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首頁(yè)精彩閱讀python連接sql server亂碼的解決方法
python連接sql server亂碼的解決方法
2017-09-25
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python連接sql server亂碼的解決方法

為解決python連接sql server是出現(xiàn)的亂碼,需要在連接sql server 時(shí)指定字符集utf8(client charset = UTF-8),python環(huán)境制定了字符集變量(#coding=utf-8 )


vi /etc/freetds/freetds.conf

代碼如下:
[global]
# TDS protocol version
tds version = 8.0
client charset = UTF-8
# A typical Microsoft server
[Server55]
host = 192.168.1.55
port = 1433
tds version = 8.0
vi /etc/odbc.ini
[DSN55]
Description=my dsn
Driver=TDS
Database=qq99
Servername=Server55


tsql -S Server55 -U qq -P 123456 -D qq99

代碼如下:

#coding=utf-8
#!/usr/bin/python
import pyodbc
cnxn = pyodbc.connect("DSN=DSN55;UID=qq;PWD=123456")
cursor = cnxn.cursor()
cursor.execute('select * from orders where username=?','qq')
a=cursor.fetchall()
print 'pyodbc',a

關(guān)閉連接:

代碼如下:
csr.close()
del csr
conn.close()

python 使用pymssql連接sql server數(shù)據(jù)庫(kù)

代碼如下:
#coding=utf-8
#!/usr/bin/env python
#-------------------------------------------------------------------------------
# Name: pymssqlTest.py
# Purpose: 測(cè)試 pymssql庫(kù),該庫(kù)到這里下載:http://www.lfd.uci.edu/~gohlke/pythonlibs/#pymssql
#
# Author: scott
#
# Created: 04/02/2012
#-------------------------------------------------------------------------------

import pymssql


class MSSQL:
    """
    對(duì)pymssql的簡(jiǎn)單封裝
    pymssql庫(kù),該庫(kù)到這里下載:http://www.lfd.uci.edu/~gohlke/pythonlibs/#pymssql
    使用該庫(kù)時(shí),需要在Sql Server Configuration Manager里面將TCP/IP協(xié)議開(kāi)啟

    用法:

    """

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

    def __GetConnect(self):
        """
        得到連接信息
        返回: conn.cursor()
        """
        if not self.db:
            raise(NameError,"沒(méi)有設(shè)置數(shù)據(jù)庫(kù)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,"連接數(shù)據(jù)庫(kù)失敗")
        else:
            return cur

    def ExecQuery(self,sql):
        """
        執(zhí)行查詢語(yǔ)句
        返回的是一個(gè)包含tuple的list,list的元素是記錄行,tuple的元素是每行記錄的字段

        調(diào)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()

        #查詢完畢后必須關(guān)閉連接
        self.conn.close()
        return resList

    def ExecNonQuery(self,sql):
        """
        執(zhí)行非查詢語(yǔ)句

        調(diào)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")
## #返回的是一個(gè)包含tuple的list,list的元素是記錄行,tuple的元素是每行記錄的字段
## 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()

注意事項(xiàng):
    使用pymssql進(jìn)行中文操作時(shí)候可能會(huì)出現(xiàn)中文亂碼,我解決的方案是:
文件頭加上 #coding=utf8
sql語(yǔ)句中有中文的時(shí)候進(jìn)行encode
   insertSql = "insert into WeiBo([UserId],[WeiBoContent],[PublishDate]) values(1,'測(cè)試','2012/2/1')".encode("utf8")
 連接的時(shí)候加入charset設(shè)置信息
    pymssql.connect(host=self.host,user=self.user,password=self.pwd,database=self.db,charset="utf8")



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