python windows gbk编码转换

#!/usr/bin/env python
# -*- coding: utf-8 -*-


import cx_Oracle
from pprint import pprint
import csv
import time
import re
import binascii
conn = cx_Oracle.connect('system/oracle@192.168.137.2/serv')
cursor = conn.cursor()
table_name="t300"
owner="system"
xsql='select process,sid from t300'
col=[]
r = cursor.execute(xsql)
for col in r:
    #print col[0].decode('gbk')
    if col[0].decode('gbk')==u'测试环境':
        print col[0].decode('gbk')
        print 1111

C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled/mycompany/oracle/t1.py
测试环境
1111

Process finished with exit code 0



widnows 环境:

>>> a='测试环境'
>>> a
'xb2xe2xcaxd4xbbxb7xbexb3'
>>> print a
测试环境
>>> print len(a)
8
>>>

>>> print 'xb2xe2xcaxd4xbbxb7xbexb3'.decode('gbk')
测试环境


>>> b=u'测试环境'
>>> b
u'u6d4bu8bd5u73afu5883'
>>> print b
测试环境
>>> print len(b)
4


>>> print u'u6d4bu8bd5u73afu5883'.encode('gbk')
测试环境