/// <summary>
/// 删除文件系统中的文件
/// </summary>
/// <param name="attachment">附件</param>
protected void DeleteStoredFile(T attachment)
{
//如果属于图片附件，则还需删除生成的图片缩略图及附件原图
if (attachment.MediaType == MediaType.Image)
{
//删除所有图(包括原始图、缩略图)
StoreProvider.DeleteFiles(attachment.GetRelativePath(), attachment.FileName);
}
else
{
StoreProvider.DeleteFile(attachment.GetRelativePath(), attachment.FileName);
}
}
/// <summary>
/// 上传Logo
/// </summary>
/// <param name="associateId"></param>
/// <param name="stream"></param>
/// <returns>上传文件的相对路径（包含文件名）</returns>
public string UploadLogo(object associateId, Stream stream)
{
string relativeFileName = string.Empty;
if (stream != null)
{
ILogoSettingsManager logoSettingsManager = DIContainer.Resolve <ILogoSettingsManager>();
LogoSettings logoSettings = logoSettingsManager.Get();
//检查是否需要缩放原图
Image image = Image.FromStream(stream);
if (image.Height > this.TenantLogoSettings.MaxHeight || image.Width > this.TenantLogoSettings.MaxWidth)
{
stream = ImageProcessor.Resize(stream, this.TenantLogoSettings.MaxWidth, this.TenantLogoSettings.MaxHeight, logoSettings.ResizeMethod);
}
string relativePath = GetLogoRelativePath(associateId);
string fileName = GetLogoFileName(associateId);
relativeFileName = relativePath + "\\" + fileName;
StoreProvider.AddOrUpdateFile(relativePath, fileName, stream);
stream.Dispose();
//根据不同租户类型的设置生成不同尺寸的图片，用于图片直连访问
if (this.TenantLogoSettings.ImageSizeTypes != null && this.TenantLogoSettings.ImageSizeTypes.Count > 0)
{
foreach (var imageSizeType in this.TenantLogoSettings.ImageSizeTypes.Values)
{
string sizedFileName = StoreProvider.GetSizeImageName(fileName, imageSizeType.Key, imageSizeType.Value);
StoreProvider.DeleteFile(relativePath, sizedFileName);
IStoreFile file = StoreProvider.GetResizedImage(relativePath, fileName, imageSizeType.Key, imageSizeType.Value);
}
}
}
return(relativeFileName);
}