python腳本之與mysql交互

yum install mysql-server

service  mysqld start

[root@LVS1 ~]# mysql -u root

mysql>  SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123456');

mysql> show databases;

mysql> use mysql;

mysql> show databases;

mysql>quit

yum install MySQL-python

#######################################################

#!/usr/bin/env python

#encoding=utf-8

import MySQLdb

try:

        conn=MySQLdb.connect(host='localhost',user='root',passwd='123456',db='mysql',port=3306)

        cur=conn.cursor()

        cur.execute('select * from mysql.user')

        #result=cur.fetchmany(2)

        #result=cur.fetchone()

        result=cur.fetchall()

        for line in result:

                print line,

        cur.close()

        conn.close()

except MySQLdb.Error,e:

        print 'Mysql error Msg:',e

#######################################################往數據庫批量添加數據

#!/usr/bin/env python

#encoding=utf-8

import MySQLdb

try:

        conn=MySQLdb.connect(host='localhost',user='root',passwd='123456',port=3306)

        cur=conn.cursor()

        try:

                cur.execute('create database python;')

        except:

                pass

        conn.select_db('python')

        try:

                cur.execute('create table host(id INT NOT NULL AUTO_INCREMENT,primary key(id),host varchar(20),user varchar(20));')

        except:

                pass

        values=[]

        print 'aa'

        for i in range(20):

                ip='192.168.1.%s'%i

                user='USER%s'%i

                values.append(('',ip,user))

        cur.executemany('insert into host values(%s,%s,%s)',values)

        conn.commit()

        cur.close()

        conn.close()

except MySQLdb.Error,e:

        print 'Mysql error Msg:',e

##############################################################