这篇文章主要给大家介绍了关于Yii中特殊行为ActionFilter的使用方法,文中通过示例代码介绍的非常详细,对大家的学习或者工作具有一定的参考学习价值,需要的朋友们下面随着小编来一起学习学习吧
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LoggingFilter 的功能: 在指定请求的 action 前后各记录一条日志
<?php
namespace app\filters;
use yii\base\ActionFilter;
class LoggingFilter extends ActionFilter
{
public function beforeAction($action)
{
parent::beforeAction($action);
// To do something
printf('This is a logging for %s\beforeAction.%s', $this->getActionId($action), PHP_EOL);
return true;
}
public function afterAction($action, $result)
{
parent::afterAction($action, $result);
// To do something
printf('This is a logging for %s\afterAction.%s', $this->getActionId($action), PHP_EOL);
return true;
}
}
新建 app\controllers\SystemController
<?php
namespace app\controllers;
use app\filters\LoggingFilter;
class SystemController extends \yii\web\Controller
{
public function behaviors()
{
parent::behaviors();
return [
'anchorAuth' => [
'class' => LoggingFilter::className(),
'only' => ['test', 'test-one'], // 仅对 'test'、'test-one' 生效
'except' => ['test-one'], // 排除 'test-one'
],
];
}
public function actionTestOne()
{
printf('This is a testing for %s.%s', $this->getRoute(), PHP_EOL);
}
public function actionTestTwo()
{
printf('This is a testing for %s.%s', $this->getRoute(), PHP_EOL);
}
public function actionTest()
{
printf('This is a testing for %s.%s', $this->getRoute(), PHP_EOL);
}
}
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请求 http://yii.test/index.php?r=system/test
This is a logging for test\beforeAction.
This is a testing for system/test.
This is a logging for test\afterAction.
请求 http://yii.test/index.php?r=system/test-one
This is a testing for system/test-one.
请求 http://yii.test/index.php?r=system/test-two
This is a testing for system/test-two.
Yii中特殊行为ActionFilter的使用方法示例
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Yii 中的 ActionFilter(过滤器)相当于 Laravel 中的 Middleware(中间件),beforeAction 相当于前置中间件,afterAction 相当于后置中间件。
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来源:脚本之家
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