{"id":1516,"date":"2025-12-21T21:10:25","date_gmt":"2025-12-21T13:10:25","guid":{"rendered":"https:\/\/eve2333.top\/?p=1516"},"modified":"2025-12-22T16:46:27","modified_gmt":"2025-12-22T08:46:27","slug":"%e5%8a%a8%e6%80%81%e7%ba%bf%e7%a8%8b%e6%b1%a0onethread%e7%b3%bb%e7%bb%9f-%e7%ac%ac%e4%ba%94%e9%83%a8%e5%88%86-%e7%ba%bf%e7%a8%8b%e6%b1%a0%e5%85%b7%e4%bd%93%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=1516","title":{"rendered":"\u52a8\u6001\u7ebf\u7a0b\u6c60oneThread\u7cfb\u7edf \u2014 \u7b2c\u4e94\u90e8\u5206 \u7ebf\u7a0b\u6c60\u5177\u4f53\u914d\u7f6e"},"content":{"rendered":"\n<p><strong>\u76f4\u63a5\u7528 nacos \u7684 @refreshScope @value \u4e0d\u884c\u5417\uff0c\u54c8\u54c8\u54c8\uff0c\u611f\u89c9\u539f\u7406\u662f\u4e00\u6837\u7684\u554a<\/strong><\/p>\n\n\n\n<p><strong>\u9a6c\u4e01&nbsp;\u56de\u590d&nbsp;\u4e00\u5207\u968f\u7f18\uff1a\u7406\u8bba\u4e0a\u662f\u53ef\u884c\u7684\uff0c\u5f53\u65f6\u8bbe\u8ba1 Hippo4j \u65f6\u56e0\u4e3a\u8981\u5bf9\u63a5\u7684\u914d\u7f6e\u4e2d\u5fc3\u6bd4\u8f83\u591a\uff0c\u6240\u4ee5\u91c7\u7528\u4e86\u539f\u59cb\u76d1\u542c\u53d8\u66f4\u8fdb\u884c\u624b\u52a8\u5e8f\u5217\u5316\u7684\u65b9\u6848\uff1b<br>\u521a\u624d\u53c8\u770b\u4e86\u4e0b\u4ee3\u7801\uff0coneThread \u4e3a\u4ec0\u4e48\u6ca1\u6709\u52a0 @Refxxx \u6ce8\u89e3\uff1f\u56e0\u4e3a BootstrapConfigProperties \u5728 spring-base\uff0c\u6ca1\u6709\u529e\u6cd5\u4f7f\u7528 @ConfigurationProperties \u548c @RefreshScope<\/strong><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u901a\u8fc7Nacos\u5b9e\u73b0\u7ebf\u7a0b\u6c60\u53c2\u6570\u914d\u7f6e<\/h1>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4ec0\u4e48\u662f Nacos\uff1f\uff08\u6838\u5fc3\u5b9a\u4e49\uff09<\/h4>\n\n\n\n<p>Nacos (\/n\u0251:k\u0259\u028as\/) \u662f <strong>Dynamic Naming and Configuration Service<\/strong> \u7684\u7f29\u5199\u3002\u5b83\u662f\u6784\u5efa\u4e91\u539f\u751f\u5e94\u7528\u7684\u4e00\u4e2a<strong>\u52a8\u6001\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u7ba1\u7406\u548c\u670d\u52a1\u7ba1\u7406<\/strong>\u5e73\u53f0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u4f4d<\/strong>\uff1a\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u7684\u201c\u670d\u52a1\u57fa\u7840\u8bbe\u65bd\u201d\u3002<\/li>\n\n\n\n<li><strong>\u4e09\u5927\u6838\u5fc3\u80fd\u529b<\/strong>\uff1a\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u7ba1\u7406\u3001\u52a8\u6001 DNS \u670d\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u6838\u5fc3\u529f\u80fd\u8be6\u89e3\uff08\u5fc5\u80cc\uff09<\/h4>\n\n\n\n<p><strong>A. \u52a8\u6001\u914d\u7f6e\u670d\u52a1\uff08Dynamic Configuration\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\u5b9e\u73b0\u914d\u7f6e\u7684<strong>\u4e2d\u5fc3\u5316\u3001\u5916\u90e8\u5316\u3001\u52a8\u6001\u5316<\/strong>\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u7279\u6027<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u6001\u751f\u6548<\/strong>\uff1a\u914d\u7f6e\u53d8\u66f4\u5b9e\u65f6\u63a8\u9001\uff0c\u65e0\u9700\u91cd\u542f\u5e94\u7528\u6216\u670d\u52a1\u3002<\/li>\n\n\n\n<li><strong>\u5b89\u5168\u7ba1\u63a7<\/strong>\uff1a\u652f\u6301\u914d\u7f6e\u7248\u672c\u8ddf\u8e2a\uff08\u5386\u53f2\u7248\u672c\u67e5\u770b\uff09\u3001\u4e00\u952e\u56de\u6eda\u3001\u91d1\u4e1d\u96c0\u53d1\u5e03\uff08\u7070\u5ea6\u53d1\u5e03\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6613\u7528\u6027<\/strong>\uff1a\u63d0\u4f9b\u7b80\u6d01\u7684 UI \u63a7\u5236\u53f0\uff0c\u652f\u6301\u5ba2\u6237\u7aef\u914d\u7f6e\u66f4\u65b0\u72b6\u6001\u7684\u5b9e\u65f6\u8ddf\u8e2a\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u8026<\/strong>\uff1a\u8ba9\u670d\u52a1\u5b9e\u73b0\u201c\u65e0\u72b6\u6001\u5316\u201d\uff0c\u4fbf\u4e8e\u6309\u9700\u5f39\u6027\u6269\u5c55\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>B. \u670d\u52a1\u53d1\u73b0\u4e0e\u5065\u5eb7\u76d1\u6d4b\uff08Naming Service\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53d1\u73b0\u65b9\u5f0f<\/strong>\uff1a\u652f\u6301\u57fa\u4e8e DNS \u548c RPC \u7684\u670d\u52a1\u53d1\u73b0\u3002\u670d\u52a1\u901a\u8fc7 SDK \u6216 OpenAPI \u6ce8\u518c\uff0c\u6d88\u8d39\u8005\u901a\u8fc7 HTTP \u6216 API \u67e5\u627e\u3002<\/li>\n\n\n\n<li><strong>\u5065\u5eb7\u68c0\u67e5\u673a\u5236\uff08\u4e24\u79cd\u6a21\u5f0f\uff09<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>Agent \u4e0a\u62a5\u6a21\u5f0f<\/strong>\uff1a\u5ba2\u6237\u7aef\u4e3b\u52a8\u5411\u670d\u52a1\u7aef\u53d1\u9001\u5fc3\u8df3\u3002<\/li>\n\n\n\n<li><strong>\u670d\u52a1\u7aef\u4e3b\u52a8\u68c0\u6d4b<\/strong>\uff1a\u670d\u52a1\u7aef\u4e3b\u52a8\u63a2\u6d4b\u5ba2\u6237\u7aef\u72b6\u6001\uff08\u652f\u6301 TCP\u3001HTTP\u3001MySQL\u3001\u7528\u6237\u81ea\u5b9a\u4e49\u68c0\u6d4b\uff09\u3002<\/li>\n<\/ol>\n<\/li>\n\n\n\n<li><strong>\u6d41\u91cf\u9694\u79bb<\/strong>\uff1a\u5b9e\u65f6\u68c0\u6d4b\u5065\u5eb7\u72b6\u6001\uff0c\u81ea\u52a8\u5254\u9664\u4e0d\u5065\u5eb7\u5b9e\u4f8b\uff0c\u963b\u6b62\u8bf7\u6c42\u53d1\u9001\u5230\u6545\u969c\u8282\u70b9\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>C. \u52a8\u6001 DNS \u670d\u52a1<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8def\u7531\u7b56\u7565<\/strong>\uff1a\u652f\u6301\u6743\u91cd\u8def\u7531\uff0c\u65b9\u4fbf\u5b9e\u73b0\u4e2d\u95f4\u5c42\u8d1f\u8f7d\u5747\u8861\u548c\u6d41\u91cf\u63a7\u5236\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u8026<\/strong>\uff1a\u57fa\u4e8e\u6807\u51c6 DNS \u534f\u8bae\uff0c\u907f\u514d\u5e94\u7528\u8026\u5408\u5728\u7279\u5b9a\u5382\u5546\u7684\u79c1\u6709\u670d\u52a1\u53d1\u73b0 API \u4e0a\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>D. \u670d\u52a1\u5143\u6570\u636e\u7ba1\u7406<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u5168\u5c40\u89c6\u89d2\u7ba1\u7406\u670d\u52a1\u7684\u63cf\u8ff0\u3001\u751f\u547d\u5468\u671f\u3001\u9759\u6001\u4f9d\u8d56\u5206\u6790\u3001SLA\uff08\u670d\u52a1\u7b49\u7ea7\u534f\u8bae\uff09\u53ca Metrics \u7edf\u8ba1\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u4ea7\u54c1\u6838\u5fc3\u4f18\u52bf\uff08\u4f53\u73b0\u67b6\u6784\u6df1\u5ea6\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6781\u81f4\u6027\u80fd\u4e0e\u5bb9\u91cf<\/strong>\uff1a\u6e90\u81ea\u963f\u91cc\u201c\u53cc\u5341\u4e00\u201d\u573a\u666f\uff0c\u652f\u6301<strong>\u767e\u4e07\u7ea7<\/strong>\u670d\u52a1\u5b9e\u4f8b\u6ce8\u518c\u4e0e<strong>\u6d77\u91cf<\/strong>\u914d\u7f6e\u7ba1\u7406\uff0c\u5177\u5907\u6781\u5feb\u4f38\u7f29\u80fd\u529b\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u53ef\u7528\u6027<\/strong>\uff1a\u57fa\u4e8e<strong>\u81ea\u7814\u540c\u6b65\u534f\u8bae + Raft \u534f\u8bae<\/strong>\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u96c6\u7fa4\u7a33\u5b9a\u6027\uff0c\u652f\u6301\u6c34\u5e73\u6269\u5c55\u3002<\/li>\n\n\n\n<li><strong>\u6613\u7528\u6027\u4e0e\u751f\u6001<\/strong>\uff1a\u65e0\u7f1d\u517c\u5bb9 <strong>Spring Cloud\u3001Dubbo<\/strong> \u7b49\u4e3b\u6d41\u5f00\u6e90\u6846\u67b6\uff0c\u63d0\u4f9b\u4e30\u5bcc\u7684\u63d2\u4ef6\u5316\u80fd\u529b\u548c\u76f4\u89c2\u7684 Web \u64cd\u4f5c\u754c\u9762\u3002<\/li>\n\n\n\n<li><strong>\u5f00\u653e\u6807\u51c6<\/strong>\uff1a\u9075\u5faa\u4e91\u539f\u751f\u6700\u4f73\u5b9e\u8df5\uff0c\u652f\u6301\u6df7\u5408\u4e91\u3001\u516c\u6709\u4e91\u53ca\u79c1\u6709\u4e91\u73af\u5883\u4e0b\u7684\u65e0\u7f1d\u5bf9\u63a5\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u8bbe\u8ba1\u7406\u5ff5\uff08\u5347\u534e\u56de\u7b54\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e00\u5207\u7686\u670d\u52a1<\/strong>\uff1a\u5c06\u6240\u6709\u8282\u70b9\u548c\u8d44\u6e90\u62bd\u8c61\u4e3a\u201c\u670d\u52a1\u201d\uff0c\u5efa\u7acb\u670d\u52a1\u95f4\u7684\u8fde\u63a5\u3002<\/li>\n\n\n\n<li><strong>\u56db\u9879\u57fa\u672c\u539f\u5219<\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>\u6613\u4e8e\u4f7f\u7528<\/strong>\uff1a\u7b80\u5316\u6ce8\u518c\u3001\u53d1\u73b0\u4e0e\u914d\u7f6e\u6d41\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u9762\u5411\u6807\u51c6<\/strong>\uff1a\u5bf9\u63a5\u4e91\u539f\u751f\u534f\u8bae\u4e0e\u6807\u51c6\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u53ef\u7528<\/strong>\uff1a\u901a\u8fc7\u96c6\u7fa4\u6a21\u5f0f\u907f\u514d\u5355\u70b9\u6545\u969c\u3002<\/li>\n\n\n\n<li><strong>\u65b9\u4fbf\u6269\u5c55<\/strong>\uff1a\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u7ec4\u4ef6\u53ef\u72ec\u7acb\u66ff\u6362\u6216\u81ea\u5b9a\u4e49\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Q\uff1aNacos \u548c Consul\/Eureka \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>A<\/strong>\uff1aNacos \u540c\u65f6\u652f\u6301 <strong>AP \u548c CP<\/strong> \u6a21\u5f0f\uff08\u53ef\u5207\u6362\uff09\uff0c\u800c Eureka \u4ec5\u652f\u6301 AP\uff0cConsul \u4ec5\u652f\u6301 CP\u3002\u6b64\u5916\uff0cNacos \u96c6\u6210\u4e86\u914d\u7f6e\u4e2d\u5fc3\u529f\u80fd\uff0c\u800c Eureka \u9700\u8981\u914d\u5408 Spring Cloud Config \u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Q\uff1aNacos \u7684\u914d\u7f6e\u66f4\u65b0\u662f\u5982\u4f55\u5b9e\u65f6\u901a\u77e5\u5ba2\u6237\u7aef\u7684\uff1f<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>A<\/strong>\uff1a\u57fa\u4e8e <strong>\u957f\u8f6e\u8be2\u673a\u5236 (Long Polling)<\/strong>\u3002\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u8be2\u95ee\u914d\u7f6e\u662f\u5426\u6709\u53d8\u66f4\uff0c\u670d\u52a1\u7aef\u5982\u679c\u6ca1\u53d8\u66f4\u4f1a\u6302\u8d77\u8bf7\u6c42\uff0c\u76f4\u5230\u6709\u53d8\u66f4\u6216\u8d85\u65f6\uff08\u901a\u5e38 29.5s\uff09\u624d\u8fd4\u56de\u3002\u8fd9\u6bd4\u63a8\u6a21\u5f0f\uff08Push\uff09\u66f4\u8282\u7701\u670d\u52a1\u7aef\u8d44\u6e90\uff0c\u6bd4\u77ed\u8f6e\u8be2\uff08Pull\uff09\u66f4\u5177\u5b9e\u65f6\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Q\uff1aNacos \u5982\u4f55\u5904\u7406\u5927\u89c4\u6a21\u670d\u52a1\u6ce8\u518c\u7684\u538b\u529b\uff1f<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>A<\/strong>\uff1a\u901a\u8fc7\u5206\u7247\u5b58\u50a8\u3001\u5f02\u6b65\u5904\u7406\u548c\u5185\u5b58\u7d22\u5f15\u4f18\u5316\u3002\u540c\u65f6\u652f\u6301\u96c6\u7fa4\u6a21\u5f0f\uff0c\u901a\u8fc7 Raft \u6216 Distro \u534f\u8bae\u4fdd\u8bc1\u8282\u70b9\u95f4\u6570\u636e\u540c\u6b65\uff0c\u5b9e\u73b0\u7ebf\u6027\u6269\u5bb9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Nacos \u5982\u4f55\u5b8c\u6210\u914d\u7f6e\u76d1\u542c\uff1f<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u672c\u7ae0\u8282\u7684\u91cd\u70b9\u5185\u5bb9\u96c6\u4e2d\u5728\u4e24\u4e2a\u6a21\u5757\uff1a<code>common-spring-boot-starter<\/code> \u548c <code>nacos-cloud-spring-boot-starter<\/code>\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u4ece\u6574\u4f53\u4e0a\u770b\uff0c\u52a8\u6001\u7ebf\u7a0b\u6c60\u53c2\u6570\u53d8\u66f4\u7684\u6d41\u7a0b\u5176\u5b9e\u5e76\u4e0d\u590d\u6742\uff0c\u53ef\u4ee5\u7c7b\u6bd4\u4e3a\u201c\u628a\u5927\u8c61\u88c5\u8fdb\u51b0\u7bb1\u201d\u7684\u4e09\u6b65\u8d70\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>1.<strong>\u76d1\u542c\u914d\u7f6e\u53d8\u66f4<\/strong> \uff1aSpringBoot \u6ce8\u518c\u4e86\u76d1\u542c\u5668\uff0c\u4e00\u65e6\u68c0\u6d4b\u5230 Nacos \u914d\u7f6e\u6587\u4ef6\u53d1\u751f\u53d8\u66f4\uff0c\u7acb\u5373\u83b7\u53d6\u6700\u65b0\u7684\u914d\u7f6e\u4fe1\u606f\uff1b<\/li>\n\n\n\n<li>2.<strong>\u53c2\u6570\u7ed1\u5b9a<\/strong> \uff1a\u5c06\u63a5\u6536\u5230\u7684\u6700\u65b0\u914d\u7f6e\u5185\u5bb9\uff0c\u7ed1\u5b9a\u5230 <code>BootstrapConfigProperties<\/code> \u5bf9\u8c61\u4e2d\uff0c\u5b8c\u6210\u5b57\u7b26\u4e32 \u2192 Java \u5bf9\u8c61\u7684\u8f6c\u6362\uff1b<\/li>\n\n\n\n<li>3.<strong>\u66f4\u65b0\u7ebf\u7a0b\u6c60<\/strong> \uff1a\u901a\u8fc7 <code>BootstrapConfigProperties<\/code> \u4e0e\u5f53\u524d\u7ebf\u7a0b\u6c60\u53c2\u6570\u8fdb\u884c\u6bd4\u5bf9\uff0c\u53d1\u73b0\u53d8\u66f4\u5219\u6267\u884c\u66f4\u65b0\u64cd\u4f5c\uff0c\u65e0\u53d8\u66f4\u5219\u8df3\u8fc7\uff0c\u907f\u514d\u65e0\u610f\u4e49\u5237\u65b0\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"723\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image-1024x723.png\" alt=\"\" class=\"wp-image-1528\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image-1024x723.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image-300x212.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image-768x542.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image-1536x1085.png 1536w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/12\/1766322879-image.png 1647w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u3001 \u6838\u5fc3\u6d41\u7a0b\u6df1\u5ea6\u89e3\u6790\uff1a\u628a\u201c\u5927\u8c61\u201d\u88c5\u8fdb\u51b0\u7bb1<\/h3>\n\n\n\n<p>\u5982\u4f60\u6240\u8ff0\uff0c\u6d41\u7a0b\u5206\u4e3a\u4e09\u6b65\u3002\u6211\u4eec\u7ed3\u5408<strong>\u65f6\u5e8f\u56fe<\/strong>\u6765\u8be6\u7ec6\u62c6\u89e3\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u76d1\u542c\u914d\u7f6e\u53d8\u66f4\uff08\u6ce8\u518c\u94a9\u5b50\uff09Nacos Listener<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u4f5c\u53d1\u8d77\u8005<\/strong>\uff1aSpringBoot \u5e94\u7528\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u7ec4\u4ef6<\/strong>\uff1aNacosCloudRefresherHandlerV1\uff08\u5b9e\u73b0\u4e86 ApplicationRunner \u63a5\u53e3\uff09\u3002<\/li>\n\n\n\n<li><strong>\u903b\u8f91\u7ec6\u8282<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5728\u5e94\u7528\u542f\u52a8\u5e76\u51c6\u5907\u5c31\u7eea\u540e\uff0crun(args) \u65b9\u6cd5\u88ab\u89e6\u53d1\u3002<\/li>\n\n\n\n<li>\u5b83\u901a\u8fc7 configService.addListener \u5411 Nacos \u6ce8\u518c\u4e00\u4e2a\u76d1\u542c\u5668\u3002<\/li>\n\n\n\n<li><strong>\u6ce8\u610f\u70b9<\/strong>\uff1a\u4e3a\u4e86\u9632\u6b62 Nacos \u56de\u8c03\u903b\u8f91\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u4ee3\u7801\u4e2d\u901a\u8fc7 getExecutor() \u81ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5355\u7ebf\u7a0b\u6c60\u6765\u5904\u7406\u914d\u7f6e\u53d8\u66f4\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u53c2\u6570\u7ed1\u5b9a\uff08\u5bf9\u8c61\u8f6c\u6362\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u4f5c\u53d1\u8d77\u8005<\/strong>\uff1aNacos \u5ba2\u6237\u7aef\u56de\u8c03\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u7ec4\u4ef6<\/strong>\uff1aBinder (Spring Boot \u539f\u751f\u7ed1\u5b9a\u5de5\u5177)\u3002<\/li>\n\n\n\n<li><strong>\u903b\u8f91\u7ec6\u8282<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>Nacos \u63a8\u9001\u7684\u662f\u539f\u59cb\u7684 <strong>YAML\/Properties \u5b57\u7b26\u4e32<\/strong>\u3002<\/li>\n\n\n\n<li>\u6d41\u7a0b\u4e2d\u5148\u7528 ConfigParserHandler \u5c06\u5b57\u7b26\u4e32\u89e3\u6790\u6210 Map\u3002<\/li>\n\n\n\n<li>\u518d\u5229\u7528 Binder \u673a\u5236\uff0c\u5c06 Map \u6620\u5c04\u5230 Java \u5bf9\u8c61 BootstrapConfigProperties\u3002\u8fd9\u4e00\u6b65\u662f\u201c\u5316\u8150\u673d\u4e3a\u795e\u5947\u201d\uff0c\u81ea\u52a8\u5904\u7406\u4e86\u590d\u6742\u7684\u5d4c\u5957\u548c\u7c7b\u578b\u8f6c\u6362\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u901a\u8fc7\u524d\u9762\u7684\u5c55\u793a\uff0c\u5927\u5bb6\u5e94\u8be5\u6ce8\u610f\u5230\u4e86\uff1aNacos \u5728\u914d\u7f6e\u53d8\u66f4\u65f6\u4f20\u9012\u7ed9\u76d1\u542c\u5668\u7684\uff0c\u662f\u6574\u4e2a\u914d\u7f6e\u6587\u4ef6\u5185\u5bb9\u7684\u5b57\u7b26\u4e32\u3002\u7531\u4e8e\u6211\u4eec\u914d\u7f6e\u7684\u662f <strong>YAML\u683c\u5f0f<\/strong> \uff0c\u6240\u4ee5\u8fd9\u91cc\u63a5\u6536\u5230\u7684\u4e5f\u662f\u4e00\u6574\u6bb5 YAML \u5b57\u7b26\u4e32\uff08\u5982\u679c\u662f <code>properties<\/code> \u683c\u5f0f\u7684\u914d\u7f6e\uff0c\u540c\u7406\u8fd4\u56de\u7684\u5c31\u662f properties \u5b57\u7b26\u4e32\uff09\u3002<\/p>\n\n\n\n<p>\u4f46\u8fd9\u6bb5\u5b57\u7b26\u4e32\u662f\u539f\u59cb\u5185\u5bb9\uff0c\u6ca1\u6cd5\u76f4\u63a5\u7528\u5728\u4e1a\u52a1\u903b\u8f91\u91cc\u3002\u90a3\u6211\u4eec\u8be5\u600e\u4e48\u529e\uff1f\u5f88\u7b80\u5355\uff1a<strong>\u5c06\u5b83\u89e3\u6790\u4e3aJava\u5bf9\u8c61<\/strong> \u3002\u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2d\uff0c\u5c31\u662f\u5c06\u5b83\u8f6c\u6362\u4e3a <code>BootstrapConfigProperties<\/code> \u5b9e\u4f8b\uff0c\u540e\u7eed\u7ebf\u7a0b\u6c60\u7684\u52a8\u6001\u5237\u65b0\u624d\u53ef\u4ee5\u8fdb\u884c\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u5177\u4f53\u7684\u89e3\u6790\u4ee3\u7801\u903b\u8f91\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-1-config-info-map\">2.1 configInfo \u2192 Map\uff1a\u914d\u7f6e\u5b57\u7b26\u4e32\u89e3\u6790<\/h4>\n\n\n\n<p><code>parseConfig<\/code> \u65b9\u6cd5\u5c06\u6765\u81ea Nacos \u7684\u914d\u7f6e\u5185\u5bb9\uff08\u5b57\u7b26\u4e32\uff09\u89e3\u6790\u4e3a\u4e00\u4e2a\u6241\u5e73\u5316\u7684 <code>Map&lt;Object, Object&gt;<\/code>\uff0c\u7528\u4e8e\u540e\u7eed\u7ed1\u5b9a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<p>\u914d\u7f6e\u89e3\u6790\u5668 ConfigParserHandler \u65b9\u6cd5\u804c\u8d23\u5927\u5bb6\u5df2\u7ecf\u6e05\u695a\u4e86\uff0c\u4ee3\u7801\u5e76\u4e0d\u591a\u4e5f\u4e0d\u96be\uff0c\u7b80\u5355\u7528\u5230\u4e86\u5355\u4f8b\u548c\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\uff0c\u5927\u5bb6\u53ef\u4ee5\u70b9 Debug \u770b\u4e0b\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-2-map-property-source-spring\">2.2 Map \u2192 PropertySource\uff1a\u9002\u914d\u4e3a Spring \u914d\u7f6e\u6e90<\/h4>\n\n\n\n<p>\u5c06 Map \u5c01\u88c5\u4e3a SpringBoot \u7684 <code>ConfigurationPropertySource<\/code>\uff0c\u8ba9\u5176\u5177\u5907\u201c\u914d\u7f6e\u7ed1\u5b9a\u201d\u7684\u80fd\u529b\u3002\u8be5\u80fd\u529b\u4e3a SpringBoot \u539f\u751f\u63d0\u4f9b\u7684\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\uff0c\u521b\u5efa\u4e00\u4e2a\u914d\u7f6e\u7ed1\u5b9a\u5668\uff0c\u7528\u4e8e\u5c06 <code>PropertySource<\/code> \u4e2d\u7684\u914d\u7f6e\u9879\u7ed1\u5b9a\u5230 Java \u5bf9\u8c61\u4e0a\u3002<strong><code>Binder<\/code> \u662f SpringBoot \u7684\u5e95\u5c42\u7ed1\u5b9a\u5f15\u64ce\uff0c\u80fd\u591f\u5c06\u914d\u7f6e\u6e90\u7684\u6570\u636e\u7ed1\u5b9a\u5230 Java \u5bf9\u8c61\u4e2d\u3002\u5b83\u652f\u6301\u9ed8\u8ba4\u503c\u3001\u5d4c\u5957\u5bf9\u8c61\u3001\u96c6\u5408\u3001\u6cdb\u578b\u3001\u7c7b\u578b\u8f6c\u6362\u7b49\u5404\u79cd\u590d\u6742\u914d\u7f6e\u7684\u81ea\u52a8\u7ed1\u5b9a\u903b\u8f91\uff0c\u771f\u7684\u662f\u5f3a\u5230\u79bb\u8c31\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u8fd9\u91cc\u5fc5\u987b\u5f97\u603b\u7ed3\u4e00\u6761\u8840\u7684\u6559\u8bad\uff1a\u5f53\u4f60\u51c6\u5907\u624b\u64b8\u4e00\u4e9b\u590d\u6742\u5e95\u5c42\u903b\u8f91\u65f6\uff0c\u522b\u6025\u7740\u95ed\u95e8\u9020\u8f66\u3002\u56e0\u4e3a\u4f60\u9047\u5230\u7684\u95ee\u9898\uff0c\u5927\u6982\u7387\u5df2\u7ecf\u88ab\u65e0\u6570\u5927\u4f6c\u8e29\u8fc7\u5751\u4e86\u2014\u2014\u5173\u952e\u662f\u4ed6\u4eec\u4e0d\u4ec5\u8e29\u8fc7\uff0c\u8fd8\u628a\u8f6e\u5b50\u9020\u5f97\u53c8\u7a33\u53c8\u5e05\uff0c\u6211\u4eec\u76f4\u63a5\u62ff\u6765\u7528\uff0c\u7701\u65f6\u7701\u529b\u8fd8\u66f4\u4e13\u4e1a\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-3-bind-java\">2.3 bind \u2192 Java\u5bf9\u8c61\uff1a\u7ed1\u5b9a\u4e3a\u914d\u7f6e\u7c7b\u5b9e\u4f8b<\/h4>\n\n\n\n<p>\u901a\u8fc7 <code>Binder<\/code> \u5c06\u914d\u7f6e\u6e90\u7684\u5185\u5bb9\u7ed1\u5b9a\u5230\u5df2\u6709\u7684 <code>properties<\/code> \u5bf9\u8c61\u4e0a\uff0c\u751f\u6210\u4e00\u4e2a\u6700\u65b0\u7684\u914d\u7f6e\u5b9e\u4f8b <code>refresherProperties<\/code>\u3002\u5176\u4e2d\u7684 <code>\"onethread\"<\/code> \u662f\u7ed1\u5b9a\u7684\u524d\u7f00\uff0c\u8868\u793a\u53ea\u4f1a\u6ce8\u5165\u8fd9\u4e2a\u524d\u7f00\u4e0b\u5bf9\u5e94\u7684\u914d\u7f6e\u5b57\u6bb5\u3002<\/p>\n\n\n\n<p>\u5e95\u5c42\u539f\u7406\u662f\uff1aSpring Boot \u4f1a\u4f7f\u7528\u53cd\u5c04\u673a\u5236\uff0c\u6839\u636e\u914d\u7f6e\u9879\u81ea\u52a8\u8c03\u7528 JavaObject \u7684 <code>setXxx()<\/code> \u65b9\u6cd5\u5b8c\u6210\u5c5e\u6027\u8d4b\u503c\uff0c\u975e\u5e38\u667a\u80fd\u3002<\/p>\n\n\n\n<p>\u6700\u540e\u7684 <code>.get()<\/code> \u8868\u793a\u53d6\u51fa\u7ed1\u5b9a\u7ed3\u679c\uff0c<strong>\u6ce8\u610f<\/strong> \uff1a\u5982\u679c\u6ca1\u6709\u6210\u529f\u5339\u914d\u914d\u7f6e\u9879\uff0c\u8fd9\u91cc\u4f1a\u76f4\u63a5\u629b\u51fa\u5f02\u5e38\uff0c\u56e0\u6b64\u901a\u5e38\u5728\u751f\u4ea7\u573a\u666f\u4e2d\u5efa\u8bae\u914d\u5408 <code>Optional<\/code> \u6216 <code>orElse<\/code> \u8fdb\u884c\u515c\u5e95\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b9e\u73b0 <strong>\u52a8\u6001\u7ebf\u7a0b\u6c60\u53c2\u6570\u76d1\u542c\u4e0e\u5237\u65b0<\/strong> \u7684\u6838\u5fc3\u903b\u8f91\u3002\u548c\u6211\u4eec\u4e4b\u524d\u6784\u5efa <code>common-spring-boot-starter<\/code> \u7684\u8fc7\u7a0b\u4e00\u6837\uff0c\u8fd9\u91cc\u4f9d\u7136\u9075\u5faa <strong>SpringBootStarter\u7684\u81ea\u52a8\u88c5\u914d\u4e09\u90e8\u66f2<\/strong> \uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>1.\u7f16\u5199\u6838\u5fc3\u4e1a\u52a1\u903b\u8f91\uff08\u76d1\u542c\u914d\u7f6e\u53d8\u5316\u3001\u5237\u65b0\u7ebf\u7a0b\u6c60\u53c2\u6570\uff09\uff1b<\/li>\n\n\n\n<li>2.\u7f16\u5199\u914d\u7f6e\u7c7b\uff0c\u5c06\u6838\u5fc3\u903b\u8f91\u6ce8\u518c\u4e3a Spring Bean\uff1b<\/li>\n\n\n\n<li>3.\u901a\u8fc7\u81ea\u52a8\u88c5\u914d\u673a\u5236\u8ba9 SpringBoot \u611f\u77e5\u5e76\u52a0\u8f7d\u8fd9\u4e9b Bean\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u9075\u5faa\u8fd9\u4e2a\u5957\u8def\uff0c\u6211\u4eec\u5c31\u80fd\u987a\u5229\u5b8c\u6210\u57fa\u4e8e Nacos \u7684\u52a8\u6001\u7ebf\u7a0b\u6c60\u914d\u7f6e\u76d1\u542c\u529f\u80fd\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u66f4\u65b0\u7ebf\u7a0b\u6c60\uff08\u6267\u884c\u53d8\u66f4\uff09<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u4f5c\u53d1\u8d77\u8005<\/strong>\uff1aHandler \u5185\u90e8\u903b\u8f91\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u7ec4\u4ef6<\/strong>\uff1aThreadPoolExecutor \u539f\u751f API\u3002<\/li>\n\n\n\n<li><strong>\u903b\u8f91\u7ec6\u8282<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u62ff\u5230\u6700\u65b0\u7684\u914d\u7f6e\u5bf9\u8c61\u540e\uff0c\u4e0e\u5f53\u524d\u5185\u5b58\u4e2d\u7684\u7ebf\u7a0b\u6c60\u53c2\u6570\uff08\u5982 corePoolSize, maximumPoolSize\uff09\u8fdb\u884c\u6bd4\u5bf9\u3002<\/li>\n\n\n\n<li><strong>\u5dee\u5f02\u5316\u66f4\u65b0<\/strong>\uff1a\u53ea\u6709\u5f53\u53c2\u6570\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u624d\u8c03\u7528 executor.setCorePoolSize() \u7b49\u65b9\u6cd5\u3002\u5982\u679c\u6ca1\u6709\u53d8\u5316\uff0c\u76f4\u63a5\u8df3\u8fc7\uff08Skip\uff09\uff0c\u907f\u514d\u65e0\u610f\u4e49\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u529f\u80fd\u6a21\u5757<\/td><td>\u5efa\u8bae\u76ee\u5f55\u4f4d\u7f6e<\/td><td>\u7406\u7531<\/td><\/tr><tr><td><strong>\u6838\u5fc3\u914d\u7f6e\u5b9a\u4e49<\/strong><\/td><td>core\/...\/config\/BootstrapConfigProperties.java<\/td><td>\u5b58\u653e\u7ebf\u7a0b\u6c60\u7684\u914d\u7f6e\u5c5e\u6027\u7c7b\uff0c\u6240\u6709\u6a21\u5757\u5171\u7528\u3002<\/td><\/tr><tr><td><strong>\u914d\u7f6e\u89e3\u6790\u903b\u8f91<\/strong><\/td><td>core\/...\/parser\/ConfigParserHandler.java<\/td><td>\u8d1f\u8d23 YAML\/Properties \u5230 Map \u7684\u8f6c\u6362\u903b\u8f91\u3002<\/td><\/tr><tr><td><strong>\u7ebf\u7a0b\u6c60\u64cd\u4f5c\u652f\u6491<\/strong><\/td><td>core\/...\/executor\/support\/<\/td><td>\u5c01\u88c5\u539f\u751f\u7ebf\u7a0b\u6c60\u7684\u66f4\u65b0\u65b9\u6cd5\uff08\u5982\u52a8\u6001\u8c03\u6574\u6838\u5fc3\u7ebf\u7a0b\u6570\uff09\u3002<\/td><\/tr><tr><td><strong>Nacos \u5237\u65b0\u5904\u7406\u5668<\/strong><\/td><td>starter\/...\/config\/NacosCloudRefresherHandlerV1.java<\/td><td>\u5c5e\u4e8e Starter \u5c42\uff0c\u8d1f\u8d23\u4e0e Nacos \u751f\u6001\u5bf9\u63a5\u5e76\u5b9e\u73b0\u81ea\u52a8\u52a0\u8f7d\u3002<\/td><\/tr><tr><td><strong>\u81ea\u52a8\u88c5\u914d\u914d\u7f6e<\/strong><\/td><td>starter\/src\/main\/resources\/META-INF\/spring\/<\/td><td>\u7f16\u5199 org.springframework.boot.autoconfigure.AutoConfiguration.imports\uff0c\u8ba9 Spring \u542f\u52a8\u65f6\u81ea\u52a8\u53d1\u73b0 Handler\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u51e0\u4e2a\u9ad8\u7ea7\u4f18\u5316\u5efa\u8bae<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4e3a\u4ec0\u4e48\u7528 ApplicationRunner \u800c\u4e0d\u662f @PostConstruct\uff1f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: ApplicationContext Ready.<\/li>\n\n\n\n<li><strong>\u7406\u7531<\/strong>: @PostConstruct \u89e6\u53d1\u65f6\uff0cSpring \u5bb9\u5668\u53ef\u80fd\u8fd8\u6ca1\u5b8c\u5168\u521d\u59cb\u5316\u5b8c\u6210\u3002\u800c ApplicationRunner \u786e\u4fdd\u4e86\u5728\u6240\u6709 Bean \u90fd\u52a0\u8f7d\u5b8c\u6bd5\u3001\u4e14\u5e94\u7528\u5df2\u51c6\u5907\u597d\u63a5\u6536\u6d41\u91cf\u65f6\u624d\u6267\u884c\u3002\u5bf9\u4e8e\u6ce8\u518c\u76d1\u542c\u5668\u8fd9\u79cd\u201c\u5916\u8bbe\u5bf9\u63a5\u201d\u64cd\u4f5c\uff0cApplicationRunner \u66f4\u5b89\u5168\u7a33\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u5de7\u7528 Spring \u7684 Binder \u907f\u5f00\u201c\u4ee3\u7801\u5c4e\u5c71\u201d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: Zero-Code Mapping.<\/li>\n\n\n\n<li><strong>\u786c\u6838\u70b9<\/strong>: \u5f88\u591a\u521d\u5b66\u8005\u4f1a\u624b\u52a8\u89e3\u6790 Map \u5e76\u4e00\u4e2a\u4e2a\u8d4b\u503c\uff08\u5982 if(map.get(\"size\") != null) properties.setSize(...)\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5efa\u8bae<\/strong>: \u5f3a\u5236\u4f7f\u7528 Spring Boot \u63d0\u4f9b\u7684 Binder\u3002\u5b83\u80fd\u5904\u7406 camelCase\uff08\u9a7c\u5cf0\uff09\u548c kebab-case\uff08\u77ed\u6a2a\u7ebf\uff09\u7684\u81ea\u52a8\u5339\u914d\uff0c\u8fd8\u80fd\u5904\u7406 List \u548c Map \u96c6\u5408\u7684\u7ed1\u5b9a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. \u7ebf\u7a0b\u6c60\u53d8\u66f4\u7684\u201c\u5e73\u6ed1\u6027\u201d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: Dynamic Adjustment.<\/li>\n\n\n\n<li><strong>\u6ce8\u610f<\/strong>: \u52a8\u6001\u8c03\u6574 corePoolSize \u65f6\uff0c\u5982\u679c\u65b0\u503c\u5c0f\u4e8e\u65e7\u503c\uff0cJDK \u4f1a\u7b49\u5f85\u591a\u4f59\u7684\u7ebf\u7a0b\u6267\u884c\u5b8c\u5f53\u524d\u4efb\u52a1\u540e\u81ea\u7136\u9500\u6bc1\uff1b\u5982\u679c\u65b0\u503c\u5927\u4e8e\u65e7\u503c\uff0c\u4e14\u5f53\u524d\u6709\u4efb\u52a1\u5728\u961f\u5217\u7b49\u5f85\uff0cJDK \u4f1a\u7acb\u5373\u521b\u5efa\u65b0\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u5751\u70b9<\/strong>: \u8c03\u6574 workQueue\uff08\u961f\u5217\u5bb9\u91cf\uff09\u5728\u539f\u751f JDK \u4e2d\u662f\u4e0d\u652f\u6301\u7684\uff08capacity \u5b57\u6bb5\u662f final \u7684\uff09\u3002\u5982\u679c\u9700\u8981\u52a8\u6001\u8c03\u6574\u961f\u5217\u5927\u5c0f\uff0c\u9700\u8981\u81ea\u5b9a\u4e49\u6216\u4f7f\u7528\u7c7b\u4f3c ResizableCapacityLinkedBlockingQueue \u7684\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. \u5e42\u7b49\u6027\u4e0e\u65e5\u5fd7\u5ba1\u8ba1<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: Idempotency &amp; Audit Log.<\/li>\n\n\n\n<li><strong>\u5efa\u8bae<\/strong>:\n<ol class=\"wp-block-list\">\n<li><strong>MD5 \u6821\u9a8c<\/strong>: \u5728\u5904\u7406 configInfo \u5b57\u7b26\u4e32\u524d\uff0c\u5148\u7b97\u4e00\u4e2a MD5 \u503c\uff0c\u4e0e\u4e0a\u6b21\u8bb0\u5f55\u5bf9\u6bd4\u3002\u5982\u679c\u914d\u7f6e\u5185\u5bb9\u6ca1\u53d8\uff0c\u76f4\u63a5\u8fd4\u56de\uff0c\u9632\u6b62 Nacos \u8bef\u62a5\u5bfc\u81f4\u9891\u7e41\u89e6\u53d1\u89e3\u6790\u3002<\/li>\n\n\n\n<li><strong>\u53d8\u66f4\u65e5\u5fd7<\/strong>: \u52a1\u5fc5\u6253\u5370 Before \u548c After \u7684\u53c2\u6570\u5bf9\u6bd4\u65e5\u5fd7\uff0c\u4f8b\u5982\uff1aThreadPool [order-service] coreSize changed: 10 -&gt; 20\u3002\u8fd9\u662f\u7ebf\u4e0a\u6392\u67e5\u95ee\u9898\u7684\u6551\u547d\u7a3b\u8349\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">5. \u5f02\u5e38\u5bb9\u9519<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: Safe-Fallback.<\/li>\n\n\n\n<li><strong>\u5efa\u8bae<\/strong>: \u5728 receiveConfigInfo \u5185\u90e8\u903b\u8f91\u4e2d\uff0c\u5fc5\u987b\u5957\u4e00\u5c42\u5de8\u5927\u7684 try-catch\u3002\u4e0d\u8981\u56e0\u4e3a\u4e00\u6b21\u914d\u7f6e\u89e3\u6790\u5931\u8d25\uff08\u6bd4\u5982\u914d\u7f6e\u5199\u9519\u4e86\u5bfc\u81f4 YAML \u8bed\u6cd5\u9519\u8bef\uff09\u5c31\u628a Nacos \u5ba2\u6237\u7aef\u7684\u56de\u8c03\u7ebf\u7a0b\u641e\u5d29\u4e86\uff0c\u5426\u5219\u540e\u7eed\u6240\u6709\u914d\u7f6e\u53d8\u66f4\u90fd\u4f1a\u5931\u6548\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u3001 \u6838\u5fc3\u903b\u8f91\u8fdb\u9636\uff1a\u914d\u7f6e\u89e3\u6790\u5668\uff08<code>core<\/code> \u6a21\u5757\uff09<\/h3>\n\n\n\n<p>\u5728\u65f6\u5e8f\u56fe\u4e2d\uff0c\u89e3\u6790 <code>configInfo<\/code> \u662f\u5173\u952e\u4e00\u6b65\u3002\u4e3a\u4e86\u652f\u6301 YAML\u3001Properties \u7b49\u591a\u79cd\u683c\u5f0f\uff0c\u5efa\u8bae\u5728 <code>core<\/code> \u6a21\u5757\u7684 <code>parser<\/code> \u5305\u4e0b\u91c7\u7528<strong>\u7b56\u7565\u6a21\u5f0f<\/strong>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4ee3\u7801\u4f4d\u7f6e\uff1a<code>core\/...\/parser\/ConfigParser.java<\/code><\/h4>\n\n\n\n<p>\u5b9a\u4e49\u4e00\u4e2a\u62bd\u8c61\u63a5\u53e3\uff0c\u8ba9\u4e0d\u540c\u7684\u683c\u5f0f\uff08YAML\/Props\uff09\u53bb\u5b9e\u73b0\u5b83\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public interface ConfigParser {\n    \/\/ \u68c0\u67e5\u662f\u5426\u652f\u6301\u8be5\u540e\u7f00\uff0c\u5982 .yaml\n    boolean supports(String fileExtension);\n    \/\/ \u89e3\u6790\u5b57\u7b26\u4e32\u4e3a Map\n    Map&lt;Object, Object&gt; doParse(String content);\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u4ee3\u7801\u4f4d\u7f6e\uff1a<code>core\/...\/parser\/ConfigParserHandler.java<\/code><\/h4>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u5355\u4f8b\u5de5\u5382\uff0c\u8d1f\u8d23\u6839\u636e\u6587\u4ef6\u7c7b\u578b\u8c03\u7528\u6b63\u786e\u7684\u89e3\u6790\u5668\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: <code>SPI \/ Factory Pattern<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6709\u7528\u5efa\u8bae<\/strong>\uff1a\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>ServiceLoader<\/code> \u52a8\u6001\u52a0\u8f7d\u89e3\u6790\u5668\uff0c\u8fd9\u6837\u4ee5\u540e\u60f3\u652f\u6301 JSON \u683c\u5f0f\uff0c\u53ea\u9700\u65b0\u589e\u4e00\u4e2a\u5b9e\u73b0\u7c7b\uff0c\u65e0\u9700\u6539\u52a8\u6838\u5fc3\u4ee3\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u3001 \u6838\u5fc3\u903b\u8f91\u8fdb\u9636\uff1a\u53c2\u6570\u6bd4\u5bf9\u4e0e\u52a8\u6001\u66f4\u65b0\uff08<code>core<\/code> \u6a21\u5757\uff09<\/h3>\n\n\n\n<p>\u5f53 <code>Binder<\/code> \u751f\u6210\u4e86\u65b0\u7684 <code>refresherProperties<\/code> \u540e\uff0c\u4e0d\u80fd\u76f4\u63a5\u8986\u76d6\u65e7\u7684\uff0c\u800c\u662f\u8981<strong>\u6bd4\u5bf9 -&gt; \u7b5b\u9009 -&gt; \u66f4\u65b0<\/strong>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4ee3\u7801\u4f4d\u7f6e\uff1a<code>core\/...\/executor\/support\/ThreadPoolBuilder.java<\/code> (\u6216\u7c7b\u4f3c\u5de5\u5177\u7c7b)<\/h4>\n\n\n\n<p>\u4f60\u9700\u8981\u4e00\u5957\u5de5\u5177\u65b9\u6cd5\u6765\u64cd\u4f5c\u539f\u751f\u7684 <code>ThreadPoolExecutor<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4f2a\u4ee3\u7801\u793a\u4f8b\uff1a\u5728 HandlerV1 \u4e2d\u8c03\u7528\npublic void checkAndRefreshThreadPoolProperties(BootstrapConfigProperties newProps) {\n    newProps.getExecutors().forEach(newExecutorProp -&gt; {\n        \/\/ 1. \u4ece\u672c\u5730\u6ce8\u518c\u8868\u4e2d\u83b7\u53d6\u5f53\u524d\u8fd0\u884c\u4e2d\u7684\u7ebf\u7a0b\u6c60\u5b9e\u4f8b\n        ThreadPoolExecutor executor = ThreadPoolRegistry.getHolder(newExecutorProp.getThreadPoolId());\n\n        \/\/ 2. \u6bd4\u5bf9\u6838\u5fc3\u53c2\u6570\u662f\u5426\u53d8\u5316\n        if (!Objects.equals(executor.getCorePoolSize(), newExecutorProp.getCorePoolSize())) {\n            executor.setCorePoolSize(newExecutorProp.getCorePoolSize());\n            log.info(\"\u7ebf\u7a0b\u6c60 &#91;{}] CorePoolSize \u5df2\u66f4\u65b0: {} -&gt; {}\", ...);\n        }\n\n        if (!Objects.equals(executor.getMaximumPoolSize(), newExecutorProp.getMaximumPoolSize())) {\n            executor.setMaximumPoolSize(newExecutorProp.getMaximumPoolSize());\n        }\n\n        \/\/ 3. \u66f4\u65b0\u5176\u4ed6\u52a8\u6001\u53c2\u6570\uff1akeepAliveTime, RejectedHandler \u7b49\n    });\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: <code>ThreadPoolRegistry<\/code>\uff08\u7ebf\u7a0b\u6c60\u6ce8\u518c\u8868\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8bbe\u8ba1\u7ec6\u8282<\/strong>\uff1a\u4f60\u9700\u8981\u4e00\u4e2a\u5168\u5c40\u7684 <code>Map&lt;String, ThreadPoolExecutor&gt;<\/code> \u6765\u7ef4\u62a4\u5e94\u7528\u4e2d\u6240\u6709\u7684\u7ebf\u7a0b\u6c60\u5b9e\u4f8b\uff0c\u8fd9\u6837\u5728\u914d\u7f6e\u53d8\u66f4\u65f6\u624d\u80fd\u7cbe\u51c6\u627e\u5230\u8981\u6539\u54ea\u4e00\u4e2a\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u3001 Starter \u7684\u201c\u9b54\u529b\u201d\uff1a\u81ea\u52a8\u88c5\u914d\uff08<code>starter<\/code> \u6a21\u5757\uff09<\/h3>\n\n\n\n<p>\u8981\u8ba9 <code>NacosCloudRefresherHandlerV1<\/code> \u751f\u6548\uff0c\u4e0d\u9700\u8981\u7528\u6237\u624b\u52a8 <code>new<\/code>\uff0c\u800c\u662f\u9760 Spring Boot \u7684\u81ea\u52a8\u914d\u7f6e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \u4ee3\u7801\u4f4d\u7f6e\uff1a<code>starter\/...\/config\/DynamicThreadPoolAutoConfiguration.java<\/code><\/h4>\n\n\n\n<p>\u8fd9\u662f Starter \u7684\u5165\u53e3\u7c7b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Configuration\n@ConditionalOnProperty(prefix = \"onethread.nacos\", name = \"enabled\", haveValue = \"true\")\n@Import(NacosCloudRefresherHandlerV1.class) \/\/ \u5c06 Handler \u5f15\u5165 Spring \u5bb9\u5668\npublic class DynamicThreadPoolAutoConfiguration {\n    \/\/ \u8fd9\u91cc\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e9b\u57fa\u7840\u7684 Bean\uff0c\u6bd4\u5982 ConfigService \u7684\u6ce8\u5165\n}<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u4ee3\u7801\u4f4d\u7f6e\uff1a<code>starter\/src\/main\/resources\/META-INF\/spring\/org.springframework.boot.autoconfigure.AutoConfiguration.imports<\/code><\/h4>\n\n\n\n<p>\uff08\u9002\u7528\u4e8e Spring Boot 2.7+ \/ 3.x\uff09\u5728\u6b64\u6587\u4ef6\u4e2d\u5199\u5165\uff1a<br><code>com.nageoffer.onethread.starter.config.DynamicThreadPoolAutoConfiguration<\/code><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Token<\/strong>: <code>ConditionalOnProperty<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u6709\u7528\u5efa\u8bae<\/strong>\uff1a\u901a\u8fc7\u8fd9\u4e2a\u6ce8\u89e3\uff0c\u7528\u6237\u53ef\u4ee5\u5728 <code>application.yaml<\/code> \u4e2d\u901a\u8fc7 <code>onethread.nacos.enabled: false<\/code> \u4e00\u952e\u5173\u95ed\u6574\u4e2a\u52a8\u6001\u5237\u65b0\u529f\u80fd\uff0c\u589e\u52a0\u4e86\u6846\u67b6\u7684\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5728\u5904\u7406 Nacos \u56de\u8c03\u65f6\uff0c\u6709\u51e0\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u7ec6\u8282\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>MD5 \u7b7e\u540d\u6821\u9a8c<\/strong>\uff1a<br>Nacos \u5076\u5c14\u4f1a\u89e6\u53d1\u201c\u4f2a\u53d8\u66f4\u201d\u3002\u5728\u6267\u884c\u590d\u6742\u7684 <code>Binder<\/code> \u7ed1\u5b9a\u524d\uff0c\u53ef\u4ee5\u5148\u8ba1\u7b97 <code>configInfo<\/code> \u7684 MD5 \u503c\u5e76\u7f13\u5b58\u3002\u5982\u679c MD5 \u6ca1\u53d8\uff0c\u76f4\u63a5 <code>return<\/code>\u3002\u8fd9\u80fd\u663e\u8457\u964d\u4f4e\u5728\u9ad8\u9891\u6ce2\u52a8\u4e0b\u7684\u7cfb\u7edf\u5f00\u9500\u3002<\/li>\n\n\n\n<li><strong>\u539f\u5b50\u6027\u4fdd\u8bc1<\/strong>\uff1a<br>\u867d\u7136 <code>setCorePoolSize<\/code> \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u4f46\u5982\u679c\u4f60\u540c\u65f6\u4fee\u6539 <code>Core<\/code> \u548c <code>Max<\/code>\uff0c\u5efa\u8bae\u5148\u8c03\u5927 <code>Max<\/code> \u518d\u8c03\u5927 <code>Core<\/code>\uff08\u53cd\u4e4b\u5219\u5148\u8c03\u5c0f <code>Core<\/code>\uff09\uff0c\u4ee5\u7b26\u5408 JDK \u7ebf\u7a0b\u6c60\u7684\u5185\u90e8\u6821\u9a8c\u903b\u8f91\uff08<code>Max<\/code> \u5fc5\u987b\u5927\u4e8e\u7b49\u4e8e <code>Core<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u6790\u5931\u8d25\u7684\u515c\u5e95<\/strong>\uff1a<br>\u5982\u679c\u7528\u6237\u5728 Nacos \u4e0a\u5199\u9519\u4e86\u4e00\u4e2a\u5b57\u6bcd\u5bfc\u81f4 YAML \u89e3\u6790\u5931\u8d25\uff0c<code>Binder<\/code> \u4f1a\u629b\u5f02\u5e38\u3002<strong>\u4e00\u5b9a\u8981\u5728 <code>receiveConfigInfo<\/code> \u9876\u5c42\u52a0 try-catch<\/strong>\uff0c\u5e76\u6253\u5370 <code>Error<\/code> \u7ea7\u522b\u65e5\u5fd7\u3002\u5426\u5219\uff0c\u56de\u8c03\u7ebf\u7a0b\u4e00\u65e6\u5d29\u6e83\uff0c\u9664\u975e\u91cd\u542f\u5e94\u7528\uff0c\u5426\u5219\u8be5\u5b9e\u4f8b\u518d\u4e5f\u6536\u4e0d\u5230 Nacos \u7684\u914d\u7f6e\u63a8\u9001\u4e86\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8bf4\u6709\u4ee3\u7801\u8be6\u89c1git\u5206\u652f--------\u52a8\u6001\u7ebf\u7a0b\u6c60oneThread\u7cfb\u7edf \u2014 \u7b2c5\u90e8\u5206v1 \u5df2\u4fee\u6539bug\u65e0\u62a5\u9519<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76f4\u63a5\u7528 nacos \u7684 @refreshScope @value \u4e0d\u884c\u5417\uff0c\u54c8\u54c8\u54c8\uff0c\u611f\u89c9\u539f\u7406\u662f\u4e00\u6837\u7684\u554a \u9a6c\u4e01&nbsp;\u56de\u590d&#038;nbs &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-1516","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1516"}],"version-history":[{"count":10,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1516\/revisions"}],"predecessor-version":[{"id":1536,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1516\/revisions\/1536"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}