swfupload js中 file 对象的属性

name=3cc68cfc60b87e6dd6887d8a.jpg
modificationdate=Wed   Apr 21 15:48:30 UTC+0800 2010
filestatus=-1
post=[object   Object]
type=.jpg
index=0
size=29006
creationdate=Wed Apr 21 15:48:38 UTC+0800   2010
id=SWFUpload_0_0