since_id那里还是不会，书里面是page，很好进行多个页面的爬取，但是since_id找不到规律，我暂时还不会，以下的代码只爬取了一页的数据

# 因为爬虫对象是https链接，导入一个ssl模块就可以解决问题
# 全局取消证书验证
import ssl
ssl._create_default_https_context = ssl._create_unverified_context


from bs4 import BeautifulSoup
import requests
from urllib.parse import urlencode
import re

headers ={
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36',
    'Referer': 'https://m.weibo.cn/u/2830678474',
    'X-Requested-With': 'XMLHttpRequest',
    'Host' : 'm.weibo.cn'
}

base_url = 'https://m.weibo.cn/api/container/getIndex?'

def get_since_id(since_id):
    params = {
        'type': 'uid',
        'value': '2830678474',
        'containerid': '1076032830678474',
        'since_id': since_id
    }
    url = base_url + urlencode(params)
    try:
        response = requests.get(url, headers=headers)
        if response.status_code == 200:
            return response.json()
    except requests.ConnectionError as e:
        print('Error', e.args)



from pyquery import PyQuery as pq      #解析
def parse_since_id(json):
    if json:
        items = json.get('data').get('cards')
        for item in items:
            item = item.get('mblog')
            weibo = {}
            weibo['id'] = item.get('id')
            weibo['text'] = pq(item.get('text')).text()
            weibo['attitudes'] = item.get('attitudes_count')
            weibo['comments'] = item.get('comments_count')
            weibo['reposts'] = item.get('reposts_count')
            yield weibo



from pymongo import MongoClient

client = MongoClient()
db=client['weibo']
collection=db['weibo']

def save_to_mongo(result):
    if collection.insert_one(result):
        print('Saved to mongo')




if __name__ == '__main__':
    for since_id in range(4527282934256454, 4527282934256455):
         json = get_since_id(since_id)
         results = parse_since_id(json)
         for result in results:
             save_to_mongo(result)
             # print(result)