1.下载python 2.7.6 amd 64bit
2.下载 cx_oracle https://pypi.python.org/pypi/cx_Oracle/5.1.3  asd-python-2.7版本
3.安装client 
4.cx_Oracle.InterfaceError: Unable to acquire Oracle environment handle 如上错误请：
cp client下所有的.dll文件到python安装包的lib/sit_pageages


5.SyntaxError: Non-ASCII character '\xe5' 如果报此错
在注释中添加：# -*- coding: UTF-8 -*-
6.创建连接
# -*- coding: UTF-8 -*-
import cx_Oracle


db=cx_Oracle.connect('username','password','ip/sid')


print db.version


db.close()