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                <p class="block-with-text">1.大于三行例子:最简单的方法,但是很遗憾,它不支持跨浏览器,在Firefox和Internet Explorer中不起作用. CSS属性可以把块容器中的内容限制为指定的行数.它只有在 display属性设置成-webkit-box或者-webkit-inline-box并且-webkit-box-orient属性设置成vertical时才有效果在大部分情况下,也需要设置overflow属性为hidden, 否则,里面的内容不会被裁减,并且在内容显示为指定行数后还会显示省略号(ellipsis )</p>
<p class="block-with-text">2.小于一行的例子,不会出现“...”在文末</p>
<p class="block-with-text" style="width: 250px;">3. 2.5 行的例子: 最简单的方法,但是很遗憾,它不支持跨浏览器,在Firefox和Internet Explorer中不起作用.</p>



                body {
  margin: 0;
  padding: 50px;
  font: 400 14px/1.2em sans-serif; 
  background: white;

p {
  width: 250px;
  padding: 2px;
  border: 1px solid black;

/* mixin for multiline */
@mixin multiLineEllipsis($lineHeight: 1.2em, $lineCount: 1, $bgColor: white){
  overflow: hidden;
  position: relative;
  line-height: $lineHeight;
  max-height: $lineHeight * $lineCount; 
  text-align: justify;
  margin-right: -1em;
  padding-right: 1em;
  &:before {
    content: '...';
    position: absolute;
    right: 0;
    bottom: 0;
  &:after {
    content: '';
    position: absolute;
    right: 0;
    width: 1em;
    height: 1em;
    margin-top: 0.2em;
    background: $bgColor;

.block-with-text {
  @include multiLineEllipsis($lineHeight: 1.3em, $lineCount: 3, $bgColor: white);