linux:yum install MySQL-python
window: http://files.cnblogs.com/files/wupeiqi/py-mysql-win.zip
数据表操作
show tables;
create table students
(
id int not null auto_increment primary key,
name char(8) not null,
sex char(4) not null,
age tinyint unsigned not null,
tel char(13) null default "-"
数据操作
insert into students(name,sex,age,tel) values('alex','man',18,'151515151')
delete from students where id =2;
update students set name = 'sb' where id =1;
select * from students
Python MySQL API
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
cur = conn.cursor()
reCount = cur.execute('insert into UserInfo(Name,Address) values(%s,%s)',('alex','usa'))
# reCount = cur.execute('insert into UserInfo(Name,Address) values(%(id)s, %(name)s)',{'id':12345,'name':'wupeiqi'})
conn.commit()
cur.close()
conn.close()
批量插入数据
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
cur = conn.cursor()
li =[
('alex','usa'),
('sb','usa'),
]
reCount = cur.executemany('insert into UserInfo(Name,Address) values(%s,%s)',li)
conn.commit()
cur.close()
conn.close()
print reCount
删除数据
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
cur = conn.cursor()
reCount = cur.execute('delete from UserInfo')
conn.commit()
cur.close()
conn.close()
print reCount
修改数据
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
cur = conn.cursor()
reCount = cur.execute('update UserInfo set Name = %s',('alin',))
conn.commit()
cur.close()
conn.close()
print reCount
查数据
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
cur = conn.cursor()
reCount = cur.execute('select * from UserInfo')
print cur.fetchone()
print cur.fetchone()
cur.scroll(-1,mode='relative')
print cur.fetchone()
print cur.fetchone()
cur.scroll(0,mode='absolute')
print cur.fetchone()
print cur.fetchone()
cur.close()
conn.close()
print reCount
# ############################## fetchall ##############################
import MySQLdb
conn = MySQLdb.connect(host='127.0.0.1',user='root',passwd='1234',db='mydb')
#cur = conn.cursor(cursorclass = MySQLdb.cursors.DictCursor)
cur = conn.cursor()
reCount = cur.execute('select Name,Address from UserInfo')
nRet = cur.fetchall()
cur.close()
conn.close()
print reCount
print nRet
for i in nRet:
print i[0],i[1]