| <HTML> <HEAD> <TITLE>文件排序演示</TITLE> </HEAD> <BODY> <% ' 設定一個演示目錄，：） CONST DIRECTORY = "/" ' 用常數定義排序方式 CONST FILE_NAME = 0 '按照名字排序……依次類推 CONST FILE_EXT = 1 CONST FILE_TYPE = 2 CONST FILE_SIZE = 3 CONST FILE_CREATED = 4 CONST FILE_MODIFIED = 5 CONST FILE_ACCESSED = 6 '獲得 排序命令，默認為按照名字排序 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) '設置倒序 If sortBy = priorSort Then reverse = true priorSort = -1 Else reverse = false priorSort = sortBy End If ' 接下來開始我們真正的代碼了。。。 path = Server.MapPath(DIRECTORY) Set fso = CreateObject("Scripting.FileSystemObject") Set theCurrentFolder = fso.GetFolder(path) Set curFiles = theCurrentFolder.Files ' 給這些文件做一個循環 Dim theFiles() ReDim theFiles(500) ' 我隨便定的一個大小 currentSlot = -1 ' start before first slot ' 我們將文件的所有相關信息放到數組里面 For Each fileItem in curFiles fname = fileItem.Name fext = InStrRev(fname, ".") If fext < 1 Then fext = "" Else fext = Mid(fname,fext+1) ftype = fileItem.Type fsize = fileItem.Size fcreate = fileItem.DateCreated fmod = fileItem.DateLastModified faccess = fileItem.DateLastAccessed currentSlot = currentSlot + 1 If currentSlot > UBound(theFiles) Then ReDim Preserve theFiles(currentSlot + 99) End If ' 放到數組里 theFiles(currentSlot) = Array(fname,fext,ftype,fsize,fcreate,fmod,faccess) Next ' 現在都在數組里了，開始下一步 fileCount = currentSlot ' 文件數量 ReDim Preserve theFiles(currentSlot) ' 排序 ' (8 表示 string) If VarType(theFiles(0)(sortBy)) = 8 Then If reverse Then kind = 1 Else kind = 2 ' 給字符排序 Else If reverse Then kind = 3 Else kind = 4 '數字、時間。。。 End If For i = fileCount TO 0 Step -1 minmax = theFiles(0)(sortBy) minmaxSlot = 0 For j = 1 To i Select Case kind Case 1 mark = (strComp(theFiles(j)(sortBy), minmax, vbTextCompare) < 0) Case 2 mark = (strComp(theFiles(j)(sortBy), minmax, vbTextCompare) > 0) Case 3 mark = (theFiles(j)(sortBy) < minmax) Case 4 mark = (theFiles(j)(sortBy) > minmax) End Select If mark Then minmax = theFiles(j)(sortBy) minmaxSlot = j End If Next If minmaxSlot <> i Then temp = theFiles(minmaxSlot) theFiles(minmaxSlot) = theFiles(i) theFiles(i) = temp End If Next ' 結束 %> <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"> 顯示<% = (fileCount+1) %> 該目錄下的文件<% = path %> </FONT> <P> 單擊排序，再點一次反向排序 <P> <TABLE Border=1 CellPadding=3> <TR> <TH><A HREF="javascript:reSort(0);">文件名</A></TH> <TH><A HREF="javascript:reSort(1);">擴展名</A></TH> <TH><A HREF="javascript:reSort(2);">類型</A></TH> <TH><A HREF="javascript:reSort(3);">大小</A></TH> <TH><A HREF="javascript:reSort(4);">建立時間</A></TH> <TH><A HREF="javascript:reSort(5);">上次修改時間</A></TH> <TH><A HREF="javascript:reSort(6);">上次存取時間</A></TH> </TR> <% For i = 0 To fileCount Response.Write "<TR>" & vbNewLine For j = 0 To UBound(theFiles(i)) Response.Write " <TD>" & theFiles(i)(j) & "</TD>" & vbNewLine Next Response.Write "</TR>" & vbNewLine Next %> </TABLE> </BODY> </HTML> |
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