private void HandleUploadImage(ScenicPageModel model, ScenicSpot scenicSpot, string PropertyName)
{
var iFormFile = (IFormFile)GetPropValue(model, PropertyName);
if (iFormFile != null)
{
//有選擇檔案, 先檢查檔名
string filename = iFormFile.FileName;
var targetFile = Path.Combine(_env.WebRootPath, "images", "scenics", iFormFile.FileName);
int index = 1;
while (System.IO.File.Exists(targetFile))
{
//改名改到不同名稱為止
filename = String.Format("{0}_{1}.{2}",
Path.GetFileNameWithoutExtension(iFormFile.FileName),
index,
Path.GetExtension(iFormFile.FileName));
targetFile = Path.Combine(_env.WebRootPath, "images", "scenics", filename);
index++;
}
iFormFile.CopyTo(new FileStream(targetFile, FileMode.Create));
// 這邊要剛好 PageModel 裡面的 IFormFile 屬性名稱 與 ScenicSpot裡面的一樣
SetPropValue(model.ScenicSpot, PropertyName, filename);
SetPropValue(scenicSpot, PropertyName, filename);
}
}
public IActionResult Save(ScenicPageModel model)
{
if (ModelState.IsValid)
{
var scenicSpot = _context.ScenicSpot.Find(model.ScenicSpot.Id);
if (model.ScenicSpot.Id != 0)
{
if (scenicSpot == null)
{
return(Content("資料錯誤"));
}
else
{
scenicSpot.Name = model.ScenicSpot.Name;
scenicSpot.Desc = model.ScenicSpot.Desc;
scenicSpot.Seq = model.ScenicSpot.Seq;
scenicSpot.UpdateTime = DateTime.Now;
}
}
else
{
scenicSpot = model.ScenicSpot;
scenicSpot.UpdateTime = DateTime.Now;
_context.ScenicSpot.Add(scenicSpot);
}
HandleUploadImage(model, scenicSpot, "Cover");
HandleUploadImage(model, scenicSpot, "Pic1");
HandleUploadImage(model, scenicSpot, "Pic2");
HandleUploadImage(model, scenicSpot, "Pic3");
_context.SaveChanges();
return(RedirectToAction("Index"));
}
return(View("~/Areas/Admin/Views//Edit.cshtml", model.ScenicSpot.Id));
}
