字符串中单个变色
extension String {
public func getAttributedString(sender:String) -> NSMutableAttributedString {
let attributedString = NSMutableAttributedString.init()
let jndex = self.range(of: sender)
let before = self.substring(to: (jndex?.lowerBound)!)
let beforeAttributedString = NSAttributedString.init(string: before, attributes: [NSFontAttributeName:UIFont.boldSystemFont(ofSize: 16),NSForegroundColorAttributeName:UIColor.black])
attributedString.append(beforeAttributedString)
let titleAttributedString = NSAttributedString.init(string: sender, attributes: [NSForegroundColorAttributeName:UIColor.cyan,NSFontAttributeName:UIFont.boldSystemFont(ofSize: 16)])
attributedString.append(titleAttributedString)
let upper = self.substring(from: (jndex?.upperBound)!)
let contentAttributedString = NSAttributedString.init(string: upper, attributes: [NSFontAttributeName:UIFont.boldSystemFont(ofSize: 16),NSForegroundColorAttributeName:UIColor.black])
attributedString.append(contentAttributedString)
return attributedString
}
}
