console
<div class="line">
数据交互指的是动态的更新图表中数据数据交互指的是动态的更新图表中数据数据交互指的是动态的更新图表中数据数据交互指的是动态的更新图表中数据
<div class="more">
<span>...</span>
<div class="corner"></div>
</div>
</div>
.line{
width:200px;
line-height: 30px;
position: relative;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;
text-overflow: ellipsis;
background: white;
font-size: 12px;
}
.more{
position: absolute;
right: 0;
bottom:0;
background: white;
width:32px;
}
.corner {
width: 0px;
height: 0px;
border: 5px solid black;
border-bottom-color: transparent;
border-left-color: transparent;
border-right-color: transparent;
display: inline-block;
vertical-align: middle;
cursor: pointer;
}