public IActionResult Post()
{
var files = Request.Form.Files;
long size = files.Sum(f => f.Length);
//size > 100MB refuse upload !
if (size > 104857600)
{
return(Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode("pictures total size > 100MB , server refused !")));
}
var filePathResultList = new List <FileUploadFiles>();
foreach (var file in files)
{
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.ToString().Trim('"');
var old_fileName = fileName;
string filePath = hostingEnv.WebRootPath + $@"\Files\upload\";
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
string suffix = fileName.ToString().Split(".")[1];
//if (!pictureFormatArray.Contains(suffix))
//{
// return Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode("the picture format not support ! you must upload files that suffix like 'png','jpg','jpeg','bmp','gif','ico'."));
//}
fileName = Guid.NewGuid() + "." + suffix;
string fileFullName = filePath + fileName;
using (FileStream fs = System.IO.File.Create(fileFullName))
{
file.CopyTo(fs);
fs.Flush();
}
var ret = new FileUploadFiles()
{
Id = Application.EncryptionDes.Encrypt(fileFullName),
FileName = old_fileName,
Length = file.Length,
};
filePathResultList.Add(ret);
}
string message = $"{files.Count} file(s) /{size} bytes uploaded successfully!";
return(Json(Return_Helper_DG.Success_Msg_Data_DCount_HttpCode(message, filePathResultList, filePathResultList.Count)));
}
public IActionResult Show(string id)
{
string file = EncryptionDes.Decrypt(id);
//file = file.Remove(0, 4);
//string filePath = hostingEnv.WebRootPath + $@"\Files\upload\";
//string fileFullName = filePath + file;
FileInfo tmpFile = new FileInfo(file);
if (!tmpFile.Exists)
{
var message = "文件不存在";
return(Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode(message)));
}
//if (!("," + RoadFlow.Utility.Config.UploadFileType + ",").Contains("," + tmpFile.Extension.Replace(".", "") + ",", StringComparison.CurrentCultureIgnoreCase))
//{
// Response.Write("该文件类型不允许查看!");
// return;
//}
var stream = System.IO.File.OpenRead(tmpFile.FullName);
return(File(stream, "application/vnd.android.package-archive", Path.GetFileName(tmpFile.FullName)));
}
