密钥未翻译时使用默认语言回退

问题描述

我可以使用其他语言Localizable.strings文件中的未翻译键使用默认语言(例如英语)吗?

Can i use default language (e.g. English) for untranslated keys in my other language Localizable.strings files ?

推荐答案

要实现此目的，您可以使用英语单词作为Localizable.strings文件中的键.

To achieve this, you could use the English words as the keys in the Localizable.strings file.

另一种方法是检查NSLocalizedString的结果，并在结果与键相同的情况下返回默认的英语版本(使用强制"捆绑包).

Another approach would be to check the outcome of NSLocalizedString and return the default english version (using a 'forced' bundle) in case the result is the same as the key.

它可能看起来像这样

extension NSString {
    class func NSLocalizedStringWithDefault (key:String, comment:String)->String {
        let message = NSLocalizedString(key, comment: comment)
        if message != key {
            return message
        }
        let language = "en"
        let path = NSBundle.mainBundle().pathForResource(language, ofType: "lproj")
        let bundle = NSBundle(path: path!)
        if let forcedString = bundle?.localizedStringForKey(key, value: nil, table: nil){
            return forcedString
        }else {
            return key
        }
    }
}

Localized.string(eng)

Localized.string (eng)

"test-key-1" = "Test 1";
"test-key-2" = "Test 2";

Localized.string(esp)

Localized.string (esp)

"test-key-1" = "El Test 1";

然后您可以像这样使用它(假设语言环境设置为'es'):

then you could use it like this (assuming locale set to 'es'):

println(NSString.NSLocalizedStringWithDefault("test-key-1", comment: "")) // El Test 1
println(NSString.NSLocalizedStringWithDefault("test-key-2", comment: "")) // Test 2 (from eng file)

这不是最干净的实现方式，但您知道了.

Not the cleanest way to implement, but you get the idea.

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