Q1231234123的博客

class MongoCache(object): """ 数据库缓存 """ def __init__(self,client=None,expires=timedelta(days=30)): self.client = MongoClient("localhost",27017) self.db = self.client.ca...

爬虫步骤： 1. 导入requests import requests 2. url和请求头 url = 'http://example.webscraping.com/places/default/user/login' #要请求的页面地址 headers = {'User-Agent':'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:63.0) Geck...