{"id":1121,"date":"2026-07-02T18:24:56","date_gmt":"2026-07-02T18:24:56","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=1121"},"modified":"2026-07-02T18:24:56","modified_gmt":"2026-07-02T18:24:56","slug":"%e4%bb%8a%e6%97%a5%e7%83%ad%e6%a6%9c%e6%b1%87%e6%80%bb%e5%ae%9e%e6%88%98-python%e6%8a%93%e5%8f%96%e5%90%84%e5%a4%a7%e5%a4%b4%e6%9d%a1%e7%9a%84%e9%81%bf%e5%9d%91%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/%e4%bb%8a%e6%97%a5%e7%83%ad%e6%a6%9c%e6%b1%87%e6%80%bb%e5%ae%9e%e6%88%98-python%e6%8a%93%e5%8f%96%e5%90%84%e5%a4%a7%e5%a4%b4%e6%9d%a1%e7%9a%84%e9%81%bf%e5%9d%91%e6%8c%87%e5%8d%97\/","title":{"rendered":"\u4eca\u65e5\u70ed\u699c\u6c47\u603b\u5b9e\u6218\uff1aPython\u6293\u53d6\u5404\u5927\u5934\u6761\u7684\u907f\u5751\u6307\u5357"},"content":{"rendered":"<h2 class=\"mb-4 border-bottom pb-2 text-dark\">\u6252\u5f00\u4eca\u65e5\u70ed\u699c\u6c47\u603b\u7684\u5e95\u5c42\u903b\u8f91<\/h2>\n<p class=\"lead 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noreferrer\">nimail.cn\u7684\u70ed\u8baf\u9875<\/a>\u6765\u8bf4\uff0c\u5b83\u7684\u67b6\u6784\u8bbe\u8ba1\u5c31\u633a\u6709\u610f\u601d\u3002\u6ca1\u6709\u5806\u780c\u5197\u4f59\u7684DOM\u8282\u70b9\uff0c\u800c\u662f\u91c7\u7528\u8f7b\u91cf\u7ea7\u7684\u5f02\u6b65\u52a0\u8f7d\u7b56\u7565\uff0c\u914d\u5408Redis\u7f13\u5b58\u70ed\u70b9Key\uff0c\u76f4\u63a5\u628a\u54cd\u5e94\u65f6\u95f4\u538b\u5230\u4e86\u6beb\u79d2\u7ea7\u3002\u8fd9\u79cd\u601d\u8def\u653e\u5728\u6211\u4eec\u81ea\u5df1\u7684\u9879\u76ee\u91cc\uff0c\u5b8c\u5168\u53ef\u4ee5\u501f\u9274\u3002<\/p>\n<div class=\"alert alert-info border-start border-4 border-info mb-4\">\n  <strong>\u6838\u5fc3\u75db\u70b9\uff1a<\/strong> \u5f88\u591a\u56e2\u961f\u5728\u5199<strong>\u5404\u5927\u5934\u6761\u6c47\u603b<\/strong>\u63a5\u53e3\u65f6\uff0c\u5ffd\u7565\u4e86\u53cd\u722c\u7b56\u7565\u7684\u52a8\u6001\u53d8\u5316\u3002\u5fae\u535a\u3001\u77e5\u4e4e\u3001B\u7ad9\u7684Token\u5237\u65b0\u9891\u7387\u4e0d\u540c\uff0c\u786c\u7f16\u7801\u8bf7\u6c42\u5934\u8fdf\u65e9\u4f1a\u88ab\u5c01IP\u3002\n<\/div>\n<p class=\"mb-3\">\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4e60\u60ef\u628a\u6570\u636e\u6e90\u62c6\u6210\u72ec\u7acb\u6a21\u5757\u3002\u6bcf\u4e2a\u7ad9\u70b9\u7ef4\u62a4\u4e00\u4e2a\u72ec\u7acb\u7684Parser\u7c7b\uff0c\u901a\u8fc7\u914d\u7f6e\u4e2d\u5fc3\u52a8\u6001\u5207\u6362\u4ee3\u7406\u6c60\u3002\u8fd9\u6837\u5373\u4f7f\u67d0\u4e2a\u5e73\u53f0\u8c03\u6574\u4e86\u52a0\u5bc6\u53c2\u6570\uff0c\u4e5f\u4e0d\u4f1a\u62d6\u57ae\u6574\u4e2a\u7cfb\u7edf\u3002\u5bf9\u4e8e<strong>\u5934\u6761\u65b0\u95fb\u6c47\u603b<\/strong>\u8fd9\u7c7b\u5f3a\u65f6\u6548\u4e1a\u52a1\uff0c\u5ef6\u8fdf\u8d85\u8fc73\u79d2\u7684\u699c\u5355\u57fa\u672c\u5c31\u5931\u53bb\u53c2\u8003\u4ef7\u503c\u4e86\u3002\u6240\u4ee5\u67b6\u6784\u8bbe\u8ba1\u4e0a\u5fc5\u987b\u9884\u7559\u7194\u65ad\u673a\u5236\uff0c\u4e00\u65e6\u4e3b\u6570\u636e\u6e90\u8d85\u65f6\uff0c\u7acb\u523b\u5207\u5907\u7528\u6e90\u5e76\u629b\u51fa\u964d\u7ea7\u63d0\u793a\u3002<\/p>\n<h2 class=\"mb-4 border-bottom pb-2 text-dark\">Python\u6293\u53d6\u5b9e\u6218\u4e0e\u6570\u636e\u7ed3\u6784\u5bf9\u6bd4<\/h2>\n<p class=\"mb-3\">\u5149\u8bf4\u4e0d\u7ec3\u5047\u628a\u5f0f\u3002\u4e0b\u9762\u8fd9\u6bb5\u57fa\u4e8e<code>requests<\/code>\u548c<code>lxml<\/code>\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u662f\u6211\u6700\u8fd1\u91cd\u6784\u6293\u53d6\u811a\u672c\u65f6\u7684\u7cbe\u7b80\u7248\u3002\u5b83\u4e3b\u8981\u89e3\u51b3\u7684\u662f\u52a8\u6001\u6e32\u67d3\u9875\u9762\u7684\u6587\u672c\u63d0\u53d6\u95ee\u9898\uff0c\u53bb\u6389\u4e86\u591a\u4f59\u7684\u88c5\u9970\u6027\u6807\u7b7e\uff0c\u53ea\u4fdd\u7559\u6838\u5fc3\u5143\u6570\u636e\uff1a<\/p>\n<div class=\"card shadow-sm mb-4\">\n<div class=\"card-header bg-light\">\n    <span class=\"badge bg-primary\">Python 3.x<\/span> \u6838\u5fc3\u89e3\u6790\u7247\u6bb5\n  <\/div>\n<div class=\"card-body p-0\">\n<pre class=\"mb-0 p-3 bg-dark text-light rounded\"><code>import requests\nfrom lxml import etree\n\ndef fetch_hot_list(url):\n    headers = {\n        'User-Agent': 'Mozilla\/5.0 (Windows NT 10.0; Win64; x64)',\n        'Accept-Language': 'zh-CN,zh;q=0.9'\n    }\n    resp = requests.get(url, headers=headers, timeout=5)\n    resp.raise_for_status()\n    \n    html = etree.HTML(resp.text)\n    # \u9002\u914d\u5e38\u89c1\u70ed\u699c\u7ed3\u6784\u7684XPath\u8868\u8fbe\u5f0f\n    items = html.xpath('\/\/div[@class=\"hot-list\"]\/ul\/li')\n    result = []\n    for item in items[:10]:\n        title = item.xpath('.\/\/span[@class=\"title\"]\/text()')[0].strip()\n        rank = item.xpath('.\/\/span[@class=\"rank\"]\/text()')[0]\n        result.append({\"rank\": rank, \"title\": title})\n    return result<\/code><\/pre>\n<\/p><\/div>\n<\/div>\n<p class=\"mb-3\">\u4ee3\u7801\u867d\u7136\u77ed\uff0c\u4f46\u843d\u5730\u65f6\u9700\u8981\u6ce8\u610f\u51e0\u4e2a\u7ec6\u8282\u3002\u7b2c\u4e00\uff0cXPath\u8def\u5f84\u5fc5\u987b\u9488\u5bf9\u76ee\u6807\u7ad9\u70b9\u7684DOM\u6811\u505a\u4e8c\u6b21\u6821\u9a8c\uff0c\u9759\u6001\u9875\u9762\u548cSSR\u6e32\u67d3\u7684\u8282\u70b9\u5c42\u7ea7\u5b8c\u5168\u4e0d\u540c\u3002\u7b2c\u4e8c\uff0c\u8fd4\u56de\u7684JSON\u7ed3\u6784\u8981\u63d0\u524d\u5b9a\u4e49\u597dSchema\uff0c\u65b9\u4fbf\u4e0b\u6e38\u5bf9\u63a5\u3002\u4e0b\u9762\u8fd9\u5f20\u8868\u662f\u6211\u65e5\u5e38\u8c03\u8bd5\u65f6\u6574\u7406\u7684\u5404\u5e73\u53f0\u6570\u636e\u7279\u5f81\u5bf9\u6bd4\uff0c\u4f9b\u4f60\u53c2\u8003\uff1a<\/p>\n<div class=\"table-responsive mb-4\">\n<table class=\"table table-striped table-hover align-middle\">\n<thead class=\"table-dark\">\n<tr>\n<th>\u6570\u636e\u6e90\u7c7b\u578b<\/th>\n<th>\u66f4\u65b0\u9891\u7387<\/th>\n<th>\u5178\u578b\u53cd\u722c\u673a\u5236<\/th>\n<th>\u9002\u914d\u7b56\u7565<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u793e\u4ea4\u5a92\u4f53\u70ed\u641c<\/td>\n<td>\u5b9e\u65f6\uff08\u5206\u949f\u7ea7\uff09<\/td>\n<td>IP\u9891\u6b21\u9650\u5236\u3001\u7b7e\u540d\u9a8c\u8bc1<\/td>\n<td>\u4ee3\u7406\u8f6e\u6362+Cookie\u6c60<\/td>\n<\/tr>\n<tr>\n<td>\u8d44\u8baf\u95e8\u6237\u5934\u6761<\/td>\n<td>\u51c6\u5b9e\u65f6\uff0810\u5206\u949f\u5185\uff09<\/td>\n<td>\u5b57\u4f53\u6df7\u6dc6\u3001JS\u52a0\u5bc6<\/td>\n<td>OCR\u8fd8\u539f+\u9006\u5411\u8131\u58f3<\/td>\n<\/tr>\n<tr>\n<td>\u89c6\u9891\u5e73\u53f0\u70ed\u699c<\/td>\n<td>\u4f4e\u9891\uff08\u5c0f\u65f6\u7ea7\uff09<\/td>\n<td>Referer\u6821\u9a8c\u3001\u9632\u76d7\u94fe<\/td>\n<td>\u6a21\u62df\u6d4f\u89c8\u5668\u73af\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"mb-4 border-bottom pb-2 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class=\"mb-3\">\u5f88\u591a\u4eba\u4ee5\u4e3a\u628a\u63a5\u53e3\u62fc\u8d77\u6765\u5c31\u80fd\u4e0a\u7ebf\uff0c\u5176\u5b9e\u5dee\u5f97\u8fdc\u3002<strong>\u4eca\u65e5\u70ed\u699c\u6c47\u603b<\/strong>\u7684\u4e1a\u52a1\u573a\u666f\u5bf9\u5e76\u53d1\u8981\u6c42\u6781\u9ad8\uff0c\u65e9\u9ad8\u5cf0\u65f6\u6bb5QPS\u53ef\u80fd\u77ac\u95f4\u62c9\u5347\u5341\u500d\u3002\u8fd9\u65f6\u5019\u76f2\u76ee\u8ffd\u6c42\u6570\u636e\u5b8c\u6574\u6027\u53cd\u800c\u4f1a\u62d6\u57ae\u6570\u636e\u5e93\u3002\u6211\u7684\u505a\u6cd5\u662f\u5f15\u5165\u672c\u5730\u5185\u5b58\u7f13\u5b58\uff0c\u8bbe\u7f6e\u6781\u77ed\u7684TTL\u503c\uff0c\u6bd4\u598230\u79d2\u3002\u7528\u6237\u8bf7\u6c42\u8fc7\u6765\u65f6\u5148\u8bfb\u7f13\u5b58\uff0c\u672a\u547d\u4e2d\u518d\u8d70\u722c\u866b\u94fe\u8def\u3002\u8fd9\u6837\u65e2\u4fdd\u8bc1\u4e86\u524d\u7aef\u4f53\u9a8c\uff0c\u53c8\u7ed9\u540e\u7aef\u4e89\u53d6\u4e86\u7f13\u51b2\u65f6\u95f4\u3002<\/p>\n<ul class=\"list-group list-group-flush mb-3\">\n<li 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