{"id":1121,"date":"2026-07-02T09:53:05","date_gmt":"2026-07-02T01:53:05","guid":{"rendered":"https:\/\/onehustle.io\/index.php\/2026\/07\/02\/python-web-scraper-tutorial\/"},"modified":"2026-07-02T09:53:05","modified_gmt":"2026-07-02T01:53:05","slug":"python-web-scraper-tutorial","status":"publish","type":"post","link":"https:\/\/onehustle.io\/index.php\/2026\/07\/02\/python-web-scraper-tutorial\/","title":{"rendered":"Python \u722c\u866b\u5165\u95e8\u6559\u7a0b\uff1a\u4ece\u96f6\u642d\u5efa\u4f60\u7684\u7b2c\u4e00\u4e2a\u7f51\u9875\u722c\u866b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Python \u662f\u6700\u6d41\u884c\u7684\u722c\u866b\u5f00\u53d1\u8bed\u8a00\u3002\u672c\u6587\u624b\u628a\u624b\u6559\u4f60\u7528 Python \u5199\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u9875\u722c\u866b\u2014\u2014\u4ece\u5b89\u88c5\u73af\u5883\u5230\u53d1\u9001\u8bf7\u6c42\u3001\u89e3\u6790 HTML\u3001\u5b58\u50a8\u6570\u636e\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5\u4f9d\u8d56\u5e93<\/h2>\n<p class=\"wp-block-paragraph\">\u9996\u5148\u4f60\u9700\u8981\u4e24\u4e2a\u6838\u5fc3\u5e93\uff1a<code>requests<\/code> \u7528\u6765\u53d1\u9001 HTTP \u8bf7\u6c42\u83b7\u53d6\u9875\u9762\uff0c<code>beautifulsoup4<\/code> \u7528\u6765\u89e3\u6790 HTML \u63d0\u53d6\u6570\u636e\u3002<\/p>\n\n<pre class=\"wp-block-code\"><code>pip install requests beautifulsoup4 lxml<\/code><\/pre>\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u53d1\u9001\u8bf7\u6c42\u83b7\u53d6\u9875\u9762<\/h2>\n<pre class=\"wp-block-code\"><code>import requests\n\nurl = \"https:\/\/example.com\"\nheaders = {\n    \"User-Agent\": \"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36\"\n}\nresponse = requests.get(url, headers=headers)\nif response.status_code == 200:\n    html = response.text\nelse:\n    print(f\"\u8bf7\u6c42\u5931\u8d25: {response.status_code}\")<\/code><\/pre>\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a\u89e3\u6790 HTML \u63d0\u53d6\u6570\u636e<\/h2>\n<pre class=\"wp-block-code\"><code>from bs4 import BeautifulSoup\n\nsoup = BeautifulSoup(html, \"lxml\")\n\n# \u63d0\u53d6\u6240\u6709\u6807\u9898\ntitles = soup.find_all(\"h2\")\nfor title in titles:\n    print(title.text.strip())\n\n# \u7528 CSS \u9009\u62e9\u5668\u63d0\u53d6\nitems = soup.select(\".product-item .price\")\nfor item in items:\n    print(item.text.strip())<\/code><\/pre>\n\n<h2 class=\"wp-block-heading\">\u7b2c\u56db\u6b65\uff1a\u7ffb\u9875\u548c\u9012\u5f52<\/h2>\n<pre class=\"wp-block-code\"><code># \u7ffb\u9875\u91c7\u96c6\nfor page in range(1, 11):\n    url = f\"https:\/\/example.com\/page\/{page}\"\n    response = requests.get(url, headers=headers)\n    # ... \u89e3\u6790\u903b\u8f91 ...<\/code><\/pre>\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e94\u6b65\uff1a\u52a0\u4e0a\u4ee3\u7406<\/h2>\n<p class=\"wp-block-paragraph\">\u91c7\u96c6\u591a\u4e2a\u9875\u9762\u65f6\u5efa\u8bae\u4f7f\u7528\u4ee3\u7406\uff1a<\/p>\n\n<pre class=\"wp-block-code\"><code>proxies = {\n    \"http\": \"http:\/\/user:pass@proxy_ip:port\",\n    \"https\": \"http:\/\/user:pass@proxy_ip:port\"\n}\nresponse = requests.get(url, headers=headers, proxies=proxies)<\/code><\/pre>\n\n<h2 class=\"wp-block-heading\">\u8fdb\u9636\uff1aScrapy \u6846\u67b6<\/h2>\n<p class=\"wp-block-paragraph\">\u5c0f\u578b\u9879\u76ee\u7528 Requests+BeautifulSoup \u8db3\u591f\u3002\u5927\u89c4\u6a21\u91c7\u96c6\u5efa\u8bae\u7528 Scrapy \u6846\u67b6\uff0c\u81ea\u5e26\u5f02\u6b65\u8bf7\u6c42\u3001\u4e2d\u95f4\u4ef6\u3001Pipeline \u7b49\u529f\u80fd\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\">\u76f8\u5173\u6559\u7a0b<\/h2>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/onehustle.io\/index.php\/2026\/07\/02\/web-scraping-guide\/\">\u7f51\u9875\u722c\u866b\u5b8c\u5168\u6307\u5357<\/a><\/li>\n<li><a href=\"https:\/\/onehustle.io\/index.php\/2026\/07\/02\/web-scraping-practices-guide\/\">\u7f51\u9875\u722c\u866b\u6700\u4f73\u5b9e\u8df5<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Python \u662f\u6700\u6d41\u884c\u7684\u722c\u866b\u5f00\u53d1\u8bed\u8a00\u3002\u672c\u6587\u624b\u628a\u624b\u6559\u4f60\u7528 Python \u5199\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u9875\u722c\u866b\u2014\u2014\u4ece\u5b89\u88c5\u73af\u5883\u5230\u53d1\u9001\u8bf7\u6c42\u3001\u89e3\u6790&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1121","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/posts\/1121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/comments?post=1121"}],"version-history":[{"count":0,"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/posts\/1121\/revisions"}],"wp:attachment":[{"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/media?parent=1121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/categories?post=1121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onehustle.io\/index.php\/wp-json\/wp\/v2\/tags?post=1121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}