MySQLdb基本用法

xiaolin0199

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()