Laravel??? ???? ???? ???? ?? ??? ??????? ???? ?? ??? ???, ??? ??? ?? ??????. ??? ??? ??? ?? ?? ??? ?? ??? ?????. ?? ????? ?? ??? ???? ? ?? ??? ?? ?? ??? ???? ??? ??? ?? ? ?? ???? ???? ????? ???? ? ?????.
Laravel??? Eloquent ORM? ???? ??? ?? ??? ??? ? ????. ????? Laravel?? Eloquent ??? ???? ? ??? ?? ??? ??? ???? ??? ??? ???????.
- 3?? ??? ???
?? ?? ???, ?? ???, ?? ??? ?? ? ?? ??? ? 3?? ???? ????? ???. ?? ???? ???? ??? ????.
?? ???: users
id | name | |
---|---|---|
1 | Tom | tom@laravel.com |
2 | Jerry | jerry@laravel.com |
3 | Bob | bob@laravel.com |
?? ???: ??
id | order_no | user_id |
---|---|---|
1 | 1001 | 1 |
2 | 1002 | 2 |
3 | 1003 | 3 |
4 | 1004 | 1 |
?? ??? ?? ? ?? ??? :order_items
id | order_id | product_name |
---|---|---|
1 | 1 | apple |
2 | 1 | ??? |
3 | 2 | pear |
4 | 4 | orange |
5 | 4 | grape |
- Laravel ?? ???
Laravel??? ? ?? ??? ???? ???. ?? ???. ??? ??? ? ?? ?? ??? ???? ???.
?? ??? ??: User
class User extends Model { public function orders() { return $this->hasMany(Order::class); } }
?? ??? ??: Order
class Order extends Model { public function user() { return $this->belongsTo(User::class); } public function items() { return $this->hasMany(OrderItem::class); } }
?? ??? ?? ? ?? ??? ??: OrderItem
class OrderItem extends Model { public function order() { return $this->belongsTo(Order::class); } }
- ??? ?? ??
Laravel??? Eloquent ORM? ???? ??? ??? ? ????. ??? ?? ??? ?????. ??? ???? ?? ??? ?? ???? ??? ?? ??? ???? ?? ?????.
$user = User::find(1); foreach ($user->orders as $order) { echo $order->order_no; foreach ($order->items as $item) { echo $item->product_name; } }
? ??? ??? Tom? ?? ??? ?? ???? ??? ?? ??? ?????.
?? Eloquent? ??? ?? ?? ???? ?? ???? ???, ?? ?? ? ? ??? ?? ?? ?? ??? ??? ? ????.
$user = User::with('orders.items')->find(1); foreach ($user->orders as $order) { echo $order->order_no; foreach ($order->items as $item) { echo $item->product_name; } }
? ??? ??? Tom? ?? ??? ? ??? ?? ?? ?? ??? ?????. ?? ??? ?? ? ??? ??? ? ????.
- Summary
Laravel??? Eloquent ORM? ???? ??? ?? ??? ?? ???? ??? ? ????. ??? ??? ???? ??? ?? ??? ??? ?? ???? ?? ?? ? ????. ??? ?? ?? ?? ??? ???? ?? ??? ????? ??????? ?? ????? ????? ?? ?? ????.
? ??? Laravel?? ??? ???? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

? AI ??

Undress AI Tool
??? ???? ??

Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?

AI Clothes Remover
???? ?? ???? ??? AI ?????.

Clothoff.io
AI ? ???

Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!

?? ??

??? ??

???++7.3.1
???? ?? ?? ?? ???

SublimeText3 ??? ??
??? ??, ???? ?? ????.

???? 13.0.1 ???
??? PHP ?? ?? ??

???? CS6
??? ? ?? ??

SublimeText3 Mac ??
? ??? ?? ?? ?????(SublimeText3)

??? ??











Inlaravel, PoliciesorganizeauthorizationLogicFormodELACTIONS.1. POLICIESARECLASSESSWITHMEDSLIKEVIEW, ??, ???? ? ???? ? DELETETHETTRUEORFALSEBASEDONUSERMISSIONS.2. TOREGISTERAPOLICY, MAPTHETEMODELTOITSPOLIDEINTHEATHOUSPOFOFAOFAOFOFAOFOFOFOFOFOFOFOFOFOFOFORRAY.

?, youcaninstalllaravelonanyoperatingsystembofollingthesesteps : 1. installphpandrequiredextensionslikembstring, elsslsl, andxmlusingtoolslikexampponwindows, homebrewonmacos, oraptonlinux; 2.installcomponponwindows

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