#-*- coding = uft-8 -*-
#@Time : 2020/9/26 4:35 下午
#@Author : 公众号 菜J学Python
#@File : tengxun_danmu-1.py

import requests
import json
import time
import pandas as pd

df = pd.DataFrame()
# range设置起始页码从15-45，间隔30
for page in range(15, 45, 30):
    headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36'}
    url = 'https://mfm.video.qq.com/danmu?otype=json&timestamp={}&target_id=5938032297%26vid%3Dx0034hxucmw&count=80'.format(page)
    print("正在提取第" + str(page) + "页")
    html = requests.get(url,headers = headers)
    print(html)
    bs = json.loads(html.text.encode('utf-8').decode('utf-8'),strict = False)  #strict参数解决部分内容json格式解析报错
    time.sleep(1)
    print(bs)
    #遍历获取目标字段
    for i in bs['comments']:
        content = i['content']  #弹幕
        upcount = i['upcount']  #点赞数
        user_degree =i['uservip_degree'] #会员等级
        timepoint = i['timepoint']  #发布时间
        comment_id = i['commentid']  #弹幕id
        cache = pd.DataFrame({'弹幕':[content],'会员等级':[user_degree],
                              '发布时间':[timepoint],'弹幕点赞':[upcount],'弹幕id':[comment_id]})
        df = pd.concat([df,cache])

df.to_csv('tengxun_danmu.csv',encoding = 'utf-8-sig') # 设置编码，避免乱码
print(df.shape)