python抓取京东商城手机列表url实例代码

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复制代码 代码如下:

-- coding: UTF-8 --

'''
Created on 2013-12-5

@author: good-temper
'''

import urllib2
import bs4
import time

def getPage(urlStr):
'''
获取页面内容
'''
content = urllib2.urlopen(urlStr).read()
return content

def getNextPageUrl(currPageNum):

http://list.jd.com/9987-653-655-0-0-0-0-0-0-0-1-1-页码-1-1-72-4137-33.html

url =  u'http://list.jd.com/9987-653-655-0-0-0-0-0-0-0-1-1-'+str(currPageNum+1)+'-1-1-72-4137-33.html'  

#是否有下一页  
content = getPage(url);  
soup = bs4.BeautifulSoup(content)  
list = soup.findAll('span',{'class':'next-disabled'});  
if(len(list) == 0):  
    return url  
return ''  

def analyzeList():
pageNum = 0
list = []
url = getNextPageUrl(pageNum)
while url !='':
soup = bs4.BeautifulSoup(getPage(url))
pagelist = soup.findAll('div',{'class':'p-name'})
for elem in pagelist:
soup1 = bs4.BeautifulSoup(str(elem))
list.append(soup1.find('a')['href'])

    pageNum = pageNum+1  
    print pageNum  
    url = getNextPageUrl(pageNum)  
return list

def analyzeContent(url):

return ''

def writeToFile(list, path):
f = open(path, 'a')
for elem in list:
f.write(elem+'\n')
f.close()

if name == 'main':
list = analyzeList()
print '共抓取'+str(len(list))+'条\n'

writeToFile(list, u'E:\\\jd_phone_list.dat');  

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