/// <summary>
/// 限流中间件
/// </summary>
/// <param name="services"></param>
/// <param name="options"></param>
/// <returns></returns>
public static IServiceCollection AddRateLimiting(this IServiceCollection services, Action <RateLimitOptions> options = null)
{
var opts = new RateLimitOptions();
options?.Invoke(opts);
services.AddSingleton(opts);
services.AddSingleton <RateLimitProcessor>();
return(services);
}
