WebRoot/admin/xuanxiuke2.jsp

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<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="java.sql.*" %>
<%@ page language="java" %>
<%@ page import="java.util.*" %>
<%@ page import="proj112.*" %>
<jsp:useBean id="a" scope="page" class="proj112.dbconn"/>
<html>
<head>
<title>
  <% request.setCharacterEncoding("gb2312"); %>
</title>
</head>
<body bgcolor="#ffffff">
   <%
       String kechenghao=request.getParameter("kechenghao");
       int totalrecord = 0;
       String sql="";
       String sql1="";
       String sql2="";
       String name="";
       sql="SELECT * FROM kecheng where kcm='"+kechenghao+"'";
       ResultSet rs=a.executeQuery(sql);
 if(rs.next())
   {
     name=rs.getString("kcm");
     %>
     <br> &nbsp;&nbsp; 课程名:<font color="red"><%=name %></font>,选修该课程的学生如下:<br><br><hr><br>
     <%  sql1 = "SELECT count(*) as recordcount FROM xuanke  where kch =(select id from kecheng where kcm='"+kechenghao+"')";
     ResultSet bs = a.executeQuery(sql1);
     if (bs.next())
     {
       totalrecord = bs.getInt("recordcount");
       if(totalrecord!=0){
         sql2="SELECT * FROM xuanke,student where xuanke.stu_id=student.stu_id and xuanke.kch=(select id from kecheng where kcm='"+kechenghao+"')";
         ResultSet ts=a.executeQuery(sql2);
         %>
         <p align="center">
<table  width="100%" cellspacing="0" cellpadding="4" rules="all" bordercolor="#CC9966" border="1" id="dg_rxkb" style="background-color:White;border-color:#CC9966;border-width:1px;border-style:None;width:100%;border-collapse:collapse;">
             <tr>
               <td align="center"><font color="#6633CC">姓名</font></td>
               <td align="center"><font color="#6633CC">学号</font></td>
               <td align="center"><font color="#6633CC">性别</font></td>
               <td align="center"><font color="#6633CC">专业</font></td>
               <td align="center"><font color="#6633CC">联系电话</font></td>

             </tr>
             <%
             while(ts.next()){%>
             <tr>
               <td align="center"><%=ts.getString("stu_id")%></td>
               <td align="center"><%=ts.getString("stu_name")%></td>
               <td align="center"><%=ts.getString("sex")%></td>
               <td align="center"><%=ts.getString("zhuanye")%></td>
               <td align="center"><%=ts.getString("tel")%></td>
             </tr>
             <%} %>
           </table><br >
         <center>
           选修该课程的人数为:&nbsp;&nbsp;<input type="text" value="<%=totalrecord%>" size="2" align="right" readonly="readonly">&nbsp;人
         </center>
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