我在一个页面中为产品轮播添加了多个“jssor slider”实例，它工作正常但是当我刷新页面时，在主页上加载轮播需要花费大量时间如何减少加载时间传送带？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Carousel Demo - Jssor Slider, Carousel, Slideshow with Javascript Source Code</title>
</head>
<body style="font-family:Arial, Verdana;background-color:#fff;">
<!-- it works the same with all jquery version from 1.x to 2.x -->
<script type="text/javascript" src="examples/js/jquery-1.9.1.min.js"></script>
<!-- use jssor.slider.mini.js (40KB) instead for release -->
<!-- jssor.slider.mini.js = (jssor.js + jssor.slider.js) -->
<script type="text/javascript" src="examples/js/jssor.js"></script>
<script type="text/javascript" src="examples/js/jssor.slider.js"></script>
<script>
jQuery(document).ready(function ($) {
var options = {
$AutoPlay: true, //[Optional] Whether to auto play, to enable slideshow, this option must be set to true, default value is false
$AutoPlaySteps: 1, //[Optional] Steps to go for each navigation request (this options applys only when slideshow disabled), the default value is 1
$AutoPlayInterval: 4000, //[Optional] Interval (in milliseconds) to go for next slide since the previous stopped if the slider is auto playing, default value is 3000
$PauseOnHover: 1, //[Optional] Whether to pause when mouse over if a slider is auto playing, 0 no pause, 1 pause for desktop, 2 pause for touch device, 3 pause for desktop and touch device, 4 freeze for desktop, 8 freeze for touch device, 12 freeze for desktop and touch device, default value is 1
$ArrowKeyNavigation: true, //[Optional] Allows keyboard (arrow key) navigation or not, default value is false
$SlideDuration: 160, //[Optional] Specifies default duration (swipe) for slide in milliseconds, default value is 500
$MinDragOffsetToSlide: 20, //[Optional] Minimum drag offset to trigger slide , default value is 20
$SlideWidth: 200, //[Optional] Width of every slide in pixels, default value is width of 'slides' container
//$SlideHeight: 150, //[Optional] Height of every slide in pixels, default value is height of 'slides' container
$SlideSpacing: 3, //[Optional] Space between each slide in pixels, default value is 0
$DisplayPieces: 4, //[Optional] Number of pieces to display (the slideshow would be disabled if the value is set to greater than 1), the default value is 1
$ParkingPosition: 0, //[Optional] The offset position to park slide (this options applys only when slideshow disabled), default value is 0.
$UISearchMode: 1, //[Optional] The way (0 parellel, 1 recursive, default value is 1) to search UI components (slides container, loading screen, navigator container, arrow navigator container, thumbnail navigator container etc).
$PlayOrientation: 1, //[Optional] Orientation to play slide (for auto play, navigation), 1 horizental, 2 vertical, 5 horizental reverse, 6 vertical reverse, default value is 1
$DragOrientation: 1, //[Optional] Orientation to drag slide, 0 no drag, 1 horizental, 2 vertical, 3 either, default value is 1 (Note that the $DragOrientation should be the same as $PlayOrientation when $DisplayPieces is greater than 1, or parking position is not 0)
$BulletNavigatorOptions: { //[Optional] Options to specify and enable navigator or not
$Class: $JssorBulletNavigator$, //[Required] Class to create navigator instance
$ChanceToShow: 2, //[Required] 0 Never, 1 Mouse Over, 2 Always
$AutoCenter: 0, //[Optional] Auto center navigator in parent container, 0 None, 1 Horizontal, 2 Vertical, 3 Both, default value is 0
$Steps: 1, //[Optional] Steps to go for each navigation request, default value is 1
$Lanes: 1, //[Optional] Specify lanes to arrange items, default value is 1
$SpacingX: 0, //[Optional] Horizontal space between each item in pixel, default value is 0
$SpacingY: 0, //[Optional] Vertical space between each item in pixel, default value is 0
$Orientation: 1 //[Optional] The orientation of the navigator, 1 horizontal, 2 vertical, default value is 1
},
$ArrowNavigatorOptions: {
$Class: $JssorArrowNavigator$, //[Requried] Class to create arrow navigator instance
$ChanceToShow: 1, //[Required] 0 Never, 1 Mouse Over, 2 Always
$AutoCenter: 2, //[Optional] Auto center navigator in parent container, 0 None, 1 Horizontal, 2 Vertical, 3 Both, default value is 0
$Steps: 1 //[Optional] Steps to go for each navigation request, default value is 1
}
};
var jssor_slider1 = new $JssorSlider$('slider1_container', options);
//responsive code begin
//you can remove responsive code if you don't want the slider scales while window resizes
function ScaleSlider() {
var bodyWidth = document.body.clientWidth;
if (bodyWidth)
jssor_slider1.$ScaleWidth(Math.min(bodyWidth, 809));
else
window.setTimeout(ScaleSlider, 30);
}
ScaleSlider();
$(window).bind("load", ScaleSlider);
$(window).bind("resize", ScaleSlider);
$(window).bind("orientationchange", ScaleSlider);
//responsive code end
});
</script>
<!-- Jssor Slider Begin -->
<!-- To move inline styles to css file/block, please specify a class name for each element. -->
<div id='slider1_container' style="position: relative; top: 0px; left: 0px; width: 100%; height: 350px; overflow: hidden;">
<!-- Loading Screen -->
<div u="loading" style="position: absolute; top: 0px; left: 0px;">
<div style="filter: alpha(opacity=70); opacity:0.7; position: relative; display: block;
background-color: #000; top: 0px; left: 0px;width: 100%;height:100%;">
</div>
<div style="position: absolute; display: block; background: url(examples/img/loading.gif) no-repeat center center;
top: 0px; left: 0px;width: 100%;height:100%;">
</div>
</div>
<!-- Slides Container -->
<div u="slides" style="cursor: move; position: absolute; left: 100px; top: 0px; width: 100%; height: 350px; overflow: hidden;">
<?php $i=0; foreach ($_products->getItems() as $_product): ?>
<?php $_products = $this->getProductCollection(); ?>
<?php $_collectionSize = sizeof($_products); ?>
<?php $_columnCount = Mage::getStoreConfig('homepage/options/count'); ?>
<div class="block-content" >
<?php if (sizeof($_products)): ?>
<?php if ($i++%$_columnCount==10): ?>
<ul class="products-grid">
<?php endif ?>
<?php // echo $_product->getData('is_salable') . Mage::getStoreConfig('homepage/options/salable'); ?>
<?php if ($_product->getData('is_salable')): ?>
<li class="item<?php if($i==sizeof($_products) ): ?> last<?php endif; ?>">
<a href="<?php echo $_product->getProductUrl() ?>" title="<?php echo $this->htmlEscape($_product->getName()) ?>" class="product-image"><img src="<?php echo $this->helper('catalog/image')->init($_product, 'thumbnail')->resize(1930); ?>" width="100%" height="140" alt="" /></a>
<div class="product-details">
<p class="product-name"><a href="<?php echo $this->getProductUrl($_product) ?>"><?php echo $this->htmlEscape($_product->getName()) ?></a></p>
<?php if (Mage::getStoreConfig('homepage/options/price')):?>
<?php echo $this->getPriceHtml($_product, true) ?>
<?php endif; ?>
<?php if (Mage::getStoreConfig('homepage/options/actions')):?>
<a class="link-cart" href="<?php echo $this->getAddToCartUrl($_product) ?>" title="<?php echo $this->htmlEscape($_product->getName()) ?>"><?php echo $this->__('Add to Cart') ?></a>
<?php endif; ?>
</div>
</li>
<?php else: ?>
<?php if( Mage::getStoreConfig('homepage/options/salable')) : ?>
<li class="item">
<a href="<?php echo $_product->getProductUrl() ?>" title="<?php echo $this->htmlEscape($_product->getName()) ?>" class="product-image"><img src="<?php echo $this->helper('catalog/image')->init($_product, 'thumbnail')->resize(1930); ?>" width="130" height="130" alt="" /></a>
<div class="product-details">
<p class="product-name"><a href="<?php echo $this->getProductUrl($_product) ?>"><?php echo $this->htmlEscape($_product->getName()) ?></a></p>
<?php if (Mage::getStoreConfig('homepage/options/price')):?>
<?php echo $this->getPriceHtml($_product, true) ?>
<?php endif; ?>
<?php if (Mage::getStoreConfig('homepage/options/actions')):?>
<a class="link-cart" href="<?php echo $this->getAddToCartUrl($_product) ?>" title="<?php echo $this->htmlEscape($_product->getName()) ?>"><?php echo $this->__('Add to Cart ') ?></a>
<?php endif; ?>
</div>
</li>
<?php endif; ?>
<?php endif; ?>
<?php if ($i%$_columnCount==0 || $i==$_collectionSize): ?>
</ul>
<?php endif ?>
<?php else: ?>
<ol id="bestseller-sidebar" class="mini-products-list">
<li class="item odd">
<?php echo Mage::getStoreConfig('homepage/options/noproduct') ?>
</li>
</ol>
<?php endif; ?>
</div>
<?php endforeach; ?>
</div>
<!--#region Bullet Navigator Skin Begin -->
<!-- Help: http://www.jssor.com/development/slider-with-bullet-navigator-jquery.html -->
<style>
/* jssor slider bullet navigator skin 03 css */
/*
.jssorb03 div (normal)
.jssorb03 div:hover (normal mouseover)
.jssorb03 .av (active)
.jssorb03 .av:hover (active mouseover)
.jssorb03 .dn (mousedown)
*/
.jssorb03 {
position: absolute;
}
.jssorb03 div, .jssorb03 div:hover, .jssorb03 .av {
position: absolute;
/* size of bullet elment */
width: 21px;
height: 21px;
text-align: center;
line-height: 21px;
color: white;
font-size: 12px;
background: url(examples/img/b03.png) no-repeat;
overflow: hidden;
cursor: pointer;
}
.jssorb03 div { background-position: -5px -4px; }
.jssorb03 div:hover, .jssorb03 .av:hover { background-position: -35px -4px; }
.jssorb03 .av { background-position: -65px -4px; }
.jssorb03 .dn, .jssorb03 .dn:hover { background-position: -95px -4px; }
</style>
<!-- bullet navigator container -->
<!--#endregion Bullet Navigator Skin End -->
<!--#region Arrow Navigator Skin Begin -->
<!-- Help: http://www.jssor.com/development/slider-with-arrow-navigator-jquery.html -->
<style>
/* jssor slider arrow navigator skin 03 css */
/*
.jssora03l (normal)
.jssora03r (normal)
.jssora03l:hover (normal mouseover)
.jssora03r:hover (normal mouseover)
.jssora03l.jssora03ldn (mousedown)
.jssora03r.jssora03rdn (mousedown)
*/
.jssora03l, .jssora03r {
display: block;
position: absolute;
/* size of arrow element */
width: 55px;
height: 55px;
cursor: pointer;
background: url(examples/img/a03.png) no-repeat;
overflow: hidden;
}
.jssora03l { background-position: -3px -33px; }
.jssora03r { background-position: -63px -33px; }
.jssora03l:hover { background-position: -123px -33px; }
.jssora03r:hover { background-position: -183px -33px; }
.jssora03l.jssora03ldn { background-position: -243px -33px; }
.jssora03r.jssora03rdn { background-position: -303px -33px; }
</style>
<!-- Arrow Left -->
<span u="arrowleft" class="jssora03l" style="top: 123px; left: 8px;">
</span>
<!-- Arrow Right -->
<span u="arrowright" class="jssora03r" style="top: 123px; right: 8px;">
</span>
<!--#endregion Arrow Navigator Skin End -->
<a style="display: none" href="http://www.jssor.com">Bootstrap Slider</a>
</div>
<!-- Jssor Slider End -->
</body>
</html>