oracledb thick mode

 import os

import oracledb

import sys

import pandas as pd

from sqlalchemy import create_engine

from sqlalchemy import text

#需要配置Oracle Instant Client

oracledb.init_oracle_client()

params = oracledb.ConnectParams(host="111111111", port=1521, service_name="111111")

conn = oracledb.connect(user="11111111111", password="1111111111111",params=params)