/// <summary>
/// 生成缩略图保持原来的比例
/// </summary>
/// <param name="fileData"></param>
/// <param name="fileFolder"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="prefix"></param>
/// <returns></returns>
/// <summary>
/// 生成缩略图保持原来的比例
/// </summary>
/// <param name="fileData"></param>
/// <param name="fileFolder"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="prefix"></param>
/// <returns></returns>
public FileEntity UploadImageThumbnail2
(HttpPostedFile fileData, string fileFolder, string filePhysicalPath, int width, int height, string prefix = "")
{
ThumnailMode mode = ThumnailMode.HW;
string fileType = "jpg";
FileEntity file = new FileEntity();
if (fileData != null)
{
try
{
string filePath = filePhysicalPath + "/";
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
file.DisplayName = Path.GetFileName(fileData.FileName);
file.Extension = Path.GetExtension(file.DisplayName);
file.Size = fileData.ContentLength;
file.ContentType = fileData.ContentType;
file.CreateTime = DateTime.Now;
file.DbName = GetFileDBName(file.Extension);
file.FilePath = "/" + fileFolder + "/" + file.DbName;
Image image = Image.FromStream(fileData.InputStream);
mode = ThumnailMode.Cut;
ThumbnailHelper.Create(image, filePath + file.DbName, width, height, mode, fileType);
return(file);
}
catch (Exception ex)
{
WebLogAgent.Write(ex);
return(null);
}
}
else
{
return(null);
}
}