vue.js实现三级菜单效果
本文实例为大家分享了vue.js实现三级菜单的具体代码,供大家参考,具体内容如下
html部分
<div id="warp"> <ul id="menu"> <li class="firstLevel" v-for="(firstList,index) in menuData">{{firstList.title}} <ul v-if="firstList.value"> <li class="secondLevel" v-for="(secondList,index) in firstList.value">{{secondList.title}} <ul class="thirdLevel"> <li v-for="(thirdList,index) in secondList.value2">{{thirdList}}</li> </ul> </li> </ul> </li> </ul> </div>
js部分
var app = new Vue({ el:"#warp", data:{ menuData: { firstList:{ title:'练习册1', value: [ { title:"物理", value2:[ "暑期", "寒假", "周末" ] }, { title:"化学", value2:[ "暑期", "寒假", "周末" ] }, ], }, secondList:{ title:'练习册2', value: [ { title:"政治", value2:[ "暑期", "寒假", "周末" ] }, { title:"地理", value2:[ "暑期", "寒假", "周末" ] }, ], }, thirdList:{ title:'练习册3', value: [ { title:"语文", value2:[ "暑期", "寒假", "周末" ] }, { title:"数学", value2:[ "暑期", "寒假", "周末" ] }, { title:"英语", value2:[ "暑期", "寒假", "周末" ] }, ], } }, }, });
css部分
body{ max-width: 640px; margin: 0px auto; font-size: 14px; color: #666666; background-color: #ffffff; } ul{ padding: 0px; } li{ list-style: none; } #menu{ display: flex; justify-content: space-between; } .firstLevel{ position: relative; min-width: 100px; cursor: pointer; } .secondLevel{ display: none; margin-left: 10px; } .firstLevel:hover .secondLevel{ display: block; } .thirdLevel{ display: none; margin-left: 15px; width: 40px; } .secondLevel:hover .thirdLevel{ display: block; }
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