python实现lol解说抽奖


平时没事干的时候,会看看优酷lol视频,每期节目开始,解说都会用一个软件,从评论该视频的观众中抽奖,看了之后,想自己试试,只有代码,没有界面

实现步骤:

1,给评论翻页时,发现网址没有变,可以知道是该页面通过ajax获取数据,直接爬是行不通的

2,用httpWatch分析,得到http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap={%22videoid%22:%22XNjk5Mzc2NzE2%22,%22sid%22:663062266,%22page%22:41,%22last_modify%22:1397742780,%22showid%22:0}&__ai=&__callback=displayComments,利用工具分析得到http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap={"videoid":"XNjk5Mzc2NzE2","sid":663062266,"page":41,"last_modify":1397742780,"showid":0}&__ai=&__callback=displayComments,

3.到这里,改变page,就能获取某一页评论

import time
import urllib
import re
import random

#获取网页源码
def getHtml(x,url):
    #url='http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap={"videoid":"XNjk5Mzc2NzE2","sid":663062266,"page":%d,"last_modify":1397742780,"showid":0}&__ai=&__callback=displayComments' % x
    html=urllib.urlopen(url).read()
    print url
    #print html
    return html
#获取评论
def getComment(y,html):
    #匹配评论
    reg=re.compile(r'(.*?)','',result)
    '''
    for result in results:
        
        print re.sub("",'',result)
        print '------------------'
    '''
    print result
    return result

if __name__=='__main__':
    num=raw_input('输入总页数:')
    start=time.clock()
    x=random.randint(0,int(num))
    #第几条
    y=random.randint(0,30)
    print '第%d页' % x
    print '第%d条' % y
    url='http://comments.youku.com/comments/~ajax/vpcommentContent.html?__ap={"videoid":"XNjk5Mzc2NzE2","sid":663062266,"page":%d,"last_modify":1397742780,"showid":0}&__ai=&__callback=displayComments' % x
    html=getHtml(x,url)
    comment=getComment(y,html)
    print comment
    print 'done %.2f seconds' % (time.clock()-start)

结果:


不管我怎么改变编码方式,都没有变化,不知道怎么让这中文输出

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