{"id":829,"date":"2025-01-11T10:45:39","date_gmt":"2025-01-11T02:45:39","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=829"},"modified":"2025-01-11T11:13:23","modified_gmt":"2025-01-11T03:13:23","slug":"%e8%a7%a3%e6%9e%90python-%e5%9c%a8%e8%87%aa%e5%8a%a8%e5%8c%96%e4%b8%8e%e8%84%9a%e6%9c%ac%e7%bc%96%e7%a8%8b%e6%96%b9%e5%90%91%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/01\/11\/%e8%a7%a3%e6%9e%90python-%e5%9c%a8%e8%87%aa%e5%8a%a8%e5%8c%96%e4%b8%8e%e8%84%9a%e6%9c%ac%e7%bc%96%e7%a8%8b%e6%96%b9%e5%90%91%e7%9a%84%e5%ba%94%e7%94%a8\/","title":{"rendered":"Python\u5728\u81ea\u52a8\u5316\u4e0e\u811a\u672c\u7f16\u7a0b\u4e2d\u7684\u5168\u9762\u5e94\u7528\uff1a\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u4e0e\u81ea\u52a8\u5316\u6d41\u7a0b"},"content":{"rendered":"\n
\n

Python \u4f5c\u4e3a\u4e00\u95e8\u9ad8\u6548\u3001\u6613\u5b66\u4e14\u529f\u80fd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5728 \u81ea\u52a8\u5316\u4e0e\u811a\u672c\u7f16\u7a0b<\/strong> \u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u5b83\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u8fd8\u80fd\u901a\u8fc7\u7f16\u5199\u811a\u672c\u81ea\u52a8\u5316\u5b8c\u6210\u5404\u79cd\u91cd\u590d\u6027\u7684\u4efb\u52a1\uff0c\u4ece\u800c\u8282\u7701\u5927\u91cf\u65f6\u95f4\u4e0e\u7cbe\u529b\u3002Python \u62e5\u6709\u4e30\u5bcc\u7684\u5e93\u548c\u5de5\u5177\uff0c\u80fd\u5904\u7406\u6587\u4ef6\u64cd\u4f5c\u3001\u6570\u636e\u722c\u53d6\u3001\u4efb\u52a1\u8c03\u5ea6\u3001\u7cfb\u7edf\u7ba1\u7406\u3001\u6d4b\u8bd5\u81ea\u52a8\u5316\u7b49\u5404\u7c7b\u81ea\u52a8\u5316\u4efb\u52a1\u3002<\/p>\n<\/blockquote>\n\n\n\n

\n\n\n\n

1. \u6587\u4ef6\u4e0e\u76ee\u5f55\u64cd\u4f5c<\/strong><\/h3>\n\n\n\n

Python \u7684\u6587\u4ef6\u5904\u7406\u80fd\u529b\u975e\u5e38\u5f3a\u5927\uff0c\u652f\u6301\u5bf9\u672c\u5730\u6587\u4ef6\u548c\u76ee\u5f55\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\uff0c\u5982\u521b\u5efa\u3001\u5220\u9664\u3001\u8bfb\u53d6\u3001\u4fee\u6539\u548c\u91cd\u547d\u540d\u7b49\u3002<\/p>\n\n\n\n

1.1 \u6587\u4ef6\u64cd\u4f5c<\/strong><\/h4>\n\n\n\n

Python \u5185\u7f6e\u7684 os<\/code>\u3001shutil<\/code> \u548c pathlib<\/code> \u5e93\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6587\u4ef6\u64cd\u4f5c\u529f\u80fd\u3002<\/p>\n\n\n\n

\u793a\u4f8b\uff1a\u6279\u91cf\u91cd\u547d\u540d\u6587\u4ef6<\/strong><\/p>\n\n\n\n

import os\n\n# \u6307\u5b9a\u76ee\u5f55\ndirectory = '\/path\/to\/files\/'\n\n# \u83b7\u53d6\u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\nfiles = os.listdir(directory)\n\n# \u6279\u91cf\u91cd\u547d\u540d\u6587\u4ef6\nfor i, filename in enumerate(files):\n    new_name = f'file_{i+1}.txt'\n    os.rename(os.path.join(directory, filename), os.path.join(directory, new_name))\n\nprint(\"Files have been renamed.\")<\/code><\/pre>\n\n\n\n
1.2 \u76ee\u5f55\u64cd\u4f5c<\/strong><\/h4>\n\n\n\n
Python \u53ef\u4ee5\u8f7b\u677e\u5730\u8fdb\u884c\u76ee\u5f55\u521b\u5efa\u3001\u5220\u9664\u3001\u5217\u51fa\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u7b49\u64cd\u4f5c\u3002<\/p>\n\n\n\n
\u793a\u4f8b\uff1a\u521b\u5efa\u76ee\u5f55\u5e76\u79fb\u52a8\u6587\u4ef6<\/strong><\/p>\n\n\n\n
import os\nimport shutil\n\n# \u521b\u5efa\u65b0\u76ee\u5f55\nnew_dir = '\/path\/to\/new_directory'\nif not os.path.exists(new_dir):\n    os.makedirs(new_dir)\n\n# \u79fb\u52a8\u6587\u4ef6\nshutil.move('\/path\/to\/file.txt', os.path.join(new_dir, 'file.txt'))\n\nprint(\"File has been moved.\")<\/code><\/pre>\n\n\n\n
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2. \u7f51\u7edc\u81ea\u52a8\u5316\u4e0e\u722c\u866b<\/strong><\/h3>\n\n\n\n
Python \u5728\u7f51\u7edc\u81ea\u52a8\u5316\u548c\u722c\u866b\u5f00\u53d1\u65b9\u9762\u975e\u5e38\u5f3a\u5927\uff0c\u5e38\u7528\u5e93\u5305\u62ec requests<\/code>\u3001BeautifulSoup<\/code>\u3001Selenium<\/code>\u3001Scrapy<\/code> \u7b49\u3002<\/p>\n\n\n\n
2.1 Web Scraping (\u7f51\u9875\u722c\u53d6)<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 requests<\/code> \u548c BeautifulSoup<\/code> \u722c\u53d6\u7f51\u9875\u5185\u5bb9<\/strong><\/p>\n\n\n\n
import requests\nfrom bs4 import BeautifulSoup\n\n# \u53d1\u9001 HTTP \u8bf7\u6c42\nurl = 'https:\/\/example.com'\nresponse = requests.get(url)\n\n# \u89e3\u6790 HTML \u5185\u5bb9\nsoup = BeautifulSoup(response.text, 'html.parser')\n\n# \u83b7\u53d6\u9875\u9762\u6807\u9898\ntitle = soup.title.string\nprint(f\"Page Title: {title}\")\n\n# \u83b7\u53d6\u6240\u6709\u94fe\u63a5\nlinks = soup.find_all('a')\nfor link in links:\n    print(link.get('href'))<\/code><\/pre>\n\n\n\n
2.2 Web \u81ea\u52a8\u5316<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 Selenium<\/code> \u63a7\u5236\u6d4f\u89c8\u5668\u81ea\u52a8\u5316\u64cd\u4f5c<\/strong><\/p>\n\n\n\n
from selenium import webdriver\nfrom selenium.webdriver.common.keys import Keys\n\n# \u521d\u59cb\u5316 WebDriver\ndriver = webdriver.Chrome()\n\n# \u6253\u5f00\u7f51\u9875\ndriver.get('https:\/\/example.com')\n\n# \u627e\u5230\u8f93\u5165\u6846\u5e76\u8f93\u5165\u5185\u5bb9\nsearch_box = driver.find_element_by_name('q')\nsearch_box.send_keys('Python Automation' + Keys.RETURN)\n\n# \u83b7\u53d6\u9875\u9762\u6807\u9898\nprint(driver.title)\n\n# \u5173\u95ed\u6d4f\u89c8\u5668\ndriver.quit()<\/code><\/pre>\n\n\n\n
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3. \u4efb\u52a1\u8c03\u5ea6\u4e0e\u81ea\u52a8\u5316<\/strong><\/h3>\n\n\n\n
Python \u53ef\u4ee5\u901a\u8fc7\u4efb\u52a1\u8c03\u5ea6\u5e93\u6765\u81ea\u52a8\u5316\u5b9a\u671f\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5e38\u89c1\u7684\u8c03\u5ea6\u5de5\u5177\u5305\u62ec schedule<\/code>\u3001APScheduler<\/code> \u548c cron<\/code>\uff08\u5728 Linux \u4e2d\uff09\u3002<\/p>\n\n\n\n
3.1 \u5b9a\u65f6\u4efb\u52a1\u81ea\u52a8\u5316<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 schedule<\/code> \u5e93\u81ea\u52a8\u6267\u884c\u4efb\u52a1<\/strong><\/p>\n\n\n\n
import schedule\nimport time\n\n# \u5b9a\u4e49\u4efb\u52a1\ndef job():\n    print(\"Task executed!\")\n\n# \u6bcf\u9694 10 \u79d2\u6267\u884c\u4e00\u6b21\u4efb\u52a1\nschedule.every(10).seconds.do(job)\n\n# \u8fd0\u884c\u4efb\u52a1\u8c03\u5ea6\u5668\nwhile True:\n    schedule.run_pending()\n    time.sleep(1)<\/code><\/pre>\n\n\n\n
3.2 \u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6\uff08Linux Cron\uff09<\/strong><\/h4>\n\n\n\n
Python \u811a\u672c\u4e5f\u53ef\u4ee5\u4e0e Linux \u7cfb\u7edf\u7684 Cron \u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6\u7ed3\u5408\u8d77\u6765\uff0c\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u5b9a\u65f6\u4efb\u52a1\u3002<\/p>\n\n\n\n
\u5728 Linux \u4e2d\u8bbe\u7f6e Cron \u4efb\u52a1\uff1a<\/strong><\/p>\n\n\n\n
crontab -e<\/code><\/pre>\n\n\n\n
\u7136\u540e\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1\uff0c\u4f8b\u5982\u6bcf\u5929\u51cc\u6668 2 \u70b9\u6267\u884c Python \u811a\u672c\uff1a<\/p>\n\n\n\n
0 2 * * * \/usr\/bin\/python3 \/path\/to\/script.py<\/code><\/pre>\n\n\n\n
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4. \u81ea\u52a8\u5316\u6d4b\u8bd5<\/strong><\/h3>\n\n\n\n
Python \u662f\u81ea\u52a8\u5316\u6d4b\u8bd5\u9886\u57df\u7684\u70ed\u95e8\u9009\u62e9\uff0c\u62e5\u6709\u4e30\u5bcc\u7684\u6d4b\u8bd5\u6846\u67b6\uff0c\u5982 unittest<\/code>\u3001pytest<\/code>\u3001nose<\/code>\u3001Selenium<\/code>\u3001Robot Framework<\/code> \u7b49\u3002<\/p>\n\n\n\n
4.1 \u5355\u5143\u6d4b\u8bd5<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 unittest<\/code> \u8fdb\u884c\u81ea\u52a8\u5316\u5355\u5143\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n
import unittest\n\n# \u88ab\u6d4b\u8bd5\u7684\u529f\u80fd\ndef add(a, b):\n    return a + b\n\n# \u5b9a\u4e49\u6d4b\u8bd5\u7c7b\nclass TestMathOperations(unittest.TestCase):\n    def test_add(self):\n        self.assertEqual(add(2, 3), 5)\n        self.assertEqual(add(-1, 1), 0)\n\n# \u8fd0\u884c\u6d4b\u8bd5\nif __name__ == '__main__':\n    unittest.main()<\/code><\/pre>\n\n\n\n
4.2 Web \u81ea\u52a8\u5316\u6d4b\u8bd5\uff08Selenium\uff09<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 Selenium<\/code> \u81ea\u52a8\u5316\u6d4b\u8bd5\u767b\u5f55\u9875\u9762<\/strong><\/p>\n\n\n\n
from selenium import webdriver\n\n# \u521d\u59cb\u5316 WebDriver\ndriver = webdriver.Chrome()\n\n# \u6253\u5f00\u767b\u5f55\u9875\u9762\ndriver.get('https:\/\/example.com\/login')\n\n# \u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801\ndriver.find_element_by_name('username').send_keys('testuser')\ndriver.find_element_by_name('password').send_keys('password123')\n\n# \u63d0\u4ea4\u8868\u5355\ndriver.find_element_by_name('login').click()\n\n# \u9a8c\u8bc1\u767b\u5f55\u662f\u5426\u6210\u529f\nassert \"Welcome\" in driver.page_source\n\n# \u5173\u95ed\u6d4f\u89c8\u5668\ndriver.quit()<\/code><\/pre>\n\n\n\n
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5. \u7cfb\u7edf\u7ba1\u7406\u4e0e\u81ea\u52a8\u5316\u811a\u672c<\/strong><\/h3>\n\n\n\n
Python \u53ef\u4ee5\u7528\u6765\u7f16\u5199\u81ea\u52a8\u5316\u811a\u672c\uff0c\u6267\u884c\u5404\u79cd\u7cfb\u7edf\u7ba1\u7406\u4efb\u52a1\uff0c\u5982\u76d1\u63a7\u7cfb\u7edf\u72b6\u6001\u3001\u6267\u884c\u5907\u4efd\u3001\u81ea\u52a8\u5316\u90e8\u7f72\u7b49\u3002<\/p>\n\n\n\n
5.1 \u81ea\u52a8\u5316\u7cfb\u7edf\u4efb\u52a1<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 Python \u81ea\u52a8\u5316\u5907\u4efd\u6587\u4ef6<\/strong><\/p>\n\n\n\n
import shutil\nimport os\nfrom datetime import datetime\n\n# \u5b9a\u4e49\u6e90\u76ee\u5f55\u548c\u76ee\u6807\u76ee\u5f55\nsource_dir = '\/path\/to\/source'\nbackup_dir = f'\/path\/to\/backup\/{datetime.now().strftime(\"%Y-%m-%d_%H-%M-%S\")}'\n\n# \u521b\u5efa\u5907\u4efd\u76ee\u5f55\nos.makedirs(backup_dir)\n\n# \u590d\u5236\u6587\u4ef6\u5230\u5907\u4efd\u76ee\u5f55\nshutil.copytree(source_dir, backup_dir)\n\nprint(f\"Backup completed: {backup_dir}\")<\/code><\/pre>\n\n\n\n
5.2 \u7cfb\u7edf\u76d1\u63a7\u4e0e\u62a5\u544a<\/strong><\/h4>\n\n\n\n
\u793a\u4f8b\uff1a\u4f7f\u7528 psutil<\/code> \u83b7\u53d6\u7cfb\u7edf CPU \u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/strong><\/p>\n\n\n\n
import psutil\n\n# \u83b7\u53d6 CPU \u4f7f\u7528\u7387\ncpu_usage = psutil.cpu_percent(interval=1)\n\n# \u83b7\u53d6\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\nmemory = psutil.virtual_memory()\n\n# \u6253\u5370\u7cfb\u7edf\u4fe1\u606f\nprint(f\"CPU Usage: {cpu_usage}%\")\nprint(f\"Memory Usage: {memory.percent}%\")<\/code><\/pre>\n\n\n\n
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6. \u81ea\u52a8\u5316\u4efb\u52a1\u4e2d\u7684\u5e38\u89c1\u5de5\u5177\u4e0e\u5e93<\/strong><\/h3>\n\n\n\n
    \n
  • os<\/code><\/strong>\uff1a\u63d0\u4f9b\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4ea4\u4e92\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u6587\u4ef6\u548c\u76ee\u5f55\u64cd\u4f5c\u3001\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u7b49\u3002<\/li>\n\n\n\n
  • shutil<\/code><\/strong>\uff1a\u63d0\u4f9b\u6587\u4ef6\u548c\u6587\u4ef6\u96c6\u5408\u64cd\u4f5c\uff0c\u5982\u590d\u5236\u3001\u79fb\u52a8\u3001\u5220\u9664\u7b49\u3002<\/li>\n\n\n\n
  • subprocess<\/code><\/strong>\uff1a\u8fd0\u884c\u5916\u90e8\u547d\u4ee4\uff0c\u9002\u7528\u4e8e\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u3001\u811a\u672c\u7b49\u3002<\/li>\n\n\n\n
  • requests<\/code><\/strong>\uff1a\u7528\u4e8e\u53d1\u9001 HTTP \u8bf7\u6c42\uff0c\u9002\u7528\u4e8e\u7f51\u7edc\u722c\u866b\u3001API \u8c03\u7528\u7b49\u4efb\u52a1\u3002<\/li>\n\n\n\n
  • schedule<\/code><\/strong>\uff1a\u7528\u4e8e\u5b9a\u65f6\u4efb\u52a1\u8c03\u5ea6\uff0c\u5b9a\u65f6\u6267\u884c\u51fd\u6570\u3002<\/li>\n\n\n\n
  • Selenium<\/code><\/strong>\uff1a\u81ea\u52a8\u5316\u6d4f\u89c8\u5668\u64cd\u4f5c\uff0c\u5e7f\u6cdb\u7528\u4e8e Web \u81ea\u52a8\u5316\u6d4b\u8bd5\u548c\u722c\u866b\u3002<\/li>\n\n\n\n
  • psutil<\/code><\/strong>\uff1a\u7528\u4e8e\u83b7\u53d6\u7cfb\u7edf\u7684\u786c\u4ef6\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u5982 CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u7b49\u3002<\/li>\n\n\n\n
  • pyautogui<\/code><\/strong>\uff1a\u81ea\u52a8\u5316\u9f20\u6807\u3001\u952e\u76d8\u64cd\u4f5c\uff0c\u5e38\u7528\u4e8e GUI \u81ea\u52a8\u5316\u4efb\u52a1\u3002<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    \u603b\u7ed3<\/h3>\n\n\n\n
    Python \u5728\u81ea\u52a8\u5316\u548c\u811a\u672c\u7f16\u7a0b\u4e2d\u5177\u6709\u65e0\u53ef\u6bd4\u62df\u7684\u4f18\u52bf\uff0c\u5176\u7b80\u5355\u7684\u8bed\u6cd5\u548c\u4e30\u5bcc\u7684\u5e93\u4f7f\u5f97\u5b83\u5728\u5904\u7406\u6587\u4ef6\u64cd\u4f5c\u3001\u7f51\u9875\u722c\u53d6\u3001\u7cfb\u7edf\u7ba1\u7406\u3001\u4efb\u52a1\u8c03\u5ea6\u548c\u81ea\u52a8\u5316\u6d4b\u8bd5\u7b49\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u65e0\u8bba\u662f\u7528\u4e8e\u81ea\u52a8\u5316\u91cd\u590d\u4efb\u52a1\uff0c\u8fd8\u662f\u8fdb\u884c\u66f4\u4e3a\u590d\u6742\u7684\u7cfb\u7edf\u7ba1\u7406\uff0cPython \u90fd\u80fd\u63d0\u4f9b\u5f3a\u5927\u7684\u652f\u6301\u3002\u56e0\u6b64\uff0c\u5b83\u6210\u4e3a\u4e86 IT \u4e13\u4e1a\u4eba\u5458\u548c\u5f00\u53d1\u8005\u8fdb\u884c\u81ea\u52a8\u5316\u811a\u672c\u7f16\u5199\u7684\u9996\u9009\u8bed\u8a00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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