下面就是满足你设想的几个主程序,你还可以在实际应用中不断完善和扩充:
login.asp
' 考生验证
<%@ Language=VBScript%>
<%
name=trim(request("name"))
passwd=trim(request("passwd"))
if name<>"" and passwd<>"" then
' 检查考生是否输入用户名和密码
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open "driver={Microsoft Access Driver(*.mdb)};
dbq="& Server.MapPat("exercise.mdb")
set rs= server.createobject("adodb.recordset")
sql= "select * from user where user=
'" &name&"' and passwd='" & passwd &"'"
Set rs= conn.Execute(sql)
' 验证考生合法性
if not(rs.eof) then
if rs("score")<>0 then
' 检查考生是否已参加过考试,若是则进行成绩查询
response.write rs("user")&"的考试成绩是"&rs("score")
else
session("pass")=1
session("user")=name
response.redirect "test.asp"
end if
else
Response.Write "噢,您输入的用户名或密码不正确!"
end if
else
end if
%>
test.asp
' 从题库中取题考试
<%@ Language=VBScript %>
<%
if session("pass")<>1 then
response.redirect "login.asp"
else
end if
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open "driver={Microsoft Access Driver (*.mdb)};
dbq="& Server.MapPath("exercise.mdb")
sql="select * from test"
Set rs = conn.Execute( sql )
' 提取试题
%>
var isn1=null;
var isn2=false;
today=new Date();
function stopit(){
if(isn2){
clearTimeout(isn1);
}
isn2 = false;
}
function startit(){
stopit();
isnclock();
}
function isnclock(){
var now=new Date();
var hrs=now.getHours();
var min=now.getMinutes();
var sec=now.getSeconds();
document.clckh.disp.value=""+((hrs>12) ? hrs-12 : hrs);
document.clckm.disp.value=((min<10) ? "0" : "")+min;
document.clcks.disp.value=((sec<10) ? "0" : "")+sec;
document.clck.disp.value=(hrs>=12) ? "p.m." : "a.m.";
isn1=setTimeout("isnclock()",1000);
isn2=true;
}
' 以上是一个计时函数
' 调用计时函数显示时间
| Time | Hour | Min | Sec | |

