Line number control skills of uilabel

The number of rows of uilabel is controlled, for example, 2 rows are displayed

First, everyone will:

label.numberOfLines = 2

The second type can be controlled by font size and label size

label.font = UIFont.semibold(ofSize: 16)
label.frame.size = // ...

coordination

label.numberOfLines = 0

---

---

After designing according to the second method,

The first two effects are very natural,

Why is the effect of the third label vertically centered?

Not up a little.

Set as follows:

Center constraint of label = top of view + constant

(about offset of 30)

Then you can,

Center one line

Two line presentation

If there are more than two lines, an ellipsis will appear

github repo