{"id":923136,"date":"2024-06-06T12:46:31","date_gmt":"2024-06-06T12:46:31","guid":{"rendered":"https:\/\/proxyelite.info\/?p=923136"},"modified":"2025-06-04T03:03:34","modified_gmt":"2025-06-04T03:03:34","slug":"web-scraping-with-python-and-beautifulsoup-how-to-do-it-easily","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/cn\/web-scraping-with-python-and-beautifulsoup-how-to-do-it-easily\/","title":{"rendered":"\u4f7f\u7528 Python \u548c BeautifulSoup \u8fdb\u884c\u7f51\u9875\u6293\u53d6\uff1a\u5982\u4f55\u8f7b\u677e\u505a\u5230\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Web \u6293\u53d6\u662f\u4ece\u7f51\u7ad9\u63d0\u53d6\u4fe1\u606f\u7684\u91cd\u8981\u6280\u672f\u3002\u5982\u679c\u60a8\u60f3\u5b66\u4e60\u5982\u4f55\u4f7f\u7528 Python \u548c BeautifulSoup \u6293\u53d6\u6570\u636e\uff0c\u672c\u6307\u5357\u5c06\u9010\u6b65\u6307\u5bfc\u60a8\u5b8c\u6210\u8be5\u8fc7\u7a0b\u3002\u5728\u672c\u6587\u7ed3\u675f\u65f6\uff0c\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u6293\u53d6\u591a\u4e2a\u9875\u9762\u3001\u5904\u7406\u52a8\u6001\u5185\u5bb9\u4ee5\u53ca\u4f7f\u7528 <a href=\"https:\/\/proxyelite.info\/cn\/solutions\/proxies-for-web-scraping\/\" data-type=\"link\" data-id=\"https:\/\/proxyelite.info\/solutions\/proxies-for-web-scraping\/\">\u4ee3\u7406\u670d\u52a1\u5668<\/a> \u907f\u514d\u66b4\u9732\u60a8\u7684 IP \u5730\u5740\u3002\u8ba9\u6211\u4eec\u7acb\u5373\u5f00\u59cb\u5427\uff01<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u76ee\u5f55<\/h2><nav><div><div><a href=\"#1-introduction-to-web-scraping\">1. Web \u6570\u636e\u6293\u53d6\u7b80\u4ecb<\/a><\/div><div><a href=\"#2-setting-up-your-environment\">2. \u8bbe\u7f6e\u4f60\u7684\u73af\u5883<\/a><\/div><div><a href=\"#3-scraping-a-website-with-beautiful-soup\">3. \u4f7f\u7528 BeautifulSoup \u6293\u53d6\u7f51\u7ad9\u6570\u636e<\/a><div><div><a href=\"#importing-libraries\">\u5bfc\u5165\u5e93<\/a><\/div><div><a href=\"#fetching-the-web-page\">\u83b7\u53d6\u7f51\u9875<\/a><\/div><\/div><\/div><div><a href=\"#4-handling-multiple-pages\">4.\u5904\u7406\u591a\u4e2a\u9875\u9762<\/a><div><div><a href=\"#looping-through-pages\">\u5faa\u73af\u6d4f\u89c8\u9875\u9762<\/a><\/div><\/div><\/div><div><a href=\"#5-using-proxies-to-avoid-ip-bans\">5. \u4f7f\u7528\u4ee3\u7406\u907f\u514d IP \u7981\u4ee4<\/a><div><div><a href=\"#setting-up-a-proxy\">\u8bbe\u7f6e\u4ee3\u7406<\/a><\/div><\/div><\/div><div><a href=\"#6-storing-data-in-csv-and-excel-formats\">6.\u4ee5 CSV \u548c Excel \u683c\u5f0f\u5b58\u50a8\u6570\u636e<\/a><div><div><a href=\"#saving-data-to-csv\">\u5c06\u6570\u636e\u4fdd\u5b58\u4e3a CSV<\/a><\/div><div><a href=\"#saving-data-to-excel\">\u4fdd\u5b58\u6570\u636e\u5230 Excel<\/a><\/div><div><a href=\"#sample-table-of-scraped-data\">\u6293\u53d6\u6570\u636e\u6837\u8868<\/a><\/div><\/div><\/div><div><a href=\"#7-conclusion\">7. \u7ed3\u8bba<\/a><\/div><\/div><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-introduction-to-web-scraping\">1. Web \u6570\u636e\u6293\u53d6\u7b80\u4ecb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u9875\u6293\u53d6\u6d89\u53ca\u4f7f\u7528\u81ea\u52a8\u5316\u811a\u672c\u4ece\u7f51\u7ad9\u63d0\u53d6\u6570\u636e\u3002\u8be5\u6280\u672f\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u76ee\u7684\uff0c\u4f8b\u5982\u6570\u636e\u5206\u6790\u3001\u4ef7\u683c\u76d1\u63a7\u548c\u5185\u5bb9\u805a\u5408\u3002Python \u62e5\u6709 BeautifulSoup \u548c Requests \u7b49\u5f3a\u5927\u7684\u5e93\uff0c\u4f7f\u7f51\u9875\u6293\u53d6\u53d8\u5f97\u7b80\u5355\u800c\u9ad8\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-setting-up-your-environment\">2. \u8bbe\u7f6e\u4f60\u7684\u73af\u5883<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5f00\u59cb\u6293\u53d6\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u8bbe\u7f6e\u5f00\u53d1\u73af\u5883\u3002\u8fd9\u6d89\u53ca\u5b89\u88c5\u5fc5\u8981\u7684\u5e93\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">pip install requests beautifulsoup4 pandas<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u5e93\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8981\u6c42<\/strong>\uff1a\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\u3002<\/li>\n\n\n\n<li><strong>\u7f8e\u4e3d\u6c64<\/strong>\uff1a\u4ece HTML \u6587\u6863\u4e2d\u89e3\u6790\u5e76\u63d0\u53d6\u6570\u636e\u3002<\/li>\n\n\n\n<li><strong>\u718a\u732b<\/strong>\uff1a\u5b58\u50a8\u548c\u5904\u7406\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-scraping-a-website-with-beautiful-soup\">3. \u4f7f\u7528 BeautifulSoup \u6293\u53d6\u7f51\u7ad9\u6570\u636e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u88c5\u5b8c\u5e93\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u5f00\u59cb\u7f16\u5199\u6293\u53d6\u811a\u672c\u4e86\u3002\u6211\u4eec\u4ee5\u6293\u53d6\u5217\u51fa\u4e66\u7c4d\u7684\u7f51\u7ad9\u4e3a\u4f8b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"importing-libraries\">\u5bfc\u5165\u5e93<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">import requests\nfrom bs4 import BeautifulSoup\nimport pandas as pd<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"fetching-the-web-page\">\u83b7\u53d6\u7f51\u9875<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">url = \"http:\/\/books.toscrape.com\/\"\nresponse = requests.get(url)\nhtml_content = response.text<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u89e3\u6790 HTML<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">soup = BeautifulSoup(html_content, 'html.parser')<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-handling-multiple-pages\">4.\u5904\u7406\u591a\u4e2a\u9875\u9762<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u6293\u53d6\u591a\u4e2a\u9875\u9762\uff0c\u60a8\u9700\u8981\u5faa\u73af\u904d\u5386\u8fd9\u4e9b\u9875\u9762\u5e76\u4ece\u6bcf\u4e2a\u9875\u9762\u83b7\u53d6\u6570\u636e\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"looping-through-pages\">\u5faa\u73af\u6d4f\u89c8\u9875\u9762<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">base_url = \"http:\/\/books.toscrape.com\/catalogue\/page-{}.html\"\ndata = &#91;]\n\nfor page_num in range(1, 51):  # Assuming there are 50 pages\n    response = requests.get(base_url.format(page_num))\n    soup = BeautifulSoup(response.text, 'html.parser')\n    \n    # Extract book data here and append to data list\n    books = soup.find_all('article', class_='product_pod')\n    for book in books:\n        title = book.h3.a&#91;'title']\n        price = book.find('p', class_='price_color').text\n        stock = book.find('p', class_='instock availability').text.strip()\n        \n        data.append({\n            \"Title\": title,\n            \"Price\": price,\n            \"Stock\": stock\n        })<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-using-proxies-to-avoid-ip-bans\">5. \u4f7f\u7528\u4ee3\u7406\u907f\u514d IP \u7981\u4ee4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f51\u7ad9\u901a\u5e38\u4f1a\u8ddf\u8e2a IP \u5730\u5740\u4ee5\u9632\u6b62\u6293\u53d6\u3002\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u53ef\u4ee5\u5c4f\u853d\u60a8\u7684 IP \u5730\u5740\uff0c\u4ece\u800c\u5e2e\u52a9\u60a8\u907f\u514d\u6b64\u95ee\u9898\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"setting-up-a-proxy\">\u8bbe\u7f6e\u4ee3\u7406<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">proxies = {\n    \"http\": \"http:\/\/your_proxy_server:port\",\n    \"https\": \"http:\/\/your_proxy_server:port\",\n}\n\nresponse = requests.get(url, proxies=proxies)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u4f7f\u7528\u4ee3\u7406\uff0c\u60a8\u7684\u6240\u6709\u6d41\u91cf\u90fd\u5c06\u901a\u8fc7\u53e6\u4e00\u53f0\u670d\u52a1\u5668\u8def\u7531\uff0c\u4ece\u800c\u963b\u6b62\u76ee\u6807\u7f51\u7ad9\u68c0\u6d4b\u5230\u60a8\u7684 IP \u5730\u5740\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-storing-data-in-csv-and-excel-formats\">6.\u4ee5 CSV \u548c Excel \u683c\u5f0f\u5b58\u50a8\u6570\u636e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6293\u53d6\u6570\u636e\u540e\uff0c\u60a8\u9700\u8981\u5c06\u5176\u5b58\u50a8\u8d77\u6765\u4ee5\u4f9b\u8fdb\u4e00\u6b65\u5206\u6790\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 Pandas \u5c06\u6570\u636e\u4fdd\u5b58\u4e3a CSV \u6216 Excel \u683c\u5f0f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"saving-data-to-csv\">\u5c06\u6570\u636e\u4fdd\u5b58\u4e3a CSV<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">df = pd.DataFrame(data)\ndf.to_csv('books.csv', index=False)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"saving-data-to-excel\">\u4fdd\u5b58\u6570\u636e\u5230 Excel<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code data-no-translation=\"\">df.to_excel('books.xlsx', index=False)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"sample-table-of-scraped-data\">\u6293\u53d6\u6570\u636e\u6837\u8868<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u6807\u9898<\/th><th>\u4ef7\u683c<\/th><th>\u5e93\u5b58<\/th><\/tr><\/thead><tbody><tr><td>\u5b8f\u4f1f\u8ba1\u5212<\/td><td>\u00a313.76<\/td><td>\u6709\u5b58\u8d27<\/td><\/tr><tr><td>\u9ea6\u7530\u91cc\u7684\u5b88\u671b\u8005<\/td><td>\u00a35.95<\/td><td>\u6709\u5b58\u8d27<\/td><\/tr><tr><td>\u7f8e\u4e3d\u65b0\u4e16\u754c<\/td><td>\u00a339.74<\/td><td>\u6709\u5b58\u8d27<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-conclusion\">7. \u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 Python \u548c BeautifulSoup \u8fdb\u884c\u7f51\u9875\u6293\u53d6\u662f\u4e00\u79cd\u4ece\u7f51\u7ad9\u63d0\u53d6\u6570\u636e\u7684\u5f3a\u5927\u6280\u672f\u3002\u6309\u7167\u672c\u6307\u5357\u64cd\u4f5c\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u6293\u53d6\u591a\u4e2a\u9875\u9762\u3001\u5904\u7406\u52a8\u6001\u5185\u5bb9\u5e76\u4f7f\u7528\u4ee3\u7406\u6765\u907f\u514d IP \u7981\u4ee4\u3002\u8bf7\u8bb0\u4f4f\u5728\u6293\u53d6\u4e4b\u524d\u59cb\u7ec8\u68c0\u67e5\u7f51\u7ad9\u7684\u670d\u52a1\u6761\u6b3e\u5e76\u8d1f\u8d23\u4efb\u5730\u4f7f\u7528\u6570\u636e\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Web scraping is an essential technique for extracting information from websites. If you\u2019re looking to learn how to scrape data with Python and BeautifulSoup, this guide will walk you through the process step-by-step. By the end of this article, you\u2019ll know how to scrape multiple pages, handle dynamic content, and use proxy servers to avoid [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":923137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-923136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/posts\/923136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/comments?post=923136"}],"version-history":[{"count":1,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/posts\/923136\/revisions"}],"predecessor-version":[{"id":926430,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/posts\/923136\/revisions\/926430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/media\/923137"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/media?parent=923136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/categories?post=923136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/cn\/wp-json\/wp\/v2\/tags?post=923136"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}