{"id":47497,"date":"2024-12-02T12:16:00","date_gmt":"2024-12-02T04:16:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47497\/"},"modified":"2024-12-02T12:16:00","modified_gmt":"2024-12-02T04:16:00","slug":"php-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e8%bf%94%e5%9b%9e%e4%b8%80%e4%b8%aa-dom-%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47497\/","title":{"rendered":"PHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>PHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aPHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>returnDomElement \u51fd\u6570\u53ef\u5c06 DOM \u5143\u7d20\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\uff0c\u8bed\u6cd5\u4e3a returnDomElement(DOMElement $domElement) : string\uff0c\u53c2\u6570\u4e3a DOM \u5143\u7d20 $domElement\uff0c\u8fd4\u56de\u503c\u4e3a\u5305\u542b DOM \u5143\u7d20\u8868\u793a\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729921107671c805363c38.jpg\" class=\"aligncenter\" title=\"PHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20\u63d2\u56fe\" alt=\"PHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u7528 PHP \u51fd\u6570\u8fd4\u56de DOM \u5143\u7d20<\/strong><\/p>\n<p>DOM\uff08\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff09\u662f\u4e00\u4e2a\u8868\u793a HTML \u6216 XML \u6587\u6863\u6570\u636e\u7684\u5206\u5c42\u6811\u5f62\u7ed3\u6784\u3002PHP \u63d0\u4f9b\u4e86\u51e0\u4e2a\u51fd\u6570\u6765\u5904\u7406 DOM \u5143\u7d20\uff0c\u5176\u4e2d returnDomElement \u51fd\u6570\u53ef\u4ee5\u5c06 DOM \u5143\u7d20\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre>returnDomElement(DOMElement $domElement) : string<\/pre>\n<p><strong>\u53c2\u6570<\/strong><\/p>\n<ul>\n<li><code>$domElement<\/code>\uff1a\u8981\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\u7684 DOM \u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u8fd4\u56de\u503c<\/strong><\/p>\n<p>\u8fd4\u56de\u4e00\u4e2a\u5305\u542b DOM \u5143\u7d20\u8868\u793a\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 returnDomElement \u51fd\u6570\u5c06 DOM \u5143\u7d20\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\uff1a<\/p>\n<pre>$dom = new DOMDocument();\n$dom-&gt;loadHTML('&lt;html&gt;&lt;body&gt;&lt;h1&gt;Hello World&lt;\/h1&gt;&lt;\/body&gt;&lt;\/html&gt;');\n\n$h1 = $dom-&gt;getElementsByTagName('h1')[0];\n\necho returnDomElement($h1); \/\/ \u8f93\u51fa\uff1a&lt;h1&gt;Hello World&lt;\/h1&gt;<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a DOMDocument \u5bf9\u8c61\u5e76\u52a0\u8f7d\u4e86\u4e00\u4e2a\u5305\u542b\u5355\u4e2a h1 \u5143\u7d20\u7684 HTML \u5b57\u7b26\u4e32\u3002\u7136\u540e\uff0c\u6211\u4eec\u5c06 h1 \u5143\u7d20\u5b58\u50a8\u5728 $h1 \u53d8\u91cf\u4e2d\uff0c\u6700\u540e\u4f7f\u7528 returnDomElement \u51fd\u6570\u5c06\u5b83\u4f5c\u4e3a\u5b57\u7b26\u4e32\u8f93\u51fa\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 returnDomElement \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5c06 DOM \u5143\u7d20\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\uff0c\u8fd9\u5728\u9700\u8981\u5728\u4e0d\u540c\u4e0a\u4e0b\u6587\uff08\u5982 JSON \u54cd\u5e94\u6216\u5305\u542b HTML \u7684\u51fd\u6570\uff09\u4e2d\u4f7f\u7528 DOM \u5143\u7d20\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20 \u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u5982\u4f55\u8fd4\u56de\u4e00\u4e2a DOM \u5143\u7d20\u300b\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 returnDomElement \u51fd\u6570\u53ef\u5c06 DOM \u5143\u7d20\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\uff0c\u8bed\u6cd5\u4e3a returnDomElement(DOMElement $domElement) : string\uff0c\u53c2\u6570\u4e3a DOM \u5143\u7d20 $domElement\uff0c\u8fd4\u56de\u503c\u4e3a\u5305\u542b DOM \u5143\u7d20\u8868\u793a\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\u3002 \u7528 PHP \u51fd\u6570\u8fd4\u56de DOM \u5143\u7d20 DOM\uff08\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff09\u662f\u4e00\u4e2a\u8868\u793a HTML \u6216 XML \u6587\u6863\u6570\u636e\u7684\u5206\u5c42\u6811\u5f62\u7ed3\u6784\u3002PHP \u63d0\u4f9b\u4e86\u51e0\u4e2a\u51fd\u6570\u6765\u5904\u7406 DOM \u5143\u7d20\uff0c\u5176\u4e2d returnDomElement \u51fd\u6570\u53ef\u4ee5\u5c06 DOM \u5143\u7d20\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\u3002 \u8bed\u6cd5 returnDomElement(DOMElement $domElement) : string \u53c2\u6570 $domElement\uff1a\u8981\u8fd4\u56de\u4e3a\u5b57\u7b26\u4e32\u7684 DOM \u5143\u7d20\u3002 \u8fd4\u56de\u503c \u8fd4\u56de\u4e00\u4e2a\u5305\u542b DOM \u5143\u7d20\u8868\u793a\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\u3002 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 returnDomElement \u51fd\u6570\u5c06 [&hellip;]<\/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-47497","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47497","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=47497"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47497\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}