126 lines
3.5 KiB
PHP
126 lines
3.5 KiB
PHP
<?php
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namespace system\library;
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use system\decorator\ifs\DecoratorIfs;
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use system\decorator\InitDecorator;
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use system\decorator\ReturnDecorator;
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use system\decorator\StringDecorator;
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use system\library\exception\RouteException;
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use system\library\route\ifs\RouteIfs;
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/**
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* 路由类
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*
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* @author topnuomi 2018年11月19日
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*/
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class Router {
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// 路由实例
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public $route;
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// 装饰器
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public $decorator = [];
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public $module = '';
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public $className = '';
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public $ctrl = '';
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public $action = '';
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public $param = [];
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/**
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* 实例化时注入具体路由实现和默认位置
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* Route constructor.
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* @param RouteIfs $route
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* @param $default
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* @throws RouteException
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*/
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public function __construct(RouteIfs $route, $default) {
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$this->route = $route;
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$this->route->default = $default;
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$this->route->processing();
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$this->module = $this->route->module;
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$this->className = $this->route->className;
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$this->ctrl = $this->route->ctrl;
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$this->action = $this->route->action;
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$this->param = $this->route->param;
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$this->check();
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Register::set('Router', function () {
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return $this->route;
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});
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Register::set('Config', function () {
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return new Config();
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});
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}
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/**
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* 指定装饰器
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* @param DecoratorIfs $decorator
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*/
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public function decorator(DecoratorIfs $decorator) {
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$this->decorator[] = $decorator;
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}
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/**
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* 装饰器前置方法
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*/
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public function beforeRoute() {
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foreach ($this->decorator as $decorator) {
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$decorator->before();
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}
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}
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/**
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* 装饰器后置方法
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* @param $data
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*/
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public function afterRoute($data) {
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$this->decorator = array_reverse($this->decorator);
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foreach ($this->decorator as $decorator) {
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$decorator->after($data);
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}
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}
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/**
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* 执行前进行必要检查
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* @throws RouteException
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*/
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public function check() {
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// 检查模块是否存在
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if (!is_dir(BASEDIR . '/' . APPNS . '/' . $this->module))
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throw new RouteException('模块' . $this->module . '不存在');
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// 检查控制器是否存在
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if (!class_exists($this->className))
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throw new RouteException('控制器' . $this->className . '不存在');
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// 检查方法在控制器中是否存在
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if (!in_array($this->action, get_class_methods($this->className)))
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throw new RouteException('方法' . $this->action . '在控制器' . $this->ctrl . '中不存在');
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}
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/**
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* 调用方法并执行程序
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* @throws exception\BaseException
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*/
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public function handler() {
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$userDecorators = Register::get('Config')->get('decorator');
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$systemDecorators = [InitDecorator::class, ReturnDecorator::class, StringDecorator::class];
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$decorators = array_merge($systemDecorators, $userDecorators);
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foreach ($decorators as $key => $value)
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$this->decorator(new $value());
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$this->beforeRoute();
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$object = new $this->className();
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if (method_exists($object, '_init'))
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$data = $object->_init();
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if (!isset($data) || $data == null) {
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$data = call_user_func_array([
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$object,
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$this->action
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], $this->param);
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}
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$this->afterRoute($data);
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}
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} |