剃刀页面URL本地化

Question

我有razor Pages Web应用程序（vs2019，.net core 3.0）。我想本地化网址 “ / fi-fi /联系人” “ / en-US / Contact”

我使用“ DynamicRouteValueTransformer”取得了一些成功，唯一的问题是当我在地址栏输入“ / en-US / Index”时。

public class LanguageTransformer : DynamicRouteValueTransformer
{
    public override ValueTask<RouteValueDictionary> TransformAsync(HttpContext httpContext, RouteValueDictionary values)
    {

        if (!values.ContainsKey("language") || !values.ContainsKey("page"))
            return new ValueTask<RouteValueDictionary>(values);


        var x = values["page"];

        values["page"] = "/" + x;

        return new ValueTask<RouteValueDictionary>(values);

    }
}
public class Startup
{
    public Startup(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    public IConfiguration Configuration { get; }

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddLocalization(o =>
        {
            // We will put our translations in a folder called Resources
            o.ResourcesPath = "Resources";

        });

        services.Configure<RequestLocalizationOptions>(options =>
        {
            var supportedCultures = new[]
            {
                new CultureInfo("fi-FI"),
                new CultureInfo("en-US"),
            };

            options.DefaultRequestCulture = new RequestCulture(culture: "fi-FI", uiCulture: "fi-FI");
            options.SupportedCultures = supportedCultures;
            options.SupportedUICultures = supportedCultures;


        });

        // get email settings
        services.Configure<EmailSettings>(Configuration.GetSection("EmailSettings"));

        // PWA
        services.AddSingleton(typeof(IHttpContextAccessor), typeof(HttpContextAccessor));
        // EMail render service
        services.AddScoped<IViewRenderService, ViewRenderService>();

        services.AddSingleton<LanguageTransformer>();

        services.AddRazorPages()
            .AddViewLocalization(LanguageViewLocationExpanderFormat.Suffix)
            .AddDataAnnotationsLocalization();


        services.AddTransient<IMailService, EMailService>();
        //MailKit
        services.AddSingleton<IEMailServiceUsingMailKit, EMailServiceUsingMailKit>();
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }
        else
        {
            app.UseExceptionHandler("/Error");
            // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
            app.UseHsts();
        }

        var locOptions = app.ApplicationServices.GetService<IOptions<RequestLocalizationOptions>>();
        app.UseRequestLocalization(locOptions.Value);
        //

        app.UseHttpsRedirection();
        app.UseStaticFiles();
        app.UseRouting();
        app.UseAuthorization();

        app.UseEndpoints(endpoints =>
        {
            endpoints.MapDynamicPageRoute<LanguageTransformer>("{language}/{page}");
            endpoints.MapRazorPages();
        });
    }
}

}

处理请求时发生未处理的异常。

AmbiguousMatchException：该请求匹配了多个端点。匹配项：

/索引  /索引

Microsoft.AspNetCore.Routing.Matching.DefaultEndpointSelector.ReportAmbiguity（CandidateState []候选人状态）