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我有这个哈希，我需要将它的第一部分转换为纯文本，例如 en_GB 将是英国。这是我从 Facebook api 获得的示例响应。

    {"en_GB"=>6836, "en_US"=>3414, "it_IT"=>120, "es_LA"=>37, "fr_FR"=>24, "zh_TW"=>18, "pt_BR"=>18, "de_DE"=>16, "hr_HR"=>15, "pl_PL"=>12, "es_ES"=>12, "ru_RU"=>10, "id_ID"=>9, "el_GR"=>8, "ar_AR"=>8, "th_TH"=>8, "tr_TR"=>8, "bg_BG"=>7, "lv_LV"=>6, "zh_CN"=>6, "cs_CZ"=>5, "ro_RO"=>4, "pt_PT"=>4, "en_PI"=>4, "he_IL"=>3, "sk_SK"=>3, "hu_HU"=>3, "mk_MK"=>3, "nl_NL"=>2, "sv_SE"=>2, "zh_HK"=>2, "lt_LT"=>2, "nl_BE"=>2, "fb_LT"=>1, "en_IN"=>1, "sl_SI"=>1, "sq_AL"=>1, "ko_KR"=>1, "da_DK"=>1, "ka_GE"=>1, "cy_GB"=>1, "mr_IN"=>1, "sr_RS"=>1, "nb_NO"=>1}

有人知道如何将其转换为纯文本吗？

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1 回答 1

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/config/locales/en.yml在您的 rails 应用程序中将语言环境数据设置 为

en:
  en_GB: "Great Britain"
  en_US: 'United States'
  ..so on..

然后

fb_response = {"en_GB"=>6836, "en_US"=>3414, "it_IT"=>120, "es_LA"=>37, "fr_FR"=>24, "zh_TW"=>18, "pt_BR"=>18, "de_DE"=>16, "hr_HR"=>15, "pl_PL"=>12, "es_ES"=>12, "ru_RU"=>10, "id_ID"=>9, "el_GR"=>8, "ar_AR"=>8, "th_TH"=>8, "tr_TR"=>8, "bg_BG"=>7, "lv_LV"=>6, "zh_CN"=>6, "cs_CZ"=>5, "ro_RO"=>4, "pt_PT"=>4, "en_PI"=>4, "he_IL"=>3, "sk_SK"=>3, "hu_HU"=>3, "mk_MK"=>3, "nl_NL"=>2, "sv_SE"=>2, "zh_HK"=>2, "lt_LT"=>2, "nl_BE"=>2, "fb_LT"=>1, "en_IN"=>1, "sl_SI"=>1, "sq_AL"=>1, "ko_KR"=>1, "da_DK"=>1, "ka_GE"=>1, "cy_GB"=>1, "mr_IN"=>1, "sr_RS"=>1, "nb_NO"=>1}

fb_response = Hash[fb_response.map {|k, v| [t(k.to_sym), v] }]

map返回一个新数组，每个元素运行一次块的结果，Hash[] 使用返回的数组中的每个 [k, v] 对创建一个新哈希。在该块中，我们将键转换为符号并将其传递给#translate别名 as t，这会将其转换为当前语言环境。

于 2013-02-09T23:14:32.367 回答