📄 default.asp
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<%@ LANGUAGE="VBScript" %><% Response.Buffer=true %>
<SCRIPT LANGUAGE="VBScript">
<!--
Sub ValidateLogForm
if document.logform.username.value="" then
msgbox "请输入用户名!"
elseif document.logform.userpwd.value="" then
msgbox "请输入口令!"
else
document.logform.submit
end if
End Sub
-->
</SCRIPT>
<HTML>
<HEAD>
<TITLE>在线图书销售管理系统</TITLE>
</HEAD>
<BODY>
<H3 align="center">欢迎使用在线图书销售管理系统</H3>
<HR>
<FORM action="default.asp" name="logform" METHOD="get">
<TABLE ALIGN="CENTER" CELLPADDING="2">
<TR>
<TD>用户名:</TD>
<TD><INPUT TYPE="text" NAME="UserName" MAXLENGTH="10"
value='<%=request("username")%>'></TD>
</TR>
<TR>
<TD>口 令:</TD>
<TD><INPUT TYPE="password" NAME="UserPwd" MAXLENGTH="10"
value='<%=request("userpwd")%>'></TD>
</TR>
<TR>
<TD COLSPAN="2" align="center"><INPUT TYPE="button" NAME="LogButton"
VALUE="确定" onClick="ValidateLogForm">
</TD>
</TR>
</TABLE></FORM>
<%
if request("UserName")<>"" then
'检查用户登录信息是否正确
Set cn=Server.CreateObject("ADODB.Connection")
cn.connectionstring="Provider=SQLOLEDB;UID=sa;pwd=123;" & _
"database=图书销售;Data Source=(local)"
cn.Open
UserName=request("UserName")
UserPwd=request("UserPwd")
Set rs=Server.CreateObject("ADODB.Recordset")
querystr = "SELECT * FROM 注册用户 WHERE user_name ='" & UserName & "'"
Set rs.ActiveConnection = cn
rs.CursorType =1
rs.LockType = 3
rs.Open querystr
if rs.recordcount<=0 then
response.write "<div align=center><font color=#cc0000>用户名错误!</font></div>"
elseif rs.fields("user_pwd")<>userpwd then
response.write "<div align=center><font color=#cc0000>口令错误!</font></div>"
else
session("username")=username '保存当前用户用户名
session("userid")=rs.fields("user_id") '保存当前用户编号
'自动载入在线图书销售管理系统页面
Response.Redirect "booksaling.htm"
end if
rs.close
cn.close
set rs=nothing
set cn=nothing
end if
%>
<DIV align="center">新用户请选择<FONT color="red">
<A href="Registernew.asp">注册</A>
</FONT></DIV>
<HR>
<B></B><DIV align="center"><B>来自<%=request.servervariables("remote_addr")%>的第<FONT color="#CC0000">
<%= session("usercount") %></FONT>位访客</B><BR><B>
当前在线用户<FONT color="#CC0000">
<%= application("onlineusers") %></FONT>人</B></DIV><B></B>
</BODY>
</HTML>
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