public static void AddSessionBasedCaptcha(this IServiceCollection services, Action <BasicLetterCaptchaOptions> options = null)
{
var option = new BasicLetterCaptchaOptions
{
Letters = "2346789ABCDEFGHJKLMNPRTUVWXYZ",
SessionName = "CaptchaCode",
CodeLength = 4
};
options?.Invoke(option);
services.AddTransient <ISessionBasedCaptcha>(sb => new BasicLetterCaptcha(option));
}
public BasicLetterCaptcha(BasicLetterCaptchaOptions options)
{
Options = options;
_options = options;
}
