chr.asp

学校成绩查询系统是一个非常好的软件请大家试试

<%'/字符过滤/
function changechr(str) 
    changechr=replace(replace(replace(replace(str,"<",""),">",""),chr(13),"")," ","") 
    changechr=replace(replace(replace(replace(changechr,"'",""),chr(34),""),"insert",""),"and","") 
    changechr=replace(replace(replace(replace(changechr,"select",""),"update",""),"delete%20from",""),"exec","") 
    changechr=replace(replace(replace(replace(changechr,"mid",""),"truncate",""),"declare",""),"*","")
end function
function GetIp()
	'如果客户端用了代理服务器，则应该用ServerVariables("HTTP_X_FORWARDED_FOR")方法
	getclientip = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
	If getclientip = "" Then
		'如果客户端没用代理，应该用Request.ServerVariables("REMOTE_ADDR")方法
		getclientip = Request.ServerVariables("REMOTE_ADDR")
	end if
	GetIp = getclientip
end function
Function RtnReplaceInt(iCheck,iDefault) 
	If Trim(iCheck)="" Then
		RtnReplaceInt = iDefault
		Exit Function
	End If

	If IsNumeric(iCheck)=false Then
		RtnReplaceInt = iDefault
		Exit Function
	End If

	RtnReplaceInt = iCheck
End Function

%>