import requests<\/p>\nfrom bs4 import BeautifulSoup<\/p>\n
url = 'http:\/\/example.com'<\/p>\n
response = requests.get(url)<\/p>\n
soup = BeautifulSoup(response.content, 'html.parser')<\/p>\n
links = soup.find_all('a')<\/p>\n
with open('links.txt', 'w', encoding='utf-8') as file:<\/p>\n
for link in links:<\/p>\n
href = link.get('href')<\/p>\n
if href:<\/p>\n
file.write(href + '\\n')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528BeautifulSoup\u5e93\u63d0\u53d6\u7f51\u9875\u4e2d\u7684\u6240\u6709\u94fe\u63a5\uff0c\u5e76\u5c06\u5176\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
3. \u5904\u7406\u4e0d\u540c\u7f16\u7801<\/h3>\n<\/p>\n
\u4e0erequests\u5e93\u548curllib\u5e93\u7c7b\u4f3c\uff0c\u5728\u4f7f\u7528BeautifulSoup\u5e93\u65f6\u4e5f\u9700\u8981\u5904\u7406\u4e0d\u540c\u7684\u7f16\u7801\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u7f16\u7801\u95ee\u9898\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nfrom bs4 import BeautifulSoup<\/p>\n
url = 'http:\/\/example.com'<\/p>\n
response = requests.get(url)<\/p>\n
\u81ea\u52a8\u68c0\u6d4b\u7f16\u7801<\/strong><\/h2>\nresponse.encoding = response.apparent_encoding<\/p>\n
soup = BeautifulSoup(response.text, 'html.parser')<\/p>\n
with open('example.html', 'w', encoding='utf-8') as file:<\/p>\n
file.write(soup.prettify())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u7f51\u9875\u5185\u5bb9\u4ee5\u6b63\u786e\u7684\u7f16\u7801\u683c\u5f0f\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528selenium\u5e93<\/h2>\n<\/p>\n
1. \u5b89\u88c5\u4e0e\u57fa\u672c\u4f7f\u7528<\/h3>\n<\/p>\n
Selenium\u5e93\u662f\u4e00\u4e2a\u7528\u4e8e\u81ea\u52a8\u5316\u6d4b\u8bd5\u7684\u5de5\u5177\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u3002\u9996\u5148\u9700\u8981\u5b89\u88c5Selenium\u5e93\u548c\u6d4f\u89c8\u5668\u9a71\u52a8\uff0c\u4f8b\u5982ChromeDriver\u3002\u4ee5\u4e0b\u662f\u5b89\u88c5Selenium\u5e93\u7684\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
pip install selenium<\/p>\n<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
from selenium import webdriver<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
driver = webdriver.Chrome(executable_path='\/path\/to\/chromedriver')<\/p>\n
driver.get(url)<\/p>\n
with open('example.html', 'w', encoding='utf-8') as file:<\/p>\n
file.write(driver.page_source)<\/p>\n
driver.quit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Selenium\u5e93\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u5e76\u5c06\u5176\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
2. \u6a21\u62df\u7528\u6237\u64cd\u4f5c<\/h3>\n<\/p>\n
Selenium\u5e93\u7684\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u53ef\u4ee5\u6a21\u62df\u7528\u6237\u64cd\u4f5c\uff0c\u4f8b\u5982\u70b9\u51fb\u6309\u94ae\u3001\u586b\u5199\u8868\u5355\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u6a21\u62df\u7528\u6237\u70b9\u51fb\u6309\u94ae\u5e76\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
from selenium import webdriver<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
driver = webdriver.Chrome(executable_path='\/path\/to\/chromedriver')<\/p>\n
driver.get(url)<\/p>\n
\u6a21\u62df\u7528\u6237\u70b9\u51fb\u6309\u94ae<\/strong><\/h2>\nbutton = driver.find_element_by_id('button-id')<\/p>\n
button.click()<\/p>\n
with open('example.html', 'w', encoding='utf-8') as file:<\/p>\n
file.write(driver.page_source)<\/p>\n
driver.quit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Selenium\u5e93\u6a21\u62df\u7528\u6237\u70b9\u51fb\u6309\u94ae\u5e76\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<\/p>\n
3. \u5904\u7406\u4e0d\u540c\u7f16\u7801<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528Selenium\u5e93\u65f6\uff0c\u4e5f\u9700\u8981\u5904\u7406\u4e0d\u540c\u7684\u7f16\u7801\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5904\u7406\u7f16\u7801\u95ee\u9898\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from selenium import webdriver<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
driver = webdriver.Chrome(executable_path='\/path\/to\/chromedriver')<\/p>\n
driver.get(url)<\/p>\n
\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\u5e76\u81ea\u52a8\u68c0\u6d4b\u7f16\u7801<\/strong><\/h2>\npage_source = driver.page_source<\/p>\n
encoding = driver.execute_script("return document.characterSet;")<\/p>\n
with open('example.html', 'w', encoding=encoding) as file:<\/p>\n
file.write(page_source)<\/p>\n
driver.quit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u7f51\u9875\u5185\u5bb9\u4ee5\u6b63\u786e\u7684\u7f16\u7801\u683c\u5f0f\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5b9e\u8df5\u4e2d\u7684\u6280\u5de7\u548c\u6ce8\u610f\u4e8b\u9879<\/h2>\n<\/p>\n
1. \u5904\u7406\u91cd\u5b9a\u5411<\/h3>\n<\/p>\n
\u5728\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u91cd\u5b9a\u5411\u7684\u60c5\u51b5\u3002requests\u5e93\u548curllib\u5e93\u90fd\u53ef\u4ee5\u81ea\u52a8\u5904\u7406\u91cd\u5b9a\u5411\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
response = requests.get(url, allow_redirects=True)<\/p>\n
with open('example.html', 'wb') as file:<\/p>\n
file.write(response.content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u5728\u9047\u5230\u91cd\u5b9a\u5411\u65f6\u4ecd\u7136\u80fd\u591f\u6b63\u786e\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n<\/p>\n
2. \u8bbe\u7f6e\u8d85\u65f6<\/h3>\n<\/p>\n
\u4e3a\u4e86\u9632\u6b62\u8bf7\u6c42\u957f\u65f6\u95f4\u6302\u8d77\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u8bf7\u6c42\u7684\u8d85\u65f6\u65f6\u95f4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
response = requests.get(url, timeout=10)<\/p>\n
with open('example.html', 'wb') as file:<\/p>\n
file.write(response.content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u5728\u8bf7\u6c42\u8d85\u65f6\u65f6\u629b\u51fa\u5f02\u5e38\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u957f\u65f6\u95f4\u7b49\u5f85\u3002<\/p>\n<\/p>\n
3. \u5904\u7406\u5f02\u5e38<\/h3>\n<\/p>\n
\u5728\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u65f6\uff0c\u9700\u8981\u5904\u7406\u5404\u79cd\u53ef\u80fd\u7684\u5f02\u5e38\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u7f51\u7edc\u4e2d\u65ad\u3001\u670d\u52a1\u5668\u9519\u8bef\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528try-except\u5757\u6765\u6355\u83b7\u5e76\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
try:<\/p>\n
response = requests.get(url)<\/p>\n
response.raise_for_status()<\/p>\n
with open('example.html', 'wb') as file:<\/p>\n
file.write(response.content)<\/p>\n
except requests.exceptions.RequestException as e:<\/p>\n
print(f"Error: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u5728\u9047\u5230\u5f02\u5e38\u65f6\u7a0b\u5e8f\u4e0d\u4f1a\u5d29\u6e83\uff0c\u5e76\u53ef\u4ee5\u63d0\u4f9b\u6709\u7528\u7684\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n<\/p>\n
4. \u4f7f\u7528\u4ee3\u7406<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u4ee3\u7406\u6765\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u4ee3\u7406\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nurl = 'http:\/\/example.com'<\/p>\n
proxies = {<\/p>\n
'http': 'http:\/\/10.10.1.10:3128',<\/p>\n
'https': 'http:\/\/10.10.1.10:1080',<\/p>\n
}<\/p>\n
response = requests.get(url, proxies=proxies)<\/p>\n
with open('example.html', 'wb') as file:<\/p>\n
file.write(response.content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u901a\u8fc7\u4ee3\u7406\u670d\u52a1\u5668\u6765\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\uff0c\u4ece\u800c\u907f\u514dIP\u88ab\u5c01\u7981\u7b49\u95ee\u9898\u3002<\/p>\n<\/p>\n
5. \u5206\u5757\u4e0b\u8f7d<\/h3>\n<\/p>\n
\u5bf9\u4e8e\u5927\u6587\u4ef6\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5206\u5757\u4e0b\u8f7d\u6765\u8282\u7701\u5185\u5b58\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import requests<\/p>\nurl = 'http:\/\/example.com\/largefile'<\/p>\n
response = requests.get(url, stream=True)<\/p>\n
with open('largefile', 'wb') as file:<\/p>\n
for chunk in response.iter_content(chunk_size=1024):<\/p>\n
if chunk:<\/p>\n
file.write(chunk)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u5c06\u5927\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u4ece\u800c\u63d0\u9ad8\u4e0b\u8f7d\u6548\u7387\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u5404\u79cd\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u9ad8\u6548\u5730\u4e0b\u8f7d\u7f51\u9875\u6587\u4ef6\uff0c\u5e76\u5904\u7406\u5404\u79cd\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u95ee\u9898\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n \u5982\u4f55\u4f7f\u7528Python\u4e0b\u8f7d\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\uff0c\u6bd4\u5982PDF\u6216\u56fe\u7247\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528Python\u7684requests<\/code>\u5e93\u6765\u4e0b\u8f7d\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\u3002\u9996\u5148\uff0c\u786e\u4fdd\u5df2\u5b89\u88c5requests<\/code>\u5e93\u3002\u63a5\u7740\uff0c\u901a\u8fc7\u53d1\u9001HTTP\u8bf7\u6c42\u83b7\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u5199\u5165\u672c\u5730\u6587\u4ef6\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8ePDF\u6587\u4ef6\uff0c\u53ef\u4ee5\u5982\u4e0b\u64cd\u4f5c\uff1a<\/p>\nimport requests\n\nurl = 'https:\/\/example.com\/file.pdf'\nresponse = requests.get(url)\n\nwith open('file.pdf', 'wb') as f:\n f.write(response.content)\n<\/code><\/pre>\n\u786e\u4fdd\u66ff\u6362url<\/code>\u4e3a\u5b9e\u9645\u6587\u4ef6\u7684\u94fe\u63a5\uff0c\u8fd0\u884c\u6b64\u4ee3\u7801\u5373\u53ef\u4e0b\u8f7d\u6587\u4ef6\u3002<\/p>\n\u4e0b\u8f7d\u7f51\u9875\u5185\u5bb9\u65f6\u5982\u4f55\u5904\u7406\u91cd\u5b9a\u5411\u6216\u9519\u8bef\u72b6\u6001\u7801\uff1f<\/strong>
\u5728\u4e0b\u8f7d\u7f51\u9875\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u91cd\u5b9a\u5411\u6216\u9519\u8bef\u72b6\u6001\u7801\u3002\u4f7f\u7528requests<\/code>\u5e93\u7684allow_redirects<\/code>\u53c2\u6570\u53ef\u4ee5\u63a7\u5236\u662f\u5426\u8ddf\u968f\u91cd\u5b9a\u5411\u3002\u8fd8\u53ef\u4ee5\u68c0\u67e5\u54cd\u5e94\u7684\u72b6\u6001\u7801\uff0c\u786e\u4fdd\u6587\u4ef6\u4e0b\u8f7d\u6210\u529f\u3002\u4f8b\u5982\uff1a<\/p>\nresponse = requests.get(url, allow_redirects=True)\n\nif response.status_code == 200:\n with open('file.html', 'w', encoding='utf-8') as f:\n f.write(response.text)\nelse:\n print(f"\u4e0b\u8f7d\u5931\u8d25\uff0c\u72b6\u6001\u7801: {response.status_code}")\n<\/code><\/pre>\n\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u4e0d\u540c\u7684HTTP\u54cd\u5e94\u3002<\/p>\n
\u5982\u4f55\u4e0b\u8f7d\u6574\u4e2a\u7f51\u9875\uff0c\u5305\u62ec\u5176\u6240\u6709\u8d44\u6e90\uff08\u5982CSS\u3001JavaScript\u548c\u56fe\u7247\uff09\uff1f<\/strong>
\u82e5\u60f3\u4e0b\u8f7d\u6574\u4e2a\u7f51\u9875\u53ca\u5176\u8d44\u6e90\uff0c\u53ef\u4ee5\u4f7f\u7528beautifulsoup4<\/code>\u548crequests<\/code>\u5e93\u7684\u7ed3\u5408\u3002\u9996\u5148\u4e0b\u8f7d\u7f51\u9875HTML\uff0c\u7136\u540e\u89e3\u6790\u5176\u4e2d\u7684\u8d44\u6e90\u94fe\u63a5\uff0c\u5e76\u9010\u4e00\u4e0b\u8f7d\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\nimport requests\nfrom bs4 import BeautifulSoup\nimport os\n\nurl = 'https:\/\/example.com'\nresponse = requests.get(url)\n\nsoup = BeautifulSoup(response.text, 'html.parser')\n\n# \u521b\u5efa\u6587\u4ef6\u5939\u5b58\u50a8\u8d44\u6e90\nif not os.path.exists('resources'):\n os.makedirs('resources')\n\n# \u4e0b\u8f7d\u56fe\u7247\nfor img in soup.find_all('img'):\n img_url = img['src']\n img_response = requests.get(img_url)\n img_name = os.path.join('resources', img_url.split('\/')[-1])\n \n with open(img_name, 'wb') as f:\n f.write(img_response.content)\n<\/code><\/pre>\n\u6b64\u793a\u4f8b\u4ec5\u4e0b\u8f7d\u56fe\u7247\uff0c\u5176\u4ed6\u8d44\u6e90\uff08\u5982CSS\u548cJavaScript\uff09\u53ef\u7c7b\u4f3c\u5904\u7406\u3002\u901a\u8fc7\u8fd9\u6837\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6574\u4e2a\u7f51\u9875\u5185\u5bb9\u7684\u4e0b\u8f7d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e0b\u8f7d\u7f51\u9875\u6587\u4ef6\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528requests\u5e93\u3001\u4f7f\u7528urllib\u5e93\u3001\u4f7f\u7528BeautifulSoup\u5e93 […]","protected":false},"author":3,"featured_media":1179567,"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\/1179555"}],"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=1179555"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1179555\/revisions"}],"predecessor-version":[{"id":1179570,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1179555\/revisions\/1179570"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1179567"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1179555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1179555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1179555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"python\u5982\u4f55\u4e0b\u8f7d\u7f51\u9875\u6587\u4ef6\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25113929\/e96d0d45-7a34-4a07-a6a2-fb6d60cf3683.webp\")
<\/p>\n