欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

python抓取京东商城手机列表url实例代码

程序员文章站 2022-05-30 20:41:23
复制代码 代码如下:#-*- coding: utf-8 -*-'''created on 2013-12-5 @author: good-temper''' impo...

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');