https://www.mysite.com/?sortField=%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD&pageIndex=3&pageSize=20

from urllib.parse import urlencode 

url = "https://www.mysite.com/"

parameter = {

    "pageSize": 20,

    "sortField": "人工智能",

    "pageIndex": 3

}

data = urlencode(parameter)

print(url + "?" + data)

# https://www.mysite.com/?sortField=%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD&pageIndex=3&pageSize=20