oko*_*oko 9 html css jquery icons jquery-ui
我想使用jQuery UI图标集中的图标来设置无序列表的样式.
<div>
<ul>
<li>John Doe</li>
<li>Jack Snow</li>
<li>Mary Moe</li>
</ul>
</div>
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默认情况下,此列表在每个元素前面都带有点:
相反,我想用一个图标替换点,如ui-icon-person
怎么做到这一点?
我知道这个问题有点过时了 - 但这是一个完全有效的例子:
HTML:
<div>
<ul class="icon person">
<li>John Doe</li>
<li>Jack Snow</li>
<li>Mary Moe</li>
</ul>
</div>
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CSS:
ul.icon {
list-style: none; /* This removes the default bullets */
padding-left: 20px; /* This provides proper indentation for your icons */
}
ul.icon li {
position: relative; /* Allows you to absolutely place the :before element
relative to the <li>'s bounding box. */
}
ul.icon.person li:before {
background: url(/images/ui-icons_888888_256x240.png) -144px -96px;
/* ex: download.jqueryui.com/themeroller/images/ui-icons_888888_256x240.png */
/* The -144px, -96px coordinate is the location of the 16x16 Person icon */
/* The next 2 lines are necessary in order to make the :before pseudo-element
appear, and thereby show it's background, your icon. */
content: '';
display: inline-block;
/* Absolute is always in relation to the nearest positioned parent. In this
case, that's the <li> with _relative_ positioning, above. */
position: absolute;
left: -16px; /* Places the icon 16px left of the <li>'s edge */
top: 2px; /* Adjust this based on your font-size and line-height */
height: 16px; width: 16px; /* jQuery UI icons (with spacing) are 16x16 */
}
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我使用:before伪元素的原因是你想要使用jQuery-UI图标 - 它以精灵地图的形式出现.换句话说 - 所有图标都在单个图像中的网格图案中找到,如下例所示:
资料来源:http://download.jqueryui.com/themeroller/images/ui-icons_888888_256x240.png

如果您只想制作该<li>图像的背景,那么在不显示所有邻居的情况下制作所需的单个图标会更复杂.:before但是,通过使用元素,您可以为图标创建一个较小16px的16px框,从而可以轻松修剪为仅显示一个图标.
如果您想了解更多关于:before和:after伪元素,看看这个梦幻般的文章作为一个起点.
ul li {
list-style-type: none;
background: url('your/path/image.png') no-repeat left center;
}
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您可能还需要添加一些左侧填充。