{"id":958268,"date":"2024-12-27T03:21:52","date_gmt":"2024-12-26T19:21:52","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/958268.html"},"modified":"2024-12-27T03:21:54","modified_gmt":"2024-12-26T19:21:54","slug":"python%e5%a6%82%e4%bd%95%e9%87%87%e9%9b%86%e5%a4%a7%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/958268.html","title":{"rendered":"python\u5982\u4f55\u91c7\u96c6\u5927\u6570\u636e"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25101345\/c8bb609f-8b21-46fb-94bf-dceac6f96819.webp\" alt=\"python\u5982\u4f55\u91c7\u96c6\u5927\u6570\u636e\" \/><\/p>\n<p><p> \u4e00\u3001\u4f7f\u7528Python\u91c7\u96c6\u5927\u6570\u636e\u7684\u6838\u5fc3\u65b9\u6cd5<\/p>\n<\/p>\n<p><p><strong>Python\u91c7\u96c6\u5927\u6570\u636e\u7684\u6838\u5fc3\u65b9\u6cd5\u5305\u62ec\uff1aWeb Scraping\u3001API\u8c03\u7528\u3001\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6d41\u6570\u636e\u5904\u7406\u3002<\/strong>\u5176\u4e2d\uff0cWeb Scraping\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6280\u672f\uff0c\u5b83\u901a\u8fc7\u89e3\u6790\u7f51\u9875\u7684HTML\u7ed3\u6784\uff0c\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u3002Python\u4e2d\u6709\u8bb8\u591a\u5e93\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff0c\u6bd4\u5982BeautifulSoup\u548cScrapy\u3002\u4e0b\u9762\u5c06\u91cd\u70b9\u4ecb\u7ecdWeb Scraping\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><p>Web Scraping\u7684\u57fa\u672c\u6d41\u7a0b\u662f\uff1a\u9996\u5148\uff0c\u901a\u8fc7HTTP\u8bf7\u6c42\u83b7\u53d6\u7f51\u9875\u7684HTML\u5185\u5bb9\uff1b\u5176\u6b21\uff0c\u4f7f\u7528\u89e3\u6790\u5e93\u89e3\u6790HTML\u6587\u6863\uff0c\u627e\u5230\u5e76\u63d0\u53d6\u76ee\u6807\u6570\u636e\uff1b\u6700\u540e\uff0c\u5c06\u6570\u636e\u5b58\u50a8\u5728\u9700\u8981\u7684\u683c\u5f0f\u4e2d\uff0c\u6bd4\u5982CSV\u3001JSON\u6216\u6570\u636e\u5e93\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u91c7\u96c6\u6570\u636e\u65f6\u8981\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u7f51\u7ad9\u7684robots.txt\u534f\u8bae\uff0c\u4ee5\u514d\u4fb5\u72af\u9690\u79c1\u6216\u8fdd\u53cd\u670d\u52a1\u6761\u6b3e\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001WEB SCRAPING\u6280\u672f<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528BeautifulSoup\u8fdb\u884c\u7f51\u9875\u89e3\u6790<\/li>\n<\/ol>\n<p><p>BeautifulSoup\u662fPython\u4e2d\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684HTML\u548cXML\u89e3\u6790\u5e93\u3002\u5b83\u63d0\u4f9b\u4e86\u7b80\u5355\u7684API\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u4ece\u7f51\u9875\u4e2d\u63d0\u53d6\u6570\u636e\u3002\u4f7f\u7528BeautifulSoup\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u9996\u5148\uff0c\u4f7f\u7528requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff1b\u7136\u540e\uff0c\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u6587\u6863\uff1b\u6700\u540e\uff0c\u6839\u636eHTML\u7ed3\u6784\u5b9a\u4f4d\u5e76\u63d0\u53d6\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u8981\u4ece\u67d0\u4e2a\u65b0\u95fb\u7f51\u7ad9\u4e0a\u63d0\u53d6\u6587\u7ae0\u6807\u9898\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>from bs4 import BeautifulSoup<\/p>\n<h2><strong>\u53d1\u9001HTTP\u8bf7\u6c42\u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/strong><\/h2>\n<p>url = &#39;https:\/\/example.com\/news&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<h2><strong>\u4f7f\u7528BeautifulSoup\u89e3\u6790HTML\u6587\u6863<\/strong><\/h2>\n<p>soup = BeautifulSoup(response.text, &#39;html.parser&#39;)<\/p>\n<h2><strong>\u63d0\u53d6\u6240\u6709\u6587\u7ae0\u6807\u9898<\/strong><\/h2>\n<p>titles = soup.find_all(&#39;h2&#39;, class_=&#39;article-title&#39;)<\/p>\n<p>for title in titles:<\/p>\n<p>    print(title.text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528Scrapy\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u91c7\u96c6<\/li>\n<\/ol>\n<p><p>Scrapy\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684Web\u722c\u866b\u6846\u67b6\uff0c\u9002\u5408\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u91c7\u96c6\u4efb\u52a1\u3002Scrapy\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u652f\u6301\u5f02\u6b65\u8bf7\u6c42\u3001\u81ea\u52a8\u5904\u7406cookies\u548c\u8bf7\u6c42\u5934\u3001\u4ee5\u53ca\u6570\u636e\u7ba1\u9053\u7b49\u3002<\/p>\n<\/p>\n<p><p>Scrapy\u9879\u76ee\u7684\u7ed3\u6784\u5316\u8bbe\u8ba1\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4e8e\u590d\u6742\u7684\u91c7\u96c6\u4efb\u52a1\u3002\u901a\u8fc7\u5b9a\u4e49\u722c\u866b\u7c7b\u548c\u6570\u636e\u7ba1\u9053\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u6570\u636e\u7684\u91c7\u96c6\u548c\u5b58\u50a8\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001API\u8c03\u7528\u83b7\u53d6\u6570\u636e<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528RESTful API\u83b7\u53d6\u6570\u636e<\/li>\n<\/ol>\n<p><p>\u8bb8\u591a\u7f51\u7ad9\u548c\u670d\u52a1\u63d0\u4f9bRESTful API\u63a5\u53e3\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u83b7\u53d6\u6570\u636e\u3002\u4f7f\u7528RESTful API\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u901a\u5e38\u6bd4Web Scraping\u66f4\u9ad8\u6548\u548c\u7a33\u5b9a\uff0c\u56e0\u4e3aAPI\u901a\u5e38\u63d0\u4f9b\u7ed3\u6784\u5316\u7684\u6570\u636e\u683c\u5f0f\uff08\u5982JSON\u6216XML\uff09\uff0c\u5e76\u4e14\u5bf9\u6570\u636e\u7684\u8bbf\u95ee\u6709\u660e\u786e\u7684\u6388\u6743\u673a\u5236\u3002<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528API\u65f6\uff0c\u9996\u5148\u9700\u8981\u67e5\u9605API\u6587\u6863\uff0c\u4e86\u89e3\u5982\u4f55\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3001\u8bf7\u6c42\u683c\u5f0f\u548c\u53c2\u6570\u8bbe\u7f6e\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u89e3\u6790\u54cd\u5e94\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u83b7\u53d6\u5929\u6c14\u4fe1\u606f\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<h2><strong>\u53d1\u9001API\u8bf7\u6c42\u83b7\u53d6\u5929\u6c14\u6570\u636e<\/strong><\/h2>\n<p>api_key = &#39;your_api_key&#39;<\/p>\n<p>city = &#39;London&#39;<\/p>\n<p>url = f&#39;http:\/\/api.openweathermap.org\/data\/2.5\/weather?q={city}&amp;appid={api_key}&#39;<\/p>\n<p>response = requests.get(url)<\/p>\n<p>weather_data = response.json()<\/p>\n<h2><strong>\u6253\u5370\u5929\u6c14\u4fe1\u606f<\/strong><\/h2>\n<p>print(f&quot;Temperature: {weather_data[&#39;m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n&#39;][&#39;temp&#39;]}&quot;)<\/p>\n<p>print(f&quot;Weather: {weather_data[&#39;weather&#39;][0][&#39;description&#39;]}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u5904\u7406\u5206\u9875\u548c\u901f\u7387\u9650\u5236<\/li>\n<\/ol>\n<p><p>\u5728API\u8c03\u7528\u4e2d\uff0c\u5206\u9875\u548c\u901f\u7387\u9650\u5236\u662f\u5e38\u89c1\u7684\u6311\u6218\u3002\u5206\u9875\u662f\u6307API\u8fd4\u56de\u7684\u6570\u636e\u88ab\u5206\u6210\u591a\u9875\uff0c\u56e0\u6b64\u9700\u8981\u5faa\u73af\u8bf7\u6c42\u6765\u83b7\u53d6\u6240\u6709\u6570\u636e\u3002\u901f\u7387\u9650\u5236\u662f\u6307API\u5bf9\u8bf7\u6c42\u9891\u7387\u7684\u9650\u5236\uff0c\u4ee5\u9632\u6b62\u8fc7\u8f7d\u3002<\/p>\n<\/p>\n<p><p>\u5904\u7406\u5206\u9875\u7684\u65b9\u6cd5\u662f\u68c0\u67e5API\u54cd\u5e94\u4e2d\u7684\u5206\u9875\u4fe1\u606f\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u53d1\u9001\u540e\u7eed\u8bf7\u6c42\u3002\u5904\u7406\u901f\u7387\u9650\u5236\u7684\u65b9\u6cd5\u662f\u9075\u5faaAPI\u6587\u6863\u4e2d\u7684\u5efa\u8bae\uff0c\u4f7f\u7528\u9002\u5f53\u7684\u5ef6\u8fdf\u6216\u6279\u91cf\u8bf7\u6c42\u7b56\u7565\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u6570\u636e\u5e93\u8fde\u63a5\u4e0e\u6570\u636e\u5b58\u50a8<\/p>\n<\/p>\n<ol>\n<li>\u8fde\u63a5\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e<\/li>\n<\/ol>\n<p><p>\u5728\u5927\u6570\u636e\u91c7\u96c6\u4e2d\uff0c\u6570\u636e\u5e93\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6570\u636e\u6e90\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5e93\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u5e93\uff0c\u5982MySQL\u3001PostgreSQL\u3001MongoDB\u7b49\u3002\u901a\u8fc7SQL\u67e5\u8be2\uff0c\u53ef\u4ee5\u4ece\u6570\u636e\u5e93\u4e2d\u9ad8\u6548\u5730\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u4f7f\u7528PyMySQL\u8fde\u63a5MySQL\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pymysql<\/p>\n<h2><strong>\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93<\/strong><\/h2>\n<p>connection = pymysql.connect(<\/p>\n<p>    host=&#39;localhost&#39;,<\/p>\n<p>    user=&#39;user&#39;,<\/p>\n<p>    password=&#39;password&#39;,<\/p>\n<p>    database=&#39;database_name&#39;<\/p>\n<p>)<\/p>\n<h2><strong>\u521b\u5efa\u6e38\u6807\u5bf9\u8c61<\/strong><\/h2>\n<p>cursor = connection.cursor()<\/p>\n<h2><strong>\u6267\u884cSQL\u67e5\u8be2<\/strong><\/h2>\n<p>cursor.execute(&quot;SELECT * FROM table_name&quot;)<\/p>\n<h2><strong>\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/strong><\/h2>\n<p>results = cursor.fetchall()<\/p>\n<p>for row in results:<\/p>\n<p>    print(row)<\/p>\n<h2><strong>\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n<p>connection.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u5c06\u91c7\u96c6\u7684\u6570\u636e\u5b58\u50a8\u5230\u6570\u636e\u5e93<\/li>\n<\/ol>\n<p><p>\u9664\u4e86\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u91c7\u96c6\u5230\u7684\u6570\u636e\u4e5f\u53ef\u4ee5\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002\u8fd9\u6837\u53ef\u4ee5\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u5206\u6790\u5927\u91cf\u6570\u636e\u3002\u5b58\u50a8\u6570\u636e\u65f6\uff0c\u9700\u8981\u6839\u636e\u6570\u636e\u7684\u7279\u6027\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u7c7b\u578b\u548c\u8bbe\u8ba1\u9002\u5f53\u7684\u8868\u7ed3\u6784\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u6d41\u6570\u636e\u5904\u7406\u4e0e\u5b9e\u65f6\u6570\u636e\u91c7\u96c6<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528Kafka\u8fdb\u884c\u6d41\u6570\u636e\u5904\u7406<\/li>\n<\/ol>\n<p><p>\u5728\u67d0\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6570\u636e\u662f\u4ee5\u6d41\u7684\u5f62\u5f0f\u4ea7\u751f\u548c\u6d88\u8d39\u7684\uff0c\u4f8b\u5982\u793e\u4ea4\u5a92\u4f53\u6d88\u606f\u3001\u4f20\u611f\u5668\u6570\u636e\u7b49\u3002Kafka\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u6d41\u5904\u7406\u5e73\u53f0\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7Kafka\uff0c\u6570\u636e\u53ef\u4ee5\u88ab\u9ad8\u6548\u5730\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u5904\u7406\u3002Python\u4e2d\u6709\u591a\u4e2a\u5e93\u53ef\u4ee5\u4e0eKafka\u96c6\u6210\uff0c\u4f8b\u5982confluent-kafka-python\u548cpyspark.streaming\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u4f7f\u7528WebSocket\u8fdb\u884c\u5b9e\u65f6\u6570\u636e\u91c7\u96c6<\/li>\n<\/ol>\n<p><p>WebSocket\u662f\u4e00\u79cd\u5728\u5355\u4e2aTCP\u8fde\u63a5\u4e0a\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u9002\u5408\u4e8e\u5b9e\u65f6\u6570\u636e\u91c7\u96c6\u3002\u8bb8\u591a\u91d1\u878d\u6570\u636e\u63d0\u4f9b\u5546\u4f7f\u7528WebSocket\u63d0\u4f9b\u5b9e\u65f6\u884c\u60c5\u6570\u636e\u3002<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528websocket-client\u5e93\u4e0eWebSocket\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u63a5\u6536\u5b9e\u65f6\u6570\u636e\u3002\u4f8b\u5982\uff0c\u63a5\u6536\u80a1\u7968\u4ef7\u683c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import websocket<\/p>\n<p>def on_message(ws, message):<\/p>\n<p>    print(f&quot;Received message: {message}&quot;)<\/p>\n<h2><strong>\u8fde\u63a5\u5230WebSocket\u670d\u52a1\u5668<\/strong><\/h2>\n<p>ws = websocket.WebSocketApp(&quot;wss:\/\/example.com\/realtime&quot;,<\/p>\n<p>                            on_message=on_message)<\/p>\n<h2><strong>\u5f00\u59cb\u8fd0\u884c<\/strong><\/h2>\n<p>ws.run_forever()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516d\u3001\u6570\u636e\u6e05\u6d17\u4e0e\u9884\u5904\u7406<\/p>\n<\/p>\n<ol>\n<li>\u6570\u636e\u6e05\u6d17\u7684\u91cd\u8981\u6027<\/li>\n<\/ol>\n<p><p>\u5728\u5927\u6570\u636e\u91c7\u96c6\u4e2d\uff0c\u83b7\u53d6\u7684\u6570\u636e\u901a\u5e38\u662f\u6742\u4e71\u65e0\u7ae0\u7684\uff0c\u9700\u8981\u7ecf\u8fc7\u6e05\u6d17\u548c\u9884\u5904\u7406\u624d\u80fd\u7528\u4e8e\u5206\u6790\u3002\u6570\u636e\u6e05\u6d17\u5305\u62ec\u53bb\u9664\u91cd\u590d\u6570\u636e\u3001\u5904\u7406\u7f3a\u5931\u503c\u3001\u6807\u51c6\u5316\u6570\u636e\u683c\u5f0f\u7b49\u3002<\/p>\n<\/p>\n<p><p>Python\u7684pandas\u5e93\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u636e\u6e05\u6d17\u529f\u80fd\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u64cd\u4f5c\u548c\u8f6c\u6362\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53bb\u9664\u7f3a\u5931\u503c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pandas as pd<\/p>\n<h2><strong>\u521b\u5efa\u793a\u4f8bDataFrame<\/strong><\/h2>\n<p>data = {&#39;Name&#39;: [&#39;Alice&#39;, &#39;Bob&#39;, None],<\/p>\n<p>        &#39;Age&#39;: [25, None, 30]}<\/p>\n<p>df = pd.DataFrame(data)<\/p>\n<h2><strong>\u53bb\u9664\u7f3a\u5931\u503c<\/strong><\/h2>\n<p>df_clean = df.dropna()<\/p>\n<p>print(df_clean)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\u6570\u636e\u9884\u5904\u7406\u4e0e\u7279\u5f81\u5de5\u7a0b<\/li>\n<\/ol>\n<p><p>\u6570\u636e\u9884\u5904\u7406\u662f\u6570\u636e\u5206\u6790\u548c<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u9664\u4e86\u6e05\u6d17\u6570\u636e\uff0c\u8fd8\u9700\u8981\u8fdb\u884c\u7279\u5f81\u5de5\u7a0b\uff0c\u5982\u5f52\u4e00\u5316\u3001\u7f16\u7801\u5206\u7c7b\u53d8\u91cf\u3001\u751f\u6210\u65b0\u7279\u5f81\u7b49\u3002\u7279\u5f81\u5de5\u7a0b\u53ef\u4ee5\u63d0\u9ad8\u6a21\u578b\u7684\u6027\u80fd\u548c\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u6570\u636e\u5206\u6790\u4e0e\u53ef\u89c6\u5316<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528Python\u8fdb\u884c\u6570\u636e\u5206\u6790<\/li>\n<\/ol>\n<p><p>Python\u62e5\u6709\u4e30\u5bcc\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u5982pandas\u3001numpy\u3001scipy\u7b49\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u3001\u7edf\u8ba1\u5206\u6790\u548c\u6570\u503c\u8ba1\u7b97\u3002\u8fd9\u4e9b\u5e93\u4e3a\u6570\u636e\u5206\u6790\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u652f\u6301\u4ece\u7b80\u5355\u7684\u63cf\u8ff0\u7edf\u8ba1\u5230\u590d\u6742\u7684\u591a\u7ef4\u5206\u6790\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u6570\u636e\u53ef\u89c6\u5316\u5de5\u5177<\/li>\n<\/ol>\n<p><p>\u6570\u636e\u53ef\u89c6\u5316\u662f\u6570\u636e\u5206\u6790\u7684\u91cd\u8981\u73af\u8282\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7406\u89e3\u6570\u636e\u6a21\u5f0f\u548c\u8d8b\u52bf\u3002Python\u4e2d\u6709\u591a\u4e2a\u5f3a\u5927\u7684\u53ef\u89c6\u5316\u5e93\uff0c\u5982matplotlib\u3001seaborn\u3001plotly\u7b49\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u591a\u79cd\u56fe\u8868\u7c7b\u578b\u548c\u5b9a\u5236\u9009\u9879\uff0c\u6ee1\u8db3\u4e0d\u540c\u7684\u53ef\u89c6\u5316\u9700\u6c42\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u4f7f\u7528matplotlib\u7ed8\u5236\u67f1\u72b6\u56fe\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import matplotlib.pyplot as plt<\/p>\n<h2><strong>\u521b\u5efa\u793a\u4f8b\u6570\u636e<\/strong><\/h2>\n<p>categories = [&#39;Category A&#39;, &#39;Category B&#39;, &#39;Category C&#39;]<\/p>\n<p>values = [10, 20, 15]<\/p>\n<h2><strong>\u7ed8\u5236\u67f1\u72b6\u56fe<\/strong><\/h2>\n<p>plt.bar(categories, values)<\/p>\n<p>plt.xlabel(&#39;Categories&#39;)<\/p>\n<p>plt.ylabel(&#39;Values&#39;)<\/p>\n<p>plt.title(&#39;Bar Chart Example&#39;)<\/p>\n<p>plt.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u516b\u3001\u91c7\u96c6\u5927\u6570\u636e\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<ol>\n<li>\u5408\u6cd5\u6027\u4e0e\u9053\u5fb7\u8003\u8651<\/li>\n<\/ol>\n<p><p>\u5728\u91c7\u96c6\u5927\u6570\u636e\u65f6\uff0c\u5fc5\u987b\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u9053\u5fb7\u6807\u51c6\u3002\u786e\u4fdd\u4e0d\u4fb5\u72af\u9690\u79c1\u3001\u4e0d\u8fdd\u53cd\u670d\u52a1\u6761\u6b3e\uff0c\u5e76\u83b7\u5f97\u6570\u636e\u6240\u6709\u8005\u7684\u6388\u6743\u3002\u4e86\u89e3\u5e76\u9075\u5faaGDPR\u7b49\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\uff0c\u4ee5\u4fdd\u62a4\u4e2a\u4eba\u6570\u636e\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li>\u5904\u7406\u5927\u6570\u636e\u7684\u6027\u80fd\u4f18\u5316<\/li>\n<\/ol>\n<p><p>\u91c7\u96c6\u548c\u5904\u7406\u5927\u6570\u636e\u9700\u8981\u8003\u8651\u6027\u80fd\u4f18\u5316\u3002\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5b58\u50a8\u548c\u8ba1\u7b97\u6846\u67b6\uff0c\u4f7f\u7528\u9ad8\u6548\u7684\u7b97\u6cd5\u548c\u6570\u636e\u7ed3\u6784\u3002\u5bf9\u4e8eWeb Scraping\uff0c\u4f7f\u7528\u5f02\u6b65\u8bf7\u6c42\u548c\u5206\u5e03\u5f0f\u722c\u866b\u53ef\u4ee5\u63d0\u9ad8\u91c7\u96c6\u6548\u7387\u3002\u5bf9\u4e8e\u6570\u636e\u5b58\u50a8\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u5982NoSQL\u6570\u636e\u5e93\uff0c\u4ee5\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u8fdb\u884c\u5927\u6570\u636e\u91c7\u96c6\uff1f<\/strong><br \/>Python\u4f5c\u4e3a\u4e00\u79cd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u62e5\u6709\u4f17\u591a\u5e93\u548c\u6846\u67b6\uff0c\u9002\u5408\u8fdb\u884c\u5927\u6570\u636e\u91c7\u96c6\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528<code>requests<\/code>\u5e93\u8fdb\u884c\u7f51\u9875\u6293\u53d6\u3001\u5229\u7528<code>Scrapy<\/code>\u6846\u67b6\u8fdb\u884c\u6570\u636e\u722c\u53d6\uff0c\u4ee5\u53ca\u901a\u8fc7<code>pandas<\/code>\u548c<code>NumPy<\/code>\u7b49\u5e93\u5904\u7406\u6570\u636e\u3002\u901a\u8fc7\u7ed3\u5408API\u8c03\u7528\u548c\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u91c7\u96c6\u548c\u5b58\u50a8\u5927\u89c4\u6a21\u6570\u636e\u3002<\/p>\n<p><strong>Python\u6709\u54ea\u4e9b\u5e93\u53ef\u4ee5\u5e2e\u52a9\u6211\u8fdb\u884c\u6570\u636e\u91c7\u96c6\uff1f<\/strong><br \/>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5e93\u6765\u652f\u6301\u6570\u636e\u91c7\u96c6\u5de5\u4f5c\u3002<code>BeautifulSoup<\/code>\u548c<code>lxml<\/code>\u662f\u5904\u7406HTML\u548cXML\u6570\u636e\u7684\u5f3a\u5927\u5de5\u5177\uff0c<code>Scrapy<\/code>\u662f\u4e00\u4e2a\u5168\u9762\u7684\u722c\u866b\u6846\u67b6\uff0c\u9002\u5408\u590d\u6742\u7684\u7f51\u7ad9\u6293\u53d6\u4efb\u52a1\u3002\u6b64\u5916\uff0c<code>Selenium<\/code>\u53ef\u4ee5\u6a21\u62df\u7528\u6237\u64cd\u4f5c\uff0c\u6293\u53d6\u52a8\u6001\u5185\u5bb9\uff0c\u800c<code>pandas<\/code>\u5219\u65b9\u4fbf\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u6790\u548c\u6e05\u6d17\u3002<\/p>\n<p><strong>\u5728\u91c7\u96c6\u5927\u6570\u636e\u65f6\uff0c\u5982\u4f55\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\uff1f<\/strong><br \/>\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b9e\u73b0\u3002\u9996\u5148\uff0c\u5b9a\u671f\u9a8c\u8bc1\u6293\u53d6\u7684\u6570\u636e\u4e0e\u539f\u59cb\u6570\u636e\u6e90\u7684\u4e00\u81f4\u6027\uff0c\u4f7f\u7528\u6570\u636e\u6821\u9a8c\u7b97\u6cd5\u68c0\u67e5\u6570\u636e\u8d28\u91cf\u3002\u6b64\u5916\uff0c\u5b9e\u65bd\u9519\u8bef\u5904\u7406\u673a\u5236\uff0c\u8bb0\u5f55\u5f02\u5e38\u548c\u5931\u8d25\u7684\u8bf7\u6c42\uff0c\u4ee5\u4fbf\u540e\u7eed\u7684\u8c03\u8bd5\u4e0e\u4fee\u590d\u3002\u91c7\u7528\u6570\u636e\u53bb\u91cd\u7b56\u7565\uff0c\u907f\u514d\u91cd\u590d\u6570\u636e\u7684\u51fa\u73b0\uff0c\u4e5f\u80fd\u663e\u8457\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u4fe1\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u4f7f\u7528Python\u91c7\u96c6\u5927\u6570\u636e\u7684\u6838\u5fc3\u65b9\u6cd5 Python\u91c7\u96c6\u5927\u6570\u636e\u7684\u6838\u5fc3\u65b9\u6cd5\u5305\u62ec\uff1aWeb Scraping\u3001AP [&hellip;]","protected":false},"author":3,"featured_media":958271,"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\/958268"}],"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=958268"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/958268\/revisions"}],"predecessor-version":[{"id":958276,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/958268\/revisions\/958276"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/958271"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=958268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=958268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=958268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}