<% function htmlencode(str) dim result dim l if isNULL(str) then htmlencode="" exit function end if l=len(str) result="" dim i for i = 1 to l select case mid(str,i,1) case "<" result=result+"<" case ">" result=result+">" case chr(13) result=result+"
" case chr(34) result=result+""" case "&" result=result+"&" case chr(32) 'result=result+" " if i+1<=l and i-1>0 then if mid(str,i+1,1)=chr(32) or mid(str,i+1,1)=chr(9) or mid(str,i-1,1)=chr(32) or mid(str,i-1,1)=chr(9) then result=result+" " else result=result+" " end if else result=result+" " end if case chr(9) result=result+" " case else result=result+mid(str,i,1) end select next htmlencode=result end function function sustainhtml(str) dim result dim l if isNULL(str) then sustainhtml="" exit function end if l=len(str) result="" dim i for i = 1 to l select case mid(str,i,1) case chr(13) result=result+"
" case chr(34) result=result+""" case chr(32) 'result=result+" " if i+1<=l and i-1>0 then if mid(str,i+1,1)=chr(32) or mid(str,i+1,1)=chr(9) or mid(str,i-1,1)=chr(32) or mid(str,i-1,1)=chr(9) then result=result+" " else result=result+" " end if else result=result+" " end if case "&" result=result+"&" case chr(9) result=result+" " case else result=result+mid(str,i,1) end select next sustainhtml=result end function ' 检查sql字符串中是否有单引号,有则进行转化 function CheckStr(str) dim tstr,l,i,ch l=len(str) for i=1 to l ch=mid(str,i,1) if ch="'" then tstr=tstr+"'" end if tstr=tstr+ch next CheckStr=tstr end function 'email有效性检查 function IsValidEmail(email) dim names, name, i, c 'Check for valid syntax in an email address. IsValidEmail = true names = Split(email, "@") if UBound(names) <> 1 then IsValidEmail = false exit function end if for each name in names if Len(name) <= 0 then IsValidEmail = false exit function end if for i = 1 to Len(name) c = Lcase(Mid(name, i, 1)) if InStr("abcdefghijklmnopqrstuvwxyz_-.", c) <= 0 and not IsNumeric(c) then IsValidEmail = false exit function end if next if Left(name, 1) = "." or Right(name, 1) = "." then IsValidEmail = false exit function end if next if InStr(names(1), ".") <= 0 then IsValidEmail = false exit function end if i = Len(names(1)) - InStrRev(names(1), ".") if i <> 2 and i <> 3 then IsValidEmail = false exit function end if if InStr(email, "..") > 0 then IsValidEmail = false end if end function '将一文字中的HTML的标识去掉 Function FilterHTML(strToFilter) Dim strTemp strTemp = strToFilter While Instr(1,strTemp,"<") AND Instr(1, strTemp, ">") strTemp = Left(strTemp, Instr(1, strTemp, "<")-1) & Right(strTemp, Len(strTemp)-Instr(1,strTemp, ">")) WEnd FilterHTML = strTemp End Function %>