\u4e00\u4e0b\uff0c\u672c\u7bc7\u6587\u7ae0\u4e2d\u5bf9<strong>\u8231\u58c1\u6a21\u5f0f<\/strong>\u4e0d\u505a\u8fc7\u591a\u89e3\u91ca\u3002\u5f53\u7136\u8fd8\u6709 <strong><code>Hystrix<\/code> \u4eea\u8868\u76d8<\/strong>\uff0c\u5b83\u662f<strong>\u7528\u6765\u5b9e\u65f6\u76d1\u63a7 <code>Hystrix<\/code> \u7684\u5404\u9879\u6307\u6807\u4fe1\u606f\u7684<\/strong>\uff0c\u8fd9\u91cc\u6211\u5c06\u8fd9\u4e2a\u95ee\u9898\u4e5f\u629b\u51fa\u53bb\uff0c\u5e0c\u671b\u6709\u4e0d\u4e86\u89e3\u7684\u53ef\u4ee5\u81ea\u5df1\u53bb\u641c\u7d22\u4e00\u4e0b\u3002<\/p>\n<h2>\u5fae\u670d\u52a1\u7f51\u5173\u2014\u2014Zuul<\/h2>\n<blockquote><p>ZUUL \u662f\u4ece\u8bbe\u5907\u548c web \u7ad9\u70b9\u5230 Netflix \u6d41\u5e94\u7528\u540e\u7aef\u7684\u6240\u6709\u8bf7\u6c42\u7684\u524d\u95e8\u3002\u4f5c\u4e3a\u8fb9\u754c\u670d\u52a1\u5e94\u7528\uff0cZUUL \u662f\u4e3a\u4e86\u5b9e\u73b0\u52a8\u6001\u8def\u7531\u3001\u76d1\u89c6\u3001\u5f39\u6027\u548c\u5b89\u5168\u6027\u800c\u6784\u5efa\u7684\u3002\u5b83\u8fd8\u5177\u6709\u6839\u636e\u60c5\u51b5\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u591a\u4e2a Amazon Auto Scaling Groups\uff08\u4e9a\u9a6c\u900a\u81ea\u52a8\u7f29\u653e\u7ec4\uff0c\u4e9a\u9a6c\u900a\u7684\u4e00\u79cd\u4e91\u8ba1\u7b97\u65b9\u5f0f\uff09 \u7684\u80fd\u529b<\/p><\/blockquote>\n<p>\u5728\u4e0a\u9762\u6211\u4eec\u5b66\u4e60\u4e86 <code>Eureka<\/code> \u4e4b\u540e\u6211\u4eec\u77e5\u9053\u4e86 <em>\u670d\u52a1\u63d0\u4f9b\u8005<\/em> \u662f <em>\u6d88\u8d39\u8005<\/em> \u901a\u8fc7 <code>Eureka Server<\/code> \u8fdb\u884c\u8bbf\u95ee\u7684\uff0c\u5373 <code>Eureka Server<\/code> \u662f <em>\u670d\u52a1\u63d0\u4f9b\u8005<\/em> \u7684\u7edf\u4e00\u5165\u53e3\u3002\u90a3\u4e48\u6574\u4e2a\u5e94\u7528\u4e2d\u5b58\u5728\u90a3\u4e48\u591a <em>\u6d88\u8d39\u8005<\/em> \u9700\u8981\u7528\u6237\u8fdb\u884c\u8c03\u7528\uff0c\u8fd9\u4e2a\u65f6\u5019\u7528\u6237\u8be5\u600e\u6837\u8bbf\u95ee\u8fd9\u4e9b <em>\u6d88\u8d39\u8005\u5de5\u7a0b<\/em> \u5462\uff1f\u5f53\u7136\u53ef\u4ee5\u50cf\u4e4b\u524d\u90a3\u6837\u76f4\u63a5\u8bbf\u95ee\u8fd9\u4e9b\u5de5\u7a0b\u3002\u4f46\u8fd9\u79cd\u65b9\u5f0f\u6ca1\u6709\u7edf\u4e00\u7684\u6d88\u8d39\u8005\u5de5\u7a0b\u8c03\u7528\u5165\u53e3\uff0c\u4e0d\u4fbf\u4e8e\u8bbf\u95ee\u4e0e\u7ba1\u7406\uff0c\u800c Zuul \u5c31\u662f\u8fd9\u6837\u7684\u4e00\u4e2a\u5bf9\u4e8e <em>\u6d88\u8d39\u8005<\/em> \u7684\u7edf\u4e00\u5165\u53e3\u3002<\/p>\n<blockquote><p>\u5982\u679c\u5b66\u8fc7\u524d\u7aef\u7684\u80af\u5b9a\u90fd\u77e5\u9053 Router \u5427\uff0c\u6bd4\u5982 Flutter \u4e2d\u7684\u8def\u7531\uff0cVue\uff0cReact\u4e2d\u7684\u8def\u7531\uff0c\u7528\u4e86 Zuul \u4f60\u4f1a\u53d1\u73b0\u5728\u8def\u7531\u529f\u80fd\u65b9\u9762\u548c\u524d\u7aef\u914d\u7f6e\u8def\u7531\u57fa\u672c\u662f\u4e00\u4e2a\u7406\u3002 \u6211\u5076\u5c14\u64b8\u64b8 Flutter\u3002<\/p><\/blockquote>\n<p>\u5927\u5bb6\u5bf9\u7f51\u5173\u5e94\u8be5\u5f88\u719f\u5427\uff0c\u7b80\u5355\u6765\u8bb2\u7f51\u5173\u662f\u7cfb\u7edf\u552f\u4e00\u5bf9\u5916\u7684\u5165\u53e3\uff0c\u4ecb\u4e8e\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u4e4b\u95f4\uff0c\u7528\u4e8e\u5bf9\u8bf7\u6c42\u8fdb\u884c<strong>\u9274\u6743<\/strong>\u3001<strong>\u9650\u6d41<\/strong>\u3001 <strong>\u8def\u7531<\/strong>\u3001<strong>\u76d1\u63a7<\/strong>\u7b49\u529f\u80fd\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111502.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3108\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111502.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111502\" width=\"947\" height=\"455\" \/><\/a><\/p>\n<p>\u6ca1\u9519\uff0c\u7f51\u5173\u6709\u7684\u529f\u80fd\uff0c<code>Zuul<\/code> \u57fa\u672c\u90fd\u6709\u3002\u800c <code>Zuul<\/code> \u4e2d\u6700\u5173\u952e\u7684\u5c31\u662f <strong>\u8def\u7531\u548c\u8fc7\u6ee4\u5668<\/strong> \u4e86\uff0c\u5728\u5b98\u65b9\u6587\u6863\u4e2d <code>Zuul<\/code> \u7684\u6807\u9898\u5c31\u662f<\/p>\n<blockquote><p>Router and Filter : Zuul<\/p><\/blockquote>\n<h3>Zuul \u7684\u8def\u7531\u529f\u80fd<\/h3>\n<h4>\u7b80\u5355\u914d\u7f6e<\/h4>\n<p>\u672c\u6765\u60f3\u7ed9\u4f60\u4eec\u590d\u5236\u4e00\u4e9b\u4ee3\u7801\uff0c\u4f46\u662f\u60f3\u4e86\u60f3\uff0c\u56e0\u4e3a\u5404\u4e2a\u4ee3\u7801\u914d\u7f6e\u6bd4\u8f83\u96f6\u6563\uff0c\u770b\u8d77\u6765\u4e5f\u6bd4\u8f83\u96f6\u6563\uff0c\u6211\u51b3\u5b9a\u8fd8\u662f\u7ed9\u4f60\u4eec\u753b\u4e2a\u56fe\u6765\u89e3\u91ca\u5427\u3002<\/p>\n<blockquote><p>\u8bf7\u4e0d\u8981\u56e0\u4e3a\u6211\u8fd9\u4e48\u597d\u5c31\u7ed9\u6211\u70b9\u8d5e \u3002 \u75af\u72c2\u6697\u793a\u3002<\/p><\/blockquote>\n<p>\u6bd4\u5982\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5df2\u7ecf\u5411 <code>Eureka Server<\/code> \u6ce8\u518c\u4e86\u4e24\u4e2a <code>Consumer<\/code> \u3001\u4e09\u4e2a <code>Provicer<\/code> \uff0c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u518d\u52a0\u4e2a <code>Zuul<\/code> \u7f51\u5173\u5e94\u8be5\u53d8\u6210\u8fd9\u6837\u5b50\u4e86\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111528.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3109\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111528.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111528\" width=\"972\" height=\"435\" \/><\/a><\/p>\n<p>emmm\uff0c\u4fe1\u606f\u91cf\u6709\u70b9\u5927\uff0c\u6211\u6765\u89e3\u91ca\u4e00\u4e0b\u3002\u5173\u4e8e\u524d\u9762\u7684\u77e5\u8bc6\u6211\u5c31\u4e0d\u89e3\u91ca\u4e86 \u3002<\/p>\n<p>\u9996\u5148\uff0c<code>Zuul<\/code> \u9700\u8981\u5411 <code>Eureka<\/code> \u8fdb\u884c\u6ce8\u518c\uff0c\u6ce8\u518c\u6709\u5565\u597d\u5904\u5462\uff1f<\/p>\n<p>\u4f60\u50bb\u5440\uff0c<code>Consumer<\/code> \u90fd\u5411 <code>Eureka Server<\/code> \u8fdb\u884c\u6ce8\u518c\u4e86\uff0c\u6211\u7f51\u5173\u662f\u4e0d\u662f\u53ea\u8981\u6ce8\u518c\u5c31\u80fd\u62ff\u5230\u6240\u6709 <code>Consumer<\/code> \u7684\u4fe1\u606f\u4e86\uff1f<\/p>\n<p>\u62ff\u5230\u4fe1\u606f\u6709\u4ec0\u4e48\u597d\u5904\u5462\uff1f<\/p>\n<p>\u6211\u62ff\u5230\u4fe1\u606f\u6211\u662f\u4e0d\u662f\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u7684 <code>Consumer<\/code> \u7684\u5143\u6570\u636e(\u540d\u79f0\uff0cip\uff0c\u7aef\u53e3)\uff1f<\/p>\n<p>\u62ff\u5230\u8fd9\u4e9b\u5143\u6570\u636e\u6709\u4ec0\u4e48\u597d\u5904\u5462\uff1f\u62ff\u5230\u4e86\u6211\u4eec\u662f\u4e0d\u662f\u76f4\u63a5\u53ef\u4ee5\u505a<strong>\u8def\u7531\u6620\u5c04<\/strong>\uff1f\u6bd4\u5982\u539f\u6765\u7528\u6237\u8c03\u7528 <code>Consumer1<\/code> \u7684\u63a5\u53e3 <code>localhost:8001\/studentInfo\/update<\/code> \u8fd9\u4e2a\u8bf7\u6c42\uff0c\u6211\u4eec\u662f\u4e0d\u662f\u53ef\u4ee5\u8fd9\u6837\u8fdb\u884c\u8c03\u7528\u4e86\u5462\uff1f<code>localhost:9000\/consumer1\/studentInfo\/update<\/code> \u5462\uff1f\u4f60\u8fd9\u6837\u662f\u4e0d\u662f\u604d\u7136\u5927\u609f\u4e86\uff1f<\/p>\n<blockquote><p>\u8fd9\u91cc\u7684url\u4e3a\u4e86\u8ba9\u66f4\u591a\u4eba\u770b\u61c2\u6240\u4ee5\u6ca1\u6709\u4f7f\u7528 restful \u98ce\u683c\u3002<\/p><\/blockquote>\n<p>\u4e0a\u9762\u7684\u4f60\u7406\u89e3\u4e86\uff0c\u90a3\u4e48\u5c31\u80fd\u7406\u89e3\u5173\u4e8e <code>Zuul<\/code> \u6700\u57fa\u672c\u7684\u914d\u7f6e\u4e86\uff0c\u770b\u4e0b\u9762\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">server:\r\n  port: 9000\r\neureka:\r\n  client:\r\n    service-url:\r\n      # \u8fd9\u91cc\u53ea\u8981\u6ce8\u518c Eureka \u5c31\u884c\u4e86\r\n      defaultZone: http:\/\/localhost:9997\/eureka\r\n<\/code><\/pre>\n<p>\u7136\u540e\u5728\u542f\u52a8\u7c7b\u4e0a\u52a0\u5165 <code>@EnableZuulProxy<\/code> \u6ce8\u89e3\u5c31\u884c\u4e86\u3002\u6ca1\u9519\uff0c\u5c31\u662f\u90a3\u4e48\u7b80\u5355\u3002<\/p>\n<h4>\u7edf\u4e00\u524d\u7f00<\/h4>\n<p>\u8fd9\u4e2a\u5f88\u7b80\u5355\uff0c\u5c31\u662f\u6211\u4eec\u53ef\u4ee5\u5728\u524d\u9762\u52a0\u4e00\u4e2a\u7edf\u4e00\u7684\u524d\u7f00\uff0c\u6bd4\u5982\u6211\u4eec\u521a\u521a\u8c03\u7528\u7684\u662f <code>localhost:9000\/consumer1\/studentInfo\/update<\/code>\uff0c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5728 <code>yaml<\/code> \u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u5982\u4e0b\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">zuul:\r\n  prefix: \/zuul\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u6211\u4eec\u5c31\u9700\u8981\u901a\u8fc7 <code>localhost:9000\/zuul\/consumer1\/studentInfo\/update<\/code> \u6765\u8fdb\u884c\u8bbf\u95ee\u4e86\u3002<\/p>\n<h4>\u8def\u7531\u7b56\u7565\u914d\u7f6e<\/h4>\n<p>\u4f60\u4f1a\u53d1\u73b0\u524d\u9762\u7684\u8bbf\u95ee\u65b9\u5f0f(\u76f4\u63a5\u4f7f\u7528\u670d\u52a1\u540d)\uff0c\u9700\u8981\u5c06\u5fae\u670d\u52a1\u540d\u79f0\u66b4\u9732\u7ed9\u7528\u6237\uff0c\u4f1a\u5b58\u5728\u5b89\u5168\u6027\u95ee\u9898\u3002\u6240\u4ee5\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u8def\u5f84\u6765\u66ff\u4ee3\u5fae\u670d\u52a1\u540d\u79f0\uff0c\u5373\u81ea\u5b9a\u4e49\u8def\u7531\u7b56\u7565\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">zuul:\r\n  routes:\r\n    consumer1: \/FrancisQ1\/**\r\n    consumer2: \/FrancisQ2\/**\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u65f6\u5019\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528 <code>localhost:9000\/zuul\/FrancisQ1\/studentInfo\/update<\/code> \u8fdb\u884c\u8bbf\u95ee\u4e86\u3002<\/p>\n<h4>\u670d\u52a1\u540d\u5c4f\u853d<\/h4>\n<p>\u8fd9\u4e2a\u65f6\u5019\u4f60\u522b\u4ee5\u4e3a\u4f60\u597d\u4e86\uff0c\u4f60\u53ef\u4ee5\u8bd5\u8bd5\uff0c\u5728\u4f60\u914d\u7f6e\u5b8c\u8def\u7531\u7b56\u7565\u4e4b\u540e\u4f7f\u7528\u5fae\u670d\u52a1\u540d\u79f0\u8fd8\u662f\u53ef\u4ee5\u8bbf\u95ee\u7684\uff0c\u8fd9\u4e2a\u65f6\u5019\u4f60\u9700\u8981\u5c06\u670d\u52a1\u540d\u5c4f\u853d\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">zuul:\r\n  ignore-services: \"*\"\r\n<\/code><\/pre>\n<h4>\u8def\u5f84\u5c4f\u853d<\/h4>\n<p><code>Zuul<\/code> \u8fd8\u53ef\u4ee5\u6307\u5b9a\u5c4f\u853d\u6389\u7684\u8def\u5f84 URI\uff0c\u5373\u53ea\u8981\u7528\u6237\u8bf7\u6c42\u4e2d\u5305\u542b\u6307\u5b9a\u7684 URI \u8def\u5f84\uff0c\u90a3\u4e48\u8be5\u8bf7\u6c42\u5c06\u65e0\u6cd5\u8bbf\u95ee\u5230\u6307\u5b9a\u7684\u670d\u52a1\u3002\u901a\u8fc7\u8be5\u65b9\u5f0f\u53ef\u4ee5\u9650\u5236\u7528\u6237\u7684\u6743\u9650\u3002<\/p>\n<pre><code class=\"language-yaml\" lang=\"yaml\">zuul:\r\n  ignore-patterns: **\/auto\/**\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u5173\u4e8e auto \u7684\u8bf7\u6c42\u6211\u4eec\u5c31\u53ef\u4ee5\u8fc7\u6ee4\u6389\u4e86\u3002<\/p>\n<blockquote><p>** \u4ee3\u8868\u5339\u914d\u591a\u7ea7\u4efb\u610f\u8def\u5f84<\/p>\n<p>*\u4ee3\u8868\u5339\u914d\u4e00\u7ea7\u4efb\u610f\u8def\u5f84<\/p><\/blockquote>\n<h4>\u654f\u611f\u8bf7\u6c42\u5934\u5c4f\u853d<\/h4>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u50cf Cookie\u3001Set-Cookie \u7b49\u654f\u611f\u8bf7\u6c42\u5934\u4fe1\u606f\u4f1a\u88ab zuul \u5c4f\u853d\u6389\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u9ed8\u8ba4\u5c4f\u853d\u53bb\u6389\uff0c\u5f53\u7136\uff0c\u4e5f\u53ef\u4ee5\u6dfb\u52a0\u8981\u5c4f\u853d\u7684\u8bf7\u6c42\u5934\u3002<\/p>\n<h3>Zuul \u7684\u8fc7\u6ee4\u529f\u80fd<\/h3>\n<p>\u5982\u679c\u8bf4\uff0c\u8def\u7531\u529f\u80fd\u662f <code>Zuul<\/code> \u7684\u57fa\u64cd\u7684\u8bdd\uff0c\u90a3\u4e48<strong>\u8fc7\u6ee4\u5668<\/strong>\u5c31\u662f <code>Zuul<\/code>\u7684\u5229\u5668\u4e86\u3002\u6bd5\u7adf\u6240\u6709\u8bf7\u6c42\u90fd\u7ecf\u8fc7\u7f51\u5173(Zuul)\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u5404\u79cd\u8fc7\u6ee4\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u5b9e\u73b0 <strong>\u9650\u6d41<\/strong>\uff0c<strong>\u7070\u5ea6\u53d1\u5e03<\/strong>\uff0c<strong>\u6743\u9650\u63a7\u5236<\/strong> \u7b49\u7b49\u3002<\/p>\n<h4>\u7b80\u5355\u5b9e\u73b0\u4e00\u4e2a\u8bf7\u6c42\u65f6\u95f4\u65e5\u5fd7\u6253\u5370<\/h4>\n<p>\u8981\u5b9e\u73b0\u81ea\u5df1\u5b9a\u4e49\u7684 <code>Filter<\/code> \u6211\u4eec\u53ea\u9700\u8981\u7ee7\u627f <code>ZuulFilter<\/code> \u7136\u540e\u5c06\u8fd9\u4e2a\u8fc7\u6ee4\u5668\u7c7b\u4ee5 <code>@Component<\/code> \u6ce8\u89e3\u52a0\u5165 Spring \u5bb9\u5668\u4e2d\u5c31\u884c\u4e86\u3002<\/p>\n<p>\u5728\u7ed9\u4f60\u4eec\u770b\u4ee3\u7801\u4e4b\u524d\u6211\u5148\u7ed9\u4f60\u4eec\u89e3\u91ca\u4e00\u4e0b\u5173\u4e8e\u8fc7\u6ee4\u5668\u7684\u4e00\u4e9b\u6ce8\u610f\u70b9\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111557.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3110\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111557.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111557\" width=\"798\" height=\"493\" \/><\/a><\/p>\n<p>\u8fc7\u6ee4\u5668\u7c7b\u578b\uff1aPre\u3001Routing\u3001Post\u3002\u524d\u7f6ePre\u5c31\u662f\u5728\u8bf7\u6c42\u4e4b\u524d\u8fdb\u884c\u8fc7\u6ee4\uff0cRouting\u8def\u7531\u8fc7\u6ee4\u5668\u5c31\u662f\u6211\u4eec\u4e0a\u9762\u6240\u8bb2\u7684\u8def\u7531\u7b56\u7565\uff0c\u800cPost\u540e\u7f6e\u8fc7\u6ee4\u5668\u5c31\u662f\u5728 <code>Response<\/code> \u4e4b\u524d\u8fdb\u884c\u8fc7\u6ee4\u7684\u8fc7\u6ee4\u5668\u3002\u4f60\u53ef\u4ee5\u89c2\u5bdf\u4e0a\u56fe\u7ed3\u5408\u7740\u7406\u89e3\uff0c\u5e76\u4e14\u4e0b\u9762\u6211\u4f1a\u7ed9\u51fa\u76f8\u5e94\u7684\u6ce8\u91ca\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">\/\/ \u52a0\u5165Spring\u5bb9\u5668\r\n@Component\r\npublic class PreRequestFilter extends ZuulFilter {\r\n    \/\/ \u8fd4\u56de\u8fc7\u6ee4\u5668\u7c7b\u578b \u8fd9\u91cc\u662f\u524d\u7f6e\u8fc7\u6ee4\u5668\r\n    @Override\r\n    public String filterType() {\r\n        return FilterConstants.PRE_TYPE;\r\n    }\r\n    \/\/ \u6307\u5b9a\u8fc7\u6ee4\u987a\u5e8f \u8d8a\u5c0f\u8d8a\u5148\u6267\u884c\uff0c\u8fd9\u91cc\u7b2c\u4e00\u4e2a\u6267\u884c\r\n    \/\/ \u5f53\u7136\u4e0d\u662f\u53ea\u771f\u6b63\u7b2c\u4e00\u4e2a \u5728Zuul\u5185\u7f6e\u4e2d\u6709\u5176\u4ed6\u8fc7\u6ee4\u5668\u4f1a\u5148\u6267\u884c\r\n    \/\/ \u90a3\u662f\u5199\u6b7b\u7684 \u6bd4\u5982 SERVLET_DETECTION_FILTER_ORDER = -3\r\n    @Override\r\n    public int filterOrder() {\r\n        return 0;\r\n    }\r\n    \/\/ \u4ec0\u4e48\u65f6\u5019\u8be5\u8fdb\u884c\u8fc7\u6ee4\r\n    \/\/ \u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u4e00\u4e9b\u5224\u65ad\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u8fc7\u6ee4\u6389\u4e00\u4e9b\u4e0d\u7b26\u5408\u89c4\u5b9a\u7684\u8bf7\u6c42\u7b49\u7b49\r\n    @Override\r\n    public boolean shouldFilter() {\r\n        return true;\r\n    }\r\n    \/\/ \u5982\u679c\u8fc7\u6ee4\u5668\u5141\u8bb8\u901a\u8fc7\u5219\u600e\u4e48\u8fdb\u884c\u5904\u7406\r\n    @Override\r\n    public Object run() throws ZuulException {\r\n        \/\/ \u8fd9\u91cc\u6211\u8bbe\u7f6e\u4e86\u5168\u5c40\u7684RequestContext\u5e76\u8bb0\u5f55\u4e86\u8bf7\u6c42\u5f00\u59cb\u65f6\u95f4\r\n        RequestContext ctx = RequestContext.getCurrentContext();\r\n        ctx.set(\"startTime\", System.currentTimeMillis());\r\n        return null;\r\n    }\r\n}\r\n\r\n\/\/ lombok\u7684\u65e5\u5fd7\r\n@Slf4j\r\n\/\/ \u52a0\u5165 Spring \u5bb9\u5668\r\n@Component\r\npublic class AccessLogFilter extends ZuulFilter {\r\n    \/\/ \u6307\u5b9a\u8be5\u8fc7\u6ee4\u5668\u7684\u8fc7\u6ee4\u7c7b\u578b\r\n    \/\/ \u6b64\u65f6\u662f\u540e\u7f6e\u8fc7\u6ee4\u5668\r\n    @Override\r\n    public String filterType() {\r\n        return FilterConstants.POST_TYPE;\r\n    }\r\n    \/\/ SEND_RESPONSE_FILTER_ORDER \u662f\u6700\u540e\u4e00\u4e2a\u8fc7\u6ee4\u5668\r\n    \/\/ \u6211\u4eec\u6b64\u8fc7\u6ee4\u5668\u5728\u5b83\u4e4b\u524d\u6267\u884c\r\n    @Override\r\n    public int filterOrder() {\r\n        return FilterConstants.SEND_RESPONSE_FILTER_ORDER - 1;\r\n    }\r\n    @Override\r\n    public boolean shouldFilter() {\r\n        return true;\r\n    }\r\n    \/\/ \u8fc7\u6ee4\u65f6\u6267\u884c\u7684\u7b56\u7565\r\n    @Override\r\n    public Object run() throws ZuulException {\r\n        RequestContext context = RequestContext.getCurrentContext();\r\n        HttpServletRequest request = context.getRequest();\r\n        \/\/ \u4eceRequestContext\u83b7\u53d6\u539f\u5148\u7684\u5f00\u59cb\u65f6\u95f4 \u5e76\u901a\u8fc7\u5b83\u8ba1\u7b97\u6574\u4e2a\u65f6\u95f4\u95f4\u9694\r\n        Long startTime = (Long) context.get(\"startTime\");\r\n        \/\/ \u8fd9\u91cc\u6211\u53ef\u4ee5\u83b7\u53d6HttpServletRequest\u6765\u83b7\u53d6URI\u5e76\u4e14\u6253\u5370\u51fa\u6765\r\n        String uri = request.getRequestURI();\r\n        long duration = System.currentTimeMillis() - startTime;\r\n        log.info(\"uri: \" + uri + \", duration: \" + duration \/ 100 + \"ms\");\r\n        return null;\r\n    }\r\n}\r\n\r\n<\/code><\/pre>\n<p>\u4e0a\u9762\u5c31\u7b80\u5355\u5b9e\u73b0\u4e86\u8bf7\u6c42\u65f6\u95f4\u65e5\u5fd7\u6253\u5370\u529f\u80fd\uff0c\u4f60\u6709\u6ca1\u6709\u611f\u53d7\u5230 <code>Zuul<\/code> \u8fc7\u6ee4\u529f\u80fd\u7684\u5f3a\u5927\u4e86\u5462\uff1f<\/p>\n<p>\u6ca1\u6709\uff1f\u597d\u7684\u3001\u90a3\u6211\u4eec\u518d\u6765\u3002<\/p>\n<h4>\u4ee4\u724c\u6876\u9650\u6d41<\/h4>\n<p>\u5f53\u7136\u4e0d\u4ec5\u4ec5\u662f\u4ee4\u724c\u6876\u9650\u6d41\u65b9\u5f0f\uff0c<code>Zuul<\/code> \u53ea\u8981\u662f\u9650\u6d41\u7684\u6d3b\u5b83\u90fd\u80fd\u5e72\uff0c\u8fd9\u91cc\u6211\u53ea\u662f\u7b80\u5355\u4e3e\u4e2a\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111641.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3111\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111641.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111641\" width=\"721\" height=\"485\" \/><\/a><\/p>\n<p>\u6211\u5148\u6765\u89e3\u91ca\u4e00\u4e0b\u4ec0\u4e48\u662f <strong>\u4ee4\u724c\u6876\u9650\u6d41<\/strong> \u5427\u3002<\/p>\n<p>\u9996\u5148\u6211\u4eec\u4f1a\u6709\u4e2a\u6876\uff0c\u5982\u679c\u91cc\u9762\u6ca1\u6709\u6ee1\u90a3\u4e48\u5c31\u4f1a\u4ee5\u4e00\u5b9a <strong>\u56fa\u5b9a\u7684\u901f\u7387<\/strong> \u4f1a\u5f80\u91cc\u9762\u653e\u4ee4\u724c\uff0c\u4e00\u4e2a\u8bf7\u6c42\u8fc7\u6765\u9996\u5148\u8981\u4ece\u6876\u4e2d\u83b7\u53d6\u4ee4\u724c\uff0c\u5982\u679c\u6ca1\u6709\u83b7\u53d6\u5230\uff0c\u90a3\u4e48\u8fd9\u4e2a\u8bf7\u6c42\u5c31\u62d2\u7edd\uff0c\u5982\u679c\u83b7\u53d6\u5230\u90a3\u4e48\u5c31\u653e\u884c\u3002\u5f88\u7b80\u5355\u5427\uff0c\u554a\u54c8\u54c8\u3001<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u5c31\u901a\u8fc7 <code>Zuul<\/code> \u7684\u524d\u7f6e\u8fc7\u6ee4\u5668\u6765\u5b9e\u73b0\u4e00\u4e0b\u4ee4\u724c\u6876\u9650\u6d41\u3002<\/p>\n<pre><code class=\"language-java\" lang=\"java\">@Component\r\n@Slf4j\r\npublic class RouteFilter extends ZuulFilter {\r\n    \/\/ \u5b9a\u4e49\u4e00\u4e2a\u4ee4\u724c\u6876\uff0c\u6bcf\u79d2\u4ea7\u751f2\u4e2a\u4ee4\u724c\uff0c\u5373\u6bcf\u79d2\u6700\u591a\u5904\u74062\u4e2a\u8bf7\u6c42\r\n    private static final RateLimiter RATE_LIMITER = RateLimiter.create(2);\r\n    @Override\r\n    public String filterType() {\r\n        return FilterConstants.PRE_TYPE;\r\n    }\r\n\r\n    @Override\r\n    public int filterOrder() {\r\n        return -5;\r\n    }\r\n\r\n    @Override\r\n    public Object run() throws ZuulException {\r\n        log.info(\"\u653e\u884c\");\r\n        return null;\r\n    }\r\n\r\n    @Override\r\n    public boolean shouldFilter() {\r\n        RequestContext context = RequestContext.getCurrentContext();\r\n        if(!RATE_LIMITER.tryAcquire()) {\r\n            log.warn(\"\u8bbf\u95ee\u91cf\u8d85\u8f7d\");\r\n            \/\/ \u6307\u5b9a\u5f53\u524d\u8bf7\u6c42\u672a\u901a\u8fc7\u8fc7\u6ee4\r\n            context.setSendZuulResponse(false);\r\n            \/\/ \u5411\u5ba2\u6237\u7aef\u8fd4\u56de\u54cd\u5e94\u7801429\uff0c\u8bf7\u6c42\u6570\u91cf\u8fc7\u591a\r\n            context.setResponseStatusCode(429);\r\n            return false;\r\n        }\r\n        return true;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u5c06\u8bf7\u6c42\u6570\u91cf\u63a7\u5236\u5728\u4e00\u79d2\u4e24\u4e2a\uff0c\u6709\u6ca1\u6709\u89c9\u5f97\u5f88\u9177\uff1f<\/p>\n<h3>\u5173\u4e8e Zuul \u7684\u5176\u4ed6<\/h3>\n<p><code>Zuul<\/code> \u7684\u8fc7\u6ee4\u5668\u7684\u529f\u80fd\u80af\u5b9a\u4e0d\u6b62\u4e0a\u9762\u6211\u6240\u5b9e\u73b0\u7684\u4e24\u79cd\uff0c\u5b83\u8fd8\u53ef\u4ee5\u5b9e\u73b0 <strong>\u6743\u9650\u6821\u9a8c<\/strong>\uff0c\u5305\u62ec\u6211\u4e0a\u9762\u63d0\u5230\u7684 <strong>\u7070\u5ea6\u53d1\u5e03<\/strong> \u7b49\u7b49\u3002<\/p>\n<p>\u5f53\u7136\uff0c<code>Zuul<\/code> \u4f5c\u4e3a\u7f51\u5173\u80af\u5b9a\u4e5f\u5b58\u5728 <strong>\u5355\u70b9\u95ee\u9898<\/strong> \uff0c\u5982\u679c\u6211\u4eec\u8981\u4fdd\u8bc1 <code>Zuul<\/code> \u7684\u9ad8\u53ef\u7528\uff0c\u6211\u4eec\u5c31\u9700\u8981\u8fdb\u884c <code>Zuul<\/code> \u7684\u96c6\u7fa4\u914d\u7f6e\uff0c\u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u501f\u52a9\u989d\u5916\u7684\u4e00\u4e9b\u8d1f\u8f7d\u5747\u8861\u5668\u6bd4\u5982 <code>Nginx<\/code> \u3002<\/p>\n<h2>Spring Cloud\u914d\u7f6e\u7ba1\u7406\u2014\u2014Config<\/h2>\n<h3>\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u8fdb\u884c\u914d\u7f6e\u7ba1\u7406\uff1f<\/h3>\n<p>\u5f53\u6211\u4eec\u7684\u5fae\u670d\u52a1\u7cfb\u7edf\u5f00\u59cb\u6162\u6162\u5730\u5e9e\u5927\u8d77\u6765\uff0c\u90a3\u4e48\u591a <code>Consumer<\/code> \u3001<code>Provider<\/code> \u3001<code>Eureka Server<\/code> \u3001<code>Zuul<\/code> \u7cfb\u7edf\u90fd\u4f1a\u6301\u6709\u81ea\u5df1\u7684\u914d\u7f6e\uff0c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u5728\u9879\u76ee\u8fd0\u884c\u7684\u65f6\u5019\u53ef\u80fd\u9700\u8981\u66f4\u6539\u67d0\u4e9b\u5e94\u7528\u7684\u914d\u7f6e\uff0c\u5982\u679c\u6211\u4eec\u4e0d\u8fdb\u884c\u914d\u7f6e\u7684\u7edf\u4e00\u7ba1\u7406\uff0c\u6211\u4eec\u53ea\u80fd<strong>\u53bb\u6bcf\u4e2a\u5e94\u7528\u4e0b\u4e00\u4e2a\u4e00\u4e2a\u5bfb\u627e\u914d\u7f6e\u6587\u4ef6\u7136\u540e\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u518d\u91cd\u542f\u5e94\u7528<\/strong>\u3002<\/p>\n<p>\u9996\u5148\u5bf9\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u800c\u8a00\u6211\u4eec\u5c31\u4e0d\u5e94\u8be5\u53bb\u6bcf\u4e2a\u5e94\u7528\u4e0b\u53bb\u5206\u522b\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\uff0c\u518d\u8005\u5bf9\u4e8e\u91cd\u542f\u5e94\u7528\u6765\u8bf4\uff0c\u670d\u52a1\u65e0\u6cd5\u8bbf\u95ee\u6240\u4ee5\u76f4\u63a5\u629b\u5f03\u4e86\u53ef\u7528\u6027\uff0c\u8fd9\u662f\u6211\u4eec\u66f4\u4e0d\u613f\u89c1\u5230\u7684\u3002<\/p>\n<p>\u90a3\u4e48\u6709\u6ca1\u6709\u4e00\u79cd\u65b9\u6cd5<strong>\u65e2\u80fd\u5bf9\u914d\u7f6e\u6587\u4ef6\u7edf\u4e00\u5730\u8fdb\u884c\u7ba1\u7406\uff0c\u53c8\u80fd\u5728\u9879\u76ee\u8fd0\u884c\u65f6\u52a8\u6001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u5462\uff1f<\/strong><\/p>\n<p>\u90a3\u5c31\u662f\u6211\u4eca\u5929\u6240\u8981\u4ecb\u7ecd\u7684 <code>Spring Cloud Config<\/code> \u3002<\/p>\n<blockquote><p>\u80fd\u8fdb\u884c\u914d\u7f6e\u7ba1\u7406\u7684\u6846\u67b6\u4e0d\u6b62 <code>Spring Cloud Config<\/code> \u4e00\u79cd\uff0c\u5927\u5bb6\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u81ea\u5df1\u9009\u62e9\uff08disconf\uff0c\u963f\u6ce2\u7f57\u7b49\u7b49\uff09\u3002\u800c\u4e14\u5bf9\u4e8e <code>Config<\/code> \u6765\u8bf4\u6709\u4e9b\u5730\u65b9\u5b9e\u73b0\u7684\u4e0d\u662f\u90a3\u4e48\u5c3d\u4eba\u610f\u3002<\/p><\/blockquote>\n<h3>Config \u662f\u4ec0\u4e48<\/h3>\n<blockquote><p><code>Spring Cloud Config<\/code> \u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5916\u90e8\u5316\u914d\u7f6e\u63d0\u4f9b\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u652f\u6301\u3002\u4f7f\u7528 <code>Config<\/code> \u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u5728\u4e2d\u5fc3\u4f4d\u7f6e\u7ba1\u7406\u6240\u6709\u73af\u5883\u4e2d\u5e94\u7528\u7a0b\u5e8f\u7684\u5916\u90e8\u5c5e\u6027\u3002<\/p><\/blockquote>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c<code>Spring Cloud Config<\/code> \u5c31\u662f\u80fd\u5c06\u5404\u4e2a \u5e94\u7528\/\u7cfb\u7edf\/\u6a21\u5757 \u7684\u914d\u7f6e\u6587\u4ef6\u5b58\u653e\u5230 <strong>\u7edf\u4e00\u7684\u5730\u65b9\u7136\u540e\u8fdb\u884c\u7ba1\u7406<\/strong>(Git \u6216\u8005 SVN)\u3002<\/p>\n<p>\u4f60\u60f3\u4e00\u4e0b\uff0c\u6211\u4eec\u7684\u5e94\u7528\u662f\u4e0d\u662f\u53ea\u6709\u542f\u52a8\u7684\u65f6\u5019\u624d\u4f1a\u8fdb\u884c\u914d\u7f6e\u6587\u4ef6\u7684\u52a0\u8f7d\uff0c\u90a3\u4e48\u6211\u4eec\u7684 <code>Spring Cloud Config<\/code> \u5c31\u66b4\u9732\u51fa\u4e00\u4e2a\u63a5\u53e3\u7ed9\u542f\u52a8\u5e94\u7528\u6765\u83b7\u53d6\u5b83\u6240\u60f3\u8981\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5e94\u7528\u83b7\u53d6\u5230\u914d\u7f6e\u6587\u4ef6\u7136\u540e\u518d\u8fdb\u884c\u5b83\u7684\u521d\u59cb\u5316\u5de5\u4f5c\u3002\u5c31\u5982\u4e0b\u56fe\u3002<\/p>\n<p><a href=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111703.png\" rel=\"fancybox\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3114\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111703.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111703\" width=\"868\" height=\"425\" \/><\/a><\/p>\n<p>\u5f53\u7136\u8fd9\u91cc\u4f60\u80af\u5b9a\u8fd8\u4f1a\u6709\u4e00\u4e2a\u7591\u95ee\uff0c\u5982\u679c\u6211\u5728\u5e94\u7528\u8fd0\u884c\u65f6\u53bb\u66f4\u6539\u8fdc\u7a0b\u914d\u7f6e\u4ed3\u5e93(Git)\u4e2d\u7684\u5bf9\u5e94\u914d\u7f6e\u6587\u4ef6\uff0c\u90a3\u4e48\u4f9d\u8d56\u4e8e\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u7684\u5df2\u542f\u52a8\u7684\u5e94\u7528\u4f1a\u4e0d\u4f1a\u8fdb\u884c\u5176\u76f8\u5e94\u914d\u7f6e\u7684\u66f4\u6539\u5462\uff1f<\/p>\n<p>\u7b54\u6848\u662f\u4e0d\u4f1a\u7684\u3002<\/p>\n<p>\u4ec0\u4e48\uff1f\u90a3\u600e\u4e48\u8fdb\u884c\u52a8\u6001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u5462\uff1f\u8fd9\u4e0d\u662f\u51fa\u73b0\u4e86 <strong>\u914d\u7f6e\u6f02\u79fb<\/strong> \u5417\uff1f\u4f60\u4e2a\u6e23\u7537\uff0c\u4f60\u53c8\u9a97\u6211\uff01<\/p>\n<p>\u522b\u6025\u561b\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>Webhooks<\/code> \uff0c\u8fd9\u662f <code>github<\/code> \u63d0\u4f9b\u7684\u529f\u80fd\uff0c\u5b83\u80fd\u786e\u4fdd\u8fdc\u7a0b\u5e93\u7684\u914d\u7f6e\u6587\u4ef6\u66f4\u65b0\u540e\u5ba2\u6237\u7aef\u4e2d\u7684\u914d\u7f6e\u4fe1\u606f\u4e5f\u5f97\u5230\u66f4\u65b0\u3002<\/p>\n<p>\u5662\u5662\uff0c\u8fd9\u8fd8\u5dee\u4e0d\u591a\u3002\u6211\u53bb\u67e5\u67e5\u600e\u4e48\u7528\u3002<\/p>\n<p>\u6162\u7740\uff0c\u542c\u6211\u8bf4\u5b8c\uff0c<code>Webhooks<\/code> \u867d\u7136\u80fd\u89e3\u51b3\uff0c\u4f46\u662f\u4f60\u4e86\u89e3\u4e00\u4e0b\u4f1a\u53d1\u73b0\u5b83\u6839\u672c\u4e0d\u9002\u5408\u7528\u4e8e\u751f\u4ea7\u73af\u5883\uff0c\u6240\u4ee5\u57fa\u672c\u4e0d\u4f1a\u4f7f\u7528\u5b83\u7684\u3002<\/p>\n<p>\u800c\u4e00\u822c\u6211\u4eec\u4f1a\u4f7f\u7528 <code>Bus<\/code> \u6d88\u606f\u603b\u7ebf + <code>Spring Cloud Config<\/code> \u8fdb\u884c\u914d\u7f6e\u7684\u52a8\u6001\u5237\u65b0\u3002<\/p>\n<h2>\u5f15\u51fa Spring Cloud Bus<\/h2>\n<blockquote><p>\u7528\u4e8e\u5c06\u670d\u52a1\u548c\u670d\u52a1\u5b9e\u4f8b\u4e0e\u5206\u5e03\u5f0f\u6d88\u606f\u7cfb\u7edf\u94fe\u63a5\u5728\u4e00\u8d77\u7684\u4e8b\u4ef6\u603b\u7ebf\u3002\u5728\u96c6\u7fa4\u4e2d\u4f20\u64ad\u72b6\u6001\u66f4\u6539\u5f88\u6709\u7528\uff08\u4f8b\u5982\u914d\u7f6e\u66f4\u6539\u4e8b\u4ef6\uff09\u3002<\/p><\/blockquote>\n<p>\u4f60\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a <code>Spring Cloud Bus<\/code> \u7684\u4f5c\u7528\u5c31\u662f<strong>\u7ba1\u7406\u548c\u5e7f\u64ad\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6d88\u606f<\/strong>\uff0c\u4e5f\u5c31\u662f\u6d88\u606f\u5f15\u64ce\u7cfb\u7edf\u4e2d\u7684\u5e7f\u64ad\u6a21\u5f0f\u3002\u5f53\u7136\u4f5c\u4e3a <strong>\u6d88\u606f\u603b\u7ebf<\/strong> \u7684 <code>Spring Cloud Bus<\/code> \u53ef\u4ee5\u505a\u5f88\u591a\u4e8b\u800c\u4e0d\u4ec5\u4ec5\u662f\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u5237\u65b0\u529f\u80fd\u3002<\/p>\n<p>\u800c\u62e5\u6709\u4e86 <code>Spring Cloud Bus<\/code> \u4e4b\u540e\uff0c\u6211\u4eec\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u8bf7\u6c42\uff0c\u5e76\u4e14\u52a0\u4e0a <code>@ResfreshScope<\/code> \u6ce8\u89e3\u5c31\u80fd\u8fdb\u884c\u914d\u7f6e\u7684\u52a8\u6001\u4fee\u6539\u4e86\uff0c\u4e0b\u9762\u6211\u753b\u4e86\u5f20\u56fe\u4f9b\u4f60\u7406\u89e3\u3002<img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3112\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111730.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111730\" width=\"837\" height=\"539\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u6211\u5e26\u5927\u5bb6\u521d\u6b65\u4e86\u89e3\u4e86 <code>Spring Cloud<\/code> \u7684\u5404\u4e2a\u7ec4\u4ef6\uff0c\u4ed6\u4eec\u6709<\/p>\n<ul>\n<li>Eureka \u670d\u52a1\u53d1\u73b0\u6846\u67b6<\/li>\n<li>Ribbon \u8fdb\u7a0b\u5185\u8d1f\u8f7d\u5747\u8861\u5668<\/li>\n<li>Open Feign \u670d\u52a1\u8c03\u7528\u6620\u5c04<\/li>\n<li>Hystrix \u670d\u52a1\u964d\u7ea7\u7194\u65ad\u5668<\/li>\n<li>Zuul \u5fae\u670d\u52a1\u7f51\u5173<\/li>\n<li>Config \u5fae\u670d\u52a1\u7edf\u4e00\u914d\u7f6e\u4e2d\u5fc3<\/li>\n<li>Bus \u6d88\u606f\u603b\u7ebf<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u80fd\u8fd9\u4e2a\u65f6\u5019\u80fd\u770b\u61c2\u4e0b\u9762\u90a3\u5f20\u56fe\uff0c\u4e5f\u5c31\u8bf4\u660e\u4e86\u4f60\u5df2\u7ecf\u5bf9 <code>Spring Cloud<\/code> \u5fae\u670d\u52a1\u6709\u4e86\u4e00\u5b9a\u7684\u67b6\u6784\u8ba4\u8bc6\u3002<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-3113\" src=\"https:\/\/ai.zhousir.top\/wp-content\/uploads\/2020\/10\/\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111758.png\" alt=\"\u256c\u0432\u2568\u253c\u255c\u256a\u2550\u255d_20201026111758\" width=\"988\" height=\"573\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u4f5c\u8005 | FrancisQ<\/p>\n<p>\u94fe\u63a5 | juejin.im\/post\/5de2553e5188256e885f4fa3<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u6211\u7ed9\u5927\u5bb6\u770b\u4e00\u5f20\u56fe\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u8fd9\u5f20\u56fe\u6709\u4e9b\u5730\u65b9\u4e0d\u592a\u7406\u89e3\u7684\u8bdd\uff0c\u6211\u5e0c\u671b\u4f60\u4eec\u770b\u5b8c\u6211\u8fd9\u7bc7\u6587\u7ae0\u4f1a\u604d\u7136\u5927\u609f\u3002 \u603b\u4f53\u67b6\u6784 \u4ec0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[152],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3096"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3096"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3096\/revisions"}],"predecessor-version":[{"id":3116,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/3096\/revisions\/3116"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}