在ASP.NET Core的过滤器中使用依赖注入

using Microsoft.Extensions.DependencyInjection;

 

public class ThrottleFilterAttribute : Attribute, IActionFilter
{
    public void OnActionExecuting(ActionExecutingContext context)
    {
        var cache = context.HttpContext.RequestServices.GetService<IDistributedCache>();
        ...
    }
    ...
}

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