python 操作 mysql

wxsheng

　　
　　参考地址：http://www.cnblogs.com/rollenholt/archive/2012/05/29/2524327.html
　　

import MySQLdb
try:
conn=MySQLdb.connect(host='localhost',user='root',passwd='root',db='test',port=3306)
cur=conn.cursor()
cur.execute('select * from user')
cur.close()
conn.close()
except MySQLdb.Error,e:
print "Mysql Error %d: %s" % (e.args[0], e.args[1])

import MySQLdb
try:
conn=MySQLdb.connect(host='localhost',user='root',passwd='root',port=3306)
cur=conn.cursor()
cur.execute('create database if not exists python')
conn.select_db('python')
cur.execute('create table test(id int,info varchar(20))')
value=[1,'hi rollen']
cur.execute('insert into test values(%s,%s)',value)
values=[]
for i in range(20):
values.append((i,'hi rollen'+str(i)))
cur.executemany('insert into test values(%s,%s)',values)
cur.execute('update test set info="I am rollen" where id=3')
conn.commit()
cur.close()
conn.close()
except MySQLdb.Error,e:
print "Mysql Error %d: %s" % (e.args[0], e.args[1])

import MySQLdb
try:
conn=MySQLdb.connect(host='localhost',user='root',passwd='root',port=3306)
cur=conn.cursor()
conn.select_db('python')
count=cur.execute('select * from test')
print 'there has %s rows record' % count
result=cur.fetchone()
print result
print 'ID: %s info %s' % result
results=cur.fetchmany(5)
for r in results:
print r
print '=='*10
cur.scroll(0,mode='absolute')
results=cur.fetchall()
for r in results:
print r[1]

conn.commit()
cur.close()
conn.close()
except MySQLdb.Error,e:
print "Mysql Error %d: %s" % (e.args[0], e.args[1])