html:

                multipart/form-data 提交

javascript:

C#:

var model_submit = new             {                glsort2 = Common.ObjectToInt(_context.Request["glsort2"]),                content = Common.ObjectToString(_context.Request["content"]),                channel = Common.ObjectToString(_context.Request["channel"]),                Data = new List
     
      (),                lng = Common.ObjectToString(_context.Request["lng"]),                lat = Common.ObjectToString(_context.Request["lat"])            };  for (int i = 0; i < _context.Request.Files.Count; i++)            {                var file = _context.Request.Files[i];                var extension = Path.GetExtension(file.FileName).ToLower();               ....            }