<Captcha ImagesPath="@ImagesPath" @ref="Captcha" OnValid="@OnValid" />
<BlockLogger @ref="Trace" class="mt-3" />

@code {
    /// <summary>
    /// 获得/设置 图床路径 默认值为 images
    /// </summary>
    public string ImagesPath { get; set; } = "_content/BootstrapBlazor.Shared/images";

    [NotNull]
    private Captcha? Captcha { get; set; }

    private BlockLogger? Trace { get; set; }

    private void OnValid(bool ret)
    {
        var result = ret ? "成功" : "失败";
        Trace?.Log($"验证码结果 -> {result}");
        if (ret)
        {
            Task.Run(async () =>
            {
                await Task.Delay(1000);
                await Captcha.Reset();
            });
        }
    }
}

<Captcha ImagesPath="@ImagesPath" ImagesName="@ImagesName" />

@code {
    /// <summary>
    /// 获得/设置 图床路径 默认值为 images
    /// </summary>
    public string ImagesPath { get; set; } = "_content/BootstrapBlazor.Shared/images";

    /// <summary>
    /// 获得/设置 图床路径 默认值为 Pic.jpg
    /// </summary>
    public string ImagesName { get; set; } = "Pic.jpg";
}

<Captcha GetImageName="@GetImageName" />

@code {
    /// <summary>
    /// 获得/设置 图床路径 默认值为 images
    /// </summary>
    public string ImagesPath { get; set; } = "_content/BootstrapBlazor.Shared/images";

    /// <summary>
    /// 获得/设置 图床路径 默认值为 Pic.jpg
    /// </summary>
    public string ImagesName { get; set; } = "Pic.jpg";

    private static Random ImageRandomer { get; set; } = new Random();

    /// <summary>
    /// GetImageName
    /// </summary>
    /// <returns></returns>
    private string GetImageName()
    {
        var index = Convert.ToInt32(ImageRandomer.Next(0, 8) / 1.0);
        var imageName = Path.GetFileNameWithoutExtension(ImagesName);
        var extendName = Path.GetExtension(ImagesName);
        var fileName = $"{imageName}{index}{extendName}";
        return Path.Combine(ImagesPath, fileName);
    }
}