单行隐藏
- overflow: hidden;
- text-overflow: ellipsis;
- white-space: nowrap;
多行隐藏
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
line-height: 40rpx;
height: 80rpx;/* 2行隐藏就两倍,三行隐藏就三倍*/
word-break: break-all;