Python MySQLdb模块,pythonmysqldb模块,mysql是一个优秀的开


mysql是一个优秀的开源数据库,它现在的应用非常的广泛,因此很有必要简单的介绍一下用python操作mysql数据库的方法。python操作数据库需要安装一个第三方的模块,在http://mysql-python.sourceforge.net/有下载和文档。

#-*- encoding: gb2312 -*-import os, sys, stringimport MySQLdb# 连接数据库 try:    conn = MySQLdb.connect(host='localhost',user='root',passwd='xxxx',db='test1')except Exception, e:    print e    sys.exit()# 获取cursor对象来进行操作cursor = conn.cursor()# 创建表sql = "create table if not exists test1(name varchar(128) primary key, age int(4))"cursor.execute(sql)# 插入数据sql = "insert into test1(name, age) values ('%s', %d)" % ("zhaowei", 23)try:    cursor.execute(sql)except Exception, e:    print esql = "insert into test1(name, age) values ('%s', %d)" % ("张三", 21)try:    cursor.execute(sql)except Exception, e:    print e# 插入多条sql = "insert into test1(name, age) values (%s, %s)"val = (("李四", 24), ("王五", 25), ("洪六", 26))try:    cursor.executemany(sql, val)except Exception, e:    print e#查询出数据sql = "select * from test1"cursor.execute(sql)alldata = cursor.fetchall()# 如果有数据返回,就循环输出, alldata是有个二维的列表if alldata:    for rec in alldata:        print rec[0], rec[1]cursor.close()conn.close()#该片段来自于http://byrx.net

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