61 lines
2.4 KiB
Python
61 lines
2.4 KiB
Python
"""
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This code is supported by the website: https://www.guanjihuan.com
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The newest version of this code is on the web page: https://www.guanjihuan.com/archives/17937
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"""
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from bs4 import BeautifulSoup
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from urllib.request import urlopen
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import re
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import datetime
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year = datetime.datetime.now().year
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month = datetime.datetime.now().month
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day = datetime.datetime.now().day
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# 获取链接
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match_href = []
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# 由于没有模拟登录知乎，因此只能爬取到最新的两篇文章
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authors = ["https://www.zhihu.com/people/guanjihuan/posts", # Guan
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]
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for i0 in range(len(authors)):
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start_link = authors[i0]
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html = urlopen(start_link).read().decode('utf-8') # 打开网页
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soup = BeautifulSoup(html, features='lxml') # 放入soup中
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all_a_tag = soup.find_all('a', href=True) # 获取超链接标签
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for a_tag in all_a_tag:
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href = a_tag['href'] # 超链接字符串
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if re.search('//zhuanlan.zhihu.com/p/', href) and not re.search('edit', href): # 文章的链接
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if re.search('https:', href)==None: # 如果链接不是完整的，那么补充完整
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href = 'https:'+ href
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if href not in match_href:
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match_href.append(href)
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# 对链接进行排序
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numbers = []
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match_href_new = []
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for href in match_href:
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numbers.append(int(href[29:]))
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numbers.sort(reverse = True)
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for n in numbers:
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match_href_new.append('https://zhuanlan.zhihu.com/p/'+str(n))
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# 获取内容并写入文件
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f = open('zhihu.html', 'w', encoding='UTF-8')
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f.write('<meta charset="utf-8"><style type="text/css">a{text-decoration: none;color: #0a5794;}a:hover {text-decoration: underline;color: red; }</style>')
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f.write('<p>'+str(year)+'.'+str(month).rjust(2,'0')+'.'+str(day).rjust(2,'0')+' 已更新</p>')
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for href in match_href_new:
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try:
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html = urlopen(href).read().decode('utf-8') # 打开文章链接
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soup = BeautifulSoup(html, features='lxml') # 放入soup中
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title = soup.title # 文章标题
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f.write('<li><a target=\"_blank\" href=\"')
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f.write(str(href)) # 文章链接
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f.write('\">')
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f.write(str(title.get_text()[:-5]))
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f.write('</a> ')
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author = soup.find("span", {"class": "UserLink AuthorInfo-name"})
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f.write(str(author.get_text()+' '))
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post_time = soup.find("div", {"class" : "ContentItem-time"})
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f.write(str(post_time.get_text()[4:-6])+'</li>')
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except:
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pass
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f.close() |