{"id":27730,"date":"2024-11-24T11:01:31","date_gmt":"2024-11-24T03:01:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/27730\/"},"modified":"2024-11-24T11:01:31","modified_gmt":"2024-11-24T03:01:31","slug":"php%e6%80%8e%e4%b9%88%e5%8e%bb%e6%8e%89%e5%a4%9a%e4%bd%99%e7%9a%84%e6%a0%87%e7%ad%be","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/27730\/","title":{"rendered":"php\u600e\u4e48\u53bb\u6389\u591a\u4f59\u7684\u6807\u7b7e"},"content":{"rendered":"<blockquote><p>\n  \u672c\u6587\u9488\u5bf9 php \u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u65b9\u6cd5\u6765\u79fb\u9664\u4e0d\u5fc5\u8981\u7684 html \u6807\u7b7e\u3002\u901a\u8fc7\u5229\u7528\u5185\u7f6e\u7684 domdocument \u7c7b\u548c\u76f8\u5e94\u7684 xpath \u8868\u8fbe\u5f0f\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u8bc6\u522b\u548c\u5220\u9664\u591a\u4f59\u7684\u5143\u7d20\uff0c\u4ece\u800c\u4f18\u5316\u4f60\u7684 html \u4ee3\u7801\u5e93\uff0c\u63d0\u5347\u7f51\u9875\u7684\u6027\u80fd\u548c\u52a0\u8f7d\u901f\u5ea6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/11\/2024111115165381253.jpg\" class=\"aligncenter\" title=\"php\u600e\u4e48\u53bb\u6389\u591a\u4f59\u7684\u6807\u7b7e\u63d2\u56fe\" alt=\"php\u600e\u4e48\u53bb\u6389\u591a\u4f59\u7684\u6807\u7b7e\u63d2\u56fe\" \/><\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\"><strong>1. \u786e\u5b9a\u8981\u5220\u9664\u7684\u6807\u7b7e<\/strong><\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\"><strong>1.1 \u624b\u52a8\u68c0\u67e5<\/strong><\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\">\u68c0\u67e5 HTML \u6e90\u4ee3\u7801\u5e76\u624b\u52a8\u8bc6\u522b\u8981\u5220\u9664\u7684\u591a\u4f59\u6807\u7b7e\u3002\u6b64\u65b9\u6cd5\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u4e0d\u9002\u7528\u4e8e\u5927\u578b\u6216\u590d\u6742\u7684 HTML \u6587\u6863\u3002<\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\"><strong>1.2 \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong><\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\">\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u800c\u901a\u7528\u7684\u6a21\u5f0f\u5339\u914d\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u6765\u8bc6\u522b\u548c\u5220\u9664\u591a\u4f59\u7684\u6807\u7b7e\u3002\u4ee5\u4e0b\u662f\u7528\u4e8e\u5220\u9664 HTML \u4e2d\u7a7a\u6807\u7b7e\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a<\/p>\n<pre>]*&amp;gt;s*&amp;gt;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\"><strong>1.3 \u4f7f\u7528 HTML \u89e3\u6790\u5668<\/strong><\/p>\n<p style=\"margin-top: 0px;margin-bottom: 9px;font-family:\">HTML \u89e3\u6790\u5668\u662f\u89e3\u6790 HTML \u6587\u6863\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u64cd\u4f5c\u6570\u636e\u7ed3\u6784\u7684\u5de5\u5177\u3002\u8fd9\u4e9b\u89e3\u6790\u5668\u901a\u5e38\u63d0\u4f9b\u65b9\u6cd5\u6765\u68c0\u6d4b\u548c\u5220\u9664\u591a\u4f59\u7684\u6807\u7b7e\u3002\u4ee5\u4e0b\u662f\u7528 Python \u8bed\u8a00\u4f7f\u7528 lxml \u5e93\u5220\u9664\u7a7a\u6807\u7b7e\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>import&nbsp;lxml.html<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fphp\u600e\u4e48\u53bb\u6389\u591a\u4f59\u7684\u6807\u7b7e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u9488\u5bf9 php \u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u65b9\u6cd5\u6765\u79fb\u9664\u4e0d\u5fc5\u8981\u7684 html \u6807\u7b7e\u3002\u901a\u8fc7\u5229\u7528\u5185\u7f6e\u7684 domdocument \u7c7b\u548c\u76f8\u5e94\u7684 xpath \u8868\u8fbe\u5f0f\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u8bc6\u522b\u548c\u5220\u9664\u591a\u4f59\u7684\u5143\u7d20\uff0c\u4ece\u800c\u4f18\u5316\u4f60\u7684 html \u4ee3\u7801\u5e93\uff0c\u63d0\u5347\u7f51\u9875\u7684\u6027\u80fd\u548c\u52a0\u8f7d\u901f\u5ea6\u3002 1. \u786e\u5b9a\u8981\u5220\u9664\u7684\u6807\u7b7e 1.1 \u624b\u52a8\u68c0\u67e5 \u68c0\u67e5 HTML \u6e90\u4ee3\u7801\u5e76\u624b\u52a8\u8bc6\u522b\u8981\u5220\u9664\u7684\u591a\u4f59\u6807\u7b7e\u3002\u6b64\u65b9\u6cd5\u6bd4\u8f83\u7b80\u5355\uff0c\u4f46\u4e0d\u9002\u7528\u4e8e\u5927\u578b\u6216\u590d\u6742\u7684 HTML \u6587\u6863\u3002 1.2 \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f \u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u800c\u901a\u7528\u7684\u6a21\u5f0f\u5339\u914d\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u6765\u8bc6\u522b\u548c\u5220\u9664\u591a\u4f59\u7684\u6807\u7b7e\u3002\u4ee5\u4e0b\u662f\u7528\u4e8e\u5220\u9664 HTML \u4e2d\u7a7a\u6807\u7b7e\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\uff1a ]*&amp;gt;s*&amp;gt; \u767b\u5f55\u540e\u590d\u5236 1.3 \u4f7f\u7528 HTML \u89e3\u6790\u5668 HTML \u89e3\u6790\u5668\u662f\u89e3\u6790 HTML \u6587\u6863\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u53ef\u64cd\u4f5c\u6570\u636e\u7ed3\u6784\u7684\u5de5\u5177\u3002\u8fd9\u4e9b\u89e3\u6790\u5668\u901a\u5e38\u63d0\u4f9b\u65b9\u6cd5\u6765\u68c0\u6d4b\u548c\u5220\u9664\u591a\u4f59\u7684\u6807\u7b7e\u3002\u4ee5\u4e0b\u662f\u7528 Python \u8bed\u8a00\u4f7f\u7528 lxml \u5e93\u5220\u9664\u7a7a\u6807\u7b7e\u7684\u793a\u4f8b\uff1a import&nbsp;lxml.html \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662fphp\u600e\u4e48\u53bb\u6389\u591a\u4f59\u7684\u6807\u7b7e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-27730","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=27730"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/27730\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=27730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=27730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=27730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}