常用ASP自定义函数全集(2)_ASP教程

推荐：解读ASP常见错误类型大全
ActiveServerPages,ASP0126(0x80004005)--找不到包含文件 MicrosoftOLEDBProviderforODBCDrivers(0x80040E21)--sql语句出错(数据类型不匹配或表名(字段名)错误或表处于编辑状态，或表不存在于conn打开的数据库中) MicrosoftOLEDBProviderforODBCDrivers(0x800

''Email检测
function IsValidEmail(email)
dim names, name, i, c
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
'--------------------------------
'不允许外部提交数据的选择
Function ChkPost()
     dim HTTP_REFERER,SERVER_NAME
dim server_v1,server_v2
chkpost=false
     SERVER_NAME=CheckStr(Request.ServerVariables("SERVER_NAME"))
HTTP_REFERER=CheckStr(Request.ServerVariables("HTTP_REFERER"))
server_v1=Cstr(HTTP_REFERER)
server_v2=Cstr(SERVER_NAME)
if mid(server_v1,8,len(server_v2))<>server_v2 then
   chkpost=false
else
   chkpost=true
end if
End Function
'--------------------------------
'构造上传图片文件名随机数
function MakedownName()
dim fname
randomize
fname = now()
fname = replace(fname,"-","")
fname = replace(fname," ","")
fname = replace(fname,":","")
fname = replace(fname,"PM","")
fname = replace(fname,"AM","")
fname = replace(fname,"上午","")
fname = replace(fname,"下午","")
fname = int(fname) + int(((9-1+1)*Rnd + 1)*100000)   '6位
MakedownName=fname
end function
'--------------------------------
'获取IP地址
Function getIP()
     Dim strIPAddr
     If Request.ServerVariables("HTTP_X_FORWARDED_FOR") = "" OR InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), "unknown") > 0 Then
         strIPAddr = Request.ServerVariables("REMOTE_ADDR")
     ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",") > 0 Then
         strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ",")-1)
     ElseIf InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";") > 0 Then
         strIPAddr = Mid(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), 1, InStr(Request.ServerVariables("HTTP_X_FORWARDED_FOR"), ";")-1)
     Else
         strIPAddr = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
     End If
     getIP = Trim(Mid(strIPAddr, 1, 30))
End Function
'--------------------------------

分享：ASP实现长文章手动分页的代码
% setrecordset1=server.createobject(adodb.recordset) exec=SELECT*FROMnewswhereid=id recordset1.Openexec,conn,1,1 % tablewidth=85%border=0align=centercellpadding=3cellspacing=0 trtd ....... % IfRequest(page)=Then pageNum=0