JS焦点图代码，幻灯片，图片切换代码

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引入JS
- 3.0.0 2.2.0 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.3 2.0.2 2.0.1 2.0.0 1.12.0 1.11.3 1.11.2 1.11.1 1.11.0 1.10.2 1.10.1 1.10.0 1.9.1 1.9.0 1.8.3 1.8.2 1.8.1 1.8.0 1.7.2 1.7.1 1.7 1.6.4 1.6.2 1.6.1 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0
- 1.7.3 1.7.2 1.7.1.0 1.7.0.0
- 2.0.0-beta.0 2.0.0-alpha.55 1.5.0-rc.0 1.4.8 1.4.0 1.3.20 1.2.29 1.1.5 1.0.8
- 1.8.3 1.7.0 1.6.0 1.5.2 1.4.4 1.3.3 1.2.4 1.1.7
- 1.10.4 1.9.7 1.8.10 1.7.8 1.6.3 1.5.4 1.4.6 1.3.3
- core1.6.0 core-compat1.6.0 core1.5.2 core-compat1.5.2 core-full-compat-yc1.4.5 core-full-compat1.4.5 core-full-nocompat-yc1.4.5 core-full-nocompat1.4.5
- 1.4.2 1.4.1 1.4.0 1.3.0 1.2.0 1.1.0
- 3.7.3 3.7.2 3.7.1 3.7.0 3.7 3.6.2 3.6.1 3.6

引入框架
- 1.4.5 1.4.4 1.4.3 1.4.2 1.4.1 1.4.0 1.3.2
- 1.11.4 1.11.3 1.11.2 1.11.1 1.11.0 1.10.4 1.10.3 1.10.2
- 3.3.6 3.3.5 3.3.0 3.2.0 2.3.2

汉王

HTML代码

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>An HTML5 Slideshow w/ Canvas &amp; jQuery</title>
<style>
*{
	margin:0;
	padding:0;
}
body{
	color:#eee;
	background:url('//ku.shouce.ren/files/images/201601/56a354f903daf.jpg') repeat-x #0c0d10;
	font:13px "Lucida Sans Unicode",Arial,Helvetica,sans-serif;
}

#slideshow{
	background-color:#F5F5F5;
	border:1px solid #FFFFFF;
	height:340px;
	margin:150px auto 0;
	position:relative;
	width:640px;
	
	-moz-box-shadow:0 0 22px #111;
	-webkit-box-shadow:0 0 22px #111;
	box-shadow:0 0 22px #111;
}

#slideshow ul{
	height:320px;
	left:10px;
	list-style:none outside none;
	overflow:hidden;
	position:absolute;
	top:10px;
	width:620px;
}

#slideshow li{
	position:absolute;
	display:none;
	z-index:10;
}

#slideshow li:first-child{
	display:block;
	z-index:1000;
}

#slideshow .slideActive{
	z-index:1000;
}

#slideshow canvas{
	display:none;
	position:absolute;
	z-index:100;
}

#slideshow .arrow{
	height:86px;
	width:60px;
	position:absolute;
	background:url('//ku.shouce.ren/files/images/201601/56a354f97d88b.png') no-repeat;
	top:50%;
	margin-top:-43px;
	cursor:pointer;
	z-index:5000;
}
#slideshow .previous{ background-position:left top;left:0;}
#slideshow .previous:hover{ background-position:left bottom;}
#slideshow .next{ background-position:right top;right:0;}
#slideshow .next:hover{ background-position:right bottom;}
p.tzine{
	text-align:center;
	font-size:12px;
	margin:50px;
}

p.credit{
	text-align:center;
	color:#888;
	font-size:10px;
}

p.credit a,
p.credit a:visited{
	color:#ccc;
	border-bottom-color:#aaa;
}

p.credit a:hover{
	border-bottom-color:transparent;
}

a, a:visited {
	text-decoration:none;
	outline:none;
	border-bottom:1px dotted #97cae6;
	color:#97cae6;
}

a:hover{
	border-bottom:1px dashed transparent;
}

.clear{
	clear:both;
}
</style>
</head>
<body>
<div id="slideshow">
	<ul class="slides">
    	<li><img src="//ku.shouce.ren/files/images/201601/56a34a17e7e03.jpg" width="620" height="320" alt="Marsa Alam underawter close up" /></li>
        <li><img src="//ku.shouce.ren/files/images/201601/56a34a1903d7e.jpg" width="620" height="320" alt="Turrimetta Beach - Dawn" /></li>
        <li><img src="//ku.shouce.ren/files/images/201601/56a34a1a190aa.jpg" width="620" height="320" alt="Power Station" /></li>
        <li><img src="//ku.shouce.ren/files/images/201601/56a34a1b7ecee.jpg" width="620" height="320" alt="Colors of Nature" /></li>
    </ul>

<span class="arrow previous"></span>
    <span class="arrow next"></span>
</div>  
<script type="text/javascript" src="//apps.bdimg.com/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
$(window).load(function(){
	var supportCanvas = 'getContext' in document.createElement('canvas');
	var slides = $('#slideshow li'),
		current = 0,
		slideshow = {width:0,height:0};

setTimeout(function(){	
		window.console && window.console.time && console.time('Generated In');	
		if(supportCanvas){
			$('#slideshow img').each(function(){
				if(!slideshow.width){
					slideshow.width = this.width;
					slideshow.height = this.height;
				}
				createCanvasOverlay(this);
			});
		}
		window.console && window.console.timeEnd && console.timeEnd('Generated In');
		$('#slideshow .arrow').click(function(){
			var li			= slides.eq(current),
				canvas		= li.find('canvas'),
				nextIndex	= 0;
			if($(this).hasClass('next')){
				nextIndex = current >= slides.length-1 ? 0 : current+1;
			}
			else {
				nextIndex = current <= 0 ? slides.length-1 : current-1;
			}

var canvas			= document.createElement('canvas'),
		canvasContext	= canvas.getContext("2d");
		canvas.width = slideshow.width;
		canvas.height = slideshow.height;
		canvasContext.drawImage(image,0,0);
		var imageData	= canvasContext.getImageData(0,0,canvas.width,canvas.height),
			data		= imageData.data;
		for(var i = 0,z=data.length;i<z;i++){
			data[i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
			data[++i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
			data[++i] = ((data[i] < 128) ? (2*data[i]*data[i] / 255) : (255 - 2 * (255 - data[i]) * (255 - data[i]) / 255));
			++i;
		}
		canvasContext.putImageData(imageData,0,0);
		image.parentNode.insertBefore(canvas,image);
	}
});

$(window).load(function(){
	var timeOut = null;
	$('#slideshow .arrow').click(function(e,simulated){
		if(!simulated){			
			clearTimeout(timeOut);
		}
	});
	(function autoAdvance(){
		$('#slideshow .next').trigger('click',[true]);
		timeOut = setTimeout(autoAdvance,5000);		
	})();

});
</script>
</body>
</html>

CSS代码

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JS代码

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运行代码

简介

请输入代码名称！

名称

JS焦点图代码，幻灯片，图片切换代码

分类

图片代码

描述

JS焦点图代码，幻灯片，图片切换代码，使用了jQuery插件，是一个运用了HTML5技术实现的图片特效，非常棒，值得借鉴。点击运行，您可查看效果。