您将需要使用attributedString
它来设置字符串等的样式。可以通过具有两种样式(一种是普通样式,一种是粗体样式),然后将它们附加在一起来完成此操作:
let boldText = "Filter:"
let attrs = [NSAttributedString.Key.font : UIFont.boldSystemFont(ofSize: 15)]
let attributedString = NSMutableAttributedString(string:boldText, attributes:attrs)
let normalText = "Hi am normal"
let normalString = NSMutableAttributedString(string:normalText)
attributedString.append(normalString)
要将其分配给标签时:
label.attributedText = attributedString