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随笔分类 -  03. 项目实战

爬取京东商品信息
摘要：import re,time,requests,bs4,csv from bs4 import BeautifulSoup from selenium import webdriver from selenium.webdriver.common.by import By from selenium 阅读全文

posted @ 2019-11-26 16:36 武韵 阅读(111) 评论(0) 推荐(0) 编辑

实例二：淘宝商品比价定向爬虫
摘要：import requestsimport redef getHTMLText(url): try: r = requests.get(url, timeout = 30) r.raise_for_status() r.encoding = r.apparent_encoding return r. 阅读全文

posted @ 2019-11-22 18:34 武韵 阅读(474) 评论(0) 推荐(0) 编辑

实例一：中国大学排名爬取
摘要：import requestsfrom bs4 import BeautifulSoupimport bs4def getHTMLText(url): try: r = requests.get(url, timeout = 30) r.raise_for_status() r.encoding = 阅读全文

posted @ 2019-11-22 12:50 武韵 阅读(229) 评论(0) 推荐(0) 编辑

Requests库练习
摘要：实例一：京东商品页面爬取import requestsurl = "http://item.jd.com/2967929.html"try: r = requests.get(url) r.raise_for_status() r.encoding = r.apparent_encoding pri 阅读全文

posted @ 2019-11-22 12:48 武韵 阅读(337) 评论(0) 推荐(0) 编辑

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