项目地址:https://github.com/ayuayue/php-frame
制作一个PHP简易框架(十)– Session and Cookie
对于一个 web
系统来说,一个用户的状态管理基本是必须的,但由于 http
连接是无法保存状态的,所以 session , cookie
便被设计了出来。
php
默认的 session
存储方式是 文件存储。但对于现代的大型应用,一般都是将 session
存入到 db ,redis
中进行持久化。
Session
# bootstrap/app.php
session_save_path(__DIR__ . '../storage/sessions');
session_start();
# app\Controller\HomeController.php
public function index($request)
{
$_SESSION['name'] = config('name');
dump($_SESSION['name']);
}
如果获取到 session
说明开启成功。
session
接口sessin
的存储方式因项目需求可能会改变,所以要定义一个统一的接口,用来规范每个存储类需要完成的操作。
# app\Service\Session\SessionInterface.php
<?php
namespace App\Service;
interface SessionInterface
{
public function has($key);
public function set($key,$value);
public function get($key,$value);
public function del(...$key);
}
定义文件存储方式,实现接口
# app\Serice\Session\FileSession.php
<?php
namespace App\Service\Session;
class FileSession implements SessionInterface
{
public function has($key)
{
return isset($_SESSION[$key]) && !empty($key);
}
public function set($key, $value = null)
{
if(is_array($key)){
foreach ($key as $k=>$v){
$_SESSION[$k] = $v;
}
}else{
$_SESSION[$key] = $value;
}
}
public function get($key, $default = null)
{
if ($this->has($key)){
return $_SESSION[$key];
}
if ($default != null){
$_SESSION[$key] = $default;
return $default;
}else{
return $default;
}
}
public function del(...$key)
{
foreach($key as $v){
unset($_SESSION[$v])
}
}
}
Session
服务提供者注册到容器中,使用容器统一管理
# app\Providers\SessionServiceProvider.php
<?php
namespace App\Providers;
use App\Service\Session\FileSession;
use League\Container\ServiceProvider\AbstractServiceProvider;
class SessionServiceProvider extends AbstractServiceProvider
{
protected $provides = [
'session'
];
public function register()
{
$container = $this->getContainer();
$container->add('session',function(){
return new FileSession();
});
}
}
# config/app.php
'providers' => [
App\Providers\AppServiceProvider::class,
App\Providers\ViewServiceProvider::class,
App\Providers\DatabaseServiceProvider::class,
App\Providers\SessionServiceProvider::class,
]
# app\Controller\HomeController.php
class HomeController
{
public function index($request)
{
dump(app('session')->get('name'));
return view('index.twig', compact('user'));
}
}
# helpers.php
if (!function_exists('session')) {
function session()
{
return app('session');
}
# app\Controllers\HomeController.php
class HomeController
{
public function index($request)
{
dump(session()->get('name'));
session()->del('name');
return view('index.twig', compact('user'));
}
}
Cookie
服务有了 session
,就少不了 cookie
,下面来封装 cookie
的方法。
# app\Service\Cookie\Cookie.php
<?php
namespace App\Service\Cookie;
class Cookie
{
protected $path = '/';
protected $domain;
protected $secure = false;
protected $httponly = true;
public function set($key,$value = null,$minutes = 120)
{
$expires = time() + $minutes *60;
if (is_array($key)){
foreach ($key as $k => $v){
setcookie($k,$v,$expires,$this->path,$this->domain,$this->secure,$this->httponly);
}
}else{
setcookie($key,$value,$expires,$this->path,$this->domain,$this->secure,$this->httponly);
}
}
public function has($key)
{
return isset($_COOKIE[$key]) && !empty($key);
}
public function get($key,$default = null)
{
if ($this->has($key)){
return $_COOKIE[$key];
}
if ($default){
$this->set($key,$default);
return $default;
}else{
return $default;
}
}
public function forever($key,$value)
{
$this->set($key,$value,-3600000000);
}
public function del(...$key)
{
foreach($key as $v){
$this->set($v);
}
}
}
# app\Providers\CookieServiceProvider.php
<?php
namespace App\Providers;
use App\Service\Cookie\Cookie;
use League\Container\ServiceProvider\AbstractServiceProvider;
class CookieServiceProvider extends AbstractServiceProvider
{
protected $provides = [
'cookie'
];
public function register()
{
$container = $this->getContainer();
$container->add('cookie',function(){
return new Cookie();
});
}
}
# config/app.php
'providers' => [
App\Providers\AppServiceProvider::class,
App\Providers\ViewServiceProvider::class,
App\Providers\DatabaseServiceProvider::class,
App\Providers\SessionServiceProvider::class,
App\Providers\CookieServiceProvider::class,
]
# helpers.php
if (!function_exists('cookie')) {
function cookie()
{
return app('cookie');
}
}
# app\Controllers\HomeController.php
class HomeController
{
public function index($request)
{
cookie()->set([
'name'=>'1',
'a'=>1
]);
cookie()->del('a','name','age');
$user = 123;
return view('index.twig', compact('user'));
}
}
系列完结。
后面有时间可能还会增加第二阶段的文章。主要包括