Dim strFiles As String = "d:\20160706101010.bak "Dim strdate As String = FileSys.GetName(strFiles)Dim Filesdate As String '文件日期Dim strToDay As String '今天Dim Intday As String
Filesdate = strdate.SubString(0,8)strToDay = Format(Date.Today(), "yyyyMMdd")Output.Show("文件日期与今天相差:" & strToDay - Filesdate & "天")
‘进行判断并进行相应删除代码……………………