在swift 3中为货币格式化字符串设置删除线属性文本

Question

我正在使用一个标签，该标签显示具有删除线属性的产品的旧价格。我试图为属性字符串设置删除线属性，但无法获得实际结果。

let price = 1000.0
let currencyFormatter = NumberFormatter()
currencyFormatter.numberStyle = .currency
currencyFormatter.currencyCode = "INR"
let priceInINR = currencyFormatter.string(from: price as NSNumber)

let attributedString = NSMutableAttributedString(string: priceInINR!)
            attributedString.addAttribute(NSStrikethroughStyleAttributeName, value: 1, range: NSMakeRange(0, attributedString.length))
            self.oldPriceLabel.attributedText = attributedString

有没有办法同时为字符串设置货币格式化程序和删除线属性？

Answer 1

试试这个并看看（Swift 3＆4兼容）：

@IBOutlet var oldPriceLabel: UILabel!

func strikeOnLabel() {
    let price = 1000.0
    let currencyFormatter = NumberFormatter()
    currencyFormatter.numberStyle = .currency
    currencyFormatter.currencyCode = "INR"
    let priceInINR = currencyFormatter.string(from: price as NSNumber)

    let attributedString = NSMutableAttributedString(string: priceInINR!)

    // Swift 4.2 and above
attributedString.addAttribute(NSAttributedString.Key.strikethroughStyle, value: 2, range: NSMakeRange(0, attributedString.length))

// Swift 4.1 and below
attributedString.addAttribute(NSAttributedStringKey.strikethroughStyle, value: 2, range: NSMakeRange(0, attributedString.length))
    oldPriceLabel.attributedText = attributedString
}

结果：

₹1,000.00

对于Swift 2：

let price = 1000.0
let currencyFormatter = NumberFormatter()
currencyFormatter.numberStyle = .currency
currencyFormatter.currencyCode = "INR"
let priceInINR = currencyFormatter.string(from: price as NSNumber)

let attributedString = NSMutableAttributedString(string: priceInINR!)

// Swift 4.2 and above
attributedString.addAttribute(NSAttributedString.Key.strikethroughStyle, value: 2, range: NSMakeRange(0, attributedString.length))

// Swift 4.1 and below
attributedString.addAttribute(NSStrikethroughStyleAttributeName, value: 2, range: NSMakeRange(0, attributedString.length))


self.oldPriceLabel.attributedText = attributedString

Answer 2

迅速

let attributeString: NSMutableAttributedString =  NSMutableAttributedString(string: "Your Text")
attributeString.addAttribute(NSStrikethroughStyleAttributeName, value: 2, range: NSMakeRange(0, attributeString.length))

Answer 3

在这里，您可以提到一系列文本和删除线所需的字体大小

let dateText = NSMutableAttributedString.init(string: "This is a test string.")


dateText.setAttributes([NSAttributedStringKey.font: UIFont(name: "Poppins-Regular", size: 11)!,
                            NSAttributedStringKey.foregroundColor: UIColor.black, NSAttributedString.Key.strikethroughStyle: 2],
                           range: NSMakeRange(0, 8))
dateText.setAttributes([NSAttributedStringKey.font: UIFont(name: "Poppins-SemiBold", size: 18)!,
                            NSAttributedStringKey.foregroundColor: UIColor.black, NSAttributedString.Key.strikethroughStyle: 4],
                           range: NSMakeRange(10, 13))
dateText.setAttributes([NSAttributedStringKey.font: UIFont(name: "Poppins-SemiBold", size: 15)!,
                            NSAttributedStringKey.foregroundColor: UIColor.black, NSAttributedString.Key.strikethroughStyle: 1],
                           range: NSMakeRange(14, 17))


// set the attributed string to the UILabel object
deadline_lbl.attributedText = dateText