📄 top.jsp
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<%@ page language="java" contentType="text/html; charset=gb2312"
%>
<%@page import="java.sql.*"%>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<jsp:useBean id="grades" scope="page" class="edu.GradeBean" />
<jsp:useBean id="classs" scope="page" class="edu.ClassBean" />
<jsp:useBean id="subjects" scope="page" class="edu.SubjectBean" />
<script language="javascript">
<!--
function usercheck(){
var class_id,grade_id,subject_id;
class_id=document.myform.classes.value;
grade_id=document.myform.grade.value;
subject_id=document.myform.subject.value;
if(document.myform.subject.options[document.myform.subject.selectedIndex].value==""){
alert("请选择科目!");
return false;}
}
//-->
</script>
<%
String sort=null,name=null;
try{
sort=session.getAttribute("sort").toString();
name=session.getAttribute("name").toString();
}catch(NullPointerException e){}
ResultSet rs_class=classs.getClasses();
ResultSet rs_subject=subjects.getSubjects();
int grade_id=0;
String grade=null;
%>
<script type="text/javascript">
var countes;
countes=0;
subc = new Array();
<%
int counts = 0;
try{
while(rs_subject.next()){
%>
subc[<%=counts%>] = new Array("<%=rs_subject.getString("subject")%>","<%=rs_subject.getInt("subject_id")%>","<%=rs_subject.getInt("class_id")%>");
<%
counts++;
}rs_subject.close(); }catch(NullPointerException e){}
%>
countes=<%=counts%>;
function change1(locationid)
{
document.myform.subject.length = 1;
var locationid=locationid;
var i;
document.myform.subject.options[0] = new Option("选择科目", "");
for (i=0;i < countes; i++)
{
if (subc[i][2] == locationid)
{
document.myform.subject.options[document.myform.subject.length] = new Option(subc[i][0], subc[i][1]);
}
}
}
var onecount;
onecount=0;
subcat = new Array();
<%
int count = 0;
try{
while(rs_class.next()){
%>
subcat[<%=count%>] = new Array("<%=rs_class.getString("class")%>","<%=rs_class.getInt("class_id")%>","<%=rs_class.getInt("grade_id")%>");
<%
count++;
}rs_class.close(); }catch(NullPointerException e){}
%>
onecount=<%=count%>;
function changelocation(locationid)
{
document.myform.classes.length = 1;
var locationid=locationid;
var i;
document.myform.classes.options[0] = new Option("选择年级", "");
for (i=0;i < onecount; i++)
{
if (subcat[i][2] == locationid)
{
document.myform.classes.options[document.myform.classes.length] = new Option(subcat[i][0], subcat[i][1]);
}
}
}
</script>
<style type="text/css">
<!--
.style1 {
color: #0000FF;
font-weight: bold;
font-family: Arial, Helvetica, sans-serif;
font-size: 24px;
}
.style2 {font-weight: bold}
.style3 {font-family: "华文新魏"}
.style4 {
color: #FF0000;
font-weight: bold;
}
.style5 {color: #0000FF; font-weight: bold; font-family: "华文新魏"; font-size: 24px; }
.STYLE7 {font-weight: bold; font-size: 12px; }
.STYLE9 {font-size: 12px}
a:link {
text-decoration: none;
}
a:visited {
text-decoration: none;
}
a:hover {
text-decoration: none;
}
a:active {
text-decoration: none;
}
-->
</style>
<link rel="stylesheet" href="style.css" type="text/css">
<BODY>
<TABLE width=750 height="96" border=0 align=center cellPadding=0
cellSpacing=0 class=topline>
<TR>
<TD height=65 align=middle><object
classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0"
width="750" height="96">
<param name="movie" value="images/bar.swf">
<param name="quality" value="high">
<embed src="images/bar.swf" quality="high"
pluginspage="http://www.macromedia.com/go/getflashplayer"
type="application/x-shockwave-flash" width="750" height="96"></embed>
</object></TD>
</TR>
</TABLE>
<!-- 搜索 / 提问 begin -->
<TABLE border=0 cellSpacing=0 cellPadding=0 width=750 align=center
background="images/bg_top_line_b.gif">
<tr>
<td height=18>
<%if(sort!=null&&name!=null){
if(sort.equalsIgnoreCase("user"))
sort="同学";
if(sort.equalsIgnoreCase("teacher"))
sort="老师";
if(sort.equalsIgnoreCase("admin"))
sort="管理员";
%><span class="STYLE7">欢迎</span> <span class="STYLE7"><%=name %><%=sort %></span>
|<%} %> <span class="STYLE9"> <a href="index.jsp" target="_blank"
class="STYLE9">首页</a> | <a href="teacherlist.jsp" target="_blank"
class="STYLE9">名师榜</a> | <a href="userlist.jsp" target="_blank"
class="STYLE9">学生录</a> | <a href="coursewarelist.jsp" target="_blank"
class="STYLE9">课件下载</a> | <a href="notelist.jsp" target="_blank">公告</a>
| <a href="helplist.jsp" target="_blank" class="STYLE9">帮助</a> | <a
href="adminlogin.jsp" target="_blank" class="STYLE9">管理</a></span></td>
</tr>
<TR>
<TD height=35 valign="top">
<TABLE align="center" width="100%" border=0 cellPadding=0
cellSpacing=0>
<FORM method="POST" name="myform"
onSubmit="javascript:return usercheck();" action="search.jsp"
target="_blank">
<TABLE align="center">
<TR>
<TD>请选择：</TD>
<TD><SELECT name="grade"
onChange="changelocation(document.myform.grade.options[document.myform.grade.selectedIndex].value)"
size="1">
<option selected>选择学历</option>
<%ResultSet rs = grades.getGrades();
try{
while(rs.next())
{ grade_id=rs.getInt("grade_id");
grade=rs.getString("grade");
%>
<option value="<%=grade_id %>"><%=grade %></option>
<%}rs.close();}catch(NullPointerException e){} %>
</SELECT></TD>
<TD>年级：</TD>
<TD><SELECT name="classes"
onChange="change1(document.myform.classes.options[document.myform.classes.selectedIndex].value)"
size="1">
<option selected>选择年级</option>
</SELECT></TD>
<TD>科目：</TD>
<TD><SELECT name="subject" size="1">
<option selected>选择科目</option>
</SELECT> <input style="WIDTH: 150px" name=searchkey type=text size=16
value='请输入关键字' onFocus="if (value =='请输入关键字'){value =''}" ></TD>
<td>
<div align="center"><input style="WIDTH: 76px" type=submit
value=搜索答案></div>
</td>
</TR>
</TABLE>
</FORM>
</TABLE>
</TD>
</TR>
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