分析ASP无组件上载 带进度条 多文件上载
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以下为引用的内容：Example.asp <%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%> <!--#include file="SundyUpload.asp"--> <% '此例子文档编码都是UTF-8,如果是其他编码的系统，请将编码转换为相应的编码，不然表单获取数据可能会乱码 Dim objUpload,opt Dim xmlPath Dim fileFormName,objFile,counter opt = request.QueryString("opt") If opt = "Upload" Then xmlPath = Server.MapPath(request.QueryString("xmlPath"))'将虚拟路径转换为实际路径 Set objUpload=new SundyUpload '建立上传对象 objUpload.UploadInit xmlPath,"utf-8" counter = 1 Response.Write("普通表单：" & objUpload.Form("normalForm") & "<BR><BR>")'获取表单数据 For Each fileFormName In objUpload.objFile Set objFile=objUpload.objFile(fileFormName) fileSize = objFile.FileSize strTemp= objFile.FilePath Response.Write strTemp fileName = mid(strTemp,InStrRev(strTemp, "/") 1) If fileSize > 0 Then Response.Write("File Size:" & fileSize & "<BR>") Response.Write("File Name:" & objFile.FilePath & "<BR>") ' Response.Write("File Description:" & objUpload.Form("fileDesc" & counter) & "<BR><BR>") objFile.SaveAs Server.MapPath(".") & "/upload/" & fileName Response.Write "Save at: "&Server.MapPath(".") & "/upload/" & fileName & "<br><br>" End If counter = counter 1 Next
End If '为上载进度条数据文件（XML文件指定虚拟路径） '最好是随机的，因为可能多个人同时上载，需要不同的进度数据 '这个路径需要在提交的时候传入上载组件中，以便在上载过程中更改进度数据 '客户端使用Javascript来读取此XML文件，显示进度 xmlPath = "upload/" & Timer & ".xml" %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Sundy Upload Progress Bar Example</title> <script language="javascript"> function chkFrm(){ var objFrm = document.frmUpload; if (objFrm.file1.value=="" && objFrm.file2.value==""){ alert("请选择一个文件"); objFrm.file1.focus(); return false; } objFrm.action = "Example.asp?opt=Upload&xmlPath=<%=xmlPath%>"; startProgress('<%=xmlPath%>');//启动进度条 return true; } </script> </head> <body> <form name="frmUpload" method="post" action="Example.asp" enctype="multipart/form-data" onSubmit="return chkFrm()"> 普通表单：<BR><input type="text" name="normalForm" size="40"><BR><BR> 文件1：<BR> <input type="file" name="file1" size="40"></br> <input type="text" name="fileDesc1" size="30"><BR><BR> 文件2：<BR> <input type="file" name="file2" size="40"></br> <input type="text" name="fileDesc2" size="30"><BR> 文件3：<BR> <input type="file" name="file3" size="40"></br> 文件4：<BR> <input type="file" name="file4" size="40"></br> 文件5：<BR> <input type="file" name="file5" size="40"></br> <input type="submit" name="btnSubmit" value="submit"/> </form> </body> </html> SundyUpload.asp <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <% Dim SundyUpload_SourceData Class SundyUpload Dim objForm,objFile,Version,objProgress Dim xmlPath,CharsetEncoding Public Function Form(strForm) strForm=lcase(strForm) If NOT objForm.exists(strForm) Then Form="" Else Form=objForm(strForm) End If End Function Public Function File(strFile) strFile=lcase(strFile) If NOT objFile.exists(strFile) Then Set File=new FileInfo Else Set File=objFile(strFile) End If End Function
Public Sub UploadInit(progressXmlPath,charset) Dim RequestData,sStart,Crlf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,theFile Dim iFileSize,sFilePath,sFileType,sFormValue,sFileName Dim iFindStart,iFindEnd Dim iFormStart,iFormEnd,sFormName
Version="Upload Width Progress Bar Version 1.0" Set objForm=Server.CreateObject("Scripting.Dictionary") Set objFile=Server.CreateObject("Scripting.Dictionary") If Request.TotalBytes<1 Then Exit Sub Set tStream = Server.CreateObject("adodb.stream") Set SundyUpload_SourceData = Server.CreateObject("adodb.stream") SundyUpload_SourceData.Type = 1 SundyUpload_SourceData.Mode =3 SundyUpload_SourceData.Open
Dim TotalBytes Dim ChunkReadSize Dim DataPart, PartSize Dim objProgress
TotalBytes = Request.TotalBytes ' 总大小 ChunkReadSize = 64 * 1024 ' 分块大小64K BytesRead = 0 xmlPath = progressXmlPath CharsetEncoding = charset If CharsetEncoding = "" Then CharsetEncoding = "utf-8" End If Set objProgress = New Progress objProgress.ProgressInit(xmlPath) objProgress.UpdateProgress Totalbytes,0 '循环分块读取 Do While BytesRead < TotalBytes '分块读取 PartSize = ChunkReadSize If PartSize BytesRead > TotalBytes Then PartSize = TotalBytes - BytesRead DataPart = Request.BinaryRead(PartSize) BytesRead = BytesRead PartSize
SundyUpload_SourceData.Write DataPart
objProgress.UpdateProgress Totalbytes,BytesRead Loop 'SundyUpload_SourceData.Write Request.BinaryRead(Request.TotalBytes) SundyUpload_SourceData.Position=0 RequestData =SundyUpload_SourceData.Read
iFormStart = 1 iFormEnd = LenB(RequestData) Crlf = chrB(13) & chrB(10) sStart = MidB(RequestData,1, InStrB(iFormStart,RequestData,Crlf)-1) iStart = LenB (sStart) iFormStart=iFormStart iStart 1 While (iFormStart 10) < iFormEnd iInfoEnd = InStrB(iFormStart,RequestData,Crlf & Crlf) 3 tStream.Type = 1 tStream.Mode =3 tStream.Open SundyUpload_SourceData.Position = iFormStart SundyUpload_SourceData.CopyTo tStream,iInfoEnd-iFormStart tStream.Position = 0 tStream.Type = 2 tStream.Charset =CharsetEncoding sInfo = tStream.ReadText tStream.Close '取得表单项目名称 iFormStart = InStrB(iInfoEnd,RequestData,sStart) iFindStart = InStr(22,sInfo,"name=""",1) 6 iFindEnd = InStr(iFindStart,sInfo,"""",1) sFormName = lcase(Mid (sinfo,iFindStart,iFindEnd-iFindStart)) '如果是文件 If InStr (45,sInfo,"filename=""",1) > 0 Then Set theFile=new FileInfo '取得文件名 iFindStart = InStr(iFindEnd,sInfo,"filename=""",1) 10 iFindEnd = InStr(iFindStart,sInfo,"""",1) sFileName = Mid (sinfo,iFindStart,iFindEnd-iFindStart) theFile.FileName=getFileName(sFileName) theFile.FilePath=getFilePath(sFileName) '取得文件类型 iFindStart = InStr(iFindEnd,sInfo,"Content-Type: ",1) 14 iFindEnd = InStr(iFindStart,sInfo,vbCr) theFile.FileType =Mid (sinfo,iFindStart,iFindEnd-iFindStart) theFile.FileStart =iInfoEnd theFile.FileSize = iFormStart -iInfoEnd -3 theFile.FormName=sFormName If NOT objFile.Exists(sFormName) Then objFile.add sFormName,theFile End If Else '如果是表单项目 tStream.Type =1 tStream.Mode =3 tStream.Open SundyUpload_SourceData.Position = iInfoEnd SundyUpload_SourceData.CopyTo tStream,iFormStart-iInfoEnd-3 tStream.Position = 0 tStream.Type = 2 tStream.Charset = CharsetEncoding sFormValue = tStream.ReadText tStream.Close If objForm.Exists(sFormName) Then objForm(sFormName)=objForm(sFormName)&", "&sFormValue Else objForm.Add sFormName,sFormValue End If End If iFormStart=iFormStart iStart 1 Wend RequestData="" Set tStream = Nothing End Sub Private Sub Class_Initialize
End Sub
Private Sub Class_Terminate If Request.TotalBytes>0 Then objForm.RemoveAll objFile.RemoveAll Set objForm=Nothing Set objFile=Nothing SundyUpload_SourceData.Close Set SundyUpload_SourceData = Nothing End If Set objProgress = Nothing Set objFso = Server.CreateObject("Scripting.FileSystemObject") If objFso.FileExists(xmlPath) Then objFso.DeleteFile(xmlPath) End If Set objFso = Nothing End Sub
Private Function GetFilePath(FullPath) If FullPath <> "" Then GetFilePath = left(FullPath,InStrRev(FullPath, "")) Else GetFilePath = "" End If End Function
Private Function GetFileName(FullPath) If FullPath <> "" Then GetFileName = mid(FullPath,InStrRev(FullPath, "/") 1) Else GetFileName = "" End If End Function End Class Class FileInfo Dim FormName,FileName,FilePath,FileSize,FileType,FileStart Private Sub Class_Initialize FileName = "" FilePath = "" FileSize = 0 FileStart= 0 FormName = "" FileType = "" End Sub
Public Function SaveAs(FullPath) Dim dr,ErrorChar,i SaveAs=True 'Response.Write fullpath & ".....................<br>" 'FileName="ss.txt" If trim(fullpath)="" or FileStart=0 or fileName="" or right(fullpath,1)="/" Then Exit Function 'Response.Write "2........................<br>" Set dr=CreateObject("Adodb.Stream") dr.Mode=3 dr.Type=1 dr.Open SundyUpload_SourceData.position=FileStart SundyUpload_SourceData.copyto dr,FileSize dr.SaveToFile FullPath,2 dr.Close Set dr=Nothing SaveAs=False End Function End Class Class Progress Dim objDom,xmlPath Dim startTime Private Sub Class_Initialize End Sub
Public Sub ProgressInit(xmlPathTmp) Dim objRoot,objChild Dim objPI xmlPath = xmlPathTmp Set objDom = Server.CreateObject("Microsoft.XMLDOM") Set objRoot = objDom.createElement("progress") objDom.appendChild objRoot
Set objChild = objDom.createElement("totalbytes") objChild.Text = "0" objRoot.appendChild objChild Set objChild = objDom.createElement("uploadbytes") objChild.Text = "0" objRoot.appendChild objChild Set objChild = objDom.createElement("uploadpercent") objChild.Text = "0%" objRoot.appendChild objChild Set objChild = objDom.createElement("uploadspeed") objChild.Text = "0" objRoot.appendChild objChild Set objChild = objDom.createElement("totaltime") objChild.Text = "00:00:00" objRoot.appendChild objChild Set objChild = objDom.createElement("lefttime") objChild.Text = "00:00:00" objRoot.appendChild objChild
Set objPI = objDom.createProcessingInstruction("xml","version='1.0' encoding='utf-8'") objDom.insertBefore objPI, objDom.childNodes(0) objDom.Save xmlPath Set objPI = Nothing Set objChild = Nothing Set objRoot = Nothing Set objDom = Nothing End Sub
Sub UpdateProgress(tBytes,rBytes) Dim eTime,currentTime,speed,totalTime,leftTime,percent If rBytes = 0 Then startTime = Timer Set objDom = Server.CreateObject("Microsoft.XMLDOM") objDom.load(xmlPath) objDom.selectsinglenode("//totalbytes").text=tBytes objDom.save(xmlPath) Else speed = 0.0001 currentTime = Timer eTime = currentTime - startTime If eTime>0 Then speed = rBytes / eTime totalTime = tBytes / speed leftTime = (tBytes - rBytes) / speed percent = Round(rBytes *100 / tBytes) 'objDom.selectsinglenode("//uploadbytes").text = rBytes 'objDom.selectsinglenode("//uploadspeed").text = speed 'objDom.selectsinglenode("//totaltime").text = totalTime 'objDom.selectsinglenode("//lefttime").text = leftTime objDom.selectsinglenode("//uploadbytes").text = FormatFileSize(rBytes) & " / " & FormatFileSize(tBytes) objDom.selectsinglenode("//uploadpercent").text = percent objDom.selectsinglenode("//uploadspeed").text = FormatFileSize(speed) & "/sec" objDom.selectsinglenode("//totaltime").text = SecToTime(totalTime) objDom.selectsinglenode("//lefttime").text = SecToTime(leftTime) objDom.save(xmlPath) End If End Sub private Function SecToTime(sec) Dim h:h = "0" Dim m:m = "0" Dim s:s = "0" h = round(sec / 3600) m = round( (sec mod 3600) / 60) s = round(sec mod 60) If LEN(h)=1 Then h = "0" & h If LEN(m)=1 Then m = "0" & m If LEN(s)=1 Then s = "0" & s SecToTime = (h & ":" & m & ":" & s) End Function
private Function FormatFileSize(fsize) Dim radio,k,m,g,unitTMP k = 1024 m = 1024*1024 g = 1024*1024*1024 radio = 1 If Fix(fsize / g) > 0.0 Then unitTMP = "GB" radio = g ElseIf Fix(fsize / m) > 0 Then unitTMP = "MB" radio = m ElseIf Fix(fsize / k) > 0 Then unitTMP = "KB" radio = k Else unitTMP = "B" radio = 1 End If If radio = 1 Then FormatFileSize = fsize & " " & unitTMP Else FormatFileSize = FormatNumber(fsize/radio,3) & unitTMP End If End Function Private Sub Class_Terminate Set objDom = Nothing End Sub End Class 'http://www.CuoXIn.com/ %> <script language="javascript"> //启动进度条 function startProgress(xmlPath){ displayProgress(); setProgressDivPos(); setTimeout("DisplayProgressBar('" xmlPath "')",500); } function DisplayProgressBar(xmlPath){ var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.3.0"); xmlDoc.async = false; xmlDoc.load(xmlPath); if (xmlDoc.parseError.errorCode!=0){ var error = xmlDoc.parseError; alert(error.reason) setTimeout("DisplayProgressBar('" xmlPath "')",1000); return; } var root = xmlDoc.documentElement; //根节点 var totalbytes = root.childNodes(0).text; var uploadbytes = root.childNodes(1).text; var percent = root.childNodes(2).text; ProgressPercent.innerHTML = percent "%"; ProgressBar.style.width = percent "%"; uploadSize.innerHTML = uploadbytes; uploadSpeed.innerHTML = root.childNodes(3).text; totalTime.innerHTML = root.childNodes(4).text; leftTime.innerHTML = root.childNodes(5).text; if (percent<100){ setTimeout("DisplayProgressBar('" xmlPath "')",1000); } } function displayProgress(){ var objProgress = document.getElementById("Progress"); objProgress.style.display = ""; } function closeProgress(){ var objProgress = document.getElementById("Progress"); objProgress.style.display = "none"; } function setProgressDivPos(){ var objProgress = document.getElementById("Progress"); objProgress.style.top = document.body.scrollTop (document.body.clientHeight-document.getElementById("Progress").offsetHeight)/2 objProgress.style.left = document.body.scrollLeft (document.body.clientWidth-document.getElementById("Progress").offsetWidth)/2; } </script> <style type="text/css"> .progress { position: absolute; padding: 4px; top: 50; left: 400; font-family: Verdana, Helvetica, Arial, sans-serif; font-size: 12px; width: 250px; height:100px; background: #FFFBD1; color: #3D2C05; border: 1px solid #715208; /* Mozilla proprietary */ -moz-border-radius: 5px; /*-moz-opacity: 0.95; */ } .progress table,.progress td{ font-size:9pt; } .Bar{ width:100%; height:15px; background-color:#CCCCCC; border: 1px inset #666666; margin-bottom:4px; } .ProgressPercent{ font-size: 9pt; color: #000000; height: 15px; position: absolute; z-index: 20; width: 100%; text-align: center; } .ProgressBar{ background-color:#91D65C; width:1px; height:15px; } </style> <div id="Progress" style="display:none;" class="progress"> <div class="bar"> <div id="ProgressPercent" class="ProgressPercent">0%</div> <div id="ProgressBar" class="ProgressBar"></div> </div> <table border="0" cellspacing="0" cellpadding="2"> <tr> <td>已经上传</td> <td>:</td> <td id="uploadSize"></td> </tr> <tr> <td>上传速度</td> <td>:</td> <td id="uploadSpeed"> </td> </tr> <tr> <td>共需时间</td> <td>:</td> <td id="totalTime"> </td> </tr> <tr> <td>剩余时间</td> <td>:</td> <td id="leftTime"> </td> </tr> </table> </div> （编辑：驾考网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
