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swift - 快速从本地化数值中删除千位分隔符

问题描述

我正在尝试从两者Localizable.stringsdict和Localizable.strings使用String.localizedStringWithFormat()方法中获取本地化字符串以及单/复数本地化。但是这个方法返回thousand separator/group separator我不想要的字符串。有没有办法在没有千位分隔符的情况下获得本地化字符串以及数字本地化？以下是我的Localizable.stringsdict：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>v1_pineapples_count</key>
        <dict>
            <key>NSStringLocalizedFormatKey</key>
            <string>%#@variable@</string>
            <key>variable</key>
            <dict>
                <key>NSStringFormatSpecTypeKey</key>
                <string>NSStringPluralRuleType</string>
                <key>NSStringFormatValueTypeKey</key>
                <string>d</string>
                <key>zero</key>
                <string>John has no pineapples</string>
                <key>one</key>
                <string>John has 1 pineapple</string>
                <key>other</key>
                <string>John has %d pineapples</string>
            </dict>
        </dict>
    </dict>
</plist>

我获取本地化字符串的代码是：

    let formatString : String = NSLocalizedString("v1_pineapples_count", comment: "")
    let resultString : String = String.localizedStringWithFormat(formatString, 1000)

Current output is John has 1,000/١,٠٠٠ pineapples
Expected output is John has 1000/١٠٠٠ pineapples

标签： swiftlocalizationstringwithformatplural

解决方案

由于我没有找到任何方法来删除千位分隔符但保留数字本地化以及单数/复数本地化，我为我的项目编写了这个扩展。现在它为我服务很好。希望它能帮助有相同要求的人。

extension String {
    func localizedStringOf(comment: String, args: CVarArg...) -> String {
        let formatter = NumberFormatter()
        formatter.locale = Locale.current

        let formattedString = NSLocalizedString(self, comment: comment)

        let pluralString = withVaList(args){_ in
            (String(format: formattedString, arguments: args) as String)
        }
        var resultString: String  = pluralString
        for arg in args {
            let locDigit = getLocalizedDigit(num: arg as! UInt, formatter:  formatter)
            resultString = replaceString(str: pluralString, num1: arg as! UInt, with: locDigit)
        }

        print(resultString)
        return resultString
    }

    func getLocalizedDigit(num: UInt, formatter: NumberFormatter)->String {
        let number = NSNumber(value: num)
        return formatter.string(from: number) ?? ""
    }

    func replaceString(str: String, num1: UInt, with num2: String ) -> String {
        return str.replacingOccurrences(of: String(num1), with: num2)
    }

 }

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