新手问题:用asp编写登陆小程序

2025-02-23 05:05:17
推荐回答(5个)
回答1:

1.Dreamweaver完全可以开发asp。也可以开发php等。但是如果是.net或者jsp可以分别用visual studio 和MyEclipse。
2.你说的程序的话。我倒可以给你我最近写图书馆图书管理系统的登录部分的代码。做个参考。涉及到的图片。我就不给了哦。只是给你做给参考。
login.asp页面代码,连接数据库的我就不给了。为了安全
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>







<%

dim sql
sql = "select library_name,create_time,copyright_info from sysest"
set rs = server.CreateObject("adodb.recordset")
rs.open sql,conn,1,1
%>
<%=rs("library_name")%>
<%
rs.close
conn.close
set rs = nothing
set conn = nothing
%>







  • 用户账号


  • 用户密码


  • 验证码

    刷新验证码












安全检查的js客服端验证代码如下
//下面的代码部分是是对用户登录的验证的JavaScript代码
function check()
{

var reg = new RegExp("[0-9a-zA-Z]");
//首先是对用户名的判断部分
var username = document.all.username.value;
if(username=="")
{
alert("用户名是必填项,不可以为空!");
return false;
}
else if(!(reg.test(username)))
{
alert("请不要输入非法字符!");
return false;
}
//对密码的判断部分
var pw = document.all.pw.value;
if(pw=="")
{
alert("密码是必填项,不可以为空!");
return false;
}
else if(!(reg.test(pw)))
{
alert("请不要输入非法字符!");
return false;
}
//对验证码的判断部分
var code = document.all.code.value;
if(code=="")
{
alert("验证码是必填项,不可以为空!");
return false;
}
else if(!(reg.test(code)))
{
alert("请不要输入非法字符!");
return false;
}
else
{
return true;
}
}
服务器端验证代码
<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>





服务器端验证代码




<%
'首先获得用户输入的用户名、密码、验证码三个东西
dim username,pw,code,bool,bool2
bool = false
bool2 = false
username = request.Form("username")
pw = request.Form("pw")
code = request.Form("code")
'获得输入后,进行用户名、密码、验证码合法性判断,用正则
set re = new RegExp
re.pattern="[a-zA-Z0-9]"
if re.test(username) then
if re.test(pw) then
if re.test(code) then
bool = true
end if
end if
end if
%>



  • <%
    if not bool then
    response.Write("")
    end if
    if bool=true and bool2=false then

    dim sql
    sql = "select admin_name,admin_pw,admin_power from sysadmin where admin_name='"&username&"' and admin_pw='"&pw&"'"
    set rs = server.CreateObject("adodb.recordset")
    rs.open sql,conn,1,1
    if not rs.eof then
    '登录成功后记录相关都session
    session("power") = rs("admin_power")
    session("username") = username
    '关闭上面查询完成的rs
    rs.close
    set rs = nothing
    dim getcode
    getcode=UCase(Cstr(Session("GetENCode")))
    if getcode=code then
    bool2 = true
    response.Write("")
    end if
    Session("GetENCode")=""
    else
    response.Write("")
    end if

    end if
    %>


  • <%
    if not bool then
    dim ip,logintime
    logintime = now()
    ip = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
    If ip = "" Then
    ip = Request.ServerVariables("REMOTE_ADDR")
    end if
    sql = "insert into errorlog(error_name,error_pw,error_ip,error_time) values('"&username&"','"&pw&"','"&ip&"','"&logintime&"')"
    set rs = server.CreateObject("adodb.recordset")
    rs.open sql,conn,1,3
    response.Write("我们检测到非法字符!已经记录了你的ip!!!")
    end if
    if not bool2 and bool=true then
    response.Write("输入的用户名或密码或验证码错误!!!请后退核实之后再次输入!!!")
    end if
    if bool2 then
    response.Write("登录成功!!!系统在3秒后自动跳转到管理页面!!!")
    response.Write("")
    response.Write("如果页面无跳转!!!请点击到管理界面")
    end if
    conn.close
    set conn = nothing
    %>





还有css部分差点忘给了
/*
下面的代码是图书管理系统首页的css代码*/

/*
公共部分都css代码*/

*{
margin:0px;
padding:0px;
}

body{
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
color:#000000;
background:url(../images/bgcolor.gif);
}
/*下面的代码用于对齐用户名和密码输入框*/
.input{
color:#006699;
width:100px;
height:20px;
border:#0099FF solid 1px;
}

#content{
text-align:center;
margin:100px 50px;
}

#middle{
background:url(../images/middle.gif);
width:884px;
}

#middle ul{
list-style:none;
}

#middle ul,li{
padding:10px 3px;
}

回答2:

dw编写是明智的选择;连接数据库你自己弄,下面是一个小例子:



登陆asp


<%
if request("act")="login" then

if request.Form("un")="user" and request.Form("pw")="123456" then '判断和设置用户与密码
Response.Write("登陆成功!")
else
Response.Write("登陆不成功!")
end if
else
%>














用户名:
密 码:

用户名为user 密码为123456


<%
end if
%>

回答3:

首先你先创建一个Access.mdb的数据库,内设一个Member的表,表内有ID、Username,Password三个字段,分别是ID主键(自动编号),Username用户名称,Password登陆密码。保存,然后打开表,填写上用户名称及密码。
接下来开始编写网页了。
*****************以下是Login.htm文件内容**************************


用户名称:
登陆密码:


此页面这些必须存在,其他的就因个人爱好添加一些美化用的东西吧!
*****************以下是Check.asp文件内容**************************
On Error Resume Next
IF Request.Form("Username") = "" Then
Response.Write ""
Response.End()
End IF
IF Request.Form("Password") = "" Then
Response.Write "
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