【一个登陆窗口的记录】一个登陆窗口的记数判断登录(有用哦),了解"IF"语句的用应

更新时间:2014-08-28    来源:word    手机版     字体:

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<%
n=0
adminID=Request("adminID")
password=Request("password")
if adminID="" then %>
<script language=vbscript>
MsgBox "错误:请输入管理员用户名!"
location.href = "javascript:history.back()"
</script>
<%elseif password="" then%>
<script language=vbscript>
MsgBox "错误:请输入你的密码!"
location.href = "javascript:history.back()"
</script>
<%end if%>

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
<%
"session.timeout=10"session对象的超时值
"on error resume next
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open "Driver={Microsoft Access Driver (*.mdb)}; DBQ=" & Server.MapPath("examination.mdb")
Set rs = Server.CreateObject("ADODB.Recordset")
%>
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
<%rs.Open "Select * From 管理 where adminID=""&adminID&""", conn, 3,3%>
<% if rs.bof or rs.eof then%>
<script language=vbscript>
MsgBox "错误:该用户名不存在,请确认你是管理员!"
location.href = "javascript:history.back()"
</script>
<% elseif rs("password")<>password then%>

<% if rs("登陆次数")>3 then %>
<script language=vbscript>
MsgBox "错误:登录次数太多!系统将关闭!"
location.href="javascript:window.close()"
</script>
<% else %>
<script language=vbscript>
MsgBox "<% =rs("登陆次数")%>错误:该密码不正确,请确认你是管理员!"

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