登陆asp class

!-- #include file="conn.asp" -->
!-- #include file="cls_main.asp" -->
!-- #include file="cls_md5.asp" -->
% dim obj
set obj = New admin_login
    call obj.Main()
set obj = nothing

class admin_login
    Private Founderr, errmsg,Mesky
    Private Sub Class_Initialize()
        Founderr = False
        Set Mesky = New Cls_Main
    End Sub
    Private Sub Class_Terminate()
        Set Mesky = Nothing
    End Sub
    Public Sub Main()
        Response.Write "!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.01 Transitional//EN"" ""http://www.w3.org/TR/html4/loose.dtd"">"  vbCrLf
        Response.Write "html>"  vbCrLf
        Response.Write "head>"  vbCrLf
        Response.Write "meta http-equiv=""Content-Type"" content=""text/html; charset=gb2312"">"  vbCrLf
        Response.Write "title>动感下载系统 V3.0 ——管理员登录　　　　　　　　Powered By：Www.Mesky.Net　　　　　　/title>"  vbCrLf
        Response.Write "/head>"  vbCrLf
        Response.Write "style type=text/css>"  vbCrLf
        Response.Write "body {"  vbCrLf
        Response.Write "    background:#EFEFEF;"  vbCrLf
        Response.Write "    font-size: 12px;"  vbCrLf
        Response.Write "    margin-top:0px;"  vbCrLf
        Response.Write "}"  vbCrLf
        Response.Write vbCrLf
        Response.Write "INPUT {"  vbCrLf
        Response.Write vbCrLf
        Response.Write "    FONT-SIZE: 12px;"  vbCrLf
        Response.Write "    font-family: ""宋体"";"  vbCrLf
        Response.Write "}"  vbCrLf
        Response.Write "SPAN {"  vbCrLf
        Response.Write "    FONT-SIZE: 12px; POSITION: static"  vbCrLf
        Response.Write "}"  vbCrLf
        Response.Write "a:link,a:visited  {"  vbCrLf
        Response.Write "    color: #0033FF;"  vbCrLf
        Response.Write "    text-decoration: none;"  vbCrLf
        Response.Write "}"  vbCrLf
        Response.Write "/style>"  vbCrLf
        Response.Write "p>nbsp;/p>"  vbCrLf
        Response.Write "p>nbsp;/p>"  vbCrLf
        Response.Write "table align=center width=380 style=""border: outset 3px;"" cellpadding=0 cellspacing=0 ID=""Table1"">"  vbCrLf
        Response.Write "    tr>"  vbCrLf
        Response.Write "        td style=""padding:3px;background-color:blue;color:white;"">Login MeskyDMS V3　　　　Powered By：Www.Mesky.Cn/td>"  vbCrLf
        Response.Write "    /tr>"  vbCrLf
        Response.Write "    tr valign=top>"  vbCrLf
        Response.Write "        td>img src=""images/admin_title.gif"" width=""100%"">/td>"  vbCrLf
        Response.Write "    /tr>"  vbCrLf
        Response.Write "    tr>"  vbCrLf
        Response.Write "        td style=""padding:15px;"">"  vbCrLf
        Dim username
        Dim password
        Dim ip
        Dim BrowserType

        
        Select Case Request("action")
            Case "chklogin"
                Call chklogin
                If Founderr Then
                    Response.Write (errmsg)
                    Response.Write ("br>br> = a href=""admin_login.asp"">返回管理员登录页/a>")
                End If
            Case "logout"
                Call logout
            Case Else
                Call login
        End Select
        Response.Write "        /td>"  vbCrLf
        Response.Write "    /tr>"  vbCrLf
        Response.Write "    tr>td style=""padding:10px;"">"  vbCrLf
        Set BrowserType = New Cls_Browser
            Response.Write ("客户端操作系统:"  BrowserType.platform  "br>客户端浏览器: "  BrowserType.Browser  BrowserType.Version)  vbCrLf
        Set BrowserType = Nothing
        Response.Write "/td>/tr>"  vbCrLf
        Response.Write "/table>br>br>"  vbCrLf
        Response.Write "/body>"  vbCrLf
        Response.Write "/html>"  vbCrLf
    End Sub
    Sub logout()    '用户退出
        Session("adminName") = ""
        Session("adminPass") = ""
        Call login
    End Sub

    Sub login() '用户登录
    On Error Resume Next
    Dim Ados, GetCode
    ' Ados = Server.CreateObject("Adodb.Stream")
    If Err Then
        GetCode = 9999
    End If
        Response.Write "script language=""Javascript"">!--"  vbCrLf
        Response.Write "function VF_loginform(){ //v2.0"  vbCrLf
        Response.Write "!--start_of_saved_settings-->"  vbCrLf
        Response.Write "!--type,text,name,verifycode,required,true,isNum,errMsg,请填写右边的确认密码。-->"  vbCrLf
        Response.Write "!--type,password,name,password,required,true,errMsg,请填写登录密码！-->"  vbCrLf
        Response.Write "!--type,text,name,username,required,true,errMsg,请填写登录用户名！-->"  vbCrLf
        Response.Write "!--end_of_saved_settings-->"  vbCrLf
        Response.Write "    var theForm = document.loginform;"  vbCrLf
        Response.Write "    var numRE = /^\d+$/;"  vbCrLf
        Response.Write "    var errMsg = """";"  vbCrLf
        Response.Write "    var setfocus = """";"  vbCrLf
        Response.Write vbCrLf
        Response.Write "    if (!numRE.test(theForm['verifycode'].value)){"  vbCrLf
        Response.Write "        errMsg = ""请填写右边的确认密码。"";"  vbCrLf
        Response.Write "        setfocus = ""['verifycode']"";"  vbCrLf
        Response.Write "    }"  vbCrLf
        Response.Write "    if (theForm['password'].value == """"){"  vbCrLf
        Response.Write "        errMsg = ""请填写登录密码！"";"  vbCrLf
        Response.Write "        setfocus = ""['password']"";"  vbCrLf
        Response.Write "    }"  vbCrLf
        Response.Write "    if (theForm['username'].value == """"){"  vbCrLf
        Response.Write "        errMsg = ""请填写登录用户名！"";"  vbCrLf
        Response.Write "        setfocus = ""['username']"";"  vbCrLf
        Response.Write "    }"  vbCrLf
        Response.Write "    if (errMsg != """"){"  vbCrLf
        Response.Write "        alert(errMsg);"  vbCrLf
        Response.Write "        eval(""theForm"" + setfocus + "".focus()"");"  vbCrLf
        Response.Write "    }"  vbCrLf
        Response.Write "    else theForm.submit();"  vbCrLf
        Response.Write "}//-->"  vbCrLf
        Response.Write "/script>"  vbCrLf
        Response.Write "        table  border=""0"">"  vbCrLf
        Response.Write "        form action=""?action=chklogin"" method=""post"" name=""loginform"" onsubmit=""VF_loginform();return false;""> "  vbCrLf
        Response.Write "          tr>"  vbCrLf
        Response.Write "            td>span style=""width:80px;"">用户名：/span>/td>"  vbCrLf
        Response.Write "            td>input maxlength=20 type=""text"" name=""username"" style=""width:200px;"" tabindex=""1"">/td>"  vbCrLf
        Response.Write "          /tr>"  vbCrLf
        Response.Write "          tr>"  vbCrLf
        Response.Write "            td>span style=""width:80px;"">密　码：/span>/td>"  vbCrLf
        Response.Write "            td>input maxlength=20 type=""password"" name=""password"" style=""width:200px;"">/td>"  vbCrLf
        Response.Write "          /tr>"  vbCrLf
        Response.Write "          tr>"  vbCrLf
        Response.Write "            td>span style=""width:80px;"">验证码：/span>/td>"  vbCrLf
        Response.Write "            td>input name=""verifycode"" type=""text"" style=""width:60px;"" value="""
        If GetCode = 9999 Then Response.Write "9999"
        Response.Write """  maxlength=4> "  vbCrLf
        Response.Write "            请在验证码框输入：img src=""GetCode.asp"">/td>"  vbCrLf
        Response.Write "          /tr>"  vbCrLf
        Response.Write "          tr>"  vbCrLf
        Response.Write "            td>nbsp;/td>"  vbCrLf
        Response.Write "            td align=""right"">nbsp;/td>"  vbCrLf
        Response.Write "          /tr>"  vbCrLf
        Response.Write "          tr>"  vbCrLf
        Response.Write "            td>nbsp;/td>"  vbCrLf
        Response.Write "            td align=""right"">input type=""submit"" value=""登 录..."" name=""btnSubmit"" style=""width:80px;font:menu;"" ID=""Submit1"">/td>"  vbCrLf
        Response.Write "          /tr>"  vbCrLf
        Response.Write "          /form>  "  vbCrLf
        Response.Write "        /table>"  vbCrLf

    End Sub
    '检验用户登录
    Sub chklogin()
        Dim UserName,Password,IP
        username = Trim(Replace(Request("username"), "'", ""))
        password = MD5(Trim(Replace(Request("password"), "'", "")), 16)
        If Request("verifycode") = "" Then
            errmsg = errmsg + "br>" + "li>请返回输入确认码。"
            Founderr = True
        ElseIf Session("getcode") = "9999" Then
            Session("getcode") = ""
        ElseIf Session("getcode") = "" Then
            errmsg = errmsg + "br>" + "li>请不要重复提交，如需重新登陆请返回登陆页面。"
            Founderr = True
        ElseIf CStr(Session("getcode")) > CStr(Trim(Request("verifycode"))) Then
            errmsg = errmsg + "br>" + "li>您输入的确认码和系统产生的不一致，请重新输入。"
            Founderr = True
        End If
        Session("getcode") = ""
        If username = "" Or password = "" Then
            Founderr = True
            errmsg = errmsg + "br>" + "li>请输入您的用户名或密码。li>"
        End If
        If Founderr Then Exit Sub
        ip = Replace(Request.ServerVariables("REMOTE_ADDR"), "'", "")
        Dim Rs

        Set Rs = Mesky.Execute("select * from Mesky_SiteManager where username='"  username  "'")
        If Rs.EOF And Rs.BOF Then
            Set Rs = Nothing
            Founderr = True
            errmsg = errmsg + "br>" + "li>您输入的用户名和密码不正确或者您不是系统管理员。br>li>请a href=admin_login.asp>重新输入/a>您的密码。"
            Exit Sub
        Else
            If Trim(Rs("password")) > password Then
                Founderr = True
                errmsg = errmsg + "br>" + "li>您输入的用户名和密码不正确或者您不是系统管理员。br>li>请a href=admin_login.asp>重新输入/a>您的密码。"
                Set Rs = Nothing
                Exit Sub
            Else
            Session("adminName") = Rs("UserName")
            Session("adminPass") = Rs("Password")
            Session.Timeout = 45
            Mesky.Execute ("update Mesky_SiteManager set LastLogin= "  SqlNowString  ",LastLoginIP='"  ip  "',LastActive="  SqlNowString  ",Logins=Logins+1 where username='"  username  "'")
            Set Rs = Nothing
            Call Mesky.LoadSetting()
            Response.Write "script>location.href='"  Mesky.Setting(11)  "admin_index.asp'/script>"
            End If
        End If
    End Sub
End Class %>