private string AddOrUpdateFile(Stream stream, ImagesSize[] sizes, string fileKey)
{
if (sizes != null)
foreach (var imagesSize in sizes)
{
if (!this.checkWidthHeight(imagesSize.Width, imagesSize.Height))
{
throw new ArgumentException("图片大小参数错误");
}
}
var filename = this._curFileDisposer.SaveFile(stream, fileKey);
//this.CurKeyDisposer.CreateFileKey(filename,
if (sizes != null)
foreach (var imagesSize in sizes)
{
var width = imagesSize.Width;
var height = imagesSize.Height;
if (this.needThumb(width, height))
{
var streamtemp = Dev.Comm.IO.StreamHelper.CopyFrom(stream);
//缩略后的图像数据
var thumbObj = Thumbnail(streamtemp, width, height);
//保存
var thumbfilename = this._curFileDisposer.UpdateFile(thumbObj, fileKey, "-", width, "_", height);
//filename = thumbfilename;
}
}
return filename;
}
/// <summary>
/// 更新图片
/// </summary>
/// <param name="stream"> </param>
/// <param name="fileKey"> </param>
/// <param name="sizes"> </param>
/// <exception cref="ArgumentException"></exception>
public void UpdateImageFile(Stream stream, string fileKey, ImagesSize[] sizes)
{
var filename = this.AddOrUpdateFile(stream, sizes, fileKey);
}
public string SaveImageFile(Stream stream, string fileName, ImagesSize[] sizes)
{
//实际判断文件类型忽略文件名
var ext = FileUtil.CheckImageExt(stream);
if (fileName == null)
throw new Exception("上传文件非图片类型");
fileName = "x" + ext;
var fileKey = this._curKeyDisposer.CreateFileKey(fileName);
var filename = this.AddOrUpdateFile(stream, sizes, fileKey);
return filename;
}
/// <summary>
/// </summary>
/// <param name="bytefile"> </param>
/// <param name="fileName"> </param>
/// <param name="sizes"> </param>
/// <returns> </returns>
public string SaveImageFile(byte[] bytefile, string fileName, ImagesSize[] sizes)
{
return this.SaveImageFile(new MemoryStream(bytefile), fileName, sizes);
}
