1、首先要下载安装cx_Oracle
注意：下载的cx_Oracle版本要与自己的python环境版本一致，否则可能连接数据库时报错。
2、数据库表结构
3、python代码
-
# -*- mode: python; coding: utf-8 -*- -
# -
# python operate oracle, contain insert、delete、update、select. -
# -
# @author liyulin -
# @date 2014-11-07 -
import cx_Oracle -
class PythonOralceUtil: -
def __enter__(self): -
self.conn = cx_Oracle.connect('testuser/[email protected]/CHROMEBOOK') -
self.cursor = self.conn.cursor() -
return self -
def __exit__(self, type, value, traceback): -
self.cursor.close() -
self.conn.close() -
############################################ -
# 查询reg_codes中的所有数据 -
############################################ -
def queryAll(self): -
self.cursor.execute('select * from reg_codes') -
results = self.cursor.fetchall() -
for result in results: -
print result -
############################################ -
# 根据序号查询reg_codes中的一条数据 -
############################################ -
def queryBySeq(self, seq): -
self.cursor.execute('select * from reg_codes where seq=:1', seq) -
result = self.cursor.fetchone() -
if (result is not None): -
for index in range(0,6): -
print result[index], -
############################################ -
# 向reg_codes中插入N条数据 -
############################################ -
def insertManay(self, insertValue): -
self.conn.begin() -
try: -
self.cursor.executemany('insert into reg_codes(device,unique_code,group_code,input_file,sn,input_ts) values(:1,:2,:3,:4,:5,sysdate)', insertValue) -
except AssertionError: -
self.conn.rollback() -
raise Warning, "invalid insertValue (%s)" % insertValue -
self.conn.commit() -
############################################ -
# 更新reg_codes中一条数据 -
############################################ -
def updateOne(self, sqe, input_file): -
updateValue = [input_file, sqe] -
self.cursor.execute('update reg_codes set input_file=:1 where seq=:2', updateValue) -
############################################ -
# 更新reg_codes中N条数据 -
############################################ -
def updateManay(self, updateValues): -
self.conn.begin() -
try: -
self.cursor.executemany('update reg_codes set input_file=:1 where seq=:2', updateValues) -
except AssertionError: -
self.conn.rollback() -
raise Warning, "invalid insertValue (%s)" % updateValues -
self.conn.commit() -
############################################ -
# 删除reg_codes中一条数据 -
############################################ -
def delete(self, sqe): -
self.cursor.execute('delete from reg_codes where seq=:1', sqe) -
############################################ -
# 删除reg_codes中N条数据 -
############################################ -
def deleteManay(self, seqs): -
self.conn.begin() -
try: -
self.cursor.executemany('delete from reg_codes where seq=:1', seqs) -
except AssertionError: -
self.conn.rollback() -
raise Warning, "invalid seqs (%s)" % seqs -
self.conn.commit() -
############################################ -
# 执行代码 -
############################################ -
with PythonOralceUtil() as pythonOralceUtil: -
# insertValue = [['jerry', 'unique_code2333', 'group_code2333', 'debug233', '1111111111122'], -
# ['jerry', 'unique_code244', 'group_code244', 'debug244', '22222222233'], -
# ['jerry', 'unique_code255', 'group_code255', 'debug255', '33333333344'], -
# ['jerry', 'unique_code266', 'group_code266', 'debug266', '44444444455'], -
# ['jerry', 'unique_code277', 'group_code277', 'debug277', '55555555566']] -
# pythonOralceUtil.insertManay(insertValue) -
# pythonOralceUtil.updateOne('27', 'debug_updated') -
# pythonOralceUtil.delete([27]) -
# pythonOralceUtil.deleteManay([[31],[44],[45]]) -
updateValues = [['debug_updated', '46'], -
['debug_updated', '47'], -
['debug_updated', '48'], -
['debug_updated', '34']] -
pythonOralceUtil.updateManay(updateValues) -
pythonOralceUtil.queryAll() -
pythonOralceUtil.queryBySeq([27])