coding=utf-8
!/usr/bin/env python
——————————————————————————-
Name: pymssqlTest.py
Purpose: 测试 pymssql库,该库到这里下载:http://www.lfd.uci.edu/~gohlke/pythonlibs/#pymssql
Author: scott
Created: 04/02/2012
——————————————————————————-
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
[En]
Execute non-query statement
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 =”localhost”,user =”sa”,pwd =”123456″,db =”PythonWeiboStatistics”)
resList = ms.ExecQuery(“SELECT id,weibocontent FROM WeiBo”)
for (id,weibocontent) in resList :
print str(weibocontent).decode(“utf8”)
if name == ‘main‘:
main()
注意事项:
使用pymssql进行中文操作时候可能会出现中文乱码,我解决的方案是:
- 文件头加上 #coding=utf8
- sql语句中有中文的时候进行encode insertSql = “insert into WeiBo([UserId],[WeiBoContent],[PublishDate]) values(1,’测试’,’2012/2/1′)”.encode(“utf8”)
- 连接的时候加入charset设置信息 pymssql.connect(host = self.host,user = self.user,password = self.pwd,database = self.db,charset =”utf8″)
Original: https://www.cnblogs.com/einyboy/p/3188756.html
Author: einyboy
Title: python 使用pymssql连接sql server数据库
原创文章受到原创版权保护。转载请注明出处:https://www.johngo689.com/7795/
转载文章受原作者版权保护。转载请注明原作者出处!