python定时器爬取豆瓣音乐Top榜歌名，python定时器,作者:vpoet日期:大

python定时器爬取豆瓣音乐Top榜歌名，python定时器,作者:vpoet日期:大

作者:vpoet

日期:大约在夏季

注:这些小demo都是前段时间为了学python写的,现在贴出来纯粹是为了和大家分享一下

#coding=utf-8  import urllib    import urllib2    import re    import time   def SaveTop20Music(currtime):      rex=r'<a href="javascript:;">(.*?)</a>';      url = 'http://music.douban.com/chart';      Response = urllib2.urlopen(url);      Html=Response.read();      listsofsong = re.findall(rex, Html);      print len(listsofsong);      f=open('%s.txt' % currtime,'w');      x=1;      for line in listsofsong:          f.write('top'+str(x)+':'+line);          f.write('\n');          x=x+1;          f.flush();      f.close();      print currtime+'.txt'+'\t\t'+'SaveOver'  def timer(n):        while True:            currtime = time.strftime("Savetime_%H-%M-%S", time.localtime())           print currtime          SaveTop20Music(currtime)           time.sleep(n)   if __name__ == "__main__":        timer(5)