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asp完整登陆代码 android软件开发教程
来源:互联网   发布日期:2016-03-01 11:05:12   浏览:2056次  

导读:asp完整登陆代码<%option explicit强制浏览器重新访问服务器下载页面,而不是从缓存读取页面Response.Buffer = True Response.Expires ...

asp完整登陆代码

<%

option explicit

强制浏览器重新访问服务器下载页面,而不是从缓存读取页面

Response.Buffer = True

Response.Expires = -1

Response.ExpiresAbsolute = Now() - 1

Response.Expires = 0

Response.CacheControl = "no-cache"

主要是使随机出现的图片数字随机

%>

<!--#include file="inc/config.asp"-->

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<TITLE><%=rs_config("c_incname")%>-管理员登录</TITLE>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<LINK href="inc/login.css" rel=stylesheet type=text/css>

<base target="main">

<style type="text/css">

<!--

.style2 {font-size: 12pt}

-->

</style>

<SCRIPT language=JavaScript>

<!--

function frmSubmit() {

if (theForm.name.value == "") {

alert("请输入用户名");

theForm.name.focus();

return false;

}

if (theForm.pass.value == "") {

alert("请输入密码");

theForm.pass.focus();

return false;

}

if (theForm.safecode.value == "") {

alert("请输入校验码");

theForm.safecode.focus();

return false;

}

return true;

}

//-->

</SCRIPT>

<link rel="icon" href="/favicon.ico" type="image/x-icon" />

<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />

<META http-equiv=Content-Type content="text/html; charset=gb2312">

<LINK

href="images/WEI.css" type=text/css rel=stylesheet>

<META content="Microsoft FrontPage 4.0" name=GENERATOR>

</HEAD>

<BODY bgColor=#ffffff>

<BR>

<br>

<br>

<br>

<br>

<BR>

<TABLE align="center" cellSpacing=0 cellPadding=0 width=555 border=0 style="border-collapse: collapse" bordercolor="#111111">

<TBODY>

<TR>

<TD width="588">

<TABLE align="center" cellSpacing=0 cellPadding=0 width=558 border=0 style="border-collapse: collapse" bordercolor="#111111">

<TBODY>

<TR>

<TD vAlign=top width="360" height="104">

<FORM action=logincheck.asp method=POST target="_top">

<table width="600" border="0" align="center" cellpadding="0" cellspacing="0">

<tr>

<td colspan="2"><img src="images/Admin_Login1.gif" width="600" height="126"></td>

</tr>

<tr>

<td width="508" valign="top" background="Images/Admin_Login2.gif"><table width="508" border="0" cellspacing="0" cellpadding="0">

<tr>

<td height="37" colspan="6"> </td>

</tr>

<tr>

<td width="75" rowspan="2"> </td>

<td width="126"><font color="#043BC9">用户名称:</font></td>

<td width="39" rowspan="2"> </td>

<td width="131"><font color="#043BC9">用户密码:</font></td>

<td width="34"> </td>

<td width="103"><font color="#043BC9">验证码:<b><font color=#ff0000><IMG

src="inc/Code.asp" width="40" height="10" align="absmiddle"></font></b></font></td>

</tr>

<tr>

<td><input name=name id="name" size=15></td>

<td><input name=pass type=password id="pass" size=12></td>

<td> </td>

<td><INPUT name="safecode" type=text id="safecode" size=12></td>

</tr>

</table></td>

<td>

<input type="image" name="Submit" src="Images/Admin_Login3.gif" style="width:92px; HEIGHT: 126px;"></td>

</tr>

</table>

</FORM>

</TD>

</TR>

</TBODY>

</TABLE>

</TD>

</TR>

</TBODY>

</TABLE>

</BODY>

</HTML>

下面是asp处理文件

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<!--#include file="conn.asp"-->

<!--#include file="md5.asp"-->

<%

function ChkPost()

dim server_v1,server_v2

chkpost=false

server_v1=Cstr(Request.ServerVariables("HTTP_REFERER"))

server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))

if mid(server_v1,8,len(server_v2))<>server_v2 then

chkpost=false

else

chkpost=true

End if

End function

session.Timeout=20

if ChkPost=false then

'emsg="请不要从其它站点提交表"

response.Redirect("login.asp?emsg=请不要从其它站点提交表")

Response.End()

End if

dim aname,apass,FoundErr,ErrMsg

FoundErr=False

aname=replace(trim(request("name")),"'","")

apass=replace(trim(request("pass")),"'","")

safecode=replace(trim(Request("safecode")),"'","")

if len(aname)>20 or len(aname)<3then

FoundErr=True

ErrMsg=ErrMsg&"用户名不对!nn"

End if

if len(apass)>20 or len(apass)<6then

FoundErr=True

ErrMsg=ErrMsg&"用户密码不对!nn"

End if

if Safecode="" then

FoundErr=True

ErrMsg=ErrMsg & "验证码不能为空!nn"

end if

if Session("Admin_GetCode")="" then

FoundErr=True

ErrMsg=ErrMsg & "你登录时间过长,请重新返回登录页面进行登录。nn"

end if

if Safecode<>CStr(Session("Admin_GetCode")) then

FoundErr=True

ErrMsg=ErrMsg & "您输入的确认码和系统产生的不一致,请重新输入。nn"

end if

if FoundErr=True then

Call LoginError(ErrMsg)

Conn.close

Set Conn=Nothing

else

apass=md5(apass)

dim sql,rs

sql="select a_name,a_pass,a_flag from admin where a_name='"&aname&"' and a_pass='"&apass&"'"

set rs=server.createobject("adodb.recordset")

rs.open sql,conn,1,1

if rs.BOF and rs.EOF then

ErrMsg="用户名或是密码错误!"

Call LoginError(ErrMsg)

rs.close

set rs=Nothing

conn.close

set conn=Nothing

response.End

elseif Not(rs.BOF or rs.EOF) then

session("aname")=rs("a_name")

session("admin_flag")="into"

session("admin_sys")=rs("a_flag")

response.Redirect("useradmin.asp")

rs.close

set rs=Nothing

conn.close

set conn=Nothing

response.End

End if

end if

Sub LoginError(EMsg)

response.write "<script language='javascript'>" & chr(13)

response.write "alert('"&EMsg&"');" & Chr(13)

response.write "window.document.location.href='login.asp';"&Chr(13)

response.write "</script>" & Chr(13)

Response.End

End Sub

%>

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