如何从控制器获取unity config中定义的unity容器？

// 在Unity配置文件中定义Unity容器
// UnityConfig.cs
public static class UnityConfig
{
    public static void RegisterComponents()
    {
        var container = new UnityContainer();
        
        // 注册组件到容器中
        container.RegisterType<IMyService, MyService>();
        
        // 将容器设置为全局可访问
        GlobalConfiguration.Configuration.DependencyResolver = new UnityDependencyResolver(container);
    }
}

// 在控制器中获取Unity容器中的组件
// MyController.cs
public class MyController : ApiController
{
    private readonly IMyService _myService;
    
    public MyController(IMyService myService)
    {
        _myService = myService;
    }
    
    public IHttpActionResult Get()
    {
        // 通过Unity容器获取组件实例
        var myServiceInstance = GlobalConfiguration.Configuration.DependencyResolver.GetService(typeof(IMyService));
        
        // 使用组件实例进行操作
        var result = _myService.DoSomething();
        
        return Ok(result);
    }
}