全球化与本地化

src/HelloShop.ServiceDefaults/Extensions/LocalizationExtensions.cs

@@ -0,0 +1,53 @@
+using FluentValidation;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Localization;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Reflection;
+
+namespace HelloShop.ServiceDefaults.Extensions;
+
+public static class LocalizationExtensions
+{
+    public static IServiceCollection AddCustomLocalization(this IServiceCollection services)
+    {
+        services.AddLocalization(options => options.ResourcesPath = "Resources");
+
+        return services;
+    }
+
+    public static IApplicationBuilder UseCustomLocalization(this IApplicationBuilder app)
+    {
+        var supportedCultures = new[] { "zh-CN", "en-US" };
+
+        var localizationOptions = new RequestLocalizationOptions().SetDefaultCulture(supportedCultures.First())
+            .AddSupportedCultures(supportedCultures)
+            .AddSupportedUICultures(supportedCultures);
+
+        app.UseRequestLocalization(localizationOptions);
+
+        IStringLocalizerFactory localizerFactory = app.ApplicationServices.GetRequiredService<IStringLocalizerFactory>();
+
+        ValidatorOptions.Global.DisplayNameResolver = (type, memberInfo, lambdaExpression) =>
+        {
+            string displayName = memberInfo.Name;
+        
+            DisplayAttribute? displayAttribute = memberInfo.GetCustomAttribute<DisplayAttribute>(true);
+        
+            displayName = displayAttribute?.Name ?? displayName;
+        
+            DisplayNameAttribute? displayNameAttribute = memberInfo.GetCustomAttribute<DisplayNameAttribute>(true);
+        
+            displayName = displayNameAttribute?.DisplayName ?? displayName;
+        
+            var localizer = localizerFactory.Create(type);
+        
+            return localizer[displayName];
+        };
+
+
+        return app;
+    }
+
+}

src/HelloShop.ServiceDefaults/Extensions/OpenApiExtensions.cs

@@ -1,6 +1,7 @@
 // Copyright (c) HelloShop Corporation. All rights reserved.
 // See the license file in the project root for more information.
 
+using HelloShop.ServiceDefaults.Infrastructure;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.OpenApi.Models;
@@ -25,6 +26,8 @@ namespace HelloShop.ServiceDefaults.Extensions
 
             services.Configure<SwaggerGenOptions>(options =>
             {
+                options.OperationFilter<AcceptLanguageHeaderOperationFilter>();
+
                 options.AddSecurityDefinition("bearerAuth", new OpenApiSecurityScheme
                 {
                     Type = SecuritySchemeType.Http,

src/HelloShop.ServiceDefaults/Infrastructure/AcceptLanguageHeaderOperationFilter.cs

@@ -0,0 +1,27 @@
+using Microsoft.Net.Http.Headers;
+using Microsoft.OpenApi.Any;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace HelloShop.ServiceDefaults.Infrastructure;
+
+public class AcceptLanguageHeaderOperationFilter : IOperationFilter
+{
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        var parameter = new OpenApiParameter
+        {
+            Name = HeaderNames.AcceptLanguage,
+            In = ParameterLocation.Header,
+            Required = false,
+            Schema = new OpenApiSchema
+            {
+                Default = new OpenApiString("zh-CN"),
+                Type = "string",
+                Enum = [new OpenApiString("zh-CN"), new OpenApiString("en-US")]
+            }
+        };
+
+        operation.Parameters.Add(parameter);
+    }
+}