如何实用地增加按钮的字体大小（swift3）

Question

I would like the user to have the ability to make the text larger. 我希望用户能够使文本变大。

I have figured out how to increase a button overall size but the text remains the same. 我已经弄清楚了如何增加按钮的整体大小，但是文本保持不变。

button.frame =  CGRect(x: 100, y: 400, width: 100, height: 50)

How to increase Font Size in button Pragmatically in swift3? 如何在swift3中实用地增加按钮的字体大小？

Answer 1

Use titleLabel, like this: 使用titleLabel，如下所示：

let button = UIButton()
button.titleLabel?.font = UIFont.systemFont(ofSize: 30)

You can use UIFont in a lot of ways, check it's constructor! 您可以通过多种方式使用UIFont，请检查其构造函数！