Wọn jẹ ọna ti o rọrun lati tẹsiwaju data fun olumulo lọwọlọwọ. Ikẹkọ yii yoo fun ọ ni awọn ipilẹ ti ṣiṣẹ pẹlu awọn akoko ni Laravel.
Ni Laravel, igba kan jẹ ọna lati tọju alaye, lati mu awọn ibeere ti olumulo ṣe ni deede. Nigbati olumulo kan ba bẹrẹ ohun elo Laravel, igba kan yoo bẹrẹ laifọwọyi fun olumulo yẹn. Awọn data igba ti wa ni ipamọ sori olupin ati pe kuki kekere kan ti o ni idamo oto ni a fi ranṣẹ si ẹrọ aṣawakiri olumulo lati ṣe idanimọ igba naa.
O le lo igba lati fipamọ data ti o fẹ lati lo kọja awọn oju-iwe pupọ tabi awọn ibeere. Fun apẹẹrẹ, o le lo igba fun ijẹrisi olumulo tabi tọju alaye miiran ti o fẹ lati lo lakoko igba lori ohun elo rẹ.
Lati lo awọn akoko ni Laravel, o gbọdọ kọkọ mu wọn ṣiṣẹ ninu faili naa config/session.php
ti iṣeto ni. Ninu faili yii o ṣee ṣe lati ṣeto awọn aye atunto ti o ni ibatan si awọn akoko. Fun apẹẹrẹ iye akoko igba, awakọ lati lo fun titoju data igba, ati ipo ibi ipamọ fun data igba.
Ni isalẹ jẹ apẹẹrẹ ti faili kan sessions.php
pẹlu igba akoko 120 aaya, lilo awọn faili ti o ti fipamọ ni awọn liana framework/sessions
:
<?php
use Illuminate\Support\Str;
return [
'driver' => env('SESSION_DRIVER', 'file'),
'lifetime' => env('SESSION_LIFETIME', 120),
'expire_on_close' => false,
'encrypt' => false,
'files' => storage_path('framework/sessions'),
'connection' => env('SESSION_CONNECTION', null),
'table' => 'sessions',
'store' => env('SESSION_STORE', null),
'lottery' => [2, 100],
'cookie' => env(
'SESSION_COOKIE',
Str::slug(env('APP_NAME', 'laravel'), '_').'_session'
),
'path' => '/',
'domain' => env('SESSION_DOMAIN', null),
'secure' => env('SESSION_SECURE_COOKIE'),
'http_only' => true,
'same_site' => 'lax',
];
O tun le tunto igba pẹlu lilo awọn oniyipada ayika ninu faili naa .env
. Fun apẹẹrẹ, lati lo awakọ igba ipamọ data ati data igba ipamọ ni tabili igba kan, pẹlu MySQL-type DB, o le ṣeto awọn oniyipada ayika wọnyi:
SESSION_DRIVER=database
SESSION_LIFETIME=120
SESSION_CONNECTION=mysql
SESSION_TABLE=sessions
Awọn ọna mẹta lo wa lati ṣiṣẹ pẹlu data igba ni Laravel:
helper
della global session
;Request instance
. Ni gbogbo awọn iṣẹlẹ wọnyi, data ti o fipamọ sinu igba yoo wa ni awọn ibeere atẹle ti olumulo kan naa ṣe titi ti igba akoko yoo fi pari tabi ti a fi ọwọ parẹ.
Ni Laravel, lilo iṣẹ naa Global Session Helper
o jẹ ọna ti o rọrun lati wọle si awọn iṣẹ igba ti a pese nipasẹ ilana. O gba ọ laaye lati fipamọ ati gba data lati igba inu ohun elo rẹ. Eyi jẹ apẹẹrẹ ti bi o ṣe le lo session helper
:
// Store data in the session
session(['key' => 'value']);
// Retrieve data from the session
$value = session('key');
// Remove data from the session
session()->forget('key');
// Clearing the Entire Session
session()->flush();
O tun le kọja iye iṣaajudefinite bi ariyanjiyan keji si iṣẹ naa session
, eyi ti yoo da pada ti bọtini ti a ko ba ri ni igba:
$value = session('key', 'default');
Session Request
Ni Laravel, apẹẹrẹ ibeere igba kan tọka si ohun kan ti o ṣe aṣoju ibeere HTTP ati pe o ni alaye ninu ibeere naa, gẹgẹbi ọna ibeere (GET, POST, PUT, ati bẹbẹ lọ), URL ibeere, awọn akọle ti ibeere ati ara ibeere . O tun ni awọn ọna oriṣiriṣi ti o le ṣee lo lati gba ati ṣe afọwọyi alaye yii.
Ni deede o wọle si apẹẹrẹ ti Session Request
nipasẹ oniyipada $request
ni ohun elo Laravel. Fun apẹẹrẹ, igba kan le wọle nipasẹ apẹẹrẹ ibeere nipa lilo iṣẹ oluranlọwọ session()
.
use Illuminate\Http\Request;
class ExampleController extends Controller
{
public function example(Request $request)
{
// Store data in the session using the put function
$request->session()->put('key', 'value');
// Retrieve data from the session using the get function
$value = $request->session()->get('key');
// Check if a value exists in the session using the has function:
if ($request->session()->has('key')) {
// The key exists in the session.
}
// To determine if a value exists in the session, even if its value is null:
if ($request->session()->exists('users')) {
// The value exists in the session.
}
// Remove data from the session using the forget function
$request->session()->forget('key');
}
}
Ni apẹẹrẹ yii, iyipada $request
o jẹ ẹya apẹẹrẹ ti awọn kilasi Illuminate\Http\Request
, eyiti o duro fun ibeere HTTP lọwọlọwọ. Iṣẹ naa session
ìbéèrè ìbéèrè pada ohun apẹẹrẹ ti awọn kilasi Illuminate\Session\Store
, eyi ti o pese orisirisi awọn iṣẹ fun ṣiṣẹ pẹlu awọn igba.
Ercole Palmeri
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