/// <summary>
/// http://ddddd.com/Common/File?id=1&FileName=./image/dddd&ImgType=1
/// </summary>
/// <param name="Id"></param>
/// <param name="FileName"></param>
/// <param name="ImgType"></param>
/// <returns></returns>
public ActionResult CommonFile <T1>(int?Id, string FileName, string ImgType, bool watermark = true) where T1 : EntityBase <int>
{
// 修正从DB取得的图片与URL图片不符问题
if (!Id.HasValue && string.IsNullOrEmpty(FileName))
{
LogManager.GetLogger(GetType())
.Error("Id and Filename are all empty! now returning default LillyLogoRed.png image!");
return(File(cmsHost + "Content/img/LillyLogoRed.png", "image/jpeg"));
}
//if (Id.HasValue)
//{
string strPath = Server.MapPath("/" + FileName);
LogManager.GetLogger(GetType()).Debug("Common.File, strPath=" + strPath);
if (!System.IO.File.Exists(strPath))
{
LogManager.GetLogger(GetType()).Debug("File not exists.");
BaseService <T1> service = new BaseService <T1>("CAAdmin");
dynamic obj = service.Repository.GetByKey(Id.Value);
if (obj != null)
{
if (string.IsNullOrEmpty(obj.ImageName))
{
LogManager.GetLogger(GetType())
.Error("The image path in Database was empty!");
return(File(cmsHost + "Content/img/LillyLogoRed.png", "image/jpeg"));
}
// 正确获取数据库上图片信息
strPath = Server.MapPath("/" + obj.ImageName);
if (!System.IO.File.Exists(strPath))
{
CheckAndCreateDirectory(strPath);
using (FileStream fs = new FileStream(strPath, FileMode.Create))
{
fs.Write(obj.ImageContent, 0, obj.ImageContent.Length);
fs.Close();
}
}
}
else
{
return(File(cmsHost + "Content/img/LillyLogoRed.png", "image/jpeg"));
}
}
if (!watermark)
{
return(File(strPath, "image/jpeg"));
}
Image wmImage;
Image img = new Bitmap(strPath);
try
{
// TODO: 先尝试实时添加水印的效果
if (User.Identity != null && !string.IsNullOrEmpty(User.Identity.Name))
{
LogManager.GetLogger(GetType()).Debug("User.Identity found: " + User.Identity.Name);
wmImage = ImageUtility.AddWatermarkText(img, User.Identity.Name, ImageAlign.RightBottom);
return(File(ImageHelper.ImageToBytes(wmImage), "image/jpeg"));
}
else
{
// 否则暂时加个固定水印吧
wmImage = ImageUtility.AddWatermarkText(img, "仅供内部参考", ImageAlign.RightBottom);
LogManager.GetLogger(GetType())
.Debug("User Identity not found, returning strPath + Internal Only:" + strPath);
return(File(ImageHelper.ImageToBytes(wmImage), "image/jpeg"));
}
}
catch (Exception ex)
{
LogManager.GetLogger(GetType())
.Debug("Exception in adding water mark, returning :" + cmsHost + "Content/img/LillyLogoRed.png" +
"\t\r\nException: " + ex.Message + "\t\r\n" + ex.StackTrace);
return(File(cmsHost + "Content/img/LillyLogoRed.png", "image/jpeg"));
}
}
