{"id":61621,"date":"2024-10-13T12:26:17","date_gmt":"2024-10-13T04:26:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61621\/"},"modified":"2024-10-13T12:26:17","modified_gmt":"2024-10-13T04:26:17","slug":"html%e5%a6%82%e4%bd%95%e5%be%9e%e5%85%b6%e4%bb%96%e7%b6%b2%e9%a0%81%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-html%e7%8d%b2%e5%8f%96%e5%85%b6%e4%bb%96%e7%b6%b2%e9%a0%81%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61621\/","title":{"rendered":"HTML\u5982\u4f55\u5f9e\u5176\u4ed6\u7db2\u9801\u7372\u53d6\u6578\u64da\u5eab\uff1f (html\u7372\u53d6\u5176\u4ed6\u7db2\u9801\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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Feed<\/strong>\uff1a\u9019\u4e9b\u662f\u7db2\u7ad9\u63d0\u4f9b\u7684\u6578\u64da\u6d41\uff0c\u901a\u5e38\u7528\u65bc\u66f4\u65b0\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8html%e5%92%8cjavascript%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e7%8d%b2%e5%8f%96-qYOJPXrZzZ\">\u4f7f\u7528HTML\u548cJavaScript\u9032\u884c\u6578\u64da\u7372\u53d6<\/h2>\n<p>\u5982\u679c\u4f60\u5e0c\u671b\u5f9e\u5176\u4ed6\u7db2\u9801\u7372\u53d6\u6578\u64da\uff0cHTML\u548cJavaScript\u662f\u5169\u500b\u91cd\u8981\u7684\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e7%9b%ae%e6%a8%99%e7%b6%b2%e7%ab%99-qYOJPXrZzZ\">1. 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error));<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e\u6307\u5b9a\u7684URL\u7372\u53d6\u6578\u64da\u4e26\u5728\u63a7\u5236\u53f0\u4e2d\u986f\u793a\u3002<\/p>\n<h3 id=\"3-%e8%a7%a3%e6%9e%90html%e5%85%a7%e5%ae%b9-qYOJPXrZzZ\">3. \u89e3\u6790HTML\u5167\u5bb9<\/h3>\n<p>\u7372\u53d6\u6578\u64da\u5f8c\uff0c\u901a\u5e38\u9700\u8981\u89e3\u6790HTML\u5167\u5bb9\u4ee5\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u53ef\u4ee5\u4f7f\u7528DOM\u89e3\u6790\u5668\u6216\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u5b8c\u6210\u9019\u4e00\u4efb\u52d9\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528DOM\u89e3\u6790\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>const parser = new DOMParser();\nconst doc = parser.parseFromString(data, 'text\/html');\nconst items = doc.querySelectorAll('.item-class');\n\nitems.forEach(item =&gt; {\n    console.log(item.textContent);\n});<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u63d0\u53d6\u6240\u6709\u5177\u6709\u7279\u5b9a\u985e\u5225\u7684\u5143\u7d20\u7684\u6587\u672c\u5167\u5bb9\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8python%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e7%8d%b2%e5%8f%96-qYOJPXrZzZ\">\u4f7f\u7528Python\u9032\u884c\u6578\u64da\u7372\u53d6<\/h2>\n<p>\u9664\u4e86JavaScript\uff0cPython\u4e5f\u662f\u4e00\u500b\u975e\u5e38\u6d41\u884c\u7684\u6578\u64da\u7372\u53d6\u5de5\u5177\u3002\u4f7f\u7528Python\u7684BeautifulSoup\u5eab\u53ef\u4ee5\u8f15\u9b06\u89e3\u6790HTML\u5167\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>import requests\nfrom bs4 import BeautifulSoup\n\nresponse = requests.get('https:\/\/example.com\/data')\nsoup = BeautifulSoup(response.text, 'html.parser')\nitems = soup.find_all(class_='item-class')\n\nfor item in items:\n    print(item.get_text())<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u5f9e\u6307\u5b9a\u7684URL\u7372\u53d6\u6578\u64da\u4e26\u63d0\u53d6\u6240\u6709\u5177\u6709\u7279\u5b9a\u985e\u5225\u7684\u5143\u7d20\u7684\u6587\u672c\u5167\u5bb9\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qYOJPXrZzZ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u7372\u53d6\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9075\u5faa\u7db2\u7ad9\u7684robots.txt\u6587\u4ef6\uff0c\u78ba\u4fdd\u4f60\u7684\u884c\u70ba\u4e0d\u6703\u9055\u53cd\u7db2\u7ad9\u7684\u898f\u5b9a\u3002<\/li>\n<li>\u907f\u514d\u904e\u65bc\u983b\u7e41\u7684\u8acb\u6c42\uff0c\u4ee5\u514d\u5c0d\u76ee\u6a19\u7db2\u7ad9\u9020\u6210\u8ca0\u64d4\u3002<\/li>\n<li>\u5c0a\u91cd\u6578\u64da\u96b1\u79c1\u548c\u7248\u6b0a\uff0c\u78ba\u4fdd\u4f60\u6709\u6b0a\u4f7f\u7528\u6240\u7372\u53d6\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qYOJPXrZzZ\">\u7e3d\u7d50<\/h2>\n<p>\u5f9e\u5176\u4ed6\u7db2\u9801\u7372\u53d6\u6578\u64da\u5eab\u662f\u4e00\u9805\u6709\u7528\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u7528\u65bc\u6578\u64da\u5206\u6790\u9084\u662f\u5176\u4ed6\u61c9\u7528\u3002\u901a\u904e\u4f7f\u7528HTML\u3001JavaScript\u6216Python\u7b49\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u7121\u8ad6\u4f60\u662f\u4f7f\u7528\u7db2\u9801\u722c\u87f2\u9084\u662fAPI\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5730\u7372\u53d6\u548c\u4f7f\u7528\u6578\u64da\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u80fd\u529b\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u652f\u6301\u4f60\u7684\u9805\u76ee\u3002\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u80fd\u5920\u63d0\u4f9b\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u914d\u7f6e\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528HTML\u5f9e\u5176\u4ed6\u7db2\u9801\u7372\u53d6\u6578\u64da\u5eab\uff0c\u63a2\u7d22\u6578\u64da\u6293\u53d6\u6280\u8853\u548c\u5de5\u5177\uff0c\u63d0\u5347\u7db2\u7ad9\u529f\u80fd\u8207\u5167\u5bb9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61621","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61621","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=61621"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61621\/revisions"}],"predecessor-version":[{"id":61622,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61621\/revisions\/61622"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}