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<?php |
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// +---------------------------------------------------------------------- |
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// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
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// +---------------------------------------------------------------------- |
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// | Copyright (c) 2006~2021 http://thinkphp.cn All rights reserved. |
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// +---------------------------------------------------------------------- |
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
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// +---------------------------------------------------------------------- |
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// | Author: liu21st <[email protected]> |
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// +---------------------------------------------------------------------- |
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declare (strict_types = 1); |
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namespace think\route\dispatch; |
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use ReflectionClass; |
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use ReflectionException; |
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use ReflectionMethod; |
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use think\App; |
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use think\exception\ClassNotFoundException; |
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use think\exception\HttpException; |
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use think\helper\Str; |
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use think\route\Dispatch; |
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/** |
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* Controller Dispatcher |
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*/ |
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class Controller extends Dispatch |
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{ |
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/** |
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* 控制器名 |
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* @var string |
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*/ |
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protected $controller; |
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/** |
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* 操作名 |
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* @var string |
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*/ |
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protected $actionName; |
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public function init(App $app) |
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{ |
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parent::init($app); |
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$result = $this->dispatch; |
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if (is_string($result)) { |
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$result = explode('/', $result); |
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} |
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// 获取控制器名 |
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$controller = strip_tags($result[0] ?: $this->rule->config('default_controller')); |
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if (strpos($controller, '.')) { |
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$pos = strrpos($controller, '.'); |
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$this->controller = substr($controller, 0, $pos) . '.' . Str::studly(substr($controller, $pos + 1)); |
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} else { |
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$this->controller = Str::studly($controller); |
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} |
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// 获取操作名 |
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$this->actionName = strip_tags($result[1] ?: $this->rule->config('default_action')); |
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// 设置当前请求的控制器、操作 |
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$this->request |
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->setController($this->controller) |
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->setAction($this->actionName); |
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} |
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public function exec() |
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{ |
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try { |
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// 实例化控制器 |
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$instance = $this->controller($this->controller); |
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} catch (ClassNotFoundException $e) { |
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throw new HttpException(404, 'controller not exists:' . $e->getClass()); |
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} |
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// 注册控制器中间件 |
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$this->registerControllerMiddleware($instance); |
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return $this->app->middleware->pipeline('controller') |
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->send($this->request) |
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->then(function () use ($instance) { |
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// 获取当前操作名 |
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$suffix = $this->rule->config('action_suffix'); |
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$action = $this->actionName . $suffix; |
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if (is_callable([$instance, $action])) { |
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$vars = $this->request->param(); |
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try { |
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$reflect = new ReflectionMethod($instance, $action); |
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// 严格获取当前操作方法名 |
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$actionName = $reflect->getName(); |
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if ($suffix) { |
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$actionName = substr($actionName, 0, -strlen($suffix)); |
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} |
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$this->request->setAction($actionName); |
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} catch (ReflectionException $e) { |
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$reflect = new ReflectionMethod($instance, '__call'); |
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$vars = [$action, $vars]; |
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$this->request->setAction($action); |
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} |
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} else { |
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// 操作不存在 |
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throw new HttpException(404, 'method not exists:' . get_class($instance) . '->' . $action . '()'); |
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} |
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$data = $this->app->invokeReflectMethod($instance, $reflect, $vars); |
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return $this->autoResponse($data); |
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}); |
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} |
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protected function parseActions($actions) |
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{ |
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return array_map(function ($item) { |
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return strtolower($item); |
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}, is_string($actions) ? explode(",", $actions) : $actions); |
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} |
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/** |
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* 使用反射机制注册控制器中间件 |
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* @access public |
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* @param object $controller 控制器实例 |
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* @return void |
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*/ |
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protected function registerControllerMiddleware($controller): void |
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{ |
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$class = new ReflectionClass($controller); |
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if ($class->hasProperty('middleware')) { |
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$reflectionProperty = $class->getProperty('middleware'); |
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$reflectionProperty->setAccessible(true); |
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$middlewares = $reflectionProperty->getValue($controller); |
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$action = $this->request->action(true); |
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foreach ($middlewares as $key => $val) { |
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if (!is_int($key)) { |
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$middleware = $key; |
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$options = $val; |
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} elseif (isset($val['middleware'])) { |
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$middleware = $val['middleware']; |
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$options = $val['options'] ?? []; |
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} else { |
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$middleware = $val; |
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$options = []; |
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} |
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if (isset($options['only']) && !in_array($action, $this->parseActions($options['only']))) { |
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continue; |
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} elseif (isset($options['except']) && in_array($action, $this->parseActions($options['except']))) { |
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continue; |
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} |
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if (is_string($middleware) && strpos($middleware, ':')) { |
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$middleware = explode(':', $middleware); |
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if (count($middleware) > 1) { |
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$middleware = [$middleware[0], array_slice($middleware, 1)]; |
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} |
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} |
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$this->app->middleware->controller($middleware); |
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} |
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} |
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} |
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/** |
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* 实例化访问控制器 |
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* @access public |
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* @param string $name 资源地址 |
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* @return object |
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* @throws ClassNotFoundException |
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*/ |
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public function controller(string $name) |
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{ |
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$suffix = $this->rule->config('controller_suffix') ? 'Controller' : ''; |
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$controllerLayer = $this->rule->config('controller_layer') ?: 'controller'; |
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$emptyController = $this->rule->config('empty_controller') ?: 'Error'; |
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$class = $this->app->parseClass($controllerLayer, $name . $suffix); |
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if (class_exists($class)) { |
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return $this->app->make($class, [], true); |
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} elseif ($emptyController && class_exists($emptyClass = $this->app->parseClass($controllerLayer, $emptyController . $suffix))) { |
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return $this->app->make($emptyClass, [], true); |
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} |
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throw new ClassNotFoundException('class not exists:' . $class, $class); |
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} |
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} |
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