Yii中特殊行为ActionFilter的使用方法示例

时间:2022-08-22 22:13:55

新建 app\filters\LoggingFilter 继承 yii\base\ActionFilter

LoggingFilter 的功能: 在指定请求的 action 前后各记录一条日志

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<?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

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<?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);
 }
}

测试

请求 http://yii.test/index.php?r=system/test

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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

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This is a testing for system/test-one.

请求 http://yii.test/index.php?r=system/test-two

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This is a testing for system/test-two.

总结

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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原文链接:https://segmentfault.com/a/1190000037480693