uibutton更改标题颜色部分

发布于 2025-01-17 11:59:09 字数 405 浏览 1 评论 0原文

我想像这张图片一样制作按钮。为了像图片一样实现它，需要部分更改按钮标题的颜色，但我不知道该怎么办。

这是我的代码。

 private let signUpButton = UIButton().then {
    $0.setTitleColor(.black, for: .normal)
    $0.titleLabel?.font = .boldSystemFont(ofSize: 12)
}

原文

I want to make button like this picture.
In order to implement it like a picture, the color of the button title needs to be partially changed, but I don't know what to do.

Here is my code.

 private let signUpButton = UIButton().then {
    $0.setTitleColor(.black, for: .normal)
    $0.titleLabel?.font = .boldSystemFont(ofSize: 12)
}

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半山落雨半山空 2025-01-24 11:59:09

为此目的使用nsmutableAttributedString

private let signUpButton = UIButton().then {
  // Creating gray text part
  let grayButtonText = NSAttributedString(string: "FirstPart", attributes: [.font: UIFont.systemFont(ofSize: 12), .foregroundColor: UIColor.gray ])
  // Creating black text part
  let blackButtonText = NSAttributedString(string: "SecondPart", attributes: [.font: UIFont.systemFont(ofSize: 12), .foregroundColor: UIColor.black ])

  // Merging two parts together
  let buttonTitle = NSMutableAttributedString(attributedString: grayButtonText)
  buttonTitle.append(blackButtonText)
  
  // Set it as a title for ".normal" state
  $0.setAttributedTitle(buttonTitle, for: .normal)
}

Use NSMutableAttributedString for this purpose

private let signUpButton = UIButton().then {
  // Creating gray text part
  let grayButtonText = NSAttributedString(string: "FirstPart", attributes: [.font: UIFont.systemFont(ofSize: 12), .foregroundColor: UIColor.gray ])
  // Creating black text part
  let blackButtonText = NSAttributedString(string: "SecondPart", attributes: [.font: UIFont.systemFont(ofSize: 12), .foregroundColor: UIColor.black ])

  // Merging two parts together
  let buttonTitle = NSMutableAttributedString(attributedString: grayButtonText)
  buttonTitle.append(blackButtonText)
  
  // Set it as a title for ".normal" state
  $0.setAttributedTitle(buttonTitle, for: .normal)
}

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