Python MySQLdb ²éѯ·µ»Ø×Öµä½á¹¹
Python MySQLdb ²éѯ·µ»Ø×Öµä½á¹¹ smallfish
MySQLdbĬÈϲéѯ½á¹û¶¼ÊÇ·µ»Øtuple£¬Êä³öʱºò²»ÊǺܷ½±ã£¬±ØÐë°´ÕÕ0£¬1ÕâÑù¶ÁÈ¡£¬ÎÞÒâÖÐÔÚÍøÉÏÕÒµ½¼òµ¥µÄÐ޸ķ½·¨£¬¾ÍÊÇ´«µÝÒ»¸öcursors.DictCursor¾ÍÐС£
ĬÈϳÌÐò£º
import MySQLdb
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test')
cursor = db.cursor()
cursor.execute('select * from user')
rs = cursor.fetchall()
print rs
# ·µ»ØÀàËÆÈçÏÂ
# ((1000L, 0L), (2000L, 0L), (3000L, 0L))
Ð޸ĺó£º
import MySQLdb
import MySQLdb.cursors
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test',
cursorclass = MySQLdb.cursors.DictCursor)
cursor = db.cursor()
cursor.execute('select * from user')
rs = cursor.fetchall()
print rs
# ·µ»ØÀàËÆÈçÏÂ
# ({'age': 0L, 'num': 1000L}, {'age': 0L, 'num': 2000L}, {'age': 0L, 'num': 3000L})
»òÕßÒ²¿ÉÒÔÓÃÏÂÃæÌæ»»connectºÍcursor²¿·Ö
db = MySQLdb.connect(host = 'localhost', user = 'root', passwd = '123456', db = 'test')
cursor = conn.cursor(cursorclass = MySQLdb.cursors.DictCursor)
Ïà¹ØÎĵµ£º
list.append(item)
list.extend(sequence)
http://docs.python.org/tutorial/datastructures.html
http://docs.python.org/library/functions.html Õ⼸Ìì¿´Ò»ÏÂ
python howto
¶÷¡£python documentation ȷʵºÜºÃºÜÇ¿´ó°¡£¡
list.append(x)Add an item to the end of the list; equivalent to a[len(a):]&n ......
½ñÌìÓöµ½ÁËÂé·³£º
ÓÃEclipse±àÒëpythonÏòsqliteÊý¾Ý¿â²åÈëÊý¾Ý×ÜÊÇÌáʾ±àÂëµÄÎÊÌ⣬ÎÒÉèÖÃÁËEclipseµÄworkspaceÓÃutf-8±àÂ뻹ÊDz»ÐÐ
µ«ÊÇÓÃEclipseдµÄ³ÌÐò±£´æÔÙÓÃIDLE´ò¿ªÈ´ÄܱàÒë£¬Ææ¹ÖÁË
ÎÒ¿¼Âǵ½¿ÉÄÜÊÇÅäÖõÄÔÒò£¬ÕÒÕÒ±éÁËËùÓеÄÅäÖ㬶¼Ã»ÓÐÎÊÌ⣬°üÀ¨¹¤³ÌÎļþ
×îºóÎÒÓÃxvi32´ò¿ ......
[Ô´´]Python(pysvn)ÌáÈ¡svn°æ±¾¼ä¸Ä¶¯ÎļþÁбí
by AKara 2010.04.29 @ http://blog.csdn.net/akara @ akaras@163.com
---------------------------------------------------------------------
Ï£ÍûʵÏÖÒ»¸öÌáÈ¡Á½¸ösvn revision¼äÓб䶯(Ôö/ɾ/¸Ä)µÄÎļþµÄÁбí
µÄÃüÁîÐй¤¾ß£»¿ÉÒÔ°ïÎÒÃÇÏîÄ¿×öһЩÁ÷ ......
¹Ø¼ü×Ö: python
Python¡¢UnicodeºÍÖÐÎÄ[ת]
pythonµÄÖÐÎÄÎÊÌâÒ»Ö±ÊÇÀ§ÈÅÐÂÊÖµÄÍ·ÌÛÎÊÌ⣬ÕâÆªÎÄÕ½«¸øÄãÏêϸµØ½²½âÒ»ÏÂÕâ·½ÃæµÄ֪ʶ¡£µ±È»£¬¼¸ºõ¿ÉÒÔÈ·¶¨µÄÊÇ£¬ÔÚ½«À´µÄ°æ±¾ÖУ¬python»á³¹µ×½â¾ö´ËÎÊÌ⣬²»ÓÃÎÒÃÇÕâôÂé·³ÁË¡£
ÏÈÀ´¿´¿´pythonµÄ°æ±¾£º
>>> import sys
>> ......
%a ÐÇÆÚ¼¸µÄ¼òд
%A ÐÇÆÚ¼¸µÄÈ«³Æ
%b Ô·ֵļòд
%B Ô·ݵÄÈ«³Æ
%c ±ê×¼µÄÈÕÆÚµÄʱ¼ä´®
%C
Äê·ÝµÄºóÁ½Î»Êý×Ö
%d Ê®½øÖƱíʾµÄÿÔµĵڼ¸Ìì
%D ÔÂ/Ìì/Äê
%e ÔÚÁ½×Ö·ûÓòÖУ¬Ê®½øÖƱíʾµÄÿÔµĵڼ¸Ìì
%F
Äê-ÔÂ-ÈÕ
%g Äê·ÝµÄºóÁ½Î»Êý×Ö£¬Ê¹ÓûùÓÚÖܵÄÄê
%G Äê·Ö£¬Ê¹ÓûùÓÚÖܵÄÄê
%h ¼òдµÄÔ·ÝÃû ......