兰蔻梦魅香水50ml价格:jsp报错HTTP Status 500 - ,请帮忙解决.

来源：百度文库编辑：杭州交通信息网时间：2024/04/20 07:50:45

sql = "select * from test_classinfo where classid='" + classid + "'";
try {
rs = conn.executeQuery( sql );
}catch(Exception ee) {
out.println("<center>");
out.println("访问课程信息出错！请将以下信息告知系统管理员。 ");
out.println(ee.toString() + " ");
out.println("<a href=javascript:history.back()>单击这里返回</a>");
out.println("</center>");
}
if(!rs.next()) {
out.println("数据库中没有课程信息，无法进行考试！");
return;
}
classname = rs.getString("classname");
examtime = rs.getInt("totaltime");
total_question_in_paper = rs.getInt("totalques");
total_paper_num = rs.getInt("totalpaper");

// 下面从班级代码为classid的试卷中随机抽取一套，进行考试
sql = "select distinct paper_id from test_paper_info where classid='" + classid + "'";
rs = conn.executeQuery( sql );
if(!rs.next()) {
out.println("还没有班级代号为 " + classid + " 的试题，请联系管理员！");
return;
}

paper_array = new int[total_paper_num];
int index=0;
do{
paper_array[index++] = rs.getInt("paper_id");
}while(rs.next());
curr_paperid = paper_array[(int)Math.floor(Math.random()*total_paper_num)];
session.setAttribute("paperid",""+curr_paperid);
session.setAttribute("classid",""+classid);

sql = "select * from TEST_PAPER_INFO where paper_id=" + curr_paperid;
rs = conn.executeQuery( sql );
%>

<html>
<head>
<script language="JavaScript">
var hours
hours=0
var minutes
minutes=0
var seconds
seconds=1
function show1(){
var Digital=new Date()
var shours=Digital.getHours()
var sminutes=Digital.getMinutes()
var sseconds=Digital.getSeconds()
var dn="AM"
if (shours>12){
dn="PM"
shours=shours-12
}
if (shours==0)
shours=12
if (sminutes<=9)
sminutes="0"+sminutes
if (sseconds<=9)
sseconds="0"+sseconds
var sctime=""+shours+":"+sminutes+":"+sseconds+" "+dn+""
if (!document.all)
document.write(sctime)
else
tick1.innerHTML=sctime
}

function show2(){

seconds=parseInt(seconds)+1
minutes=parseInt(minutes)+0
hours=parseInt(hours)+0

if (parseInt(seconds)==60){
minutes=parseInt(minutes)+1
seconds=0
}
if (parseInt(minutes)==<%=examtime%>){
alert("考试时间到!")
document.form1.submit()
return;
}

if (parseInt(minutes)==60){
hours=parseInt(hours)+1
minutes=0
}
if (minutes<=9){
if (seconds<=9){
var ctime="0"+hours+":0"+minutes+":0"+seconds+""
}else{
var ctime="0"+hours+":0"+minutes+":"+seconds+""
}
}else{
if (seconds<=9){
var ctime="0"+hours+":"+minutes+":0"+seconds+""
}else{
var ctime="0"+hours+":"+minutes+":"+seconds+""
}

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