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garvey说:
请利用python 爬取豆瓣网top250的电影信息，并给出完整的源代码
#coding=utf-8 import requests import re import json import time # 豆瓣top250首页 url = 'https://movie.douban.com/top250' # 用于存储爬取信息 info_list = [] # 请求头，伪装浏览器 headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36' } for x in range(10): link = url + '/?start=' + str(x*25) # 发送请求 response = requests.get(link, headers=headers) # 获取源码 html = response.text # 正则表达式解析电影信息 pattern = re.compile('.*?(.*?).*?' # 电影排名 + '.*?.*?' # 电影链接、电影名 + '.*?(.*?).*?' # 电影简介 + '.*?(.*?) (.*?)/.*?.*?', re.S) # 上映时间、电影评分 result = re.findall(pattern, html) # 存储爬取的数据 for item in result: info_list.append({ '排名': item[0], '链接': item[1], '电影名': item[2], '简介': item[3].strip(), '上映时间': item[4].strip(), '评分': item[5].strip() }) # 控制爬取频率 time.sleep(1) # 将爬取的电影信息存储为JSON格式 with open('豆瓣top250.json', 'w', encoding='utf-8') as fp: json.dump(info_list, fp, ensure_ascii=False) print('爬取完成！') -
garvey说:
为vscode 生成latex可用的所有snippets
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690779301gagacui说:
生物质是什么，与电池有什么产业交汇？济南圣泉集团股份有限公司旗下生物质项目主要有哪些产业？
生物质是植物、动物或其他微生物的组织结构或代谢产物，在生物领域有着广泛的应用。与电池产业有关的主要是可再生能源领域，利用生物质可以制备可再生能源，可以替代传统的石油、煤炭等化石能源，从而有效地减少污染。
济南圣泉集团股份有限公司旗下生物质项目主要有：生物质发电、生物质燃料、生物质气化，以及生物质化学品等产业。
