"""
Version: 0.1
Author: freshbin
Date: 2019年8月29日
"""
print("=================================ajax start================================================")
# http://www.w3school.com.cn/ajax_xmlhttprequest_send.asp
# ajax请求到网页更新的这个过程：
'''
1 发送请求
2 渲染内容
3 渲染网页
'''
from urllib.parse import urlencode
import requests
from pyquery import PyQuery as pq
from pymongo import MongoClient
client = MongoClient()
db = client['weibo']
collection = db['weibo']
base_url = 'https://m.weibo.cn/api/container/getIndex?'
headers = {
'Host': 'm.weibo.cn',
'Referer': 'https://m.weibo.cn/u/2830678474',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36',
'X-Requested-With': 'XMLHttpRequest',
}
def get_page(page):
params = {
'type': 'uid',
'value': '2830678474',
'containerid': '1076032830678474',
'page': page
}
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)
def parse_page(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
def save_to_mongo(result):
if collection.insert(result):
print('Saved to Mongo')
if __name__ == '__main__':
for page in range(1, 11):
json = get_page(page)
results = parse_page(json)
for result in results:
print(result)
save_to_mongo(result)
print("=================================ajax end================================================")
