添加项目文件。

TightWiki.Library/LanguageItem.cs

@@ -0,0 +1,37 @@
+using System.Globalization;
+
+namespace TightWiki.Library
+{
+    public class LanguageItem
+    {
+        public string Text { get; set; } = string.Empty;
+        public string Value { get; set; } = string.Empty;
+
+        public static List<LanguageItem> GetAll()
+        {
+            var list = new List<LanguageItem>();
+
+            var cultureInfo = CultureInfo.GetCultures(CultureTypes.SpecificCultures);
+
+            foreach (var culture in cultureInfo)
+            {
+                var name = culture.NativeName;
+                if (name.Contains('('))
+                {
+                    name = name.Substring(0, name.IndexOf('(')).Trim();
+                }
+
+                if (list.Where(o => o.Value == name).Any() == false)
+                {
+                    list.Add(new LanguageItem
+                    {
+                        Text = name,
+                        Value = name
+                    });
+                }
+            }
+
+            return list.OrderBy(o => o.Text).ToList();
+        }
+    }
+}