yii2 RESTful API 405 Method Not Allowed

关于 Yii2 中 RESTful API 的开发，可以参考另一篇随笔 http://www.cnblogs.com/ganiks/p/yii2-restful-api-dev.html

测试的过程中遇到一个这样的问题，报错 405 yii2 RESTful API 405 Method Not Allowed

比如请求 PUT 方法的 http://192.168.4.126/news/162?access-token=100-token

{

    "type": "yii\\web\\MethodNotAllowedHttpException",

    "name": "Method Not Allowed",

    "message": "Method Not Allowed. This url can only handle the following request methods: GET, HEAD.",

    "code": 0,

    "status": 405

}

这里由于不是在 yii2 的前台框架体系中，因此没有看到堆栈的调试信息，但是要调试也要找到这个报错 message 的所在：

yii2\filters\VerbFilter.php

    public function beforeAction($event)

    {

        $action = $event->action->id;

        if (isset($this->actions[$action])) {

            $verbs = $this->actions[$action];

        } elseif (isset($this->actions['*'])) {

            $verbs = $this->actions['*'];

        } else {

            return $event->isValid;

        }

        $verb = Yii::$app->getRequest()->getMethod();

        $allowed = array_map('strtoupper', $verbs);

        if (!in_array($verb, $allowed)) {

            $event->isValid = false;

            // http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.7

            Yii::$app->getResponse()->getHeaders()->set('Allow', implode(', ', $allowed));

            throw new MethodNotAllowedHttpException('Method Not Allowed. This url can only handle the following request methods: ' . implode(', ', $allowed) . '.');

        }

        return $event->isValid;

    }

这里调试打印一下 $action ，发现每次无论传入什么 $event 其 ->action->id 都是 view

因此我断定问题出在 URL, yii 没有正确辨识出 http://192.168.4.126/news/163

去看看 config 中的 URLManager Rules，这里当时多余的把老式的 url rules 放在这里，去掉试试

			'rules' => [

				#'<controller:\w+>/<id:\d+>' => '<controller>/view',

				#'<controller:\w+>/<action:\w+>/<id:\d+>' => '<controller>/<action>',

				#'<controller:\w+>/<action:\w+>' => '<controller>/<action>',

				['class' => 'yii\rest\UrlRule', 'controller' => ['users', 'news']],

			],

果然，解决了问题

巴特西

yii2 RESTful API 405 Method Not Allowed

yii2\filters\VerbFilter.php

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