摘要： from bs4 import BeautifulSoupimport requestsurl = 'https://beijing.douban.com/events/week-party'response = requests.get(url)# with open('douban_party. 阅读全文

摘要： from bs4 import BeautifulSoupimport requestsheaders = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chro 阅读全文

摘要： from bs4 import BeautifulSoupimport requestsurl = 'https://bj.lianjia.com/ershoufang/c1111027378138/?sug=%E6%B5%81%E6%98%9F%E8%8A%B1%E5%9B%AD%E4%B8%89 阅读全文

摘要： from selenium import webdriverimport timeimport requestsfrom lxml import etreeimport base64# https://market.aliyun.com/products/57124001/cmapi028447.h 阅读全文

摘要： import requestsfrom lxml import etreeimport timeimport multiprocessing# 耗时 84.26855897903442 5# 耗时 44.181687355041504 10# 耗时 29.013262033462524 20# 耗时 阅读全文

摘要： import requestsfrom lxml import etreeimport pymysqlclass MysqlHelper(object): def __init__(self): self.db = pymysql.connect(host='127.0.0.1', port=330 阅读全文

摘要： import requestsfrom lxml import etreeimport pymysqlfrom urllib import parseclass MysqlHelper(object): def __init__(self): self.db = pymysql.connect(ho 阅读全文

摘要： import requestsfrom bs4 import BeautifulSoupimport datetimeimport reimport pymysqlimport datetime#数据库封装class Mydb(): def __init__(self): try: self.con 阅读全文

摘要： import requestsimport pymysqlfrom lxml import etree#数据库封装class MysqlHelper(object): def __init__(self): self.db = pymysql.connect(host='127.0.0.1', po 阅读全文

摘要： 一、数据库封装 import pymysqlclass MysqlHelper(object): def __init__(self): self.db = pymysql.connect(host='127.0.0.1', port=3306, user='root', password='abc 阅读全文