{"id":1091303,"date":"2025-01-08T14:10:22","date_gmt":"2025-01-08T06:10:22","guid":{"rendered":""},"modified":"2025-01-08T14:10:25","modified_gmt":"2025-01-08T06:10:25","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e7%88%ac%e5%8f%96%e7%bd%91%e9%a1%b5%e8%a1%a8%e6%a0%bc%e6%95%b0%e6%8d%ae-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1091303.html","title":{"rendered":"\u5982\u4f55\u7528python\u722c\u53d6\u7f51\u9875\u8868\u683c\u6570\u636e"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24203537\/02fdeb07-9a1b-456d-8494-c8c2cea38982.webp\" alt=\"\u5982\u4f55\u7528python\u722c\u53d6\u7f51\u9875\u8868\u683c\u6570\u636e\" \/><\/p>\n<p><p> <strong>\u4f7f\u7528Python\u722c\u53d6\u7f51\u9875\u8868\u683c\u6570\u636e\u7684\u6838\u5fc3\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528\u5e93\u5982BeautifulSoup\u3001\u4f7f\u7528\u5e93\u5982Pandas\u3001\u5904\u7406JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e\u3002<\/strong> \u4f7f\u7528BeautifulSoup\u8fdb\u884c\u6570\u636e\u722c\u53d6\u65f6\uff0c\u9996\u5148\u9700\u8981\u53d1\u9001HTTP\u8bf7\u6c42\u6765\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u89e3\u6790HTML\u4ee5\u63d0\u53d6\u8868\u683c\u6570\u636e\u3002\u4f7f\u7528Pandas\u53ef\u4ee5\u76f4\u63a5\u8bfb\u53d6HTML\u8868\u683c\uff0c\u5e76\u4e14\u5bf9\u4e8e\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e\uff0c\u9700\u8981\u5229\u7528Selenium\u6216\u7c7b\u4f3c\u5de5\u5177\u6765\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528BeautifulSoup\u5e93<\/p>\n<\/p>\n<p><p>BeautifulSoup\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684Python\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u89e3\u6790HTML\u548cXML\u6587\u6863\u3002\u5b83\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u4ece\u7f51\u9875\u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u7279\u522b\u662f\u8868\u683c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h3>\u5b89\u88c5BeautifulSoup\u548cRequests<\/h3>\n<\/p>\n<p><p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5BeautifulSoup\u548cRequests\u5e93\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install beautifulsoup4<\/p>\n<p>pip install requests<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u89e3\u6790HTML<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u6765\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\u3002\u7136\u540e\u4f7f\u7528BeautifulSoup\u6765\u89e3\u6790HTML\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>from bs4 import BeautifulSoup<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>soup = BeautifulSoup(response.content, &#39;html.parser&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u63d0\u53d6\u8868\u683c\u6570\u636e<\/h3>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u627e\u5230HTML\u4e2d\u7684\u8868\u683c\u6807\u7b7e\u5e76\u63d0\u53d6\u6570\u636e\u3002\u901a\u5e38\uff0c\u8868\u683c\u6570\u636e\u4f4d\u4e8e<code>&lt;table&gt;<\/code>\u6807\u7b7e\u4e2d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">table = soup.find(&#39;table&#39;)<\/p>\n<p>rows = table.find_all(&#39;tr&#39;)<\/p>\n<p>for row in rows:<\/p>\n<p>    cols = row.find_all(&#39;td&#39;)<\/p>\n<p>    data = [col.text.strip() for col in cols]<\/p>\n<p>    print(data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8be6\u7ec6\u63cf\u8ff0<\/h3>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528<code>find<\/code>\u65b9\u6cd5\u627e\u5230HTML\u4e2d\u7684\u7b2c\u4e00\u4e2a<code>&lt;table&gt;<\/code>\u6807\u7b7e\uff0c\u7136\u540e\u4f7f\u7528<code>find_all(&#39;tr&#39;)<\/code>\u65b9\u6cd5\u627e\u5230\u6240\u6709\u7684\u884c\uff08<code>&lt;tr&gt;<\/code>\u6807\u7b7e\uff09\u3002\u5bf9\u4e8e\u6bcf\u4e00\u884c\uff0c\u6211\u4eec\u4f7f\u7528<code>find_all(&#39;td&#39;)<\/code>\u65b9\u6cd5\u627e\u5230\u6240\u6709\u7684\u5355\u5143\u683c\uff08<code>&lt;td&gt;<\/code>\u6807\u7b7e\uff09\uff0c\u5e76\u63d0\u53d6\u5b83\u4eec\u7684\u6587\u672c\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528Pandas\u5e93<\/p>\n<\/p>\n<p><p>Pandas\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u5b83\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u4eceHTML\u8868\u683c\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aDataFrame\u5bf9\u8c61\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h3>\u5b89\u88c5Pandas<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Pandas\u5e93\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install pandas<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8bfb\u53d6HTML\u8868\u683c<\/h3>\n<\/p>\n<p><p>Pandas\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u65b9\u6cd5<code>read_html<\/code>\uff0c\u5b83\u53ef\u4ee5\u76f4\u63a5\u4eceHTML\u4e2d\u8bfb\u53d6\u8868\u683c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aDataFrame\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>df = pd.read_html(url)<\/p>\n<p>print(df[0])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8be6\u7ec6\u63cf\u8ff0<\/h3>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>read_html<\/code>\u65b9\u6cd5\u4ece\u6307\u5b9a\u7684URL\u4e2d\u8bfb\u53d6\u6240\u6709\u7684HTML\u8868\u683c\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aDataFrame\u5bf9\u8c61\u3002<code>read_html<\/code>\u65b9\u6cd5\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u6240\u6709\u8868\u683c\u7684\u5217\u8868\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u9009\u62e9\u7279\u5b9a\u7684\u8868\u683c\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u5904\u7406JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e<\/p>\n<\/p>\n<p><p>\u6709\u4e9b\u7f51\u9875\u7684\u8868\u683c\u6570\u636e\u662f\u901a\u8fc7JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u65e0\u6cd5\u76f4\u63a5\u83b7\u53d6\u6570\u636e\u3002\u6211\u4eec\u9700\u8981\u4f7f\u7528Selenium\u6216\u7c7b\u4f3c\u7684\u5de5\u5177\u6765\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h3>\u5b89\u88c5Selenium\u548cWebDriver<\/h3>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u76f8\u5e94\u7684WebDriver\u3002\u4ee5Chrome\u6d4f\u89c8\u5668\u4e3a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install selenium<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4f7f\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668<\/h3>\n<\/p>\n<p><p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Selenium\u6765\u542f\u52a8\u4e00\u4e2a\u6d4f\u89c8\u5668\uff0c\u5e76\u52a0\u8f7d\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u63d0\u53d6\u8868\u683c\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from selenium import webdriver<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>driver = webdriver.Chrome(executable_path=&#39;\/path\/to\/chromedriver&#39;)<\/p>\n<p>driver.get(url)<\/p>\n<p>html = driver.page_source<\/p>\n<p>soup = BeautifulSoup(html, &#39;html.parser&#39;)<\/p>\n<p>table = soup.find(&#39;table&#39;)<\/p>\n<p>rows = table.find_all(&#39;tr&#39;)<\/p>\n<p>for row in rows:<\/p>\n<p>    cols = row.find_all(&#39;td&#39;)<\/p>\n<p>    data = [col.text.strip() for col in cols]<\/p>\n<p>    print(data)<\/p>\n<p>driver.quit()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u8be6\u7ec6\u63cf\u8ff0<\/h3>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Selenium\u542f\u52a8\u4e00\u4e2aChrome\u6d4f\u89c8\u5668\uff0c\u5e76\u52a0\u8f7d\u6307\u5b9a\u7684URL\u3002\u7136\u540e\u4f7f\u7528<code>page_source<\/code>\u65b9\u6cd5\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\uff0c\u5e76\u4f7f\u7528BeautifulSoup\u6765\u89e3\u6790HTML\u5185\u5bb9\u3002\u6700\u540e\uff0c\u6211\u4eec\u63d0\u53d6\u8868\u683c\u6570\u636e\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5904\u7406\u590d\u6742\u7684\u7f51\u9875\u7ed3\u6784<\/p>\n<\/p>\n<p><p>\u6709\u4e9b\u7f51\u9875\u7684\u8868\u683c\u7ed3\u6784\u6bd4\u8f83\u590d\u6742\uff0c\u53ef\u80fd\u5305\u542b\u5d4c\u5957\u7684\u8868\u683c\u6216\u8005\u5408\u5e76\u7684\u5355\u5143\u683c\u3002\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u9700\u8981\u66f4\u590d\u6742\u7684\u89e3\u6790\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><h3>\u5904\u7406\u5d4c\u5957\u7684\u8868\u683c<\/h3>\n<\/p>\n<p><p>\u6709\u4e9b\u8868\u683c\u53ef\u80fd\u5305\u542b\u5d4c\u5957\u7684\u8868\u683c\uff0c\u6211\u4eec\u9700\u8981\u9012\u5f52\u5730\u63d0\u53d6\u6570\u636e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def extract_table_data(table):<\/p>\n<p>    rows = table.find_all(&#39;tr&#39;)<\/p>\n<p>    for row in rows:<\/p>\n<p>        cols = row.find_all([&#39;td&#39;, &#39;th&#39;])<\/p>\n<p>        data = [col.text.strip() for col in cols]<\/p>\n<p>        print(data)<\/p>\n<p>        nested_tables = row.find_all(&#39;table&#39;)<\/p>\n<p>        for nested_table in nested_tables:<\/p>\n<p>            extract_table_data(nested_table)<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>soup = BeautifulSoup(response.content, &#39;html.parser&#39;)<\/p>\n<p>table = soup.find(&#39;table&#39;)<\/p>\n<p>extract_table_data(table)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u5904\u7406\u5408\u5e76\u7684\u5355\u5143\u683c<\/h3>\n<\/p>\n<p><p>\u6709\u4e9b\u8868\u683c\u53ef\u80fd\u5305\u542b\u5408\u5e76\u7684\u5355\u5143\u683c\uff08<code>rowspan<\/code>\u548c<code>colspan<\/code>\u5c5e\u6027\uff09\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u8fd9\u4e9b\u5408\u5e76\u7684\u5355\u5143\u683c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def extract_table_data(table):<\/p>\n<p>    rows = table.find_all(&#39;tr&#39;)<\/p>\n<p>    for row in rows:<\/p>\n<p>        cols = row.find_all([&#39;td&#39;, &#39;th&#39;])<\/p>\n<p>        data = []<\/p>\n<p>        for col in cols:<\/p>\n<p>            colspan = int(col.get(&#39;colspan&#39;, 1))<\/p>\n<p>            rowspan = int(col.get(&#39;rowspan&#39;, 1))<\/p>\n<p>            for _ in range(colspan):<\/p>\n<p>                data.append(col.text.strip())<\/p>\n<p>        print(data)<\/p>\n<p>url = &#39;http:\/\/example.com&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>soup = BeautifulSoup(response.content, &#39;html.parser&#39;)<\/p>\n<p>table = soup.find(&#39;table&#39;)<\/p>\n<p>extract_table_data(table)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4f7f\u7528BeautifulSoup\u3001Pandas\u548cSelenium\u7b49\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece\u7f51\u9875\u4e2d\u722c\u53d6\u8868\u683c\u6570\u636e\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u9759\u6001\u8868\u683c\u6570\u636e\uff0c\u4f7f\u7528BeautifulSoup\u6216Pandas\u5373\u53ef\u5b8c\u6210\u4efb\u52a1\uff1b\u5bf9\u4e8e\u52a8\u6001\u52a0\u8f7d\u7684\u8868\u683c\u6570\u636e\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Selenium\u6765\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff1b\u5bf9\u4e8e\u590d\u6742\u7684\u8868\u683c\u7ed3\u6784\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199\u66f4\u590d\u6742\u7684\u89e3\u6790\u903b\u8f91\u3002<\/p>\n<\/p>\n<p><p><strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u975e\u5e38\u91cd\u8981\u3002<\/strong> BeautifulSoup\u9002\u5408\u5904\u7406\u7b80\u5355\u7684\u9759\u6001\u7f51\u9875\uff0cPandas\u9002\u5408\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\uff0c\u800cSelenium\u9002\u5408\u5904\u7406\u52a8\u6001\u52a0\u8f7d\u7684\u7f51\u9875\u3002\u901a\u8fc7\u5408\u7406\u7ec4\u5408\u8fd9\u4e9b\u5de5\u5177\uff0c\u6211\u4eec\u53ef\u4ee5\u9ad8\u6548\u5730\u4ece\u5404\u79cd\u7f51\u9875\u4e2d\u63d0\u53d6\u8868\u683c\u6570\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684Python\u5e93\u6765\u722c\u53d6\u7f51\u9875\u8868\u683c\u6570\u636e\uff1f<\/strong><br \/>\u5728\u722c\u53d6\u7f51\u9875\u8868\u683c\u6570\u636e\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684Python\u5e93\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u5e93\u5305\u62ecBeautiful Soup\u3001Requests\u3001Pandas\u548cScrapy\u3002Beautiful 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