本文实例讲述了jQuery实现的手风琴侧边菜单效果。分享给大家供大家参考,具体如下:动手
本文实例讲述了jQuery实现的手风琴侧边菜单效果。分享给大家供大家参考,具体如下:
动手做了一个简单手风琴菜单,上图:
点击 B 可收缩 C 列表,点击 C 改变自身和父节点 B 的样式,悬浮时均有不同的样式改变。
先看页面代码,列表的嵌套:
<div id="menuDiv">
<ul id="menu">
<li class="parentLi">
<span>B</span>
<ul class="childrenUl">
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
</ul>
</li>
<li class="parentLi">
<span>B</span>
<ul class="childrenUl">
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
</ul>
</li>
<li class="parentLi">
<span>B</span>
<ul class="childrenUl">
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
<li class="childrenLi"><span>C</span></li>
</ul>
</li>
</ul>
</div>
css 代码,主要设置背景色和子菜单左边框的样式,设置悬浮和选中的样式,开始设置子菜单不显示(通过 js 设置点击之后再显示):
#menuDiv{
width: 200px;
background-color: #029FD4;
}
.parentLi
{
width: 100%;
line-height: 40px;
margin-top: 1px;
background: #1C73BA;
color: #fff;
cursor: pointer;
font-weight:bolder;
}
.parentLi span
{
padding: 10px;
}
.parentLi:hover, .selectedParentMenu
{
background: #0033CC;
}
.childrenUl
{
background-color: #ffffff;
display: none;
}
.childrenLi
{
width: 100%;
line-height: 30px;
font-size: .9em;
margin-top: 1px;
background: #63B8FF;
color: #000000;
padding-left: 15px;
cursor: pointer;
}
.childrenLi:hover, .selectedChildrenMenu
{
border-left: 5px #0033CC solid;
background: #0099CC;
padding-left: 15px;
}
接下来就是点击事件的代码:
$(".parentLi").click(function(event) {
$(this).children('.childrenUl').slideToggle();
});
$(".childrenLi").click(function(event) {
event.stopPropagation();
$(".childrenLi").removeClass('selectedChildrenMenu');
$(".parentLi").removeClass('selectedParentMenu');
$(this).parents(".parentLi").addClass('selectedParentMenu');
$(this).addClass('selectedChildrenMenu');
});
需要注意的是列表嵌套,会导致事件冒泡,所以在子菜单的点击事件里面要组织冒泡,event.stopPropagation(); 详见 API
jQuery 手风琴 侧边菜单