python 操作SQL SERVER数据库
首先安装pymssql模块1
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pip install pymssql
Collecting pymssql
Downloading pymssql-2.1.3-cp35-cp35m-win_amd64.whl (367kB)
100% |████████████████████████████████| 368kB 39kB/s
Installing collected packages: pymssql
Found existing installation: pymssql 2.1.2
Uninstalling pymssql-2.1.2:
Successfully uninstalled pymssql-2.1.2
Successfully installed pymssql-2.1.3
事例代码：
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#!/usr/bin/env python
# encoding: utf-8
"""
@version: ??
@author: phpergao
@license: Apache Licence
@file: mssql.py
@time: 2016/7/18 10:18
"""
import pymssql
class MSSQL:
"""
对pymssql的简单封装
pymssql库，该库到这里下载：http://www.lfd.uci.edu/~gohlke/pythonlibs/#pymssql
使用该库时，需要在Sql Server Configuration Manager里面将TCP/IP协议开启
用法：
"""
def __init__(self,host,user,pwd,db):
self.host = host
self.user = user
self.pwd = pwd
self.db = db
def __GetConnect(self):
"""
得到连接信息
返回: conn.cursor()
"""
if not self.db:
raise(NameError,"没有设置数据库信息")
self.conn = pymssql.connect(host=self.host,user=self.user,password=self.pwd,database=self.db,charset="utf8")
cur = self.conn.cursor()
if not cur:
raise(NameError,"连接数据库失败")
else:
return cur
def ExecQuery(self,sql):
"""
执行查询语句
返回的是一个包含tuple的list，list的元素是记录行，tuple的元素是每行记录的字段
调用示例：
ms = MSSQL(host="localhost",user="sa",pwd="123456",db="PythonWeiboStatistics")
resList = ms.ExecQuery("SELECT id,NickName FROM WeiBoUser")
for (id,NickName) in resList:
print str(id),NickName
"""
cur = self.__GetConnect()
cur.execute(sql)
resList = cur.fetchall()
#查询完毕后必须关闭连接
self.conn.close()
return resList
def ExecNonQuery(self,sql):
"""
执行非查询语句
调用示例：
cur = self.__GetConnect()
cur.execute(sql)
self.conn.commit()
self.conn.close()
"""
cur = self.__GetConnect()
cur.execute(sql)
self.conn.commit()
self.conn.close()
def main():
## ms = MSSQL(host="localhost",user="sa",pwd="123456",db="PythonWeiboStatistics")
## #返回的是一个包含tuple的list，list的元素是记录行，tuple的元素是每行记录的字段
## ms.ExecNonQuery("insert into WeiBoUser values('2','3')")
ms = MSSQL(host="192.168.1.1",user="sa",pwd="123456789",db="stddata")
resList = ms.ExecQuery("SELECT * FROM STD_Store_Data")
for i in resList:
print (i)
if __name__ == '__main__':
main()
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