css columns 与overflow结合的问题

想实现上面这样分栏,而且溢出滚动的效果。但是本身下面的代码只能获得横向滚动条。以为出现这个状况以为还蛮有意思的,特意记录一下。javascript

<li v-for="(item,index) in sortsInfo" @click="tabToggle(index)">
	{{item.sortsName}}<i class="xmFont iconDArrow"></i>
	<div class="sortsContent" v-if="index == tabNo">
		<div class="sortsItem">
			<p v-for="(itemlist,index) in item.sortList">{{itemlist}}</p>
		</div>
		<div class="sortsSure">
			<span>重置</span>
			<span>肯定</span>
		</div>
	</div>
</li>

//css

	.sortsContent { 
		width:100%;
		position:absolute;
		top:__(60px);
		left:0;
		color:$deep-gray;
		.sortsItem{	
			width:100%;
			box-sizing:border-box;
			text-align:left;
			padding:__(20px);				
			overflow:scroll;
                        columns:2;
			height:__(150px);
			
		}

  

解决方法是给分栏的内容加个外框。在这个包裹分栏内容的外框中设置columns,给外外框的父级设置overflow.css

 

<li v-for="(item,index) in sortsInfo" @click="tabToggle(index)">
	{{item.sortsName}}<i class="xmFont iconDArrow"></i>
	<div class="sortsContent" v-if="index == tabNo">
          //设置overflow:scroll <div class="sortsItem">
              //加外框设置,并设置样式column:2 <div class="sortDeailWrap"> <p v-for="(itemlist,index) in item.sortList">{{itemlist}}</p> </div> </div> <div class="sortsSure"> <span>重置</span> <span>肯定</span> </div> </div> </li> //css .sortsContent { width:100%; position:absolute; top:__(60px); left:0; color:$deep-gray; .sortsItem{ width:100%; box-sizing:border-box; text-align:left; padding:__(20px); overflow:scroll; height:__(150px); >div{ columns:2; } }
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