{"id":1025410,"date":"2024-12-31T10:33:57","date_gmt":"2024-12-31T02:33:57","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1025410.html"},"modified":"2024-12-31T10:34:00","modified_gmt":"2024-12-31T02:34:00","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8python%e8%84%9a%e6%9c%ac%e8%b6%85%e6%98%9f%e5%b0%94%e9%9b%85%e5%88%b7%e8%af%be","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1025410.html","title":{"rendered":"\u5982\u4f55\u4f7f\u7528python\u811a\u672c\u8d85\u661f\u5c14\u96c5\u5237\u8bfe"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528python\u811a\u672c\u8d85\u661f\u5c14\u96c5\u5237\u8bfe\"<\/p>\n

\u8981\u4f7f\u7528Python\u811a\u672c\u5728\u8d85\u661f\u5c14\u96c5\u5e73\u53f0\u4e0a\u5237\u8bfe\uff0c\u53ef\u4ee5\u501f\u52a9\u4e00\u4e9b\u81ea\u52a8\u5316\u5de5\u5177\u548c\u5e93\uff0c\u5982Selenium\u3001Requests\u7b49\u3002\u6838\u5fc3\u89c2\u70b9\u5305\u62ec\uff1a\u5229\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u3001\u5229\u7528Requests\u5e93\u53d1\u9001HTTP\u8bf7\u6c42\u3001\u81ea\u52a8\u5316\u811a\u672c\u767b\u5f55\u5e76\u83b7\u53d6\u8bfe\u7a0b\u94fe\u63a5\u3001\u5faa\u73af\u64ad\u653e\u8bfe\u7a0b\u89c6\u9891\u3002<\/strong> \u5728\u8fd9\u5176\u4e2d\uff0c\u5229\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u662f\u6700\u5e38\u7528\u4e14\u6709\u6548\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u80fd\u8f83\u597d\u5730\u5b9e\u73b0\u81ea\u52a8\u5316\u5237\u8bfe\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n

\u5229\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c<\/strong><\/p>\n<\/p>\n

Selenium\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u80fd\u591f\u901a\u8fc7Python\u811a\u672c\u63a7\u5236\u6d4f\u89c8\u5668\u5b9e\u73b0\u81ea\u52a8\u5316\u64cd\u4f5c\u3002\u5b83\u53ef\u4ee5\u6253\u5f00\u7f51\u9875\u3001\u70b9\u51fb\u6309\u94ae\u3001\u586b\u5199\u8868\u5355\u7b49\uff0c\u5e2e\u52a9\u6211\u4eec\u6a21\u62df\u4eba\u7c7b\u7528\u6237\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\u548c\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5\u548c\u914d\u7f6eSelenium<\/h3>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u6d4f\u89c8\u5668\u9a71\u52a8\u7a0b\u5e8f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Selenium\uff1a<\/p>\n<\/p>\n

pip install selenium<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\uff0c\u6839\u636e\u4f60\u4f7f\u7528\u7684\u6d4f\u89c8\u5668\u4e0b\u8f7d\u76f8\u5e94\u7684\u9a71\u52a8\u7a0b\u5e8f\uff0c\u6bd4\u5982Chrome\u6d4f\u89c8\u5668\u7684\u9a71\u52a8\u7a0b\u5e8fchromedriver\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u811a\u672c\u767b\u5f55\u8d85\u661f\u5c14\u96c5<\/h3>\n<\/p>\n
\u5728\u7f16\u5199\u811a\u672c\u65f6\uff0c\u9996\u5148\u8981\u5b9e\u73b0\u767b\u5f55\u529f\u80fd\uff0c\u8fd9\u6837\u624d\u80fd\u8fdb\u5165\u5230\u8bfe\u7a0b\u9875\u9762\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u767b\u5f55\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from selenium import webdriver<\/p>\n
from selenium.webdriver.common.by import By<\/p>\n
from selenium.webdriver.common.keys import Keys<\/p>\n
import time<\/p>\n
\u914d\u7f6ewebdriver\u8def\u5f84<\/strong><\/h2>\n
driver = webdriver.Chrome(executable_path='path\/to\/chromedriver')<\/p>\n
\u6253\u5f00\u8d85\u661f\u5c14\u96c5\u767b\u5f55\u9875\u9762<\/strong><\/h2>\n
driver.get('https:\/\/passport2.chaoxing.com\/login')<\/p>\n
\u8f93\u5165\u7528\u6237\u540d\u548c\u5bc6\u7801<\/strong><\/h2>\n
username = driver.find_element(By.ID, 'unameId')<\/p>\n
password = driver.find_element(By.ID, 'passwordId')<\/p>\n
username.send_keys('your_username')<\/p>\n
password.send_keys('your_password')<\/p>\n
\u70b9\u51fb\u767b\u5f55\u6309\u94ae<\/strong><\/h2>\n
login_button = driver.find_element(By.CLASS_NAME, 'zl_btn_right')<\/p>\n
login_button.click()<\/p>\n
\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u5b8c\u6210<\/strong><\/h2>\n
time.sleep(5)<\/p>\n
\u8fdb\u5165\u8bfe\u7a0b\u9875\u9762<\/strong><\/h2>\n
driver.get('https:\/\/mooc1-1.chaoxing.com\/mycourse\/studentcourse')<\/p>\n
\u7b49\u5f85\u9875\u9762\u52a0\u8f7d\u5b8c\u6210<\/strong><\/h2>\n
time.sleep(5)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u83b7\u53d6\u8bfe\u7a0b\u94fe\u63a5\u5e76\u64ad\u653e\u89c6\u9891<\/h3>\n<\/p>\n
\u767b\u5f55\u6210\u529f\u540e\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u5165\u5177\u4f53\u7684\u8bfe\u7a0b\u9875\u9762\u5e76\u5f00\u59cb\u81ea\u52a8\u64ad\u653e\u89c6\u9891\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
# \u83b7\u53d6\u6240\u6709\u8bfe\u7a0b\u94fe\u63a5<\/p>\n
courses = driver.find_elements(By.CSS_SELECTOR, '.courseDetAI<\/a>l')<\/p>\n
for course in courses:<\/p>\n
    course_link = course.get_attribute('href')<\/p>\n
    driver.get(course_link)<\/p>\n
    time.sleep(5)<\/p>\n
    # \u67e5\u627e\u5e76\u70b9\u51fb\u64ad\u653e\u6309\u94ae<\/p>\n
    play_button = driver.find_element(By.CLASS_NAME, 'vjs-play-control')<\/p>\n
    play_button.click()<\/p>\n
    # \u7b49\u5f85\u89c6\u9891\u64ad\u653e\u5b8c\u6210\uff08\u8fd9\u91cc\u5047\u8bbe\u6bcf\u4e2a\u89c6\u9891\u65f6\u957f\u4e3a30\u5206\u949f\uff09<\/p>\n
    time.sleep(1800)<\/p>\n
    # \u8fd4\u56de\u8bfe\u7a0b\u5217\u8868\u9875\u9762<\/p>\n
    driver.back()<\/p>\n
    time.sleep(5)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5904\u7406\u9a8c\u8bc1\u7801\u548c\u5176\u4ed6\u53cd\u81ea\u52a8\u5316\u63aa\u65bd<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u8d85\u661f\u5c14\u96c5\u53ef\u80fd\u4f1a\u6709\u9a8c\u8bc1\u7801\u6216\u5176\u4ed6\u53cd\u81ea\u52a8\u5316\u63aa\u65bd\u3002\u5bf9\u4e8e\u9a8c\u8bc1\u7801\uff0c\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u6253\u7801\u5e73\u53f0\uff08\u5982\u8d85\u7ea7\u9e70\uff09\u8fdb\u884c\u8bc6\u522b\uff0c\u6216\u8005\u624b\u52a8\u8f93\u5165\u9a8c\u8bc1\u7801\u3002\u4ee5\u4e0b\u662f\u5904\u7406\u9a8c\u8bc1\u7801\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from PIL import Image<\/p>\n
import pytesseract<\/p>\n
\u622a\u53d6\u9a8c\u8bc1\u7801\u56fe\u7247<\/strong><\/h2>\n
captcha = driver.find_element(By.ID, 'captchaImg')<\/p>\n
location = captcha.location<\/p>\n
size = captcha.size<\/p>\n
driver.save_screenshot('screenshot.png')<\/p>\n
image = Image.open('screenshot.png')<\/p>\n
captcha_image = image.crop((location['x'], location['y'], location['x'] + size['width'], location['y'] + size['height']))<\/p>\n
captcha_image.save('captcha.png')<\/p>\n
\u4f7f\u7528pytesseract\u8bc6\u522b\u9a8c\u8bc1\u7801<\/strong><\/h2>\n
captcha_text = pytesseract.image_to_string(captcha_image)<\/p>\n
\u8f93\u5165\u9a8c\u8bc1\u7801<\/strong><\/h2>\n
captcha_input = driver.find_element(By.ID, 'captcha')<\/p>\n
captcha_input.send_keys(captcha_text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u5f39\u7a97\u548c\u5176\u4ed6\u5e72\u6270<\/h3>\n<\/p>\n
\u5728\u5237\u8bfe\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5f39\u7a97\u6216\u5176\u4ed6\u5e72\u6270\uff0c\u9700\u8981\u989d\u5916\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u5904\u7406\u5f39\u7a97\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u5173\u95ed\u5f39\u7a97<\/p>\n
try:<\/p>\n
    close_button = driver.find_element(By.CLASS_NAME, 'close')<\/p>\n
    close_button.click()<\/p>\n
except:<\/p>\n
    pass<\/p>\n
\u7ee7\u7eed\u64ad\u653e\u89c6\u9891<\/strong><\/h2>\n
play_button = driver.find_element(By.CLASS_NAME, 'vjs-play-control')<\/p>\n
play_button.click()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u811a\u672c\u548cSelenium\u5e93\u5b9e\u73b0\u8d85\u661f\u5c14\u96c5\u7684\u81ea\u52a8\u5316\u5237\u8bfe\u529f\u80fd\u3002\u5177\u4f53\u64cd\u4f5c\u5305\u62ec\u5b89\u88c5\u548c\u914d\u7f6eSelenium\u3001\u811a\u672c\u767b\u5f55\u8d85\u661f\u5c14\u96c5\u3001\u83b7\u53d6\u8bfe\u7a0b\u94fe\u63a5\u5e76\u64ad\u653e\u89c6\u9891\u3001\u5904\u7406\u9a8c\u8bc1\u7801\u548c\u5176\u4ed6\u53cd\u81ea\u52a8\u5316\u63aa\u65bd\u3001\u5904\u7406\u5f39\u7a97\u548c\u5176\u4ed6\u5e72\u6270\u7b49\u3002\u5229\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u662f\u5b9e\u73b0\u81ea\u52a8\u5316\u5237\u8bfe\u7684\u6838\u5fc3\u65b9\u6cd5<\/strong>\uff0c\u53ef\u4ee5\u8f83\u597d\u5730\u5b8c\u6210\u5237\u8bfe\u4efb\u52a1\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\u5237\u8bfe\u53ef\u80fd\u8fdd\u53cd\u5e73\u53f0\u7684\u4f7f\u7528\u6761\u6b3e\uff0c\u8bf7\u8c28\u614e\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u4f7f\u7528Python\u811a\u672c\u5237\u8bfe\u9700\u8981\u4e86\u89e3\u54ea\u4e9b\u57fa\u672c\u77e5\u8bc6\uff1f<\/strong>
\u5728\u4f7f\u7528Python\u811a\u672c\u8fdb\u884c\u8d85\u661f\u5c14\u96c5\u5237\u8bfe\u4e4b\u524d\uff0c\u7528\u6237\u5e94\u8be5\u638c\u63e1\u57fa\u672c\u7684Python\u7f16\u7a0b\u77e5\u8bc6\uff0c\u5305\u62ec\u5982\u4f55\u7f16\u5199\u3001\u8fd0\u884c\u811a\u672c\u4ee5\u53ca\u4f7f\u7528\u5e38\u7528\u7684\u5e93\uff0c\u5982requests\u548cBeautifulSoup\u3002\u8fd9\u4e9b\u6280\u80fd\u5c06\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u811a\u672c\u7684\u8fd0\u884c\u673a\u5236\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u7f51\u9875\u6570\u636e\u7684\u6293\u53d6\u548c\u6a21\u62df\u64cd\u4f5c\u3002<\/p>\n
\u5728\u7f16\u5199\u5237\u8bfe\u811a\u672c\u65f6\uff0c\u5982\u4f55\u5904\u7406\u767b\u5f55\u548c\u9a8c\u8bc1\u95ee\u9898\uff1f<\/strong>
\u767b\u5f55\u548c\u9a8c\u8bc1\u901a\u5e38\u662f\u5237\u8bfe\u811a\u672c\u4e2d\u6700\u590d\u6742\u7684\u90e8\u5206\u3002\u7528\u6237\u9700\u8981\u5206\u6790\u8d85\u661f\u5c14\u96c5\u7684\u767b\u5f55\u6d41\u7a0b\uff0c\u901a\u5e38\u6d89\u53ca\u5230\u83b7\u53d6\u767b\u5f55\u6240\u9700\u7684cookie\u548ctoken\u4fe1\u606f\u3002\u4f7f\u7528Python\u7684requests\u5e93\uff0c\u53ef\u4ee5\u6a21\u62df\u7528\u6237\u767b\u5f55\uff0c\u5e76\u4fdd\u6301\u4f1a\u8bdd\uff0c\u4ee5\u4fbf\u540e\u7eed\u7684\u8bfe\u7a0b\u8bbf\u95ee\u548c\u5b66\u4e60\u8fdb\u5ea6\u66f4\u65b0\u3002<\/p>\n
\u5982\u4f55\u786e\u4fdd\u4f7f\u7528\u5237\u8bfe\u811a\u672c\u65f6\u4e0d\u8fdd\u53cd\u5e73\u53f0\u7684\u76f8\u5173\u89c4\u5b9a\uff1f<\/strong>
\u5728\u4f7f\u7528\u5237\u8bfe\u811a\u672c\u65f6\uff0c\u7528\u6237\u5e94\u5f53\u4ed4\u7ec6\u9605\u8bfb\u8d85\u661f\u5c14\u96c5\u7684\u4f7f\u7528\u6761\u6b3e\u548c\u89c4\u5b9a\u3002\u786e\u4fdd\u4f60\u7684\u64cd\u4f5c\u4e0d\u4f1a\u88ab\u8ba4\u5b9a\u4e3a\u8fdd\u89c4\u884c\u4e3a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8d26\u53f7\u88ab\u5c01\u7981\u6216\u5176\u4ed6\u540e\u679c\u3002\u5efa\u8bae\u5728\u4f7f\u7528\u811a\u672c\u65f6\u9002\u5ea6\u63a7\u5236\u5237\u8bfe\u7684\u9891\u7387\uff0c\u4fdd\u6301\u4e0e\u6b63\u5e38\u5b66\u4e60\u8fdb\u5ea6\u4e00\u81f4\uff0c\u4ee5\u964d\u4f4e\u88ab\u68c0\u6d4b\u7684\u98ce\u9669\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u4f7f\u7528Python\u811a\u672c\u5728\u8d85\u661f\u5c14\u96c5\u5e73\u53f0\u4e0a\u5237\u8bfe\uff0c\u53ef\u4ee5\u501f\u52a9\u4e00\u4e9b\u81ea\u52a8\u5316\u5de5\u5177\u548c\u5e93\uff0c\u5982Selenium\u3001Requests\u7b49 […]","protected":false},"author":3,"featured_media":1025416,"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\/1025410"}],"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=1025410"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025410\/revisions"}],"predecessor-version":[{"id":1025417,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1025410\/revisions\/1025417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1025416"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1025410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1025410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1025410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}