private BFInfo SaveBF(BLLBFInfo bllbf, HttpPostedFileBase hf, int sysid, int bfid, int width, int height)
{
string filename = hf.FileName;
string extname = System.IO.Path.GetExtension(filename).ToLower();
string fname = System.IO.Path.GetFileNameWithoutExtension(filename);
Stream newfile = hf.InputStream;
BFInfo bfinfo;
if (hf.ContentType.ToLower().Contains("image"))
{
Image image = System.Drawing.Image.FromStream(hf.InputStream);
newfile = GetThumbnail(image, width, height);
}
newfile.Seek(0, SeekOrigin.Begin);
OssClient oc = new OssClient(AccessKeyID, AccessKeySecret);
string newfilename = DateTime.Now.ToString("yyMMdd") + "/" + Guid.NewGuid().ToString();
PutObjectResult pr = oc.PutObject(BucketName, newfilename, newfile);
if (bfid == 0)
{
bfinfo = new BFInfo();
bfinfo.SysID = sysid;
bfinfo.OrignName = fname;
bfinfo.ExtName = extname;
bfinfo.MineType = hf.ContentType;
bfinfo.LastViewDateTime = bfinfo.CrtDateTime = DateTime.Now;
bfinfo.OSSFileName = newfilename;
bfinfo.GetCount = 0;
bllbf.Add(bfinfo);
}
else
{
bfinfo = bllbf.Find(bfid);
bfinfo.OrignName = fname;
bfinfo.ExtName = extname;
bfinfo.MineType = hf.ContentType;
bfinfo.CrtDateTime = DateTime.Now;
bfinfo.OSSFileName = newfilename;
bfinfo.GetCount = 0;
bllbf.UpDate(bfinfo);
}
return bfinfo;
}
public ActionResult GetFile(int id, int width = 0, int height = 0)
{
int bfid = id;
BLLBFInfo bllbfinfo = new BLLBFInfo();
var bfinfo = bllbfinfo.Find(bfid);
if (bfinfo == null)
{
return Content("不存在的数据");
}
else
{
bfinfo.LastViewDateTime = DateTime.Now;
bfinfo.GetCount++;
bllbfinfo.UpDate(bfinfo);
//返回一个二进制流！根据类型，来判断，需要返回的内容！
MemoryStream ms = new MemoryStream();
OssClient oc = new OssClient(AccessKeyID, AccessKeySecret);
GetObjectRequest getObjectRequest = new GetObjectRequest(BucketName, bfinfo.OSSFileName);
oc.GetObject(getObjectRequest, ms);
if (bfinfo.MineType.Contains("image"))
{
if (width == 0 && height == 0)
{
return File(ms.ToArray(), bfinfo.MineType);
}
else
{
Image image = System.Drawing.Image.FromStream(ms);
return File(GetThumbnail(image, width, height).ToArray(), bfinfo.MineType);
}
}
else
{
return File(ms.ToArray(), bfinfo.MineType);
}
}
}
public ActionResult Delete(int bfid)
{
BLLBFInfo bllbfinfo = new BLLBFInfo();
var bfinfo = bllbfinfo.Find(bfid);
OssClient oc = new OssClient(AccessKeyID, AccessKeySecret);
oc.DeleteObject(BucketName, bfinfo.OSSFileName);
bllbfinfo.Delete(bfinfo);
return View();
}