爬虫1：爬虫爬取糗事百科

初学爬虫，做的一个爬取糗事百科例子  python+beautiful soup

爬取糗事百科热门并把有图片的过滤掉

# coding:utf-8
import urllib2
import urllib
import sys
from bs4 import BeautifulSoup

reload(sys)
sys.setdefaultencoding( "utf-8" )

page=range(1,36)

for i in range(0,len(page)):
    print "now page is " + str(i+1)
    url = 'http://www.qiushibaike.com/hot/page/'+ str(i+1)
    print url
    user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
    headers = { 'User-Agent' : user_agent } 
    req = urllib2.Request(url,headers=headers)
    
    try:
        response = urllib2.urlopen(req)
        mypage =  response.read().decode('utf8')
        #解析网页
        soup =BeautifulSoup(mypage,"html.parser")    
        items = soup.find_all('div',class_='article block untagged mb15')
        for i in range(0,len(items)):
            if items[i].find('div',class_='thumb'):
                continue
            else:            
                print str(items[i].find('div',class_='content').text)

    except urllib2.URLError,e:
        if hasattr(e,"code"):
            print e.code
        if  hasattr(e,"reason"):
            print e.reason