python爬虫练习1

目录索引：

python爬虫练习6：今日头条搜索图集 python爬虫练习5：博客阅读量助手 python爬虫练习4：刷浏览量 python爬虫练习3：豆瓣电影推荐页电影详情 python爬虫练习2：名言作者 python爬虫练习1：颜色颜色值

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难度★目标网站http://html-color-codes.info/color-names/用到库requests,beautifulsoup4,lxml系统说明python3.6.1 64位目标获取颜色与颜色值等 import requests from bs4 import BeautifulSoup hdrs={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36'} url="http://html-color-codes.info/color-names/" r=requests.get(url=url,headers=hdrs) soup=BeautifulSoup(r.content, "lxml") #print(soup.prettify()) print(soup.title.string) trs=soup.find_all('tr') for tr in trs: style=tr.get('style') tds=tr.find_all('td') td=[x for x in tds] name=td[1].text hex=td[2].text print('颜色：%-20s值：%-20s样式：%-20s'%(name,hex,style))

结果：

D:\softInstall\Python36\python.exe E:/SourceCode/PythonWP/pachong/index.py Color Names 颜色：IndianRed 值：CD5C5C 样式：background-color:indianred; 颜色：LightCoral 值：F08080 样式：background-color:lightcoral; 颜色：Salmon 值：FA8072 样式：background-color:salmon; 颜色：DarkSalmon 值：E9967A 样式：background-color:darksalmon; 颜色：LightSalmon 值：FFA07A 样式：background-color:lightsalmon; 颜色：Crimson 值：DC143C 样式：background-color:crimson; 颜色：Red 值：FF0000 样式：background-color:red; 颜色：FireBrick 值：B22222 样式：background-color:fireBrick; 颜色：DarkRed 值：8B0000 样式：background-color:darkred;