css一行和多行超出部分...表示

//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;