{"id":1169347,"date":"2025-01-15T16:09:27","date_gmt":"2025-01-15T08:09:27","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1169347.html"},"modified":"2025-01-15T16:09:30","modified_gmt":"2025-01-15T08:09:30","slug":"python%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%9b%be%e7%89%87%e7%bd%91%e5%9d%80","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1169347.html","title":{"rendered":"python\u5982\u4f55\u83b7\u53d6\u56fe\u7247\u7f51\u5740"},"content":{"rendered":"

\"python\u5982\u4f55\u83b7\u53d6\u56fe\u7247\u7f51\u5740\"<\/p>\n

Python\u83b7\u53d6\u56fe\u7247\u7f51\u5740\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u6709\u4f7f\u7528\u7f51\u7edc\u722c\u866b\u3001\u4f7f\u7528API\u3001\u6216\u901a\u8fc7\u89e3\u6790HTML\u7b49\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e09\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528requests\u5e93\u548cBeautifulSoup\u5e93\u8fdb\u884c\u7f51\u9875\u722c\u53d6\u3001\u901a\u8fc7API\u63a5\u53e3\u83b7\u53d6\u56fe\u7247\u7f51\u5740\u3001\u4f7f\u7528Selenium\u5e93\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528requests\u5e93\u548cBeautifulSoup\u5e93\u8fdb\u884c\u7f51\u9875\u722c\u53d6<\/h3>\n<\/p>\n

1\u3001\u5b89\u88c5\u4f9d\u8d56\u5e93<\/h4>\n<\/p>\n

\u9996\u5148\uff0c\u4f60\u9700\u8981\u5b89\u88c5requests\u548cBeautifulSoup\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install requests<\/p>\n
pip install beautifulsoup4<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u7f16\u5199\u722c\u866b\u4ee3\u7801<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u4e8e\u4ece\u4e00\u4e2a\u7f51\u9875\u4e2d\u83b7\u53d6\u56fe\u7247\u7684URL\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
from bs4 import BeautifulSoup<\/p>\n
\u76ee\u6807\u7f51\u9875URL<\/strong><\/h2>\n
url = 'http:\/\/example.com'<\/p>\n
\u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/strong><\/h2>\n
response = requests.get(url)<\/p>\n
if response.status_code == 200:<\/p>\n
    # \u89e3\u6790\u7f51\u9875\u5185\u5bb9<\/p>\n
    soup = BeautifulSoup(response.text, 'html.parser')<\/p>\n
    # \u67e5\u627e\u6240\u6709\u56fe\u7247\u6807\u7b7e<\/p>\n
    img_tags = soup.find_all('img')<\/p>\n
    # \u63d0\u53d6\u56fe\u7247URL<\/p>\n
    img_urls = [img['src'] for img in img_tags]<\/p>\n
    for img_url in img_urls:<\/p>\n
        print(img_url)<\/p>\n
else:<\/p>\n
    print(f"FAI<\/a>led to retrieve webpage. Status code: {response.status_code}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u901a\u8fc7API\u63a5\u53e3\u83b7\u53d6\u56fe\u7247\u7f51\u5740<\/h3>\n<\/p>\n
1\u3001\u4f7f\u7528Pexels API\u83b7\u53d6\u56fe\u7247URL<\/h4>\n<\/p>\n
Pexels\u662f\u4e00\u4e2a\u63d0\u4f9b\u9ad8\u8d28\u91cf\u514d\u8d39\u7167\u7247\u548c\u89c6\u9891\u7684\u5e73\u53f0\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7Pexels API\u83b7\u53d6\u56fe\u7247\u7684URL\u3002\u9996\u5148\uff0c\u4f60\u9700\u8981\u6ce8\u518c\u4e00\u4e2aPexels\u8d26\u53f7\u5e76\u83b7\u53d6API\u5bc6\u94a5\u3002<\/p>\n<\/p>\n
2\u3001\u7f16\u5199\u4ee3\u7801<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Pexels API\u83b7\u53d6\u56fe\u7247URL\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
Pexels API\u5bc6\u94a5<\/strong><\/h2>\n
api_key = 'YOUR_API_KEY'<\/p>\n
\u76ee\u6807URL<\/strong><\/h2>\n
url = 'https:\/\/api.pexels.com\/v1\/search'<\/p>\n
\u67e5\u8be2\u53c2\u6570<\/strong><\/h2>\n
params = {<\/p>\n
    'query': 'nature',<\/p>\n
    'per_page': 10,<\/p>\n
}<\/p>\n
\u8bf7\u6c42\u5934<\/strong><\/h2>\n
headers = {<\/p>\n
    'Authorization': api_key,<\/p>\n
}<\/p>\n
\u53d1\u9001\u8bf7\u6c42<\/strong><\/h2>\n
response = requests.get(url, headers=headers, params=params)<\/p>\n
if response.status_code == 200:<\/p>\n
    data = response.json()<\/p>\n
    for photo in data['photos']:<\/p>\n
        print(photo['src']['original'])<\/p>\n
else:<\/p>\n
    print(f"Failed to retrieve images. Status code: {response.status_code}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528Selenium\u5e93\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c<\/h3>\n<\/p>\n
1\u3001\u5b89\u88c5\u4f9d\u8d56\u5e93<\/h4>\n<\/p>\n
\u4f60\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u6d4f\u89c8\u5668\u9a71\u52a8\uff08\u4f8b\u5982ChromeDriver\uff09\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Selenium\u5e93\uff1a<\/p>\n<\/p>\n
pip install selenium<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u7f16\u5199\u4ee3\u7801<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Selenium\u83b7\u53d6\u56fe\u7247URL\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from selenium import webdriver<\/p>\n
from selenium.webdriver.common.by import By<\/p>\n
\u8bbe\u7f6e\u6d4f\u89c8\u5668\u9a71\u52a8\u8def\u5f84<\/strong><\/h2>\n
driver_path = '\/path\/to\/chromedriver'<\/p>\n
\u521b\u5efa\u6d4f\u89c8\u5668\u5bf9\u8c61<\/strong><\/h2>\n
driver = webdriver.Chrome(executable_path=driver_path)<\/p>\n
\u6253\u5f00\u76ee\u6807\u7f51\u9875<\/strong><\/h2>\n
driver.get('http:\/\/example.com')<\/p>\n
\u67e5\u627e\u6240\u6709\u56fe\u7247\u6807\u7b7e<\/strong><\/h2>\n
img_tags = driver.find_elements(By.TAG_NAME, 'img')<\/p>\n
\u63d0\u53d6\u56fe\u7247URL<\/strong><\/h2>\n
img_urls = [img.get_attribute('src') for img in img_tags]<\/p>\n
for img_url in img_urls:<\/p>\n
    print(img_url)<\/p>\n
\u5173\u95ed\u6d4f\u89c8\u5668<\/strong><\/h2>\n
driver.quit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u4e09\u79cd\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u8f7b\u677e\u5730\u5728Python\u4e2d\u83b7\u53d6\u56fe\u7247\u7684URL\u3002\u4f7f\u7528requests\u548cBeautifulSoup\u5e93\u8fdb\u884c\u7f51\u9875\u722c\u53d6\u7b80\u5355\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u9759\u6001\u7f51\u9875\uff1b\u901a\u8fc7API\u63a5\u53e3\u83b7\u53d6\u56fe\u7247URL\u53ef\u4ee5\u83b7\u5f97\u9ad8\u8d28\u91cf\u7684\u56fe\u7247\u8d44\u6e90\uff0c\u5982Pexels\u7b49\u5e73\u53f0\uff1b\u4f7f\u7528Selenium\u5e93\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u9002\u7528\u4e8e\u52a8\u6001\u52a0\u8f7d\u5185\u5bb9\u7684\u7f51\u9875<\/strong>\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u66f4\u52a0\u9ad8\u6548\u5730\u5b8c\u6210\u4efb\u52a1\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u4f7f\u7528Python\u4ece\u7f51\u9875\u4e2d\u63d0\u53d6\u56fe\u7247\u7f51\u5740\uff1f<\/strong>
\u8981\u4ece\u7f51\u9875\u4e2d\u63d0\u53d6\u56fe\u7247\u7f51\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u7f51\u7edc\u8bf7\u6c42\u5e93\uff08\u5982requests\uff09\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u5229\u7528BeautifulSoup\u5e93\u89e3\u6790HTML\u3002\u901a\u8fc7\u67e5\u627e\u6240\u6709\u7684\u6807\u7b7e\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u56fe\u7247\u7684src\u5c5e\u6027\uff0c\u4ece\u800c\u5f97\u5230\u56fe\u7247\u7f51\u5740\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
import requests\nfrom bs4 import BeautifulSoup\n\nurl = 'https:\/\/example.com'\nresponse = requests.get(url)\nsoup = BeautifulSoup(response.text, 'html.parser')\nimages = soup.find_all('img')\nimage_urls = [img['src'] for img in images if 'src' in img.attrs]\nprint(image_urls)\n<\/code><\/pre>\n
\u4f7f\u7528Python\u5982\u4f55\u4e0b\u8f7d\u7f51\u9875\u4e0a\u7684\u56fe\u7247\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528requests\u5e93\u4e0b\u8f7d\u7f51\u9875\u4e0a\u7684\u56fe\u7247\u3002\u83b7\u53d6\u56fe\u7247\u7f51\u5740\u540e\uff0c\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528requests\u5e93\u53d1\u9001GET\u8bf7\u6c42\u6765\u4e0b\u8f7d\u56fe\u7247\u3002\u901a\u8fc7\u8bbe\u7f6e\u9002\u5f53\u7684\u6587\u4ef6\u540d\u548c\u6587\u4ef6\u8def\u5f84\uff0c\u53ef\u4ee5\u4fdd\u5b58\u56fe\u7247\u5230\u672c\u5730\u3002\u4ee5\u4e0b\u662f\u4e0b\u8f7d\u56fe\u7247\u7684\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n
import requests\n\nimage_url = 'https:\/\/example.com\/image.jpg'\nresponse = requests.get(image_url)\nif response.status_code == 200:\n    with open('image.jpg', 'wb') as file:\n        file.write(response.content)\n<\/code><\/pre>\n
Python\u4e2d\u662f\u5426\u6709\u5e93\u53ef\u4ee5\u7b80\u5316\u56fe\u7247\u7f51\u5740\u7684\u63d0\u53d6\u8fc7\u7a0b\uff1f<\/strong>
\u662f\u7684\uff0c\u9664\u4e86requests\u548cBeautifulSoup\uff0cPython\u8fd8\u53ef\u4ee5\u4f7f\u7528Scrapy\u6846\u67b6\u6765\u7b80\u5316\u7f51\u7edc\u722c\u866b\u7684\u8fc7\u7a0b\u3002Scrapy\u53ef\u4ee5\u8f7b\u677e\u5730\u6293\u53d6\u7f51\u9875\u5185\u5bb9\u5e76\u63d0\u53d6\u6240\u9700\u7684\u56fe\u7247\u7f51\u5740\uff0c\u9002\u5408\u5904\u7406\u66f4\u590d\u6742\u7684\u7f51\u7ad9\u7ed3\u6784\u548c\u5927\u89c4\u6a21\u7684\u6570\u636e\u6293\u53d6\u3002Scrapy\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\u548c\u7075\u6d3b\u7684\u914d\u7f6e\u9009\u9879\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u6570\u636e\u6293\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u83b7\u53d6\u56fe\u7247\u7f51\u5740\u7684\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u6709\u4f7f\u7528\u7f51\u7edc\u722c\u866b\u3001\u4f7f\u7528API\u3001\u6216\u901a\u8fc7\u89e3\u6790HTML\u7b49\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd […]","protected":false},"author":3,"featured_media":1169354,"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\/1169347"}],"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=1169347"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169347\/revisions"}],"predecessor-version":[{"id":1169355,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169347\/revisions\/1169355"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1169354"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1169347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1169347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1169347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}