爬蟲，post請求

from urllib.request import Request,urlopen
from urllib.parse import urlencode
url = 'https://www.zhihu.com/signin?next=%2F'
args = {
    'username':'16633970705',
    'password':'16633970705'
}
f_data = urlencode(args)
print(f_data)
headers = {
    "User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3732.400 QQBrowser/10.5.3824.400"
}
request = Request(url,headers=headers,data=f_data.encode())
rs = urlopen(request)
print(rs.read().decode())