Phalcon视图 - 芒果文档

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📜 Phalcon视图

📅 最后修改于: 2021-01-07 09:21:49 🧑 作者: Mango

阳台景观

视图表示应用程序的前端。它由嵌入PHP代码中的HTML文件组成，这些PHP文件创建了应用程序的视图。 View将数据从您的应用程序提供给Web浏览器。

Phalcon \ Mvc \ View和Phalcon \ Mvc \ View \ Simple负责管理MVC应用程序的视图层。

将视图与控制器集成

当控制器完成其功能时，视图将自动集成。整个视图组件将在具有最后一个控制器的相同文件名的视图文件夹中查找。

范例：如果要求网址193.168.1.1/javatpoint/phalcon/intro/911

Server Address	193.168.1.1
Phalcon Directory	Javatpoint
Controller	Phalcon
Action	Intro
Parameter	911

实作

view->postId = $postId;
    }
}

层次渲染

它是视图渲染的默认组件，位于目录Phalcon \ MVC \ View下。它的组件自动使用PHP本身作为模板引擎。它具有扩展名.phtml并且视图组件将找到以下3个文件。

Name	File	Description
Action View	app/views/posts/show.phtml	This is the view related to the action. It only will be shown when the showaction is executed.
Controller Layout	app/views/layouts/posts.phtml	This is the view related to the controller. It only will be shown for every action executed within the controller “posts”. All the code implemented in the layout will be reused for all the actions in this controller.
Main Layout	app/views/index.phtml	This is main action it will be shown for every controller or action executed within the application.

实作


This is show view!
I have received the parameter 


This is the "posts" controller layout!
getContent(); ?>




Example


This is Phalcon Tutorial!
getContent(); ?>

输出：

简单渲染

它是Phalcon \ MVC \ View的替代组件，位于Phalcon \ MVC \ View \ Simple下。它类似于MVC \ View，但缺乏层次结构。它允许开发人员控制更改后的视图及其位置。

实作

默认组件更换

set(
    'view',
    function () {
        $view = new SimpleView();
        $view->setViewsDir('../app/views/');
        return $view;
    },
    true
);

现在，要渲染，我们调用render()方法

view->render('index');
        // Render 'views-dir/posts/show.phtml'
        echo $this->view->render('posts/show');
        // Render 'views-dir/index.phtml' passing variables
        echo $this->view->render(
            'index',
            [
                'posts' =>Posts::find(),
            ]
        );
        // Render 'views-dir/posts/show.phtml' passing variables
        echo $this->view->render(
            'posts/show',
            [
                'posts' =>Posts::find(),
            ]
        );
    }
}
Declaring simple() method
Posts::find(),
];
// Phalcon\Mvc\View
$view = new \Phalcon\Mvc\View();
echo $view->render('posts', 'show', $params);
// Phalcon\Mvc\View\Simple
$simpleView = new \Phalcon\Mvc\View\Simple();
echo $simpleView->render('posts/show', $params);
?>

查看活动

Phalcon \ Mvc \ View和Phalcon \ Mvc \ View \ Simple可以将事件发送到EventsManager(如果存在)。

Event Name	Triggered	Break Operation
beforeRender	Triggered before starting the render process	Yes
beforeRenderView	Triggered before rendering an existing view	Yes
afterRenderView	Triggered after rendering an existing view	No
afterRender	Triggered after completing the render process	No
notFoundView	Triggered when a view was not found	No

实作

set(
    'view',
    function () {
        // Create an events manager
        $eventsManager = new EventsManager();
        // Attach a listener for type 'view'
        $eventsManager->attach(
            'view',
            function (Event $event, $view) {
                echo $event->getType(), ' - ', $view->getActiveRenderPath(), PHP_EOL;
            }
        );
        $view = new View();

        $view->setViewsDir('../app/views/');
        // Bind the eventsManager to the view component
        $view->setEventsManager($eventsManager);
        return $view;
    },
    true
);