当您使用FILESYSTEMOBJECT对象获得某个目录下的文件列表的时候，你有没有发现无法控制它们的排序方式，比如按照名字排序，按照扩展名排序，按照文件大小排序等等，让我们试着用数组给它们排排序儿。
如果您想通过名字排序，那将是非常简单的，但是假如你想通过文件大小或者文件创立时间等等来排序的时候，那么将有点麻烦。我们将通过二维数组做到这一点。
下面的代码演示了如何通过选择排序方式达到的我们目的，单击排序，点两次就反着排了。
<HTML><HEAD><TITLE>文件排序演示</TITLE></HEAD><BODY><%' 设定一个演示目录，：）CONST DIRECTORY = "/"' 用常数定义排序方式CONST FILE_NAME = 0 '按照名字排序……依次类推CONST FILE_EXT = 1CONST FILE_TYPE = 2CONST FILE_SIZE = 3CONST FILE_CREATED = 4CONST FILE_MODIFIED = 5CONST FILE_ACCESSED = 6'获得 排序命令，默认为按照名字排序req = Request("sortBy")If Len(req) < 1 Then sortBy = 0 Else sortBy = CInt(req)req = Request("priorSort")If Len(req) < 1 Then priorSort = -1 Else priorSort = CInt(req)'设置倒序If sortBy = priorSort Thenreverse = truepriorSort = -1Elsereverse = falsepriorSort = sortByEnd If' 接下来开始我们真正的代码了。。。path = Server.MapPath(DIRECTORY)Set fso = CreateObject("Scripting.FileSystemObject")Set theCurrentFolder = fso.GetFolder(path)Set curFiles = theCurrentFolder.Files' 给这些文件做一个循环Dim theFiles()ReDim theFiles(500) ' 我随便定的一个大小currentSlot = -1 ' start before first slot' 我们将文件的所有相关信息放到数组里面For Each fileItem in curFilesfname = fileItem.Namefext = InStrRev(fname, ".")If fext < 1 Then fext = "" Else fext = Mid(fname,fext+1)ftype = fileItem.Typefsize = fileItem.Sizefcreate = fileItem.DateCreatedfmod = fileItem.DateLastModifiedfaccess = fileItem.DateLastAccessedcurrentSlot = currentSlot + 1If currentSlot > UBound(theFiles) ThenReDim Preserve theFiles(currentSlot + 99)End If' 放到数组里theFiles(currentSlot) = Array(fname,fext,ftype,fsize,fcreate,fmod,faccess)Next' 现在都在数组里了，开始下一步fileCount = currentSlot ' 文件数量ReDim Preserve theFiles(currentSlot)' 排序' (8 表示 string)If VarType(theFiles(0)(sortBy)) = 8 ThenIf reverse Then kind = 1 Else kind = 2 ' 给字符排序ElseIf reverse Then kind = 3 Else kind = 4 '数字、时间。。。End IfFor i = fileCount TO 0 Step -1minmax = theFiles(0)(sortBy)minmaxSlot = 0For j = 1 To iSelect Case kindCase 1mark = (strComp(theFiles(j)(sortBy), minmax, vbTextCompare) < 0)Case 2mark = (strComp(theFiles(j)(sortBy), minmax, vbTextCompare) > 0)Case 3mark = (theFiles(j)(sortBy) < minmax)Case 4mark = (theFiles(j)(sortBy) > minmax)End SelectIf mark Thenminmax = theFiles(j)(sortBy)minmaxSlot = jEnd IfNextIf minmaxSlot <> i Thentemp = theFiles(minmaxSlot)theFiles(minmaxSlot) = theFiles(i)theFiles(i) = tempEnd IfNext' 结束%><FORM Name="doSort" Method="Get"><INPUT Type=Hidden Name=priorSort Value="<% = priorSort %>"><INPUT Type=Hidden Name=sortBy Value="-1"></FORM><SCRIPT Language="JavaScript">function reSort(which){document.doSort.sortBy.value = which;document.doSort.submit();}</SCRIPT><CENTER><FONT Size="+2">显示<% = (fileCount+1) %> 该目录下的文件<% = path %></FONT><P>单击排序，再点一次反向排序<P><TABLE Border=1 CellPadding=3><TR><TH><A HREF="javascript:reSort(0);">文件名</A></TH><TH><A HREF="javascript:reSort(1);">扩展名</A></TH><TH><A HREF="javascript:reSort(2);">类型</A></TH><TH><A HREF="javascript:reSort(3);">大小</A></TH><TH><A HREF="javascript:reSort(4);">建立时间</A></TH><TH><A HREF="javascript:reSort(5);">上次修改时间</A></TH><TH><A HREF="javascript:reSort(6);">上次存取时间</A></TH></TR><%For i = 0 To fileCountResponse.Write "<TR>" & vbNewLineFor j = 0 To UBound(theFiles(i))Response.Write " <TD>" & theFiles(i)(j) & "</TD>" & vbNewLineNextResponse.Write "</TR>" & vbNewLineNext%></TABLE></BODY></HTML>
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