CSS鼠标经过图片变亮,移开变变暗效果代码怎么写 谁给我写一段鼠标经过图片逐渐变亮,离开逐渐暗回来的jQuer...
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div{ float: left; width: 180px; height: 180px; margin: 0 auto; background: url(Zombatar_1.jpg) center center no-repeat; z-index: 1;}a{ filter: alpha(opacity=80); opacity: 0.8; width: 180px; height: 180px; display: block; background: #333; z-index: 100;}a:hover{ filter: alpha(opacity=0); opacity: 0;}ie7\uff0c8\uff0c9\u6d4b\u8bd5\u901a\u8fc7\uff0c\u8c37\u6b4c\u6d4b\u8bd5\u901a\u8fc7\uff0c\u5176\u4f59\u7684\u6d4f\u89c8\u5668\u6ca1\u6d4b
$('img').hover(function(){
$(this).stop(true).animate({opacity:0.8},300)
},function(){
$(this).stop(true).animate({opacity:1},300)
})
1、打开hbuilder,在空白的html文件上面设置一个div,给div一个class并命名为img:
2、在css里设置img的类一定的宽和高,引入示例图片,设置图片为不重复。并且给img的类设置“:hover”伪类,设置伪类内的透明度为0.6:
3、打开浏览器,在浏览器内查看效果:
4、将鼠标移入图片,就会发现图片已经变亮了。以上就是用CSS设置鼠标经过图片变亮,移开变变暗效果的演示:
原理就是制作两套样式,分别运用在鼠标放上和拿开的时候,比如楼下的同学说的:
img {opacity:0.8;filter(alpha=80)}
img:hover {opacity:1;filter(alpha=100)}
但是用透明度的方法似乎没有变亮,变暗的效果。
建议可以在图片上加一个层来控制:
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>JS Bin</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<style>
#tabbox{ width: 300px; height: 300px; position: relative;}
.imgbg{width: 300px; height: 300px; top: 0; left: 0; position: absolute; background: #000; opacity:0;filter(alpha=0)}
.imgbg:hover{ opacity:0.5;filter(alpha=50)}
</style>
</head>
<body>
<div id="tabbox">
<img src="/6rooms/html/img/1.jpg" alt="">
<div class="imgbg"></div>
</div>
</body>
</html>
希望能帮到你!
加hover的CSS即可。
img {opacity:0.8;;filter(alpha=80)}
img:hover {opacity:1;filter(alpha=100)}
img:hover {
opacity:0.7;
filter:alpha(opacity=70);
}
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