/// <summary>
/// 添加
/// </summary>
/// <param name="data"></param>
/// <param name="expire"></param>
public void Add(SlideVerificationInfo data, TimeSpan expire)
{
HashEntry[] entries = new HashEntry[] {
new HashEntry("BackgroudImage", data.BackgroundImg),
new HashEntry("SlideImage", data.SlideImg),
new HashEntry("OffsetX", data.PositionX),
new HashEntry("OffsetY", data.PositionY),
};
this.store.HashSet($"{SlideVerificationRedisOptions.Default.KeyPrefix}{data.Key}", entries);
this.store.KeyExpire($"{SlideVerificationRedisOptions.Default.KeyPrefix}{data.Key}", expire);
}
/// <summary>
/// 图片由byte[]转换为base64字符串
/// </summary>
private SlideVerificationPlainInfo ConvertToBase64PlainInfo(SlideVerificationInfo data)
{
SlideVerificationPlainInfo result = SlideVerificationPlainInfo.From(data);
if (result != null)
{
result.BackgroundImg = ImageUtil.ImageToBase64(data.BackgroundImg, ImageFormat.Jpeg);
result.SlideImg = ImageUtil.ImageToBase64(data.SlideImg, ImageFormat.Png);
//PositionX 不能输出到前端
result.PositionX = 0;
}
;
return(result);
}
/// <summary>
/// 创建图片滑动数据
/// </summary>
public SlideVerificationInfo Create()
{
SlideVerificationParam param = new SlideVerificationParam()
{
BackgroundImage = this.backgrouondImageService.GetRandomOne(),
SlideImage = this.slideImageService.GetRandomOne(),
Edge = SlideVerificationOptions.Default.Edge,
MixedCount = SlideVerificationOptions.Default.MixedCount,
};
SlideVerificationInfo result = SlideVerificationCreater.Instance.Create(param);
this.store.Add(result, SlideVerificationOptions.Default.Expire);
return(result);
}
/// <summary>
/// 获取
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public SlideVerificationInfo Get(string key)
{
SlideVerificationInfo result = null;
HashEntry[] entries = this.store.HashGetAll($"{SlideVerificationRedisOptions.Default.KeyPrefix}{key}");
if (entries != null && entries.Length > 0)
{
result = new SlideVerificationInfo();
result.BackgroundImg = entries.First(a => a.Name == "BackgroudImage").Value;
result.SlideImg = entries.First(a => a.Name == "SlideImage").Value;
result.PositionX = entries.First(a => a.Name == "OffsetX").Value.ToString().ToInt();
result.PositionY = entries.First(a => a.Name == "OffsetY").Value.ToString().ToInt();
}
return(result);
}
/// <summary>
/// 创建图片滑动数据
/// </summary>
public SlideVerificationInfo Create(SlideVerificationParam param)
{
SlideVerificationInfo result = new SlideVerificationInfo();
result.Key = Guid.NewGuid().ToString("N");
using (Bitmap coverImage = ImageUtil.GetImage(param.SlideImage))
using (Bitmap sourceImage = ImageUtil.GetImage(param.BackgroundImage))
{
result.BgWidth = sourceImage.Width;
result.BgHeight = sourceImage.Height;
result.SlideWidth = coverImage.Width;
result.SlideHeight = coverImage.Height;
result.PositionX = random.Next(coverImage.Width, sourceImage.Width - coverImage.Width - param.Edge);
result.PositionY = random.Next(coverImage.Height, sourceImage.Height - coverImage.Height);
//滑块图片
result.SlideImg = CaptureImage(sourceImage, coverImage, result.PositionX, result.PositionY);
//背景图片
result.BackgroundImg = DrawBackground(sourceImage, coverImage, result.PositionX, result.PositionY, param.MixedCount);
}
return(result);
}
/// <summary>
/// 添加
/// </summary>
/// <param name="data"></param>
/// <param name="expire"></param>
public void Add(SlideVerificationInfo data, TimeSpan expire)
{
this.store.Set(data.Key, data, expire);
}