如何使用AspUpload组件上传文件？

使用AspUpload组件上传文件，使用范例代码如下：
AspUpload组件上传测试

<form method="POST" enctype="multipart/form-data" action="?act=upload">        <input type="file" size="40" name="file1">        <br>        <!--<input type="file" size="40" name="file2"><br> <input type="file" size="40" name="file3"><br>-->        <br>其他表单项        <input type="text" name="uploadText" value="">        <br>        <br>        <input type="submit" value="上传文件">    </form>    <% if request( "act")="upload" then AllowExt="jpg,png,gif,zip,rar,sql,txt,bak" On Error Resume Next ' 新建AspUpload对象 Set Upload = Server.CreateObject("Persits.Upload") ' 限制文件大小 Upload.SetMaxSize 4194304, True ' 上传路径--当前目录下的test目录 uploadDir = Server.MapPath("test") ' 尝试创建路径文件夹,true表示忽略目录已存在错误 Upload.CreateDirectory uploadDir, true ' 先上传文件至服务器内存 Count = Upload.Save() ' 检测上传错误 If Err.Number=8 Then Response.Write chinese2unicode( "错误: 文件过大!") Response.end Else If Err <>0 Then response.write chinese2unicode("发生错误：") response.write chinese2unicode(Err.Description) response.end End If End If 'Response.Write chinese2unicode("共 " & Count & " 个文件") & "        <br>        <br>" ' 指定一个上传的表单文件 Set File = Upload.Files("file1") If Not File Is Nothing Then ' 获取原本文件名 Filename = File.Filename ' 获取文件扩展名 Fileext = File.Ext ' 检测文件格式是否合格 ChkStr = ","&Lcase(AllowExt)&"," If Instr(ChkStr,","&right(Fileext,3)&",")        <=0 Then Response.Write chinese2unicode( "错误: 文件类型不正确!") response.write "<br>" response.write chinese2unicode( "只允许:"&AllowExt) ' 删除内存中的临时文件，以释放内存或硬盘空间(还可用Copy、Move两个指令)   File.Delete  ' 检测是否存在文件 elseif Upload.FileExists(uploadDir & "" & Filename) Then File.SaveAs uploadDir & "" & Filename Response.Write chinese2unicode( "已覆盖存在相同文件名的文件: ") & File.Path ' 保存文件  else   File.SaveAs uploadDir & "" & Filename   Response.Write chinese2unicode("文件已保存到: ") & File.Path  end If Else  Response.Write chinese2unicode("错误: 您并没有选择文件!") End If Response.Write "<br><br>" ' ' 批量上传文件，去掉注释即可用。 For Each File in Upload.Files   'File.SaveAs uploadDir & "" & File.FileName 'Response.Write chinese2unicode("文件已保存到: ") & File.Path & "<br>" Next'Response.Write "<br><br>Files:<br>" For Each File in Upload.Files 'Response.Write File.Name & "= " & File.Path & " (" & File.Size &" bytes)<br>"Next' ' 列出其他表单内容(必须执行Upload.Save()后才有效)For Each Item in Upload.Form Response.Write Item.Name & " = " & Item.Value & "<br>"Next'列出指定的表单内容 Response.Write "<br>"&chinese2unicode( "列出指定内容uploadText:"&Upload.Form( "uploadText").value) end if ' gb2312转unicode，解决中文乱码问题function chinese2unicode(Str) dim i dim Str_one dim Str_unicode for i=1 to len(Str)  Str_one=Mid(Str,i,1)  Str_unicode=Str_unicode&chr(38)  Str_unicode=Str_unicode&chr(35)  Str_unicode=Str_unicode&chr(120)  Str_unicode=Str_unicode& Hex(ascw(Str_one))  Str_unicode=Str_unicode&chr(59) next Response.Write Str_unicodeend function    %>