function.asp

功能介绍： 文章管理

<% 
'===============================================================
'  Function For PJblog2
'    更新时间: 2006-6-2
'===============================================================

'*************************************
'防止外部提交
'*************************************
function ChkPost() 
  dim server_v1,server_v2
  chkpost=false
  server_v1=Cstr(Request.ServerVariables("HTTP_REFERER"))
  server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))
  If Mid(server_v1,8,Len(server_v2))<>server_v2 then
    chkpost=False
  else
   chkpost=True
  end If
 end function


'*************************************
'IP过滤
'************************************* 
function MatchIP(IP)
 on error resume next
 MatchIP=false
 Dim SIp,SplitIP
 for each SIp in FilterIP
    SIp=replace(SIp,"*","\d*")
    SplitIP=split(SIp,".")
    Dim re, strMatchs,strIP
     Set re=new RegExp
      re.IgnoreCase =True
      re.Global=True
      re.Pattern="("&SplitIP(0)&"|)."&"("&SplitIP(1)&"|)."&"("&SplitIP(2)&"|)."&"("&SplitIP(3)&"|)"
     Set strMatchs=re.Execute(IP)
      strIP=strMatchs(0).SubMatches(0) & "." & strMatchs(0).SubMatches(1)& "." & strMatchs(0).SubMatches(2)& "." & strMatchs(0).SubMatches(3)
     if strIP=IP then MatchIP=true:exit function
     Set strMatchs=Nothing
     Set re=Nothing
 next 
end function
 
'*************************************
'获得注册码
'*************************************  
Function getcode() 
	getcode= "<img src=""common/getcode.asp"" alt="""" style=""margin-right:40px;""/>"		
End Function

'*************************************
'限制上传文件类型
'*************************************  
Function IsvalidFile(File_Type)
	IsvalidFile = False
	Dim GName
	For Each GName in UP_FileType
		If File_Type = GName Then
			IsvalidFile = True
			Exit For
		End If
	Next
End Function


'*************************************
'限制插件名称
'*************************************  
Function IsvalidPlugins(Plugins_Name) 
 dim NoAllowNames,NoAllowName
 NoAllowNames="user,bloginfo,calendar,comment,search,links,archive,category,contentlist"
 NoAllowName=split(NoAllowNames,",")
	IsvalidPlugins = true
	Dim GName
	Plugins_Name=trim(lcase(Plugins_Name))
	For Each GName in NoAllowName
		If Plugins_Name = GName Then
			 IsvalidPlugins = false
			Exit For
		End If
	Next
End Function


'*************************************
'检测是否只包含英文和数字
'************************************* 
Function IsValidChars(str)
	Dim re,chkstr
	Set re=new RegExp
	re.IgnoreCase =true
	re.Global=True
	re.Pattern="[^_\.a-zA-Z\d]"
	IsValidChars=True
	chkstr=re.Replace(str,"")
	if chkstr<>str then IsValidChars=False
	set re=nothing
End Function

'*************************************
'检测是否只包含英文和数字
'************************************* 
Function IsvalidValue(ArrayN,Str)
	IsvalidValue = false
	Dim GName
	For Each GName in ArrayN
		If Str = GName Then
			 IsvalidValue = true
			Exit For
		End If
	Next
End Function 

'*************************************
'检测是否有效的数字
'*************************************
Function IsInteger(Para) 
	IsInteger=False
	If Not (IsNull(Para) Or Trim(Para)="" Or Not IsNumeric(Para)) Then
		IsInteger=True
	End If
End Function

'*************************************
'用户名检测
'*************************************
Function IsValidUserName(byVal UserName)
    on error resume next
	Dim i,c
	Dim VUserName
	IsValidUserName = True
	For i = 1 To Len(UserName)
		c = Lcase(Mid(UserName, i, 1))
		If InStr("$!<>?#^%@~`&*();:+='""