ASP常用文件操作函数

以下包含了常用的各种ASP常用文件操作函数：如创建一个指定的文件，建立文件目录，检查文件是否存在，删除文件目录，移动删除文件，读取文件内容等
<%
'创建一个指定的文件函数,可选参数，文件内容，文件目录与文件生成类型
Function createTextFile(Byval content,Byval fileDir,Byval code)
dim fileobj,fileCode : fileDir=replace(fileDir, "\", "/")
if isNul(code) then fileCode="gbk" else fileCode=code
call createfolder(fileDir,"filedir")
on error resume next:err.clear
set fileobj=objFso.CreateTextFile(server.mappath(fileDir),True)
fileobj.Write(content)
set fileobj=nothing
if Err or not isNul(code) then
err.clear
With objStream
.Charset=fileCode:.Type=2:.Mode=3:.Open:.Position=0
.WriteText content:.SaveToFile Server.MapPath(fileDir), 2
.Close
End With
end if
if Err Then  createTextFile=false : errid=err.number:errdes=err.description:Err.Clear : echoErr err_writefile,errid,errdes else createTextFile=true
End Function

'建立文件存储对象函数
Function createStreamFile(Byval stream,Byval fileDir)
dim errid,errdes
fileDir=replace(fileDir, "\", "/")
call createfolder(fileDir,"filedir")
on error resume next
With objStream
.Type =1
.Mode=3 
.Open
.write stream
.SaveToFile server.mappath(fileDir),2
.close
End With
if Err Then  error.clear:createStreamFile=false else createStreamFile=true
End  Function

'建立文件目录函数
Function createFolder(Byval dir,Byval dirType)
dim subPathArray,lenSubPathArray, pathDeep, i
on error resume next
dir=replace(dir, "\", "/")
dir=replace(server.mappath(dir), server.mappath("/"), "")
subPathArray=split(dir, "\")
pathDeep=pathDeep&server.mappath("/")
select case dirType
case "filedir"
lenSubPathArray=ubound(subPathArray) - 1
case "folderdir"
lenSubPathArray=ubound(subPathArray)
end select
for i=1 to  lenSubPathArray
pathDeep=pathDeep&"\"&subPathArray(i)
if not objFso.FolderExists(pathDeep) then objFso.CreateFolder pathDeep
next
if Err Then  createFolder=false : errid=err.number:errdes=err.description:Err.Clear : echoErr err_createFolder,errid,errdes else createFolder=true
End Function

'检查文件是否存在函数
Function isExistFile(Byval fileDir)
on error resume next
If (objFso.FileExists(server.MapPath(fileDir))) Then  isExistFile=True  Else  isExistFile=False
if err then err.clear:isExistFile=False
End Function

'检查文件目录是否存在函数
Function isExistFolder(Byval folderDir)
on error resume next
If objFso.FolderExists(server.MapPath(folderDir)) Then  isExistFolder=True Else isExistFolder=False
if err then err.clear:isExistFolder=False
End Function

'删除文件目录函数
Function delFolder(Byval folderDir)
on error resume next
If isExistFolder(folderDir)=True Then 
objFso.DeleteFolder(server.mappath(folderDir))
if Err Then  delFolder=false : errid=err.number : errdes=err.description:Err.Clear : echoErr err_delFolder,errid,errdes else delFolder=true
else
delFolder=false : die(err_notExistFolder)
end if
End Function

'删除文件函数
Function delFile(Byval fileDir)
on error resume next
If isExistFile(fileDir)=True Then objFso.DeleteFile(server.mappath(fileDir))
if  Err Then  delFile=false : errid=err.number : errdes=err.description:Err.Clear : echoErr err_delFile,errid,errdes else delFile=true
End Function

'检查文件是否存在函数
Function initializeAllObjects()
dim errid,errdes
on error resume next
if not isobject(objFso) then set objFso=server.createobject(FSO_OBJ_NAME)
If Err Then errid=err.number:errdes=err.description:Err.Clear:echoErr err_fsoobj,errid,errdes
if not isobject(objStream) then Set objStream=Server.CreateObject(STREAM_OBJ_NAME)
If Err Then errid=err.number:errdes=err.description:Err.Clear:echoErr err_stmobj,errid,errdes
End Function

'检查文件操作组件函数
Function terminateAllObjects()
on error resume next
if conn.isConnect then conn.close
if isobject(conn) then : set conn=nothing
if isobject(objFso) then set objFso=nothing
if isobject(objStream) then set objStream=nothing
if isobject(cacheObj) then set cacheObj=nothing
if isobject(mainClassObj) then set mainClassObj=nothing
if isObject(gXmlHttpObj) then SET gXmlHttpObj=Nothing
End Function

'移动文件目录函数
Function moveFolder(oldFolder,newFolder)
dim voldFolder,vnewFolder
voldFolder=oldFolder
vnewFolder=newFolder
on error resume next
if voldFolder <> vnewFolder then
voldFolder=server.mappath(oldFolder)
vnewFolder=server.mappath(newFolder)
if not objFso.FolderExists(vnewFolder) then createFolder newFolder,"folderdir"
if  objFso.FolderExists(voldFolder)  then  objFso.CopyFolder voldFolder,vnewFolder : objFso.DeleteFolder(voldFolder)
if Err Then  moveFolder=false : errid=err.number : errdes=err.description:Err.Clear : echoErr err_moveFolder,errid,errdes else moveFolder=true
end if
End Function

'移动文件函数
Function moveFile(ByVal src,ByVal target,Byval operType)
dim srcPath,targetPath
srcPath=Server.MapPath(src)
targetPath=Server.MapPath(target)
if isExistFile(src) then
objFso.Copyfile srcPath,targetPath
if operType="del" then  delFile src
moveFile=true
else
moveFile=false
end if
End Function

'取得文件夹列表函数
Function getFolderList(Byval cDir)
dim filePath,objFolder,objSubFolder,objSubFolders,i
i=0
redim  folderList(0)
filePath=server.mapPath(cDir)
set objFolder=objFso.GetFolder(filePath)
set objSubFolders=objFolder.Subfolders
for each objSubFolder in objSubFolders
ReDim Preserve folderList(i)
With objSubFolder
folderList(i)=.name&",文件夹,"&.size/1000&"KB,"&.DateLastModified&","&cDir&"/"&.name
End With
i=i + 1
next
set objFolder=nothing
set objSubFolders=nothing
getFolderList=folderList
End Function

'取得文件列表函数
Function getFileList(Byval cDir)
dim filePath,objFolder,objFile,objFiles,i
i=0
redim  fileList(0)
filePath=server.mapPath(cDir)
set objFolder=objFso.GetFolder(filePath)
set objFiles=objFolder.Files
for each objFile in objFiles
ReDim Preserve fileList(i)
With objFile
fileList(i)=.name&","&Mid(.name, InStrRev(.name, ".") + 1)&","&.size/1000&"KB,"&.DateLastModified&","&cDir&"/"&.name
End With
i=i + 1
next
set objFiles=nothing
set objFolder=nothing
getFileList=fileList
End Function

'读取文件内容函数
Function loadFile(ByVal filePath)
dim errid,errdes
On Error Resume Next
With objStream
.Type=2
.Mode=3
.Open
.Charset="gbk"
'die Server.MapPath(filePath)
.LoadFromFile Server.MapPath(filePath)
'If Err Then  errid=err.number:errdes=err.description:Err.Clear:echoErr err_loadfile,errid,errdes
.Position=0
loadFile=.ReadText
.Close
End With
End Function
%>

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