Python怎么连接oracle数据库

pip install cx_Oracle

import cx_Oracle                                 #引用模块cx_Oracle

#conn=cx_Oracle.connect(‘用户名/密码@主机ip地址：端口号/Service Name（SID)')

conn=cx_Oracle.connect('truck/******@10.74.**.**:****/****')    #连接数据库

c=conn.cursor()                                  #获取cursor

x=c.execute('select sysdate from dual')                  #使用cursor进行各种操作

x.fetchone()

c.close()                                      #关闭cursor

conn.close()                                     #关闭连接

import os

os.environ['NLS_LANG'] = 'SIMPLIFIED CHINESE_CHINA.UTF8'

# -*- coding: utf-8 -*-