### :-: **视图核心类**
~~~
<?php
namespace core;
use Twig\Environment;
use Twig\Loader\FilesystemLoader;
use core\twig\TwigExtension;
/**
* View 视图类
*/
class View
{
protected $_controller;
protected $_action;
protected $_assign = array();
function __construct($controller, $action)
{
$this->_controller = strtolower($controller);
$this->_action = strtolower($action);
}
/**
* 视图类 分配变量
* @param $name string
* @param $value
*/
public function assign(string $name, $value)
{
$this->_assign[$name] = $value;
}
/**
* 视图类 Smarty渲染显示
* @param $name string
* @param $path string
*/
public function render(string $name, string $path = '')
{
$config['cache'] = BASE_PATH . '/runtime/view';
if (APP_DEBUG === true) {
$config['strict_variables'] = false;
$config['debug'] = true;
}
$loader = new FilesystemLoader(BASE_PATH . '/view/' . $this->_controller . '/');
$twig = new Environment($loader, $config);
$twig->addExtension(new TwigExtension());
$twig->addGlobal('_GET', $_GET);
$twig->addGlobal('_POST', $_POST);
$twig->addGlobal('_SESSION',(new Session)->all());
echo $twig->render($name . '.html', $this->_assign ?: []);
}
}
~~~
### :-: **自定义标签**
core\twig\TwigExtension.php
~~~
<?php
namespace core\twig;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;
class TwigExtension extends AbstractExtension
{
/**
* NEW 函数
*/
public function getFunctions(): array
{
return [
new TwigFunction('url', [$this, 'url']),
new TwigFunction('asset', [$this, 'asset']),
];
}
/**
* URL 方法
*/
function url($url, $param = []): string
{
return urldecode("/" . strtolower($url) . "?" . http_build_query($param));
}
/**
* ASSET 方法
*/
public function asset($param): string
{
return "/asset/" . $param;
}
}
~~~
~~~
