在ASP.NET Core OData 8.0中，我们可以使用DynamicController和DynamicEntitySet方法来实现动态odata路由映射。以下是步骤：

第一步：在Startup.cs中添加NuGet包：Microsoft.AspNetCore.OData、Microsoft.AspNetCore.OData.Versioning。

第二步：在Startup.cs中配置OData服务。创建CfgServices和CfgActions方法，并在ConfigureServices中配置服务。

using Microsoft.AspNetCore.OData;
using Microsoft.AspNetCore.OData.Builder;
using Microsoft.AspNetCore.OData.Extensions;
using Microsoft.AspNetCore.OData.Versioning;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OData.Edm;

...

public static IEdmModel GetEdmModel()
{
    var edmBuilder = new ODataConventionModelBuilder();

    edmBuilder.EntitySet("Customers").EntityType.HasKey(c => c.CustomerId);

    return edmBuilder.GetEdmModel();
}

public static IServiceProvider ConfigureServices(IServiceCollection services)
{
    services.AddOData(opt => opt
        .AddModel("odata", GetEdmModel())
        .ConfigureODataVersioning());
        
    services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

    return services.BuildServiceProvider();
}

第三步：添加DynamicController。

public class DynamicODataController : ODataDynamicController
{
    private readonly DataContext _dataContext;

    public DynamicODataController(DataContext dataContext)
    {
        _dataContext = dataContext;
    }

    [AcceptVerbs("GET", "POST")]
    public override IActionResult DispatchOData()
    {
        return base.DispatchOData();
    }

    protected override void OnAppearing()
    {
        base.OnAppearing();
        // Your code here
    }

    protected override void OnDisappeared()
    {
        base.OnDisappeared();
        // Your code here
    }

    public override Task PostToGeneratedEntitySet(string entitySetName)
    {
        // Your code here
    }

    public override Task PutToGeneratedEntitySet(string entitySetName, [FromODataUri] TKey key)
    {
        // Your code here
    }

    public override Task PatchToGeneratedEntitySet(string entitySetName, [FromOData