python访问sql-server

python版本2.7
如下代码，需要给Python部署第三方库 pymssql
csdn下载地址:
http://download.csdn.net/detail/intel80586/7924641

import pymssql


class MSSQL:
    def __init__(self,host,user,pwd,db):
        self.host = host
        self.user = user
        self.pwd = pwd
        self.db = db

    def __GetConnect(self):
        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):
        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):
        cur = self.__GetConnect()
        cur.execute(sql)
        self.conn.commit()
        self.conn.close()

def main():
    ms = MSSQL(host="127.0.0.1",user="sa",pwd="123456",db="QPPlatformDB")
    resList = ms.ExecQuery("SELECT * FROM dbo.DanGradingLevelConfig")
    #print resList
    for (_id,lv,name,prestige,award) in resList:
        print name

if __name__ == '__main__':
    main()