jquery手风琴菜单,jquery垂直手风琴菜单先给大家展示效果图： 
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(); 以上代码很简单，代码就是注释，jquery手风琴菜单就实现了。需要的朋友快来参考下吧。
jquery手风琴菜单,jquery垂直手风琴菜单
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