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python 爬虫爬取 证券之星网站
周末无聊，找点乐子。。。
#coding:utf-8
import requests
from bs4 import BeautifulSoup
import random
import time
#抓取所需内容
user_agent = ["Mozilla/5.0 (Windows NT 10.0; WOW64)", ‘Mozilla/5.0 (Windows NT 6.3; WOW64)‘,
‘Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11‘,
‘Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko‘,
‘Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36‘,
‘Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; rv:11.0) like Gecko)‘,
‘Mozilla/5.0 (Windows; U; Windows NT 5.2) Gecko/2008070208 Firefox/3.0.1‘,
‘Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070309 Firefox/2.0.0.3‘,
‘Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070803 Firefox/1.5.0.12‘,
‘Opera/9.27 (Windows NT 5.2; U; zh-cn)‘,
‘Mozilla/5.0 (Macintosh; PPC Mac OS X; U; en) Opera 8.0‘,
‘Opera/8.0 (Macintosh; PPC Mac OS X; U; en)‘,
‘Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080219 Firefox/2.0.0.12 Navigator/9.0.0.6‘,
‘Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0)‘,
‘Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)‘,
‘Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C; .NET4.0E)‘,
‘Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Maxthon/4.0.6.2000 Chrome/26.0.1410.43 Safari/537.1 ‘,
‘Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C; .NET4.0E; QQBrowser/7.3.9825.400)‘,
‘Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 ‘,
‘Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.92 Safari/537.1 LBBROWSER‘,
‘Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0; BIDUBrowser 2.x)‘,
‘Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.11 TaoBrowser/3.0 Safari/536.11‘]
moduledic={‘ranklist_a‘:111,‘ranklist_b‘:4,}
for module in moduledic:
for page in range(1,moduledic[module]):
url=‘http://quote.stockstar.com/stock/‘+str(module)+‘_3_1_‘+str(page)+‘.html‘
try:
global response
response=requests.post(url, headers={"User-Agent":random.choice(user_agent)}) #定制请求头
except :
print "继续"
response.encoding = ‘gb2312‘
html = response.text
soup = BeautifulSoup(html, ‘lxml‘)
time.sleep(random.randrange(1,2)) #每抓一页随机休眠几秒，数值可根据实际情况改动
datalist=[]
for i in soup.find_all(‘tr‘):
for j in i.find_all(‘td‘):
datalist.append(j.string)
try:
data = datalist[0] + " " + datalist[1] +" " + datalist[2] + " " + datalist[3] +" " + datalist[4] + " " + datalist[5] +" " + datalist[6] +" " + datalist[7]+ " " + datalist[8] +" " + datalist[9] +" " + datalist[10] + " " + datalist[11]
print data
except:
continue
datalist=[]部分截图：
本来想存到数据库中的，后面用来做数据分析用，突然没兴趣就先这样吧。
只想说：大部分网站反爬虫策略基本上没做，如果我想的话，可能也就一两天 可以把整个网站爬下来，上面的也就用了半个小时吧。 数据不就是钱吗？ 完全爬下来 不就相当于间接脱库嘛？
本文出自 “付炜超” 博客，请务必保留此出处http://9399369.blog.51cto.com/9389369/1954076
python 爬虫爬取 证券之星网站
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