objective-c - Labels that exceed a certain number of lines are forced to add a... at the end to expand and can be clicked into the full text

Question

A lable, if the number of words exceeds 3 lines, it will be displayed...add a picture to the full text>, has anyone done this function before?

As shown in the picture above.

Answer 1

Provide an idea:
You can limit the height and perform processing when it reaches a certain height.

Answer 2

If you use constraints, you can set the constraints to less than one size at the beginning, vfl can be @"V:[label(<=margin)]-10-[picture below]", click on the full text to update the constraints@" V:[label]-10-[Picture below]"