python读sqlserver库Grid显示窗体程序
欢迎进入Windows社区论坛,与300万技术人员互动交流 >>进入 # Author: scott # # Created: 04/02/2012 #------------------------------------------------------------------------------- import pymssql import sys import decimal reload(sys) sys.setde
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# Author: scott
#
# Created: 04/02/2012
#-------------------------------------------------------------------------------
import pymssql
import sys
import decimal
reload(sys)
sys.setdefaultencoding( "utf8" )
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()
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