教育系统应用

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admin_knowpoint.jsp：源码内容
							<%@ page contentType="text/html; charset=gb2312" language="java" %>
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*"%>
<%@ page import="jinghua.*"%>
<jsp:useBean id="DBCon" class="jinghua.JinghuaConn" scope="session">
</jsp:useBean>
<%!
Connection con=null;
PreparedStatement pstmt=null;
ResultSet rs=null;
%>
<%
try{
    con=DBCon.getConnection();
    String sql="SELECT   `grade`.`Name` AS `gn`,  `knowpoint`.`ID`,  `knowpoint`.`Name`, "+
        " `subject`.`Name` AS `sn`,  `knowpoint`.`gradeid` FROM  `knowpoint` "+
        "  LEFT OUTER JOIN `subject` ON (`knowpoint`.`subid` = `subject`.`ID`) "+
        "  LEFT OUTER JOIN `grade` ON (`knowpoint`.`gradenote` = `grade`.`note`) "+
        "ORDER BY   `grade`.`ID`,  `subject`.`ID`";
    pstmt=con.prepareStatement(sql);
    rs=pstmt.executeQuery();
%>
<script language="javascript">
function submitit(myform)
{
}
function checkdata(){
    if( myform.selgrade.selectedIndex == 0) {
        alert("请选择知识点的年级信息!")
        return false;
    }
    if(myform.selsubject.selectedIndex==0){
        alert("请选择知识点的科目信息!")
        return false;
    }
}
function saveit(myform)
{
  if (confirm("是否保存所有修改？"))
  {
    myform.action="adminnianjisaveedit.asp";
    myform.submit();
  }
}
function delit(myform)
{
  if (confirm("将删除所有选择的知识点数据？"))
  {
    myform.action="admin_knowdel.jsp";
    myform.submit();
  }
}
function banji(myform)
{
    myform.action="adminbanji.asp";
    myform.submit();
}
function power(myform)
{
    myform.action="adminbanjipower.asp";
    myform.submit();
}
function FanAll(form){
for (var i=1;i<form.elements.length;i++){
var e = form.elements[i];
if (e.checked == false){ e.checked = true; }
else { e.checked = false;}
}}
</script>
<%String gs=Tools.selgrade_sub(con);
out.print(gs);
%>
<html>
<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>系统管理 | 科目管理</title>
</script>
<link rel="stylesheet" type="text/css" href="../css.css">
</head>
<body>
<table border="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber2" height="25">
  <tr>
    <td width="100%">当前位置： 系统管理 &gt; 知识点管理</td>
  </tr>
</table>
<center><form name="myform" method="POST" action="admin_knowadd.jsp" onSubmit="return checkdata()">
    <table border="1" cellspacing="1" style="border-collapse: collapse" bordercolor="#799AE1" width="593" id="AutoNumber3" height="20">
      <tr>
        <td width="67" nowrap background="../images/admin_bg_1.gif" bgcolor="#FFFDE8"> 
          <p align="center"><b><font color="#FFFFFF">知识点名称</font></b></td>
        <td bgcolor="#FFFDE8" width="209"> <p align="left">
            <input type="text" name="name" size="33" onblur="this.className='inputnormal'" onfocus="this.className='inputedit';this.select()"     class="inputnormal" value="请输入知识点名称">
        </td>
        <td width="44" nowrap background="../images/admin_bg_1.gif" bgcolor="#FFFDE8"> 
          <p align="center"><b><font color="#FFFFFF">年级</font></b></td>
 <td bgcolor="#FFFDE8" width="122">
 <select name="selgrade" id="grade"
        onChange="changegs(document.myform.selgrade.options[document.myform.selgrade.selectedIndex].value)" size="1">
        <option selected value="temp">未选择</option>
            <%Tools.showGradeOption(con,out); %>
          </select></td>
        <td width="54" nowrap background="../images/admin_bg_1.gif" bgcolor="#FFFDE8"> 
          <p align="center"><b><font color="#FFFFFF">科目</font></b></td>
        <td width="82" bgcolor="#FFFDE8">
<select name="selsubject" id="subject">
        <option selected value="temp">未选择</option>
          </select></td>
        <td width="52" bgcolor="#FFFDE8">
        <input border="0" value="添 加" name="I1" type="submit" class="s02" onsubmit="return checkform1(this)"></td>
      </tr>
    </table>
  </form>
</center>
<p><center>
  </center>
<br>
</p>
<center>
<form name="admin_sub_del" method="get" onSubmit="return submitit(this)">
    <table border="1" cellspacing="1" style="border-collapse: collapse" bordercolor="#799AE1" width="424" id="AutoNumber1">
      <tr    class="trh"> 
        <td width="36" align="center" bgcolor="#E1E1E1" height="20"><input type=checkbox name=del_all1 value=1 onclick=FanAll(adminbanji)></td>
        <td width="48" align="center" bgcolor="#E1E1E1"><font color="#FFFFFF"><b>序号</b></font></td>
        <td align="center" bgcolor="#E1E1E1" width="175"> <font color="#FFFFFF"> 
          <b>知识点</b> </font></td>
        <td align="center" bgcolor="#E1E1E1" width="71"><font color="#FFFFFF"><b>科目</b> 
          </font></td>
        <td align="center" bgcolor="#E1E1E1" width="66"> <font color="#FFFFFF"> 
          <b>年级</b> </font></td>
      </tr>
      <%
      int i=1;
        while(rs.next()){%>
      <tr   class="trh1"> 
        <td align="center"   width="36"> <input type="checkbox" name="id" value="<%=rs.getString("ID")%>"></td>
        <td align="center" width="48"><%=i%>　</td>
        <td width="175" align="center"><%=""+rs.getString("name")%>&nbsp; </td>
        <td width="71" align="center"><%=rs.getString("sn")%>&nbsp;</td>
        <td width="66" align="center"><%=""+rs.getString("gn")%>&nbsp;</td>
      </tr>
      <%
      i++;}
      rs.close();
      pstmt.close();
      %>
      <caption>
      <p align="right"> 
        <input type="submit" value="删除所选项" name="del" onClick="delit(admin_sub_del)" class="s02">
      </p>
      </caption>
    </table>
  </form>
</center>
</body>
</html>
<%
}
catch(SQLException se){
    out.print(se.toString() );
}
catch(Exception e){
    out.print(e.toString());
}
finally{
    DBCon.dropConnection();
}
%>

						