实现多语言切换

Atomx.Admin/Atomx.Admin.Client/Pages/Weather.razor

@@ -1,10 +1,21 @@
 @page "/weather"
+@page "/{locale}/weather"
 
-<PageTitle>Weather</PageTitle>
+@using Microsoft.Extensions.Localization
+@inject IStringLocalizer<Weather> L
+@inject Atomx.Admin.Client.Services.ILocalizationProvider LocalizationProvider
 
-<h1>Weather</h1>
+<PageTitle>@L["weather.title"]</PageTitle>
 
-<p>This component demonstrates showing data.</p>
+<h1>@L["weather.title"]</h1>
+
+<p>@L["weather.summary"]</p>
+
+<div style="margin-top:12px; margin-bottom:12px;">
+    <strong>Quick links:</strong>
+    <span style="padding-left:10px;"><NavLink href="/account/login">Login</NavLink></span>
+    <span style="padding-left:10px;"><NavLink href="/counter">Counter</NavLink></span>
+</div>
 
 @if (forecasts == null)
 {
@@ -16,7 +27,7 @@ else
         <thead>
             <tr>
                 <th>Date</th>
-                <th aria-label="Temperature in Celsius">Temp. (C)</th>
+                <th aria-label="Temperature in Celsius">@L["weather.temperature"]</th>
                 <th aria-label="Temperature in Farenheit">Temp. (F)</th>
                 <th>Summary</th>
             </tr>
@@ -36,10 +47,22 @@ else
 }
 
 @code {
+    [Parameter]
+    public string Locale { get; set; } = string.Empty;
     private WeatherForecast[]? forecasts;
 
     protected override async Task OnInitializedAsync()
     {
+        if (LocalizationProvider != null)
+        {
+            LocalizationProvider.LanguageChanged += OnLanguageChanged;
+        }
+
+        if (OperatingSystem.IsBrowser() && LocalizationProvider != null)
+        {
+            try { await LocalizationProvider.LoadCultureAsync(LocalizationProvider.CurrentCulture); } catch { }
+        }
+
         // Simulate asynchronous loading to demonstrate a loading indicator
         await Task.Delay(500);
 
@@ -53,6 +76,10 @@ else
         }).ToArray();
     }
 
+    private void OnLanguageChanged(object? s, string c) => _ = InvokeAsync(StateHasChanged);
+
+    public void Dispose() { if (LocalizationProvider != null) LocalizationProvider.LanguageChanged -= OnLanguageChanged; }
+
     private class WeatherForecast
     {
         public DateOnly Date { get; set; }
@@ -60,4 +87,13 @@ else
         public string? Summary { get; set; }
         public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
     }
+
+    private string GetShortCulture(string current)
+    {
+        if (string.IsNullOrEmpty(current)) return current;
+        if (current.StartsWith("zh", StringComparison.OrdinalIgnoreCase)) return "zh";
+        if (current.StartsWith("en", StringComparison.OrdinalIgnoreCase)) return "en";
+        var prefix = current.Split('-', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault();
+        return prefix ?? current;
+    }
 }