时间:2021-07-01 10:21:17 帮助过:23人阅读
html代码:
<div class="tree"> <nav class='navbar'> <ul class='nav nav-stacked'> <template v-for='item in menus'> <li role='presentation' v-if='!item.children'><a href="#">{{item.text}}</a></li> <li role='presentation' v-if='item.children'><a href="#" v-on:click='toggleChildren(item)'>{{item.text}}<span class='glyphicon' v-bind:class='{ "glyphicon-chevron-right": !item.expanded, "glyphicon-chevron-down": item.expanded }'></span></a> <ul v-show='item.expanded' class="childs"> <li v-for='child in item.children'><a href="#">{{child.text}}</a></li> </ul> </li> </template> </ul> </nav> </div>
js代码:
methods: { toggleChildren: function(item) { item.expanded = !item.expanded; }, }, data() { return { menus:[{ text:'水果', expanded:false, children:[{ text:'苹果', },{ text:'荔枝' },{ text:'葡萄' },{ text:'火龙果' }] },{ text:'好吃的', expanded:false, children:[{ text:'糖', },{ text:'面包' },{ text:'火腿' },{ text:'薯片' },{ text:'碎碎面' }] },{ text:'饮料', expanded:false, children:[] }] } },
效果图:
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