public async Task <ActionResult> Index(HttpPostedFileBase file)
{
if (file != null)
{
if (file.ContentType == "image/jpeg" || file.ContentType == "image/png" || file.ContentType == "image/gif")
{
//path combine
var filename = Path.GetFileName(file.FileName);
var path = Path.Combine(Server.MapPath("~/FileUpload"), filename);
//check if file exist
if (!System.IO.File.Exists(path))
{
file.SaveAs(path);
}
TextHandler textHandler = new TextHandler(path);
//Send Request to Computer Vision API by TextHandler
TextJson data = await textHandler.MakeORCRequest().ConfigureAwait(false);
if (data == null || data.regions.Count() == 0)
{
TempData["message"] = "無法辨識出文字 \n Can not recognize text";
return(View());
}
var lines = data.regions.FirstOrDefault().lines;
string texts = string.Empty;
foreach (var line in lines)
{
foreach (var word in line.words)
{
texts += word.text + " ";
}
}
ViewBag.texts = texts;
return(View());
}
else
{
TempData["message"] = "請上傳jpeg、png或gif格式的圖檔";
}
}
TempData["message"] = "請上傳圖檔";
return(View());
}