如何以编程方式更改文本字段的字体大小? [英] How to change textfield font size programmatically?

问题描述

我有一个用于创建文本字段的按钮，也有一个用于更改文本字段的字体的按钮.我创建了3个具有不同标题的按钮: 17,20,36 .我希望该按钮的功能更改文本字段的字体大小，该怎么办?

I have a button that creates a text field, I also have a button to change the text field's font. I created 3 button with different titles: 17,20,36. I want the functions of that button to change the font size of the text field, how can I do this?

推荐答案

如果只想更改文本字段的字体大小，而不是同时更改其字体样式，则下面的代码可能会起作用:`

If you want to simply change your textfield's font size , and not change it's font style at the same time , code below may be work : `

UITextField *yourTextField = [[UITextField alloc]init];
CGFloat yourSelectedFontSize = 14.0 ;
UIFont *yourNewSameStyleFont = [yourTextField.font fontWithSize:yourSelectedFontSize];
yourTextField.font = yourNewSameStyleFont ;

您需要注意的一件事是:更改文本字段的字体大小时，应始终注意文本字段视图的高度，保持文本文件的高度高于字体高度！

One thing you have to note is that : when you change your textfield's font size , you should always pay attention to your textfield view's height , keep your textfiled's height taller than your font height !

您可以尝试一下！

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