jq实现企业网站横幅焦点图切换

2017-06-01 网页编程网 网页编程网

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery淡出淡入带缩略图幻灯片</title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<style>
.flashBanner{width:782px;height:326px;overflow:hidden;margin:0 auto;}
.flashBanner{position:relative;}
.flashBanner .mask{height:32px;line-height:32px;background-color:#000;width:100%;text-align:right;position:absolute;left:0;bottom:-32px;filter:alpha(opacity=70);-moz-opacity:0.7;opacity:0.7;overflow:hidden;}
.flashBanner .mask img{vertical-align:middle;margin-right:10px;cursor:pointer;}
.flashBanner .mask img.show{margin-bottom:3px;}
</style>
<script type="text/javascript">
$(function(){
	$(".flashBanner").each(function(){
		var timer;
		$(".flashBanner .mask img").click(function(){
			var index = $(".flashBanner .mask img").index($(this));	
			changeImg(index);
		}).eq(0).click();
		$(this).find(".mask").animate({
			"bottom":"0"	
		},700);
		$(".flashBanner").hover(function(){
			clearInterval(timer);	
		},function(){
			timer = setInterval(function(){
				var show = $(".flashBanner .mask img.show").index();
				if (show >= $(".flashBanner .mask img").length-1)
					show = 0;
				else
					show ++;
				changeImg(show);
			},3000);
		});
		function changeImg (index)
		{
			$(".flashBanner .mask img").removeClass("show").eq(index).addClass("show");
			$(".flashBanner .bigImg").parents("a").attr("href",$(".flashBanner .mask img").eq(index).attr("link"));
			$(".flashBanner .bigImg").hide().attr("src",$(".flashBanner .mask img").eq(index).attr("uri")).fadeIn("slow");
		}
		timer = setInterval(function(){
			var show = $(".flashBanner .mask img.show").index();
			if (show >= $(".flashBanner .mask img").length-1)
				show = 0;
			else
				show ++;
			changeImg(show);
		},3000);
	});
});
</script>
</head>
<body>
	<div class="flashBanner">
		<a href="/"><img class="bigImg" width="782" height="326" /></a>
		<div class="mask">
			<img src="/jscss/demoimg/201405/11.jpg" uri="/jscss/demoimg/201405/11.jpg" link="/"  width="60" height="22"/>
			<img src="/jscss/demoimg/201405/22.jpg" uri="/jscss/demoimg/201405/22.jpg" link="/"  width="60" height="22"/>
			<img src="/jscss/demoimg/201405/33.jpg" uri="/jscss/demoimg/201405/33.jpg" link="/"  width="60" height="22"/>
			<img src="/jscss/demoimg/201405/44.jpg" uri="/jscss/demoimg/201405/44.jpg" link="/"  width="60" height="22"/>
			<img src="/jscss/demoimg/201405/55.jpg" uri="/jscss/demoimg/201405/55.jpg" link="/"  width="60" height="22"/>
		</div>
	</div>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</div>
</body>
</html>

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