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<script LANGUAGE="javascript">
<!--
function research_onsubmit() {
if(document.research.Options[0].checked==false &&document.research.Options[1].checked==false&&document.research.Options[2].checked==false&&document.research.Options[3].checked==false)
{
alert("错误:没有选择!")
return false
}
}
//-->
</script>
</head>
<body>
<P align=center><FONT face=华文行楷 size=5><STRONG>实例 网上测试</STRONG></FONT></P>
<%
'随机数的产生
dim i
randomize
i=round(rnd(1)*15+1)
'定义题号
if session("countnum")="" then
session("countnum")=1
else
session("countnum")=session("countnum")+1
end if
if session("countnum")<=5 then
'数据的读取
set rs=server.createobject("adodb.recordset")
conn = "DBQ=" + server.mappath("message.mdb") + ";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};"
sql="select * from problem where id="+cstr(i)
rs.open sql,conn,1,1
if rs.EOF or rs.BOF then
Response.Write "数据库中暂无资料!"
else
'数据的显示%>
<table align=center width=450>
<TR><TD><STRONG>每轮考试为 5 道题!</STRONG><BR></td></tr>
<tr><TD><p><STRONG>第<%Response.Write session("countnum")%>题 <%=rs("problem")%></STRONG><p></td></tr>
<tr><td><STRONG>Choices:</STRONG><ul>
<form method="post" action="check.asp?IID=<%=rs("id")%>" name="research" LANGUAGE="javascript" onsubmit="return research_onsubmit()">
<input type="radio" value="A" name="Options">A: <%=rs("selectA")%><BR>
<input type="radio" value="B" name="Options">B: <%=rs("selectB")%><BR>
<input type="radio" value="C" name="Options">C: <%=rs("selectC")%><BR>
<input type="radio" value="D" name="Options">D: <%=rs("selectD")%></ul></td></tr>
<tr><td align="center"><input type="submit" value=" 提交 " name="cmdok" class="buttonface"></TD></tr></FORM></table>
<%
end if
set rs=nothing
set conn=nothing
else
Response.Write "<P align=center><STRONG>此轮考试已经结束<BR></STRONG>"
msg="您的考试成绩是"&session("acceptnum")*20&"分"
session("countnum")=""
session("acceptnum")=""
Response.Write msg&"</p>"
Response.End
end if
%>
</body>
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