一行

`    white-space: nowrap;

    text-overflow: ellipsis;

    overflow: hidden;

    word-break: break-all;`

两行

`text-overflow: -o-ellipsis-lastline;

overflow: hidden;

text-overflow: ellipsis;

display: -webkit-box;

-webkit-line-clamp: 2;

line-clamp: 2;

-webkit-box-orient: vertical;`