{"id":204393,"date":"2025-05-29T12:43:49","date_gmt":"2025-05-29T04:43:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204393\/"},"modified":"2025-05-29T12:43:49","modified_gmt":"2025-05-29T04:43:49","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%9e%90%e5%85%b7%e6%9c%89%e4%b8%8d%e5%90%8c%e5%b1%82%e7%ba%a7%e7%ab%96%e7%ba%bf%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204393\/","title":{"rendered":"\u5982\u4f55\u89e3\u6790\u5177\u6709\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf\u7684\u5b57\u7b26\u4e32\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u89e3\u6790\u5177\u6709\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf\u7684\u5b57\u7b26\u4e32\uff1f<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241106\/1730884190672b325ef281f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5b57\u7b26\u4e32\u5c42\u7ea7\u89e3\u6790<\/strong><\/p>\n<p>\u5982\u4f55\u533a\u5206\u5b57\u7b26\u4e32\u4e2d\u4e0d\u540c\u5c42\u7ea7\u7684\u5206\u9694\u7b26\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u7f16\u7a0b\u95ee\u9898\u3002\u4e0b\u9762\u63a2\u8ba8\u5982\u4f55\u89e3\u6790\u5177\u6709\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf\u7684\u5b57\u7b26\u4e32\uff0c\u4ee5\u4e00\u5c42\u5c42\u8f93\u51fa\u5206\u89e3\u7ed3\u679c\u3002<\/p>\n<p><strong>\u89e3\u6790\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf<\/strong><\/p>\n<p>\u8981\u533a\u5206\u4e0d\u540c\u5c42\u7ea7\u7684\u7ad6\u7ebf\uff0c\u4e00\u79cd\u65b9\u6cd5\u662f\u904d\u5386\u5b57\u7b26\u4e32\u5e76\u8ddf\u8e2a\u5176\u5d4c\u5957\u7ea7\u522b\u3002\u5f53\u9047\u5230\u4e00\u4e2a\u5de6\u65b9\u62ec\u53f7\u6216\u5de6\u82b1\u62ec\u53f7\u65f6\uff0c\u5d4c\u5957\u7ea7\u522b\u589e\u52a0\u4e00\u3002\u5f53\u9047\u5230\u4e00\u4e2a\u53f3\u65b9\u62ec\u53f7\u6216\u53f3\u82b1\u62ec\u53f7\u65f6\uff0c\u5d4c\u5957\u7ea7\u522b\u51cf\u5c11\u4e00\u3002<\/p>\n<p><strong>\u4f7f\u7528\u5b57\u5178\u5b58\u50a8\u5c42\u7ea7\u4fe1\u606f<\/strong><\/p>\n<p>\u8981\u5b58\u50a8\u5b57\u7b26\u4e32\u4e2d\u4e0d\u540c\u5c42\u7ea7\u7684\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u5b57\u5178\uff0c\u5176\u4e2d\u952e\u662f\u5d4c\u5957\u7ea7\u522b\uff0c\u503c\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u5b58\u50a8\u8be5\u7ea7\u522b\u4e2d\u5206\u9694\u7b26\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u89e3\u6790\u793a\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u5b57\u7b26\u4e32 &#8216;a [ b { c | d } | e ]&#8217;\u3002\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u89e3\u6790\uff1a<\/p>\n<ol>\n<li>\u904d\u5386\u5b57\u7b26\u4e32\uff0c\u5e76\u8ddf\u8e2a\u5d4c\u5957\u7ea7\u522b\u3002<\/li>\n<li>\u5f53\u9047\u5230 [ \u6216 { \u65f6\uff0c\u5d4c\u5957\u7ea7\u522b\u52a0\u4e00\u3002<\/li>\n<li>\u5f53\u9047\u5230 ] \u6216 } \u65f6\uff0c\u5d4c\u5957\u7ea7\u522b\u51cf\u4e00\u3002<\/li>\n<li>\u5f53\u9047\u5230 | \u65f6\uff0c\u5c06\u5176\u4f4d\u7f6e\u6dfb\u52a0\u5230\u5b57\u5178\u4e2d\uff0c\u5176\u4e2d\u952e\u662f\u5f53\u524d\u5d4c\u5957\u7ea7\u522b\u3002<\/li>\n<\/ol>\n<p><strong>\u8f93\u51fa\u5206\u5c42\u7ed3\u679c<\/strong><\/p>\n<p>\u6839\u636e\u5b57\u5178\u4e2d\u5b58\u50a8\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4e00\u5c42\u4e00\u5c42\u5730\u5206\u89e3\u5b57\u7b26\u4e32\uff1a<\/p>\n<ol>\n<li>\u521d\u59cb\u5316\u4e00\u4e2a\u5217\u8868\uff0c\u5305\u542b\u539f\u59cb\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u904d\u5386\u5d4c\u5957\u7ea7\u522b\u4ece\u6700\u4f4e\u5230\u6700\u9ad8\u3002<\/li>\n<li>\u5bf9\u4e8e\u6bcf\u4e2a\u5d4c\u5957\u7ea7\u522b\uff0c\u5c06\u5b57\u5178\u4e2d\u76f8\u5e94\u5217\u8868\u4e2d\u7684\u5206\u9694\u7b26\u4f4d\u7f6e\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u4e2d\u3002<\/li>\n<li>\u6700\u540e\uff0c\u8f93\u51fa\u5206\u5c42\u540e\u7684\u7ed3\u679c\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\u89e3\u6790\u7ed3\u679c<\/strong><\/p>\n<pre>['A', 'B { C | D } | E']\n['A', ['B { C | D }','E']]\n['A', ['B','[ C | D ]','E']]\n['A', ['B',['C','D'],'E']]<\/pre>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u89e3\u6790\u5177\u6709\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf\u7684\u5b57\u7b26\u4e32\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u89e3\u6790\u5177\u6709\u4e0d\u540c\u5c42\u7ea7\u7ad6\u7ebf\u7684\u5b57\u7b26\u4e32&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204393","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204393"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204393\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}