public dynamic Upload([FromUri] UploadFileDto model)
{
return(UploadAsync(model).Result);
}
public async Task <dynamic> UploadAsync([FromUri] UploadFileDto model)
{
return(await UploadAsync(Request, model));
}
private async Task <dynamic> UploadAsync(HttpRequestMessage request, [FromUri] UploadFileDto model)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
try
{
var mr = new MessageResult();
var fileUrls = new List <string>();
var httpRequest = HttpContext.Current.Request;
foreach (string httpFile in httpRequest.Files)
{
var postedFile = httpRequest.Files[httpFile];
if (postedFile != null && postedFile.ContentLength > 0)
{
var fileName = postedFile.FileName;
string extension = GetFileExtension(fileName);
bool isAllowed = CheckAllowedExtensions(extension);
if (!isAllowed)
{
mr.Message = "不支持的文件格式：" + extension;
mr.Success = false;
return(await Task.FromResult(mr));
}
int maxM = 10;
int MaxContentLength = 1024 * 1024 * maxM; //Size = 10 MB //todo
if (postedFile.ContentLength > MaxContentLength)
{
mr.Message = string.Format("超出上传最大限制：{0}M", maxM);
mr.Success = false;
return(await Task.FromResult(mr));
}
var server = HttpContext.Current.Server;
var saveFolder = server.MapPath(model.VirtualFolder.TrimEnd('/'));
var theFileName = fileName;
if (!string.IsNullOrWhiteSpace(model.FileName))
{
theFileName = model.FileName;
}
var savePath = Path.Combine(saveFolder, theFileName);
//Deletion exists file
if (File.Exists(savePath))
{
File.Delete(savePath);
}
MakeSureFolderExist(saveFolder);
postedFile.SaveAs(savePath);
var fileUrl = string.Format("{0}/{1}", model.VirtualFolder.TrimEnd('/'), theFileName);
fileUrls.Add(fileUrl);
}
else
{
fileUrls.Add(null);
}
}
mr.Message = "上传完成";
mr.Success = true;
mr.Data = fileUrls;
return(await Task.FromResult(mr));
}
catch (Exception ex)
{
return(request.CreateErrorResponse(HttpStatusCode.InternalServerError, ex));
}
}