Python MySQLdb模块

13年前
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, string  import 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 e    sql = "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()