python爬取51job中hr的邮箱

本文实例为大家分享了python爬取51job中hr的邮箱具体代码，供大家参考，具体内容如下

#encoding=utf8
import urllib2
import cookielib
import re
import lxml.html
from _ast import TryExcept
from warnings import catch_warnings

f = open('/root/Desktop/51-01.txt','a+')

def read(city):
 url = 'http://www.51job.com/'+city
 cj = cookielib.MozillaCookieJar()
 cookie_support = urllib2.HTTPCookieProcessor(cj)
 opener = urllib2.build_opener(cookie_support)
 opener.addheaders = [('User-agent','Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0 Iceweasel/38.3.0')]
 urllib2.install_opener(opener)
 response = urllib2.urlopen(url)
 http = response.read()
 rex = 'http://jobs.51job.com/hot/.*?html'
 value = re.findall(rex, http)
 for i in value:
   print i
   try:
     readpage(i)
   except:
     pass

def readpage(url):
 cj = cookielib.MozillaCookieJar()
 cookie_support = urllib2.HTTPCookieProcessor(cj)
 opener = urllib2.build_opener(cookie_support)
 opener.addheaders = [('User-agent','Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0 Iceweasel/38.3.0')]
 urllib2.install_opener(opener)
 html = urllib2.urlopen(url,timeout = 2).read()
 doc = lxml.html.fromstring(html)
 rex = r'[\w\.-]+@(?:[A-Za-z0-9]+\.)+[A-Za-z]+'
 results = doc.xpath('//div[@class="tmsg inbox"]/div[@class="con_msg"]/div[@class="in"]/p/text()')
 for i in results:
   xx = re.compile(rex)
   for j in xx.findall(i):
     print j
     f.write(j+'\n')
     f.flush()

if __name__ == '__main__':
 city_list = ['zhangjiagang','zhanjiang','zhaoqing','zibo']
 for i in city_list:
   f.write(i+'\n')
   f.flush()
   try:
     read(i)
   except:
     pass
 f.flush()
 f.close()

city_list大家自己整理一下，只能帮你们到这里了，谢谢大家的阅读，继续关注脚本之家更多精彩内容。