{"id":1074050,"date":"2025-01-08T11:31:09","date_gmt":"2025-01-08T03:31:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1074050.html"},"modified":"2025-01-08T11:31:11","modified_gmt":"2025-01-08T03:31:11","slug":"python%e5%a6%82%e4%bd%95%e7%88%ac%e5%8f%96%e6%96%97%e9%9f%b3%e8%a7%86%e9%a2%91-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1074050.html","title":{"rendered":"python\u5982\u4f55\u722c\u53d6\u6597\u97f3\u89c6\u9891"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25103817\/79c9d634-82fc-4340-89f6-b41cfa492271.webp\" alt=\"python\u5982\u4f55\u722c\u53d6\u6597\u97f3\u89c6\u9891\" \/><\/p>\n<p><p> \u4e00\u3001Python\u722c\u53d6\u6597\u97f3\u89c6\u9891\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u3001\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u3001\u901a\u8fc7\u6a21\u62df\u7528\u6237\u884c\u4e3a\u6765\u7ed5\u8fc7\u53cd\u722c\u673a\u5236\u3002<strong>\u63a8\u8350\u4f7f\u7528Selenium\u6a21\u62df\u7528\u6237\u884c\u4e3a<\/strong>\uff0c\u56e0\u4e3a\u6597\u97f3\u5bf9\u53cd\u722c\u673a\u5236\u8f83\u4e3a\u4e25\u683c\uff0c\u76f4\u63a5\u4f7f\u7528requests\u548cBeautifulSoup\u53ef\u80fd\u4f1a\u88ab\u5c4f\u853d\u3002Selenium\u53ef\u4ee5\u6a21\u62df\u771f\u5b9e\u7684\u7528\u6237\u64cd\u4f5c\uff0c\u4f8b\u5982\u70b9\u51fb\u548c\u6eda\u52a8\uff0c\u4ece\u800c\u66f4\u6709\u6548\u5730\u83b7\u53d6\u89c6\u9891\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528Selenium\u6a21\u62df\u7528\u6237\u884c\u4e3a<\/p>\n<\/p>\n<p><p>1\u3001\u5b89\u88c5Selenium\u548cWebDriver<\/p>\n<p>\u8981\u4f7f\u7528Selenium\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u5bf9\u5e94\u7684WebDriver\uff0c\u4f8b\u5982ChromeDriver\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Selenium\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">pip install selenium<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u8fd8\u9700\u8981\u4e0b\u8f7d\u4e0e\u6d4f\u89c8\u5668\u7248\u672c\u76f8\u5339\u914d\u7684WebDriver\u3002\u4ee5Chrome\u6d4f\u89c8\u5668\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u4ece<a href=\"https:\/\/sites.google.com\/chromium.org\/driver\/\">ChromeDriver<\/a>\u5b98\u7f51\u4e0b\u8f7d\u5bf9\u5e94\u7248\u672c\u7684\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<p><p>2\u3001\u914d\u7f6eSelenium\u4e0eWebDriver<\/p>\n<p>\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0c\u5c06WebDriver\u7684\u8def\u5f84\u6dfb\u52a0\u5230\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\u4e2d\uff0c\u6216\u8005\u5728\u4ee3\u7801\u4e2d\u6307\u5b9aWebDriver\u7684\u8def\u5f84\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from selenium import webdriver<\/p>\n<h2><strong>\u6307\u5b9aChromeDriver\u7684\u8def\u5f84<\/strong><\/h2>\n<p>driver_path = &quot;path\/to\/chromedriver&quot;<\/p>\n<p>driver = webdriver.Chrome(executable_path=driver_path)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>3\u3001\u6a21\u62df\u7528\u6237\u767b\u5f55\u6597\u97f3<\/p>\n<p>\u7531\u4e8e\u6597\u97f3\u9700\u8981\u767b\u5f55\u624d\u80fd\u89c2\u770b\u5b8c\u6574\u89c6\u9891\uff0c\u9700\u8981\u4f7f\u7528Selenium\u6a21\u62df\u7528\u6237\u767b\u5f55\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u6253\u5f00\u6597\u97f3\u767b\u5f55\u9875\u9762<\/p>\n<p>driver.get(&#39;https:\/\/www.douyin.com\/&#39;)<\/p>\n<h2><strong>\u6a21\u62df\u7528\u6237\u767b\u5f55<\/strong><\/h2>\n<p>username = driver.find_element_by_name(&#39;username&#39;)<\/p>\n<p>password = driver.find_element_by_name(&#39;password&#39;)<\/p>\n<p>username.send_keys(&#39;your_username&#39;)<\/p>\n<p>password.send_keys(&#39;your_password&#39;)<\/p>\n<p>login_button = driver.find_element_by_css_selector(&#39;button[type=&quot;submit&quot;]&#39;)<\/p>\n<p>login_button.click()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>4\u3001\u722c\u53d6\u6597\u97f3\u89c6\u9891\u94fe\u63a5<\/p>\n<p>\u767b\u5f55\u6210\u529f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Selenium\u6a21\u62df\u7528\u6237\u64cd\u4f5c\uff0c\u6eda\u52a8\u9875\u9762\u52a0\u8f7d\u66f4\u591a\u89c6\u9891\uff0c\u5e76\u83b7\u53d6\u89c6\u9891\u94fe\u63a5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import time<\/p>\n<h2><strong>\u6a21\u62df\u6eda\u52a8\u52a0\u8f7d\u66f4\u591a\u89c6\u9891<\/strong><\/h2>\n<p>scroll_pause_time = 2<\/p>\n<p>last_height = driver.execute_script(&quot;return document.body.scrollHeight&quot;)<\/p>\n<p>while True:<\/p>\n<p>    # \u5411\u4e0b\u6eda\u52a8\u9875\u9762<\/p>\n<p>    driver.execute_script(&quot;window.scrollTo(0, document.body.scrollHeight);&quot;)<\/p>\n<p>    # \u7b49\u5f85\u9875\u9762\u52a0\u8f7d<\/p>\n<p>    time.sleep(scroll_pause_time)<\/p>\n<p>    # \u8ba1\u7b97\u65b0\u7684\u6eda\u52a8\u9ad8\u5ea6\u5e76\u4e0e\u4e0a\u6b21\u6eda\u52a8\u9ad8\u5ea6\u8fdb\u884c\u6bd4\u8f83<\/p>\n<p>    new_height = driver.execute_script(&quot;return document.body.scrollHeight&quot;)<\/p>\n<p>    if new_height == last_height:<\/p>\n<p>        break<\/p>\n<p>    last_height = new_height<\/p>\n<h2><strong>\u83b7\u53d6\u89c6\u9891\u94fe\u63a5<\/strong><\/h2>\n<p>video_elements = driver.find_elements_by_css_selector(&#39;a.video-feed-item-wrapper&#39;)<\/p>\n<p>video_links = [element.get_attribute(&#39;href&#39;) for element in video_elements]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u4e0b\u8f7d\u6597\u97f3\u89c6\u9891<\/p>\n<\/p>\n<p><p>1\u3001\u89e3\u6790\u89c6\u9891\u771f\u5b9e\u5730\u5740<\/p>\n<p>\u6597\u97f3\u89c6\u9891\u94fe\u63a5\u5e76\u4e0d\u662f\u89c6\u9891\u6587\u4ef6\u7684\u771f\u5b9e\u5730\u5740\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u89e3\u6790\u83b7\u53d6\u89c6\u9891\u7684\u771f\u5b9e\u4e0b\u8f7d\u5730\u5740\u3002\u53ef\u4ee5\u4f7f\u7528requests\u5e93\u53d1\u9001\u8bf7\u6c42\uff0c\u5e76\u63d0\u53d6\u89c6\u9891\u7684\u771f\u5b9e\u5730\u5740\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>from bs4 import BeautifulSoup<\/p>\n<p>def get_real_video_url(video_link):<\/p>\n<p>    response = requests.get(video_link)<\/p>\n<p>    soup = BeautifulSoup(response.content, &#39;html.parser&#39;)<\/p>\n<p>    # \u63d0\u53d6\u89c6\u9891\u771f\u5b9e\u5730\u5740<\/p>\n<p>    video_url = soup.find(&#39;video&#39;).get(&#39;src&#39;)<\/p>\n<p>    return video_url<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>2\u3001\u4e0b\u8f7d\u89c6\u9891\u6587\u4ef6<\/p>\n<p>\u83b7\u53d6\u89c6\u9891\u7684\u771f\u5b9e\u5730\u5740\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528requests\u5e93\u4e0b\u8f7d\u89c6\u9891\u6587\u4ef6\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def download_video(video_url, file_name):<\/p>\n<p>    response = requests.get(video_url, stream=True)<\/p>\n<p>    with open(file_name, &#39;wb&#39;) as file:<\/p>\n<p>        for chunk in response.iter_content(chunk_size=1024):<\/p>\n<p>            if chunk:<\/p>\n<p>                file.write(chunk)<\/p>\n<p>for video_link in video_links:<\/p>\n<p>    real_video_url = get_real_video_url(video_link)<\/p>\n<p>    file_name = video_link.split(&#39;\/&#39;)[-1] + &#39;.mp4&#39;<\/p>\n<p>    download_video(real_video_url, file_name)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u56db\u3001\u5904\u7406\u53cd\u722c\u673a\u5236<\/p>\n<\/p>\n<p><p>1\u3001\u8bbe\u7f6e\u8bf7\u6c42\u5934<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8bf7\u6c42\u88ab\u6597\u97f3\u670d\u52a1\u5668\u62d2\u7edd\uff0c\u53ef\u4ee5\u5728\u53d1\u9001\u8bf7\u6c42\u65f6\u8bbe\u7f6e\u8bf7\u6c42\u5934\uff0c\u6a21\u62df\u771f\u5b9e\u7684\u6d4f\u89c8\u5668\u8bf7\u6c42\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">headers = {<\/p>\n<p>    &#39;User-Agent&#39;: &#39;Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/91.0.4472.124 Safari\/537.36&#39;,<\/p>\n<p>}<\/p>\n<p>response = requests.get(video_link, headers=headers)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>2\u3001\u4f7f\u7528\u4ee3\u7406<\/p>\n<p>\u5982\u679c\u9891\u7e41\u53d1\u9001\u8bf7\u6c42\u5bfc\u81f4IP\u88ab\u5c01\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee3\u7406\u6765\u7ed5\u8fc7IP\u9650\u5236\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">proxies = {<\/p>\n<p>    &#39;http&#39;: &#39;http:\/\/your_proxy_ip:your_proxy_port&#39;,<\/p>\n<p>    &#39;https&#39;: &#39;http:\/\/your_proxy_ip:your_proxy_port&#39;,<\/p>\n<p>}<\/p>\n<p>response = requests.get(video_link, headers=headers, proxies=proxies)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>3\u3001\u6dfb\u52a0\u5ef6\u8fdf<\/p>\n<p>\u5728\u722c\u53d6\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u968f\u673a\u5ef6\u8fdf\uff0c\u6a21\u62df\u771f\u5b9e\u7528\u6237\u884c\u4e3a\uff0c\u51cf\u5c11\u88ab\u5c01\u7981\u7684\u98ce\u9669\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import random<\/p>\n<p>def random_delay():<\/p>\n<p>    time.sleep(random.uniform(1, 3))<\/p>\n<p>for video_link in video_links:<\/p>\n<p>    random_delay()<\/p>\n<p>    real_video_url = get_real_video_url(video_link)<\/p>\n<p>    file_name = video_link.split(&#39;\/&#39;)[-1] + &#39;.mp4&#39;<\/p>\n<p>    download_video(real_video_url, file_name)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u4f7f\u7528Python\u722c\u53d6\u6597\u97f3\u89c6\u9891\u9700\u8981\u7efc\u5408\u8fd0\u7528Selenium\u3001requests\u3001BeautifulSoup\u7b49\u5e93\uff0c\u5e76\u901a\u8fc7\u6a21\u62df\u7528\u6237\u884c\u4e3a\u3001\u8bbe\u7f6e\u8bf7\u6c42\u5934\u3001\u4f7f\u7528\u4ee3\u7406\u3001\u6dfb\u52a0\u5ef6\u8fdf\u7b49\u65b9\u5f0f\u7ed5\u8fc7\u53cd\u722c\u673a\u5236\u3002\u867d\u7136\u8fc7\u7a0b\u8f83\u4e3a\u590d\u6742\uff0c\u4f46\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u548c\u4f18\u5316\uff0c\u53ef\u4ee5\u6709\u6548\u5b9e\u73b0\u6597\u97f3\u89c6\u9891\u7684\u722c\u53d6\u548c\u4e0b\u8f7d\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u722c\u53d6\u6597\u97f3\u89c6\u9891\u7684\u57fa\u672c\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong><br \/>\u8981\u4f7f\u7528Python\u722c\u53d6\u6597\u97f3\u89c6\u9891\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6597\u97f3\u7f51\u7ad9\u7684\u7ed3\u6784\u548cAPI\u3002\u901a\u5e38\uff0c\u60a8\u9700\u8981\u4f7f\u7528requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u4f7f\u7528BeautifulSoup\u6216lxml\u89e3\u6790HTML\u3002\u63a5\u4e0b\u6765\uff0c\u63d0\u53d6\u89c6\u9891\u7684URL\uff0c\u5e76\u4f7f\u7528\u5176\u4ed6\u5e93\u5982wget\u6216curl\u4e0b\u8f7d\u89c6\u9891\u3002\u786e\u4fdd\u9075\u5faa\u7f51\u7ad9\u7684\u722c\u866b\u653f\u7b56\uff0c\u4ee5\u907f\u514d\u6cd5\u5f8b\u95ee\u9898\u3002<\/p>\n<p><strong>\u5728\u722c\u53d6\u6597\u97f3\u89c6\u9891\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u6cd5\u5f8b\u548c\u9053\u5fb7\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u8fdb\u884c\u4efb\u4f55\u722c\u866b\u6d3b\u52a8\u4e4b\u524d\uff0c\u4e86\u89e3\u6597\u97f3\u7684\u4f7f\u7528\u6761\u6b3e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672a\u7ecf\u5141\u8bb8\u4e0b\u8f7d\u548c\u5206\u53d1\u89c6\u9891\u53ef\u80fd\u4f1a\u4fb5\u72af\u7248\u6743\u3002\u6b64\u5916\uff0c\u9891\u7e41\u8bf7\u6c42\u53ef\u80fd\u4f1a\u5bf9\u7f51\u7ad9\u9020\u6210\u8d1f\u62c5\uff0c\u56e0\u6b64\u5e94\u63a7\u5236\u8bf7\u6c42\u9891\u7387\u3002\u786e\u4fdd\u60a8\u7684\u722c\u866b\u884c\u4e3a\u7b26\u5408\u9053\u5fb7\u6807\u51c6\uff0c\u5c0a\u91cd\u521b\u4f5c\u8005\u7684\u6743\u76ca\u3002<\/p>\n<p><strong>\u6709\u54ea\u4e9bPython\u5e93\u53ef\u4ee5\u5e2e\u52a9\u6211\u66f4\u6709\u6548\u5730\u722c\u53d6\u6597\u97f3\u89c6\u9891\uff1f<\/strong><br \/>\u6709\u51e0\u4e2aPython\u5e93\u53ef\u4ee5\u5e2e\u52a9\u60a8\u9ad8\u6548\u5730\u722c\u53d6\u6597\u97f3\u89c6\u9891\u3002requests\u5e93\u7528\u4e8e\u53d1\u9001\u7f51\u7edc\u8bf7\u6c42\uff0cBeautifulSoup\u548clxml\u7528\u4e8e\u89e3\u6790HTML\u5185\u5bb9\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528Scrapy\u6846\u67b6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u529f\u80fd\u6765\u5904\u7406\u722c\u866b\u4efb\u52a1\u3002\u6b64\u5916\uff0cPandas\u5e93\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5904\u7406\u548c\u5b58\u50a8\u6570\u636e\uff0c\u4f7f\u6570\u636e\u5206\u6790\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001Python\u722c\u53d6\u6597\u97f3\u89c6\u9891\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u3001\u4f7f\u7528BeautifulSoup [&hellip;]","protected":false},"author":3,"featured_media":1074058,"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\/1074050"}],"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=1074050"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1074050\/revisions"}],"predecessor-version":[{"id":1074059,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1074050\/revisions\/1074059"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1074058"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1074050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1074050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1074050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}