iOS。多元化。具有包含 2 个 int 参数的格式的 Stringdict

iOS. Pluralization. Stringdict with format that contains 2 int arguments

我的问题与 类似,但我想了解是否可以将 2 个 int 参数传递给字符串字典。

如果我想翻译如下内容:

1 apple : 3 pears
2 apples : 1 pear

是否可以在一种本地化格式字符串中完成,例如:

let apples = 1
let pears = 3
let applesAndPears = String.localizedStringWithFormat(<format>, apples, pears)
print(applesAndPears)

还是必须分开组合?

一种格式就够了。您可以在 NSStringLocalizedFormatKey 条目中使用多个占位符,并为每个占位符使用一个带有复数规则的单独字典。示例:

<?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>apples_and_pears</key>
        <dict>
            <key>NSStringLocalizedFormatKey</key>
            <string>%#@num_apples@ : %#@num_pears@</string>
            <key>num_apples</key>
            <dict>
                <key>NSStringFormatSpecTypeKey</key>
                <string>NSStringPluralRuleType</string>
                <key>NSStringFormatValueTypeKey</key>
                <string>ld</string>
                <key>zero</key>
                <string>no apple</string>
                <key>one</key>
                <string>1 apple</string>
                <key>other</key>
                <string>%ld apples</string>
            </dict>
            <key>num_pears</key>
            <dict>
                <key>NSStringFormatSpecTypeKey</key>
                <string>NSStringPluralRuleType</string>
                <key>NSStringFormatValueTypeKey</key>
                <string>ld</string>
                <key>zero</key>
                <string>no pear</string>
                <key>one</key>
                <string>1 pear</string>
                <key>other</key>
                <string>%ld pears</string>
            </dict>
        </dict>
    </dict>
</plist>

用法:

let apples = 1
let pears = 3
let format = NSLocalizedString("apples_and_pears", comment: "")
let applesAndPears = String.localizedStringWithFormat(format, apples, pears)
print(applesAndPears) // 1 apple : 3 pears

这可以与位置参数结合使用:如果格式更改为

        <key>NSStringLocalizedFormatKey</key>
        <string>%2$#@num_pears@ : %1$#@num_apples@</string>

然后输出变成“3个梨:1个苹果”。