📄 login.asp
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<%@LANGUAGE="VBSCRIPT"%>
<!--#include file="Connections/DatabaseConnection.asp" -->
<%
' *** Validate request to log in to this site.
MM_LoginAction = Request.ServerVariables("URL")
If Request.QueryString<>"" Then MM_LoginAction = MM_LoginAction + "?" + Server.HTMLEncode(Request.QueryString)
MM_valUsername=CStr(Request.Form("UserName"))
If MM_valUsername <> "" Then
MM_fldUserAuthorization="AccessLevel"
MM_redirectLoginSuccess="Default.asp"
MM_redirectLoginFailed="Login.asp?logonfailed=true"
MM_flag="ADODB.Recordset"
set MM_rsUser = Server.CreateObject(MM_flag)
MM_rsUser.ActiveConnection = MM_DatabaseConnection_STRING
MM_rsUser.Source = "SELECT UserName, Password"
If MM_fldUserAuthorization <> "" Then MM_rsUser.Source = MM_rsUser.Source & "," & MM_fldUserAuthorization
MM_rsUser.Source = MM_rsUser.Source & " FROM User WHERE UserName='" & Replace(MM_valUsername,"'","''") &"' AND Password='" & Replace(Request.Form("PassWord"),"'","''") & "'"
MM_rsUser.CursorType = 0
MM_rsUser.CursorLocation = 2
MM_rsUser.LockType = 3
MM_rsUser.Open
If Not MM_rsUser.EOF Or Not MM_rsUser.BOF Then
' username and password match - this is a valid user
Session("MM_Username") = MM_valUsername
If (MM_fldUserAuthorization <> "") Then
Session("MM_UserAuthorization") = CStr(MM_rsUser.Fields.Item(MM_fldUserAuthorization).Value)
Else
Session("MM_UserAuthorization") = ""
End If
if CStr(Request.QueryString("accessdenied")) <> "" And false Then
MM_redirectLoginSuccess = Request.QueryString("accessdenied")
End If
MM_rsUser.Close
Response.Redirect(MM_redirectLoginSuccess)
End If
MM_rsUser.Close
Response.Redirect(MM_redirectLoginFailed)
End If
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script language=javascript>
function CheckForm()
{
if(document.Login.UserName.value=="")
{
alert("请输入用户名！");
document.Login.UserName.focus();
return false;
}
if(document.Login.PassWord.value == "")
{
alert("请输入密码！");
document.Login.PassWord.focus();
return false;
}
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Login.asp</title>
</head>
<body>
<form ACTION="<%=MM_LoginAction%>" method="POST" name="Login" onSubmit="return CheckForm()" id="Login">
<p><%
if Request("logonfailed")<>"" then
Response.Write "用户名或密码错误！请重新登录！"
else
if Request.QueryString<>"" then
Response.Write "你还没有登录或登录已超时！请重新登录！"
else
Response.Write "用 户 登 录"
end if
end if
%></p>
<p>用户名称:
<input name="UserName" type="text" id="UserName" size="20">
</p>
<p>用户密码:
<input name="PassWord" type="password" id="PassWord" size="20">
</p>
<p>
<input type="submit" name="Submit" value="登陆">
<input type="reset" name="Submit" value="重置">
</p>
</form>
</body>
</html>
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