#
-*- 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()
0.引入MySQLdb库
import MySQLdb
1.和数据库建立连接
conn=MySQLdb.connect(host="localhost",user="root",passwd="sa",db="mytable")
提供的connect方法用来和数据库建立连接,接收数个参数,返回连接对象.
比较常用的参数包括
host:数据库主机名.默认是用本地主机.
user:数据库登陆名.默认是当前用户.
passwd:数据库登陆的秘密.默认为空.
db:�
