首页 » 技术分享 » python爬取有关熊安新区的网易评论

python爬取有关熊安新区的网易评论

　
评论关闭　1,758次浏览

从收到任务到完成任务大概用了两天半，期间出现好多问题，如：

1.爬到的信息格式不正确，不是字典形式；

2.爬出来的缺少信息；

3.爬出来的信息无法用中文显示；

4.爬出来的信息无法写进文件

.......

废话不多说，还是直接上代码吧.....不懂的自行百度~~~偷笑

# -*- coding:utf-8 -*-

import re
import urllib2
import json
import time
import sys
reload(sys)
sys.setdefaultencoding('utf8')

def get_dict():
    data = []
    f = open('xa35.json', 'a+')
    for k in range(0, 4):
        if k == 0:
            url1 = 'http://comment.news.163.com/api/v1/products/a2869674571f77b5a0867c3d71db5856/threads/CHEN8TPF0001875P/comments/hotList?offset=0&limit=40&showLevelThreshold=72&headLimit=1&tailLimit=2&callback=getData&ibc=newspc'
            user_agent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0"
            headers = {'User-Agent': user_agent}
            response = urllib2.Request(url1, headers=headers)
            data = urllib2.urlopen(response).read()
        else:
            url2 = 'http://comment.news.163.com/api/v1/products/a2869674571f77b5a0867c3d71db5856/threads/CHEN8TPF0001875P/comments/newList?offset=%d&limit=30&showLevelThreshold=72&headLimit=1&tailLimit=2&callback=getData&ibc=newspc&_=1492685047382' % k
            user_agent = "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:49.0) Gecko/20100101 Firefox/49.0"
            headers = {'User-Agent': user_agent}
            response = urllib2.Request(url2, headers=headers)
            data = urllib2.urlopen(response).read()
        reg = re.compile(r'getData\(')
        data1 = reg.sub('', data)
        reg1 = re.compile(r"\)\;")
        data = reg1.sub(' ', data1)
        data = json.loads(data)
        for i in data['comments']:
            dict = {}
            nc = data['comments'][i]['user'].setdefault('nickname', '""')
            dict['nick'] = nc
            pl = data['comments'][i]['content']
            dict['comment'] = pl
            dz = data['comments'][i]['user'].setdefault('location', '""')
            dict['region'] = dz
            userId = str(data['comments'][i]['user'].setdefault('userId', '""'))
            dict['userid'] = userId
            commentId = str(data['comments'][i]['commentId'])
            dict['id'] = commentId
            dict1 = json.dumps(dict,ensure_ascii=False)
            print dict1
            f.write(dict1+"\n")
    f.close()
rs = get_dict()

顺带附一张结果图：


转载自原文链接, 如需删除请联系管理员。

原文链接：python爬取有关熊安新区的网易评论，转载请注明来源！

赞 0