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import re
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import requests
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# 1.进入江西现代职业技术学院官网“ http://www.jxxdxy.edu.cn/”, 点击首页中的“现代要闻”,页面中有“现代要闻”栏目。
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url_head = 'https://www.jxxdxy.edu.cn/news-list-xiaoyuanyaowen'
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url_tail = '.html'
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url_list = []
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url_list.append(url_head + url_tail)
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for i in range(2, 21):
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url_list.append(url_head + '-'+str(i) + url_tail)
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# 2.使用python列表及循环语句构造所有页的url列表(总共20页)。
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for url in url_list:
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print(url)
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headers = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
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"(KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0"}
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res = requests.get(url_list[0], headers=headers)
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res.encoding = "utf-8"
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# 3.循环使用requests库的get方法定制请求头获取“现代要闻”所有页的网页源代码,并打印响应对象编码、响应状态码和第1页的网页源代码
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print(res.text)
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for url in url_list:
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response = requests.get(url, headers=headers)
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print(response.status_code)
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print(response.encoding)
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texts = []
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for url in url_list:
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response = requests.get(url, headers=headers)
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texts.append(response.text)
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my_re = '<li><a href="(.*?)" title="(.*?)".*?fr timee">(.*?)</span>'
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# 4.使用正则表达式获取“现代要闻”该栏目下所有文章(共20页)的发布时间、标题及链接
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arr = []
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for text in texts:
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result = re.findall(my_re, text, re.S)
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arr.append(result)
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print(result)
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print(len(result))
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# 5.使用正则表达式获取标题内容包含“产教融合”的文章标题、发布时间及链接
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str = "产教融合"
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for text in arr:
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for i in text:
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if str in i[1]:
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print(i)
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# 6.使用正则表达式获取发布时间为2024年3月份的文章数量及所有文章标题
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month = "2024-03"
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for text in arr:
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for i in text:
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if month in i[2]:
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print(i)
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