A A - Water~melon Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 4A Description One hot summer day Pete and his friend Billy decided to buy a watermelon. They chose the biggest and the ripest on
环境:python3 pycharm 模块:requests bs4 urlretrieve os time 第一步:获取网页源代码 import requests from bs4 import BeautifulSoup from urllib.request import urlretrieve import os import time def get_html(url): try: response = requests.get(url) response.encoding
纪念我们闹过的矛盾,只想平淡如水 import requestsimport reurl = 'http://www.xiaohuar.com/list-1-%s.html'for i in range(4): temp = url % i response =requests.get(temp) html = response.text #img_urls=re.findall(r"/d/file/\d+/\w+\.jpg",html)#取出图片URL #img_urls1 = re
1.创建scrapy项目 dos窗口输入: scrapy startproject xiaohuar cd xiaohuar 2.编写item.py文件(相当于编写模板,需要爬取的数据在这里定义) # -*- coding: utf-8 -*- # Define here the models for your scraped items # # See documentation in: # https://doc.scrapy.org/en/latest/topics/items.html