Usage of widgets in Yii, Yiiwidget usage _php tutorial

Usage of widgets in Yii, Yiiwidget usage

This example describes the use of widgets in Yii. Share to everyone for your reference. The specific analysis is as follows:

The widget definition is simple, if you set up a widget named "testwidget.php" under/protected/widget/test/.

Calls in the view need to be written like this:
Copy the Code code as follows: <?php
$this->beginwidget (' Application.widget.test.testWidget ');
?>
//... Possible widgets need to be used here for the main content ...
<?php
$this->endwidget ();
?>
How the testwidget.php file is defined:
Copy the Code code as follows:/**
* Test Widget
*/
Class Testwidget extends CWidget
{
Public Function init ()
{
This method is executed when $this->beginwidget () is executed in the view
Query data operations can be done here
}

Public Function Run ()
{
This method is executed when the $this->endwidget () is executed in the view
You can do the rendering attempt here, note that the view mentioned here is the widget view
Note that the widget view is placed under the views directory that is similar to the widget, for example, the following view is placed in the
/protected/widget/test/views/test.php
$this->render (' Test ', Array (
' str ' = ' widget view variable ',
));
}
}

It is hoped that this article is helpful to the PHP program design based on YII framework.

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