原代码正常运行，但是下载一个月的视频最多只有36个，猜测是抖音的返回包限制了数量，因此改进了，以一天为粒度下载
代码

timepool=list(pd.date_range(start=’2022-10-22 00:00:00′, end=’2022-10-23 00:00:00′, freq=’D’))
中的start 和end就是起止时间，用的时候记得改一下

import requests
import json
import os
import time
import re
import pandas as pd
 
"""
1.根据用户页面分享的字符串提取短url
2.根据短url加上302获取location,提取sec_id
3.拼接视频列表请求url
params = {
    'sec_uid' : 'MS4wLjABAAAAbtSlJK_BfUcuqyy8ypNouqEH7outUXePTYEcAIpY9rk',
    'count' : '200',
    'min_cursor' : '1612108800000',
    'max_cursor' : '1619251716404',
    'aid' : '1128',
    '_signature' : 'PtCNCgAAXljWCq93QOKsFT7QjR'
}
"""
def delete_boring_characters(sentence):
    return re.sub('[0-9’!"#$%&\'()*+,-./:;<=>?@，。?★、…【】《》？“”‘’！[\\]^_`{|}~\s]+', "", sentence)
 
headers = {
"user-agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Mobile Safari/537.36"
}
#string  = 'https://v.douyin.com/ekkTsYw/' 
string = input('粘贴分享链接：')
  
shroturl = re.findall('[a-z]+://[\S]+', string, re.I|re.M)[0]
print(shroturl)
startpage = requests.get(url=shroturl, headers=headers, allow_redirects=False)
location = startpage.headers['location']
sec_uid = re.findall('(?<=sec_uid=)[a-z，A-Z，0-9, _, -]+', location, re.M|re.I)[0]
getname = requests.get(url='https://www.iesdouyin.com/web/api/v2/user/info/?sec_uid={}'.format(sec_uid), headers=headers).text
userinfo = json.loads(getname)
name = userinfo['user_info']['nickname']
print(userinfo['user_info']['nickname'])
Path = name
if os.path.exists(path=Path) == False:
    os.mkdir(path=Path)
else:
    print('directory exist')
os.chdir(path=Path)
  
"""new function"""
timepool=list(pd.date_range(start='2022-10-22 00:00:00', end='2022-10-23 00:00:00', freq='D'))
timepool=list(map(str,timepool))
#print(timepool)
k = len(timepool)
for i in range(k-1) :
     
    print('begintime='+timepool[i])
    print('endtime='+timepool[i+1])
    numstr=timepool[i][0:8]
    beginarray = time.strptime(timepool[i], "%Y-%m-%d %H:%M:%S")
    endarray = time.strptime(timepool[i+1], "%Y-%m-%d %H:%M:%S")
    t1 = int(time.mktime(beginarray) * 1000)
    t2 = int(time.mktime(endarray) * 1000)
    #print(t1,t2)
  
    params = {
        'sec_uid' : sec_uid,
        'count' : 200,
        'min_cursor' : t1,
        'max_cursor' : t2,
        'aid' : 1128,
        '_signature' : 'PtCNCgAAXljWCq93QOKsFT7QjR'
    }
     
    awemeurl = 'https://www.iesdouyin.com/web/api/v2/aweme/post/?'
    awemehtml = requests.get(url=awemeurl, params=params, headers=headers).text
    data = json.loads(awemehtml)
    #print(data)
        # print(type(data))
    awemenum = len(data['aweme_list'])
    print(awemenum)
    for j in range(awemenum):
        print(j)
        videotitle = data['aweme_list'][j]['desc'].replace("?", "").replace("\"","").replace(":","")
        videoid = data['aweme_list'][j]['aweme_id']
        videourl = data['aweme_list'][j]['video']['play_addr']['url_list'][0]
        start = time.time()
        print('{} ===>downloading'.format(videotitle))
             
        print(videoid)
        with open(videoid+'-'+delete_boring_characters(videotitle)+'.mp4', 'wb') as v:
            try:
                v.write(requests.get(url=videourl, headers=headers).content)
                end = time.time()
                cost = end - start
                print('{} ===>downloaded ===>cost {}s'.format(videotitle, cost))
            except Exception as e:
                print('download error')

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