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问题:

I want to include external js file in my php script. I am following zend framework.Right now I am adding js file in controller's init function like this.

public function init() {
    $this->doUserAuthorisation();
    parent::init();
    $this->view->headScript()->appendFile($this->view->baseUrl().'/js/front_cal/jquery-1.3.2.min.js');  
    $this->view->headLink()->setStylesheet($this->view->baseUrl().'/styles/front_cal/calendar.css');
}

problem what i am facing is, js file doesnot include.Is this the right way to include js file?

回答1:

JavaScript (and images, CSS, flash movies, etc) belong to the view layer so configure them there.

For globally included files, add them to your layout, eg

<!-- layout.phtml -->
<head>
    <?php echo $this->headScript()->prependFile(
        $this->baseUrl('path/to/file.js')) ?>
    <?php echo $this->headLink()->prependStylesheet(
        $this->baseUrl('path/to/file.css')) ?>

<!-- snip -->

    <?php echo $this->inlineScript()->prependFile(
        'https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js') ?>
</body>

Your view scripts can then add assets to the helpers which are echoed out in the layout. As the layout uses the prepend*() methods, the global files will be displayed first, eg

<?php // views/scripts/index/index.phtml
$this->inlineScript()->appendFile($this->baseUrl('path/to/script.js'));

回答2:

In above solution the 'path/to/file.js' script will be included in the header twice. There is no need for echo before calling prependFile. Such behaviour can lead to duplicating javascript controls.

 <head> <?php echo $this->headScript()->prependFile( $this->baseUrl('path/to/file.js')) // this will echo out the whole prependFile queue