public object Upload(HttpContext context)
{
if (context.Request.Files.Count < 1)
{
throw new ArgumentException("必须指定上传的文件内容");
}
long Position = long.Parse(context.Request["Position"]);
long FileSize = long.Parse(context.Request["FileSize"]);
string fileId = context.Request["fileId"];
string fullName = context.Request["WebkitRelativePath"];
fullName = String.IsNullOrWhiteSpace(fullName) ? context.Request.Files[0].FileName : fullName;
var rootFolder = this.GetRootFolder(context);
var filePath = System.IO.Path.Combine(rootFolder, fullName);
Model.FileEntity fe = null;
if (Position == 0 && string.IsNullOrEmpty(fileId))
{
if (System.IO.File.Exists(filePath))
{
throw new ArgumentException($"文件已经存在:{fullName}");
}
fe = new Model.FileEntity()
{
ClientHashValue = "md5",
FullName = fullName.Replace("/", "\\"),
Size = FileSize,
UploadStepValue = Model.UploadStep.进行中
};
this.dbcontext.FileEntity.Add(fe);
this.dbcontext.SaveChanges();
}
var fileFolder = System.IO.Path.GetDirectoryName(filePath);
if (!System.IO.Directory.Exists(fileFolder))
{
System.IO.Directory.CreateDirectory(fileFolder);
}
using (var filestream = new System.IO.FileStream(filePath, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite, System.IO.FileShare.ReadWrite))
{
filestream.Position = Position;
context.Request.Files[0].InputStream.CopyTo(filestream);
filestream.Flush(true);
if (!string.IsNullOrEmpty(fileId))
{
context.Cache[fileId] = filestream.Position - 1;
}
}
return(new { msg = "ok", fe?.Id });
}
public object Complete(HttpContext context)
{
var fileid = context.Request["fileid"];
var fe = new Model.FileEntity()
{
Id = int.Parse(fileid), UploadStepValue = Model.UploadStep.完成
};
this.dbcontext.Configuration.ValidateOnSaveEnabled = false;
var fewrapper = this.dbcontext.Entry(fe);
fewrapper.State = System.Data.Entity.EntityState.Unchanged;
fewrapper.Property(x => x.UploadStepValue).IsModified = true;
this.dbcontext.SaveChanges();
return(new { msg = "ok" });
}
