Single-row or multi-row omitting mark is implemented in css, and multiple-row mark is implemented in css.

Single-row or multi-row omitting mark is implemented in css, and multiple-row mark is implemented in css.

Single line:

Overflow: hidden; text-overflow: ellipsis; white-space: nowrap;

Implement multiple rows:

Display:-webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 3; overflow: hidden;

-Webkit-line-clamp: number of lines displayed in the text;
You need to combine the following attributes for use:
Display:-webkit-box; attributes that must be combined to display objects as auto scaling box models.
-Webkit-box-orient must combine attributes to set or retrieve the arrangement of sub-elements of a telescopic box object.