Traceback (most recent call last):
File "C:UsersAdministratorPycharmProjectspythonProjectutildb_util.py", line 5, in
conn = pymysql.connect(host="", user="root", password="123", database="teste")
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlconnections.py", line 353, in __init__
self.connect()
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlconnections.py", line 633, in connect
self._request_authentication()
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlconnections.py", line 921, in _request_authentication
auth_packet = self._process_auth(plugin_name, auth_packet)
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlconnections.py", line 1018, in _process_auth
pkt = self._read_packet()
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlconnections.py", line 725, in _read_packet
packet.raise_for_error()
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlprotocol.py", line 221, in raise_for_error
err.raise_mysql_exception(self._data)
File "C:UsersAdministratorPycharmProjectspythonProjectvenvlibsite-packagespymysqlerr.py", line 143, in raise_mysql_exception
raise errorclass(errno, errval)
pymysql.err.OperationalError: (1045, "Access denied for user 'root'@'' (using password: YES)")
进程已结束,退出代码1
问题原因：数据库的密码错误了
