Python(操作 Mysql 模块的安装)

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]

 

http://www.cnblogs.com/wupeiqi/articles/5095821.html

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