本文实例讲述了Python使用bs4获取58同城城市分类的方法。分享给大家供大家参考。具体如下:
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# -*- coding:utf-8 -*-
#! /usr/bin/python
import urllib
import os, datetime, sys
from bs4 import BeautifulSoup
reload (sys)
sys.setdefaultencoding( "utf-8" )
__BASEURL__ = "http://bj.58.com/"
__INITURL__ = "http://bj.58.com/hezu/"
soup = BeautifulSoup(urllib.urlopen(__INITURL__))
lv1Elements = soup.html.body.section.find( 'div' , 'relative' ).find( 'dl' , 'secitem' )( 'a' ,href = True )
f = open ( 'data.txt' , 'w' )
for element in lv1Elements[ 1 :]:
f.write((element.get_text() + '\r\n' ))
print element.get_text()
url = __BASEURL__ + element.get( 'href' )
print url
soup = BeautifulSoup(urllib.urlopen(url))
lv2Elements = soup.html.body.section.find( 'div' , 'relative' ).find( 'dl' , 'secitem' ).find( 'div' , 'subarea' ).find_all( 'a' )
texts = [t.get_text() for t in lv2Elements]
f.write( ' ' .join(texts) + '\r\n\r\n' )
f.close()
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希望本文所述对大家的Python程序设计有所帮助。