计算Label文字宽高

func getLabHeigh(labelStr:String,font:UIFont,width:CGFloat) -> CGFloat {

    let statusLabelText: NSString = labelStr as NSString

    let size = CGSize(width: width, height: 900)

    let dic = NSDictionary(object: font, forKey: NSAttributedStringKey.font as NSCopying)

    let strSize = statusLabelText.boundingRect(with: size, options: .usesLineFragmentOrigin, attributes: dic as? [NSAttributedStringKey : Any], context: nil).size

    return strSize.height

}

func getLabWidth(labelStr:String,font:UIFont,height:CGFloat) -> CGFloat {

    let statusLabelText: NSString = labelStr as NSString

    let size = CGSize(width: 900, height: height)

    let dic = NSDictionary(object: font, forKey: NSAttributedStringKey.font as NSCopying)

    let strSize = statusLabelText.boundingRect(with: size, options: .usesLineFragmentOrigin, attributes: dic as? [NSAttributedStringKey : Any], context: nil).size

    return strSize.width
}