ÞÖæORM
(Object-‐rela�onal
mapping)
*ÉëĜĹħĴāÞþßþClassçÙåWÎÈ
ĜĹħĴëĊIJĬìǤFÛýčIJĕëCNĻĭĸģļçÙåWÎÈ
ĜĹħĴðë\ìUserModelÑûÎÈ
Class
User
extends
Model
{
}
User
Table
=
Class
User
extends
Model
{
protected
name
}
User
Table
-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐
Name
|
varchar(256)
=
$user
=
User::find_by_id(3000);
$user.name
//=
akira
SELECT
*
FROM
user
WHERE
id
=
3000;
//
id
|
name
//
-‐-‐-‐-‐
|-‐-‐-‐-‐-‐
//
3000
|
akira
=
gIêÇĨĶĎIJīĸĎāÛýàõëKoÏ
ĻçÍÎ-ëпÍļ
CoC:
conven�on
over
configura�on
– ì·ës=ÛñÓÖçĻ£=ļāwBØÝÇ(êÛý
DRY:
Don’t
Repeat
Yourself
– Q3ëµì6fë1½Øā49Ù¯cNāwBØÝÇāÚý
ĻvRŀ
No
Once
and
Only
One(
OAOO
)
ļ
KISS:
Keep
it
Simple,
Stupid
– ėĦĞĆćăÒ¼êéýêäþåÇÍ`āJÛýe¸Ò4ÏàüÇ\êV¸ )ãàüÇèþÒµépéëÑ ÑûéÔéýÈ
YAGNI:
You
ain’t
gonna
need
it
– pì>»êLçéýóæì%ÙéÍëÒúÍÈÌçæÎáÿÎçëxëê ãàöëìÇ>»êì10%EÙÑĀþéÍÈÙàÒãåÞþêªøÙàe¸ë 90%ìyÁêéýÈ