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107 lines
2.7 KiB
PHP
107 lines
2.7 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\web;
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use Yii;
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use yii\base\Action;
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use yii\base\Exception;
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use yii\base\UserException;
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/**
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* ErrorAction displays application errors using a specified view.
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*
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* To use ErrorAction, you need to do the following steps:
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*
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* First, declare an action of ErrorAction type in the `actions()` method of your `SiteController`
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* class (or whatever controller you prefer), like the following:
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*
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* ```php
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* public function actions()
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* {
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* return [
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* 'error' => ['class' => 'yii\web\ErrorAction'],
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* ];
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* }
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* ```
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*
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* Then, create a view file for this action. If the route of your error action is `site/error`, then
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* the view file should be `views/site/error.php`. In this view file, the following variables are available:
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*
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* - `$name`: the error name
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* - `$message`: the error message
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* - `$exception`: the exception being handled
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*
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* Finally, configure the "errorHandler" application component as follows,
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*
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* ```php
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* 'errorHandler' => [
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* 'errorAction' => 'site/error',
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* ]
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* ```
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class ErrorAction extends Action
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{
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/**
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* @var string the view file to be rendered. If not set, it will take the value of [[id]].
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* That means, if you name the action as "error" in "SiteController", then the view name
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* would be "error", and the corresponding view file would be "views/site/error.php".
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*/
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public $view;
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/**
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* @var string the name of the error when the exception name cannot be determined.
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* Defaults to "Error".
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*/
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public $defaultName;
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/**
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* @var string the message to be displayed when the exception message contains sensitive information.
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* Defaults to "An internal server error occurred.".
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*/
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public $defaultMessage;
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public function run()
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{
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if (($exception = Yii::$app->exception) === null) {
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return '';
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}
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if ($exception instanceof HttpException) {
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$code = $exception->statusCode;
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} else {
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$code = $exception->getCode();
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}
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if ($exception instanceof Exception) {
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$name = $exception->getName();
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} else {
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$name = $this->defaultName ?: Yii::t('yii', 'Error');
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}
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if ($code) {
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$name .= " (#$code)";
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}
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if ($exception instanceof UserException) {
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$message = $exception->getMessage();
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} else {
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$message = $this->defaultMessage ?: Yii::t('yii', 'An internal server error occurred.');
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}
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if (Yii::$app->getRequest()->getIsAjax()) {
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return "$name: $message";
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} else {
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return $this->controller->render($this->view ?: $this->id, [
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'name' => $name,
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'message' => $message,
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'exception' => $exception,
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]);
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}
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}
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}
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