{"id":1008516,"date":"2024-12-27T11:03:27","date_gmt":"2024-12-27T03:03:27","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1008516.html"},"modified":"2024-12-27T11:03:29","modified_gmt":"2024-12-27T03:03:29","slug":"python%e5%a6%82%e4%bd%95%e6%8a%93%e5%8f%96%e7%bd%91%e5%9d%80%e8%a7%86%e9%a2%91","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1008516.html","title":{"rendered":"python\u5982\u4f55\u6293\u53d6\u7f51\u5740\u89c6\u9891"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25083813\/1793f2a5-6fcb-45b7-b0a2-620881006781.webp\" alt=\"python\u5982\u4f55\u6293\u53d6\u7f51\u5740\u89c6\u9891\" \/><\/p>\n<p><p> <strong>Python\u6293\u53d6\u7f51\u5740\u89c6\u9891\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u8bf7\u6c42\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u3001\u89e3\u6790HTML\u83b7\u53d6\u89c6\u9891URL\u3001\u4f7f\u7528\u89c6\u9891\u4e0b\u8f7d\u5e93\u5982youtube-dl\u8fdb\u884c\u4e0b\u8f7d<\/strong>\u3002\u5176\u4e2d\uff0c\u4f7f\u7528\u89c6\u9891\u4e0b\u8f7d\u5e93\u662f\u6700\u4e3a\u76f4\u63a5\u548c\u4fbf\u6377\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5e93\u5df2\u7ecf\u5904\u7406\u4e86\u89c6\u9891\u4e0b\u8f7d\u8fc7\u7a0b\u4e2d\u590d\u6742\u7684\u7ec6\u8282\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Python\u5b9e\u73b0\u89c6\u9891\u6293\u53d6\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u8bf7\u6c42\u5e93\u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/p>\n<\/p>\n<p><p>\u5728\u6293\u53d6\u89c6\u9891\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\u3002Python\u7684<code>requests<\/code>\u5e93\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u4e14\u6613\u4e8e\u4f7f\u7528\u7684HTTP\u5e93\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8f7b\u677e\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u88c5\u8bf7\u6c42\u5e93<\/strong><\/p>\n<\/p>\n<p><p>\u8981\u4f7f\u7528<code>requests<\/code>\u5e93\uff0c\u4f60\u9996\u5148\u9700\u8981\u5b89\u88c5\u5b83\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install requests<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u53d1\u9001HTTP\u8bf7\u6c42<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>requests.get()<\/code>\u65b9\u6cd5\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u5e76\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>url = &#39;https:\/\/example.com&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>if response.status_code == 200:<\/p>\n<p>    html_content = response.text<\/p>\n<p>    print(&quot;Successfully fetched the webpage content.&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;F<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>led to fetch the webpage content.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u7f51\u9875\u7684HTML\u5185\u5bb9\uff0c\u5e76\u8fdb\u884c\u4e0b\u4e00\u6b65\u7684\u5904\u7406\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u89e3\u6790HTML\u83b7\u53d6\u89c6\u9891URL<\/p>\n<\/p>\n<p><p>\u83b7\u53d6HTML\u5185\u5bb9\u540e\uff0c\u63a5\u4e0b\u6765\u9700\u8981\u89e3\u6790HTML\u4ee5\u63d0\u53d6\u89c6\u9891\u7684URL\u3002\u53ef\u4ee5\u4f7f\u7528<code>BeautifulSoup<\/code>\u5e93\u6765\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u88c5BeautifulSoup\u5e93<\/strong><\/p>\n<\/p>\n<p><p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5<code>BeautifulSoup<\/code>\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install beautifulsoup4<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u89e3\u6790HTML\u63d0\u53d6\u89c6\u9891URL<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>BeautifulSoup<\/code>\u89e3\u6790HTML\u6587\u6863\uff0c\u5e76\u63d0\u53d6\u89c6\u9891\u94fe\u63a5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from bs4 import BeautifulSoup<\/p>\n<p>soup = BeautifulSoup(html_content, &#39;html.parser&#39;)<\/p>\n<p>video_tags = soup.find_all(&#39;video&#39;)<\/p>\n<p>video_urls = []<\/p>\n<p>for video_tag in video_tags:<\/p>\n<p>    video_url = video_tag.get(&#39;src&#39;)<\/p>\n<p>    if video_url:<\/p>\n<p>        video_urls.append(video_url)<\/p>\n<p>print(&quot;Extracted video URLs:&quot;, video_urls)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u67e5\u627e<code>&lt;video&gt;<\/code>\u6807\u7b7e\u83b7\u53d6\u89c6\u9891\u7684URL\u3002\u6839\u636e\u7f51\u9875\u7684\u5177\u4f53\u7ed3\u6784\uff0c\u53ef\u80fd\u9700\u8981\u8c03\u6574\u67e5\u627e\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u4f7f\u7528\u89c6\u9891\u4e0b\u8f7d\u5e93\u4e0b\u8f7d\u89c6\u9891<\/p>\n<\/p>\n<p><p>\u5728\u6210\u529f\u63d0\u53d6\u89c6\u9891URL\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u89c6\u9891\u4e0b\u8f7d\u5e93\u4e0b\u8f7d\u89c6\u9891\u3002<code>youtube-dl<\/code>\u662f\u4e00\u4e2a\u5f3a\u5927\u4e14\u5e7f\u6cdb\u4f7f\u7528\u7684\u89c6\u9891\u4e0b\u8f7d\u5de5\u5177\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5b89\u88c5youtube-dl<\/strong><\/p>\n<\/p>\n<p><p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5<code>youtube-dl<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install youtube-dl<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0b\u8f7d\u89c6\u9891<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528<code>youtube-dl<\/code>\u4e0b\u8f7d\u89c6\u9891\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import youtube_dl<\/p>\n<p>video_url = &#39;https:\/\/example.com\/video.mp4&#39;<\/p>\n<p>ydl_opts = {}<\/p>\n<p>with youtube_dl.YoutubeDL(ydl_opts) as ydl:<\/p>\n<p>    ydl.download([video_url])<\/p>\n<p>print(&quot;Video downloaded successfully.&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>youtube-dl<\/code>\u652f\u6301\u591a\u79cd\u89c6\u9891\u683c\u5f0f\u548c\u6765\u6e90\uff0c\u80fd\u591f\u5904\u7406\u5927\u591a\u6570\u89c6\u9891\u4e0b\u8f7d\u9700\u6c42\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u5904\u7406\u590d\u6742\u7f51\u9875\u7ed3\u6784\u548c\u89c6\u9891\u52a0\u5bc6<\/p>\n<\/p>\n<p><p>\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u89c6\u9891URL\u53ef\u80fd\u9690\u85cf\u5728\u590d\u6742\u7684JavaScript\u4ee3\u7801\u4e2d\uff0c\u6216\u8005\u89c6\u9891\u7ecf\u8fc7\u52a0\u5bc6\u5904\u7406\u3002\u8fd9\u65f6\u9700\u8981\u66f4\u591a\u7684\u6280\u5de7\u548c\u5de5\u5177\u6765\u6293\u53d6\u89c6\u9891\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f7f\u7528Selenium\u81ea\u52a8\u5316\u6d4f\u89c8\u5668<\/strong><\/p>\n<\/p>\n<p><p>\u5f53JavaScript\u52a8\u6001\u52a0\u8f7d\u89c6\u9891\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>Selenium<\/code>\u6a21\u62df\u7528\u6237\u6d4f\u89c8\u5668\u884c\u4e3a\uff0c\u52a0\u8f7d\u9875\u9762\u5e76\u63d0\u53d6\u89c6\u9891\u94fe\u63a5\u3002<\/p>\n<\/p>\n<p><p><strong>\u5b89\u88c5Selenium<\/strong><\/p>\n<\/p>\n<p><p>\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5<code>Selenium<\/code>\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install selenium<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u914d\u7f6eWebDriver<\/strong><\/p>\n<\/p>\n<p><p>\u9700\u8981\u4e0b\u8f7d\u5bf9\u5e94\u6d4f\u89c8\u5668\u7684WebDriver\uff0c\u4f8b\u5982ChromeDriver\uff0c\u5e76\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f7f\u7528Selenium\u63d0\u53d6\u89c6\u9891URL<\/strong><\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from selenium import webdriver<\/p>\n<p>driver = webdriver.Chrome()<\/p>\n<p>driver.get(&#39;https:\/\/example.com&#39;)<\/p>\n<p>video_elements = driver.find_elements_by_tag_name(&#39;video&#39;)<\/p>\n<p>video_urls = [video.get_attribute(&#39;src&#39;) for video in video_elements]<\/p>\n<p>driver.quit()<\/p>\n<p>print(&quot;Extracted video URLs using Selenium:&quot;, video_urls)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5904\u7406\u89c6\u9891\u52a0\u5bc6<\/strong><\/p>\n<\/p>\n<p><p>\u5bf9\u4e8e\u52a0\u5bc6\u89c6\u9891\uff0c\u53ef\u80fd\u9700\u8981\u7814\u7a76\u52a0\u5bc6\u7b97\u6cd5\u5e76\u5b9e\u73b0\u89e3\u5bc6\u3002\u8fd9\u901a\u5e38\u9700\u8981\u6df1\u5165\u4e86\u89e3\u7f51\u9875\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u662f\u4e00\u4e2a\u8f83\u4e3a\u590d\u6742\u7684\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u603b\u7ed3\uff1a<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u6293\u53d6\u548c\u4e0b\u8f7d\u7f51\u9875\u4e2d\u7684\u89c6\u9891\u3002\u6839\u636e\u7f51\u9875\u7684\u4e0d\u540c\u7ed3\u6784\u548c\u89c6\u9891\u7684\u5b58\u50a8\u65b9\u5f0f\uff0c\u53ef\u80fd\u9700\u8981\u8c03\u6574\u89e3\u6790\u548c\u4e0b\u8f7d\u7684\u65b9\u6cd5\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u7f51\u7ad9\u53ef\u80fd\u5bf9\u722c\u866b\u884c\u4e3a\u8fdb\u884c\u9650\u5236\u6216\u52a0\u5bc6\u89c6\u9891\uff0c\u8fd9\u65f6\u9700\u8981\u66f4\u4e3a\u590d\u6742\u7684\u5904\u7406\u65b9\u6cd5\u3002\u65e0\u8bba\u662f\u54ea\u79cd\u60c5\u51b5\uff0c\u9075\u5b88\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\u548c\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u6293\u53d6\u5728\u7ebf\u89c6\u9891\uff1f<\/strong><br \/>\u4f7f\u7528Python\u6293\u53d6\u5728\u7ebf\u89c6\u9891\u901a\u5e38\u6d89\u53ca\u5230\u51e0\u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\u3001\u89e3\u6790HTML\u3001\u5bfb\u627e\u89c6\u9891\u94fe\u63a5\u5e76\u4e0b\u8f7d\u3002\u5e38\u7528\u7684\u5e93\u6709<code>requests<\/code>\u7528\u4e8e\u53d1\u9001\u8bf7\u6c42\uff0c<code>BeautifulSoup<\/code>\u7528\u4e8e\u89e3\u6790\u7f51\u9875\uff0c\u4ee5\u53ca<code>youtube-dl<\/code>\u6216<code>pytube<\/code>\u7b49\u4e13\u95e8\u7528\u4e8e\u4e0b\u8f7d\u89c6\u9891\u7684\u5e93\u3002<\/p>\n<p><strong>\u6293\u53d6\u89c6\u9891\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u6cd5\u5f8b\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u6293\u53d6\u89c6\u9891\u65f6\uff0c\u7528\u6237\u5e94\u4e86\u89e3\u76f8\u5173\u7684\u7248\u6743\u6cd5\u5f8b\u548c\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\u3002\u5e76\u975e\u6240\u6709\u89c6\u9891\u90fd\u53ef\u4ee5\u968f\u610f\u4e0b\u8f7d\uff0c\u67d0\u4e9b\u5e73\u53f0\u53ef\u80fd\u5bf9\u5176\u5185\u5bb9\u6709\u4e25\u683c\u7684\u7248\u6743\u4fdd\u62a4\uff0c\u56e0\u6b64\u5728\u4e0b\u8f7d\u4e4b\u524d\u52a1\u5fc5\u786e\u8ba4\u662f\u5426\u6709\u6743\u5229\u8fd9\u6837\u505a\uff0c\u4ee5\u907f\u514d\u6cd5\u5f8b\u7ea0\u7eb7\u3002<\/p>\n<p><strong>\u662f\u5426\u6709\u63a8\u8350\u7684Python\u5e93\u53ef\u4ee5\u7528\u6765\u6293\u53d6\u89c6\u9891\uff1f<\/strong><br \/>\u6709\u8bb8\u591aPython\u5e93\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u6293\u53d6\u89c6\u9891\u5185\u5bb9\uff0c\u4f8b\u5982<code>youtube-dl<\/code>\u652f\u6301\u4ece\u591a\u4e2a\u89c6\u9891\u5e73\u53f0\u4e0b\u8f7d\u89c6\u9891\uff0c<code>pytube<\/code>\u4e13\u6ce8\u4e8eYouTube\u89c6\u9891\u4e0b\u8f7d\uff0c<code>requests<\/code>\u548c<code>BeautifulSoup<\/code>\u5219\u9002\u5408\u4e00\u822c\u7f51\u9875\u5185\u5bb9\u7684\u6293\u53d6\u548c\u89e3\u6790\u3002\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5e93\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6293\u53d6\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u6293\u53d6\u7f51\u5740\u89c6\u9891\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u8bf7\u6c42\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u3001\u89e3\u6790HTML\u83b7\u53d6\u89c6\u9891URL\u3001\u4f7f\u7528\u89c6\u9891\u4e0b\u8f7d\u5e93\u5982yo [&hellip;]","protected":false},"author":3,"featured_media":1008523,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1008516"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1008516"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1008516\/revisions"}],"predecessor-version":[{"id":1008525,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1008516\/revisions\/1008525"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1008523"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1008516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1008516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1008516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}