問(wèn)題描述

我需要獲取某個(gè)區(qū)域/國(guó)家/地區(qū)的一周的第一天.

I need to get the first day of week for a certain Locale / Country.

我嘗試使用以下代碼找到它:

I tried to find it using this code:

final Locale[] locales = new Locale[]{
        new Locale("en_GB"),
        new Locale("ru_RU"),
        new Locale("en_US"),                
        new Locale("es_ES"),
        new Locale("fr_FR"),        
        new Locale("iw_IL"),
        new Locale("he_IL")
};

for (final Locale locale : locales) {
    final Calendar cal = Calendar.getInstance(locale);
    final int firstDayOfWeek = cal.getFirstDayOfWeek();
    System.out.println(firstDayOfWeek);
}

這段代碼的結(jié)果是，所有這些語(yǔ)言環(huán)境都在檢索1"，即星期日，而諸如 en_US 之類的語(yǔ)言環(huán)境應(yīng)該返回 2，即星期一.

The result of this code is that all of these locales are retrieving '1' which is Sunday, and locales such en_US should return 2 which is Monday.

推薦答案

傳入兩個(gè)參數(shù) - language &國(guó)家/地區(qū)，分開(kāi) - 而不是你的帶下劃線的字符串.請(qǐng)參閱 Oracle 教程.

Pass in two arguments –?language & country, separately – rather than your string with underscore. See Oracle Tutorial.

final Locale[] locales = new Locale[]{
        new Locale("en", "GB"),  // Pass language code, then country code, separately.
        new Locale("ru", "RU"),
        new Locale("en", "US"),
        new Locale("es", "ES"),
        new Locale("fr", "FR"),
        new Locale("iw", "IL"),
        new Locale("he", "IL")
    };

然后我會(huì)使用 Java8 來(lái)獲取一周的第一天:

And then I would use Java8 to get the first day of the week:

DayOfWeek firstDayOfWeek = WeekFields.of(locale).getFirstDayOfWeek();
System.out.println(firstDayOfWeek);

輸出:

星期一

星期一

星期天

星期一

星期一

星期天

星期天

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