搞了一天，也没把下面的问题搞兼容，在IE下，setInterval ajax可用，在谷歌和FF下都不起作用，用了无数方法，还是没有作用，不知道是我代码写得有误还是怎么的，知道的看一下
- HTML code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="exam_now.aspx.cs" Inherits="Maj.WebSite.exam_now" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link href="skins/exampaper.css" rel="stylesheet" type="text/css" />
<script src="/include/js/jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="/include/js/tab.js" type="text/javascript"></script>
<script src="/include/js/jquery.cookie.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
var id = <%#cntId %>;
var tim=null;
var xmlHttpequest=null;
function finishExam()
{
clearInterval(tim);
var exam1 = "";
var exam2 = "";
var exam3 = "";
var result = "";
$(".paper1 .examvalue").each(function () {
var sign = $(this).attr("rel");
var tmp = "";
$("#ansower_" + sign + " input[type='radio']").each(function () {
if ($(this).attr("checked")) tmp = $(this).val(); //if ($(this).attr("checked")) tmp += "-" + $(this).val();
});
exam1 += tmp + "|";
});
$(".paper2 .examvalue").each(function () {
var tmp = ""; // $(this).attr("rel") + "-";
$("#ansower_" + $(this).attr("rel") + " input[type='checkbox']").each(function () {
if ($(this).attr("checked")) tmp += $(this).val() + ",";
});
tmp = tmp.substr(0, tmp.length - 1) + "|";
exam2 += tmp;
});
$(".paper3 textarea").each(function () {
exam3 += $(this).val() + "|";
});
result = exam1 + exam2 + exam3;
result = result.substr(0, result.length - 1);
$.get("/tools/check_exam.aspx", { cntid:<%#cntId %>, logid:<%#logId %>, data: result, r: Math.random() },
function(data)
{
var txt=data.toString().split("|");
p1.innerHTML=txt[0];
p2.innerHTML=txt[1];
p3.innerHTML=txt[2];
});
//$.cookie("exam", exam1 + exam2);
AdLayer1.innerHTML="<strong>正在改您的卷子!</strong>";
AdLayer1.innerHTML="<strong>成功是从错题开始<br>请认真查看错题</strong><br><br><a href=\"exam_complete.aspx?id=" + <%#cntId %> + "&logid=" + <%#logId %> + "\">查看排名</a>";
}
/*
function ieajx ()
{
if(window.XMLHttpRequest)
{
xmlHttpequest=new XMLHttpRequest();
}
else if(window.ActiveXObject)
{
xmlHttpequest=new XMLHttpRequest("MSXML2.XMLHTTP");
}
if(xmlHttpequest)
{
xmlHttpequest.onreadystatechange=getTxt;
var sendtext="cntid="+<%#cntId %>+"&logid="+<%#logId %>+"&data="+result+"&r="+Math.random();
xmlHttpequest.open("POST","/tools/check_exam.aspx",true);
xmlHttpequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
xmlHttpequest.send(sendtext);
}
}
function getTxt ()
{
if(xmlHttpequest&&xmlHttpequest.readyState==4)
{
if(xmlHttpequest.status==200)
{
AdLayer1.innerHTML="<strong>成功是从错题开始<br>请认真查看错题</strong><br><br><a href=\"exam_complete.aspx?id=" + <%#cntId %> + "&logid=" + <%#logId %> + "\">查看排名</a>";
var data=xmlHttpequest.responseText;
var txt=data.split("|");
p1.innerHTML=txt[0];
p2.innerHTML=txt[1];
p3.innerHTML=txt[2];
}
}
}*/
var maxtime = <%#paperInfo.Minutes %> * 60 //一个小时，按秒计算，自己调整!
window.onload=function (){
tim=self.setInterval("CountDown()", 1000)
}
function CountDown()
{
if (maxtime >= 0)
{
var minutes = Math.floor(maxtime / 60);
var seconds = Math.floor(maxtime % 60);
var msg = "剩余" + minutes + "分";
if(seconds < 10)
{
msg += "0";
}
msg+= seconds + "秒";
document.getElementById("timer").innerHTML=msg;
if (maxtime == 5 * 60)
{
alert('注意，还有5分钟!');
}
--maxtime;
}
else
{
clearInterval(tim);
finishExam();
}
}
function document.oncontextmenu()
{
event.returnValue=false;
}
//屏蔽鼠标右键
function KeyDown()
{
if ((window.event.altKey) && ((window.event.keyCode == 37) || (window.event.keyCode == 39)))
{
event.returnValue = false;
}
if ((event.keyCode == 8) || (event.keyCode == 116))
{
//屏蔽 F5刷新键
event.keyCode = 0;
event.returnValue = false;
}
if ((event.ctrlKey) && (event.keyCode == 78))
{
//屏蔽Ctrl+n
event.returnValue = false;
}
if ((event.shiftKey) && (event.keyCode == 121))
{
//屏蔽shift+F10
event.returnValue = false;
}
}
</script>
</head>
<body onkeydown="KeyDown()" onbeforeunload="" oncontextmenu="event.returnValue=false">
<form id="form1" runat="server">
<div id="header">
<div class="left logo">
<img src="/images/kszx.gif" />
</div>
<div class="right userInfo">
欢迎您，<%#username %> 帐户余额：<%#oluserinfo.UserMoney %>E币 <a href="#">充值</a> <a href="#">收藏本站</a>
</div>
</div>
<div id="paper">
<div class="ksxx">考试时间：<%#paperInfo.Minutes %> 分钟 考生：<%#username %> 总分 ：<%#paperInfo.Total %> 分</div>
<h2 class="kstit"><%#paperInfo.Title %></h2>
<div id="paperTab"><span id="paper1">单选题</span><span id="paper2">多选题</span><span id="paper3">问答题</span></div>
<div class="paperTabCnt">
<div class="paper1" id="p1">
<h2 class="ptit">一、单项选择题（共<%#iei.Count%>题，四个备选答案中，有一个最符合题意）</h2>
<%#exam1.ToString() %>
</div>
<div class="paper2" id="p2">
<h2 class="ptit">二、多项选择题（共<%#multi.Count%>题,五个备选答案中，有2-4个符合题意，少选，选对一个0.5分，选错得0分）</h2>
<%#exam2.ToString() %>
</div>
<div class="paper3" id="p3">
<h2 class="ptit">三、问答题（共<%#qa.Count %>题,不计分，提交后自行对照参考答案）</h2>
<%#exam3.ToString()%>
</div>
</div>
<script language="javascript" type="text/javascript">
setClickTab("#paperTab", ".paperTabCnt")
</script>
</div>
<div id="AdLayer1" class="Timer">
<strong>答题剩余时间</strong>
<div id="timer"><%#paperInfo.Minutes %></div>
<div><input type="button" onclick="finishExam()" value="交卷" /></div>
</div>
<script src="/include/js/float.js" type="text/javascript"></script>
</form>
</body>
</html>