Use Flask-Babel

.flaskenv

@@ -1,2 +1 @@
-FLASK_DEBUG = 1
-BABEL_DEFAULT_LOCALE = zh
+FLASK_DEBUG = 1

app.py

@@ -4,39 +4,35 @@
 from os import getenv
 from datetime import date
 
-from flask import Flask, render_template, request, send_from_directory
+from flask import Flask, g, render_template, request, send_from_directory
 from flask_wtf import FlaskForm
 from wtforms import StringField, SubmitField
-from flask_babel import Babel, gettext
+
+from flask_babel import Babel, lazy_gettext, format_date
+from babel.dates import get_timezone_name, get_timezone
 
 from base import data, is_valid_key, get_translation
 
 flask_app = Flask(__name__)
 flask_app.config["SECRET_KEY"] = getenv("SECRET_KEY", "dev")
 
-babel = Babel(flask_app)
 
-page_lang = {
-    "zh_cn": {
-        "lang_name": "简体中文（中国大陆）",
-        "query_input_label": "查询的源字符串内容：",
-        "translation_key_select_label": "选择本地化键名：",
-        "query_button": "查询",
-    },
-    "en_us": {
-        "lang_name": "English (United States)",
-        "query_input_label": "Source string content to be queried: ",
-        "translation_key_select_label": "Select translation key：",
-        "query_button": "QUERY",
-    },
-}
+def get_locale():
+    """语言选择器"""
+    user = getattr(g, "user", None)
+    if user is not None:
+        return user.locale
+    return request.accept_languages.best_match(["zh", "en"])
+
+
+babel = Babel(flask_app, locale_selector=get_locale, timezone_selector=get_timezone)
 
 
 class QueryForm(FlaskForm):
     """查询表单"""
 
-    source_string = StringField(gettext("query_input_label"))
-    submit = SubmitField(gettext("query_button"))
+    source_string = StringField(lazy_gettext("Source string content to be queried: "))
+    submit = SubmitField(lazy_gettext("QUERY"))
 
 
 @flask_app.route("/", methods=["GET", "POST"])
@@ -68,7 +64,8 @@ def index():
         keys=keys,
         translation=selected_translation,
         date_str=date.today(),
-        date_str_zh=date.today().strftime("%Y年%#m月%#d日（UTC）"),
+        date_str_t=format_date(date.today()),
+        timezone_str=get_timezone_name(get_timezone(), locale=get_locale()),
     )
 
 
@@ -79,4 +76,4 @@ def favicon():
 
 
 if __name__ == "__main__":
-    flask_app.run()
+    flask_app.run(debug=True)

babel.cfg

@@ -0,0 +1,2 @@
+[python: app.py]
+[jinja2: **/templates/**.html]

base.py

@@ -24,6 +24,7 @@
 for file in file_list:
     with open(LANG_DIR / file, "r", encoding="utf-8") as f:
         data[file.split(".", maxsplit=1)[0]] = json.load(f)
+print("语言文件读取成功。")
 
 # 读取补充字符串
 if not IGNORE_SUPPLEMENTS:

messages.pot

@@ -0,0 +1,31 @@
+# Translations template for PROJECT.
+# Copyright (C) 2024 ORGANIZATION
+# This file is distributed under the same license as the PROJECT project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2024.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PROJECT VERSION\n"
+"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
+"POT-Creation-Date: 2024-01-27 20:32+0800\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <[email protected]>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.14.0\n"
+
+#: app.py:22
+msgid "Source string content to be queried:"
+msgstr ""
+
+#: app.py:23
+msgid "QUERY"
+msgstr ""
+
+#: templates/index.html:23
+msgid "Select translation key："
+msgstr ""
+

requirements.txt

@@ -1,4 +1,5 @@
 Flask==3.0.1
+flask_babel==4.0.0
 flask_wtf==1.2.1
 fonttools==4.47.2
 python-dotenv==1.0.1

templates/index.html

@@ -20,7 +20,7 @@
             {{ form.hidden_tag() }}
             {{ form.source_string.label }}{{ form.source_string(autocomplete="off") }}
             {% if input_value %}
-            <label for="options">选择本地化键名：</label>
+            <label for="options">{{ _("Select translation key：") }}</label>
             <select name="options" id="options">
                 {% for option in keys %}
                 {% if option == key %}
@@ -67,8 +67,10 @@
     {% endif %}
 
     <div class="minecraft-title">
-        Minecraft中文标准译名<br><span style="font-size: smaller;"><time datetime="{{ date_str }}">{{ date_str_zh
-                }}</time></span>
+        Minecraft中文标准译名<br>
+        <span style="font-size: smaller;">
+            <time datetime="{{ date_str }}">{{ date_str_t }}</time> - {{ timezone_str }}
+        </span>
     </div>
 
 </body>

translations/zh_CN/LC_MESSAGES/messages.po

@@ -0,0 +1,32 @@
+# Chinese (Simplified, China) translations for Minecraft Chinese Standard Translations.
+# Copyright (C) 2024 SkyEye_FAST
+# This file is distributed under the same license as the Minecraft Chinese Standard Translations project.
+# SkyEye_FAST <[email protected]>, 2024.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Minecraft Chinese Standard Translations\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2024-01-27 20:32+0800\n"
+"PO-Revision-Date: 2024-01-27 20:32+0800\n"
+"Last-Translator: SkyEye_FAST <[email protected]>\n"
+"Language: zh_Hans_CN\n"
+"Language-Team: zh_Hans_CN <[email protected]>\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.14.0\n"
+
+#: app.py:22
+msgid "Source string content to be queried: "
+msgstr "查询的源字符串内容："
+
+#: app.py:23
+msgid "QUERY"
+msgstr "查询"
+
+#: templates/index.html:23
+msgid "Select translation key："
+msgstr "选择本地化键名："
+