asp中文件与文件夹常用处理函数(文件后缀、创建文件等)

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复制代码 代码如下:
''=====================================
''获得文件后缀
''=====================================
Function Get_Filetxt(ByVal t0)
Dim t1
IF Len(t0)<2 Or Instr(t0,".")=0 Then Get_Filetxt=False:Exit Function
t1=Split(t0,".")
Get_Filetxt=Lcase(t1(Ubound(t1)))
End Function

''=====================================
''读取任何文件的纯代码
''=====================================
Function LoadFile(ByVal t0)
IF Len(t0)=0 Then Exit Function
IF Sdcms_Cache Then
IF Check_Cache("LoadFile_"&t0) Then
Create_Cache "LoadFile_"&t0,LoadFile_Cache(t0)
End IF
LoadFile=Load_Cache("LoadFile_"&t0)
Else
LoadFile=LoadFile_Cache(t0)
End IF
End Function

Function LoadFile_Cache(ByVal t0)
Dim t1,stm
On Error Resume Next
IF Len(t0)=0 Then Exit Function
t1=Empty
Set Stm=Server.CreateObject("Adodb.Stream")
With Stm
.Type=2''以本模式读取
.mode=3
.charset=CharSet
.Open
.loadfromfile Server.MapPath(t0)
t1=.readtext
.Close
End With
Set Stm=Nothing
IF Err Then
LoadFile_Cache="“"&t0&"”"&Err.Description:Err.Clear
Else
LoadFile_Cache=t1
End IF
End Function

''=====================================
''检查文件是否存在
''=====================================
Function Check_File(ByVal t0)
Dim Fso
t0=Server.MapPath(t0)
Set Fso=CreateObject("Scripting.FileSystemObject")
Check_File=Fso.FileExists(t0)
Set Fso=Nothing
End Function

''=====================================
''检查文件夹是否存在
''=====================================
Function Check_Folder(ByVal t0)
Dim Fso
t0=Server.MapPath(t0)
Set Fso=CreateObject("Scripting.FileSystemObject")
Check_Folder=Fso.FolderExists(t0)
Set Fso=Nothing
End Function

''=====================================
''创建文件夹（无限级）
''=====================================
Function Create_UpFile(ByVal t0)
Dim t1,t2,objFSO,i
On Error Resume Next
t0=Server.MapPath(t0)
IF InStr(t0,"\")<=0 Or InStr(t0,":")<=0 Then:Create_upfile=False:Exit Function
Set objFSO=CreateObject("Scripting.FileSystemObject")
IF objFSO.FolderExists(t0) Then:Create_upfile=True:Exit Function
t1=Split(t0,"\"):t2=""
For i=0 To UBound(t1)
t2=t2&t1(i)&"\"
IF Not objFSO.FolderExists(t2) Then objFSO.CreateFolder(t2)
Next
Set objFSO=Nothing
IF Err=0 Then Create_upfile=True:Else Create_upfile=False:Echo "Create_upfile："&Err.Description&"<br>":Err.Clear
End Function

Sub SaveFile(ByVal t0,ByVal t1,ByVal t2)
Dim objFSO,t3
Set objFSO=CreateObject("Scripting.FileSystemObject")
IF t0="" Then Echo "目录不能为空！":Died
t3=Server.MapPath(t0)
IF t2="" Or IsNull(t2) Then t2=""
IF objFSO.FolderExists(t3)=False Then Create_upfile(t0)
BuildFile t3&"\"&Trim(t1),t2
Set objFSO=Nothing
End Sub

Function BuildFile(ByVal t0,ByVal t1)
Dim Stm
On Error Resume Next
Set Stm=Server.CreateObject("Adodb.Stream")
With Stm
.Type=2 ''以本模式读取
.Mode=3
.Charset=CharSet
.Open
.WriteText t1
.SaveToFile t0,2
.Close
End With
Set Stm=Nothing
IF Err Then Echo "BuildFile："&Err.Description&"<br>":Err.Clear
End Function

''=====================================
''重命名文件夹
''==============================