Python实例讲解 -
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。# -*- coding: utf-8 -*-import os, sys, stringimport MySQLdb# 连接数据库 try: conn = MySQLdb.connect(host='localhost',user='root',passwd='root',db='test')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, reccursor.close()conn.close()
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