import mysql.connector
 
mydb = mysql.connector.connect(
  host="localhost",       # 数据库主机地址
  user="root",    # 数据库用户名
  password="a2251698",   # 数据库密码
  auth_plugin = 'mysql_native_password'
)

print(mydb)

---------------------------------------------------------------------------
NotSupportedError                         Traceback (most recent call last)
~\AppData\Local\Temp/ipykernel_27744/542995535.py in <module>
      1 import mysql.connector
      2 
----> 3 mydb = mysql.connector.connect(
      4   host="localhost",       # 数据库主机地址
      5   user="root",    # 数据库用户名

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\__init__.py in connect(*args, **kwargs)
    177         return CMySQLConnection(*args, **kwargs)
    178     else:
--> 179         return MySQLConnection(*args, **kwargs)
    180 Connect = connect  # pylint: disable=C0103
    181 

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\connection.py in __init__(self, *args, **kwargs)
     93 
     94         if len(kwargs) > 0:
---> 95             self.connect(**kwargs)
     96 
     97     def _do_handshake(self):

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\abstracts.py in connect(self, **kwargs)
    714 
    715         self.disconnect()
--> 716         self._open_connection()
    717         self._post_connection()
    718 

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\connection.py in _open_connection(self)
    206         self._socket.open_connection()
    207         self._do_handshake()
--> 208         self._do_auth(self._user, self._password,
    209                       self._database, self._client_flags, self._charset_id,
    210                       self._ssl)

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\connection.py in _do_auth(self, username, password, database, client_flags, charset, ssl_options)
    142             auth_plugin=self._auth_plugin)
    143         self._socket.send(packet)
--> 144         self._auth_switch_request(username, password)
    145 
    146         if not (client_flags & ClientFlag.CONNECT_WITH_DB) and database:

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\connection.py in _auth_switch_request(self, username, password)
    165             (new_auth_plugin,
    166              auth_data) = self._protocol.parse_auth_switch_request(packet)
--> 167             auth = get_auth_plugin(new_auth_plugin)(
    168                 auth_data, password=password, ssl_enabled=self._ssl_active)
    169             response = auth.auth_response()

C:\ProgramData\Anaconda3\lib\site-packages\mysql\connector\authentication.py in get_auth_plugin(plugin_name)
    188             return authclass
    189 
--> 190     raise errors.NotSupportedError(
    191         "Authentication plugin '{0}' is not supported".format(plugin_name))

NotSupportedError: Authentication plugin 'caching_sha2_password' is not supported