Asp图片上传
<% Response.Buffer = True Server.ScriptTimeOut=9999999 On Error Resume Next%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><meta http-equiv="Content-Language" content="zh-cn" /><meta content="all" name="robots" /> <meta name="author" content="木目,Woodeye" /><meta name="description" content="木目ASP文件上传工具" /> <meta name="keywords" content="木目,ASP,Upload,文件上传" /><style type="text/css"><!--body,input {font-size:12px;}--></style><title>木目ASP文件上传工具</title></head><body id="body"><% ExtName = "jpg,gif,png" '允许扩展名 SavePath = "Upload_img" '保存路径 If Right(SavePath,1)<>"/" Then SavePath=SavePath&"/" '在目录后加(/) CheckAndCreateFolder(SavePath) UpLoadAll_a = Request.TotalBytes '取得客户端全部内容 If(UpLoadAll_a>0) Then If(UpLoadAll_a<=1024*200) Then'=======================此处限制图片大小小于200KB========================= Set UploadStream_c = Server.CreateObject("ADODB.Stream") UploadStream_c.Type = 1 UploadStream_c.Open UploadStream_c.Write Request.BinaryRead(UpLoadAll_a) UploadStream_c.Position = 0 FormDataAll_d = UploadStream_c.Read CrLf_e = chrB(13)&chrB(10) FormStart_f = InStrB(FormDataAll_d,CrLf_e) FormEnd_g = InStrB(FormStart_f+1,FormDataAll_d,CrLf_e) Set FormStream_h = Server.Createobject("ADODB.Stream") FormStream_h.Type = 1 FormStream_h.Open UploadStream_c.Position = FormStart_f + 1 UploadStream_c.CopyTo FormStream_h,FormEnd_g-FormStart_f-3 FormStream_h.Position = 0 FormStream_h.Type = 2 FormStream_h.CharSet = "GB2312" FormStreamText_i = FormStream_h.Readtext FormStream_h.Close FileName_j = Mid(FormStreamText_i,InstrRev(FormStreamText_i,"")+1,FormEnd_g) If(CheckFileExt(FileName_j,ExtName)) Then SaveFile = Server.MapPath(SavePath & FileName_j) If Err Then Response.Write "文件上传： <span style=""color:red;"">文件上传出错!</span> <a href=""" & Request.ServerVariables("URL") &""">重新上传文件</a><br />" Err.Clear Else SaveFile = CheckFileExists(SaveFile) k=Instrb(FormDataAll_d,CrLf_e&CrLf_e)+4 l=Instrb(k+1,FormDataAll_d,leftB(FormDataAll_d,FormStart_f-1))-k-2 FormStream_h.Type=1 FormStream_h.Open UploadStream_c.Position=k-1 UploadStream_c.CopyTo FormStream_h,l FormStream_h.SaveToFile SaveFile,2 SaveFileName = Mid(SaveFile,InstrRev(SaveFile,"")+1) Response.write "文件上传： <span style=""color:red;"">" & SaveFileName & " </span>文件上传成功! <a href=""" & Request.ServerVariables("URL") &""">继续上传文件</a><br />" End If Else Response.write "文件上传： <span style=""color:red;"">文件格式不正确!</span> <a href=""" & Request.ServerVariables("URL") &""">重新上传文件</a><br />" End If Else '=====================此处为提示文件大小超过了========================= Response.write "上传文件过大，小于200kb! <a href='javascript:history.back()'>返回</a>" End If Else%><script language="Javascript"><!--function ValidInput(){ if(document.upform.upfile.value=="") { alert("请选择上传文件！") document.upform.upfile.focus() return false } return true}// --></script><form action='<%= Request.ServerVariables("URL") %>' method='post' name="upform" onsubmit="return ValidInput()" enctype="multipart/form-data">文件上传： <input type='file' name='upfile' size="40" /> <input type='submit' value="上传"></form><% End if Set FormStream_h = Nothing UploadStream.Close Set UploadStream = Nothing%></body></html><% '判断文件类型是否合格 Function CheckFileExt(FileName,ExtName) '文件名,允许上传文件类型 FileType = ExtName FileType = Split(FileType,",") For i = 0 To Ubound(FileType) If LCase(Right(FileName,3)) = LCase(FileType(i)) then CheckFileExt = True Exit Function Else CheckFileExt = False End if Next End Function '检查上传文件夹是否存在，不存在则创建文件夹 Function CheckAndCreateFolder(FolderName) fldr = Server.Mappath(FolderName) Set fso = CreateObject("Scripting.FileSystemObject") If Not fso.FolderExists(fldr) Then fso.CreateFolder(fldr) End If Set fso = Nothing End Function'检查文件是否存在，重命名存在文件Function CheckFileExists(FileName) Set fso=Server.CreateObject("Scripting.FileSystemObject") If fso.FileExists(SaveFile) Then i=1 msg=True Do While msg CheckFileExists = Replace(SaveFile,Right(SaveFile,4),"_" & i & Right(SaveFile,4)) If not fso.FileExists(CheckFileExists) Then msg=False End If i=i+1 Loop Else CheckFileExists = FileName End If Set fso=NothingEnd Function%>