Jsp/Servlet

开发平台：
VBScript

xuanxiuke1.jsp~4~：源码内容
							<%@ 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>
xuanke_1
</title>
</head>
<body bgcolor="#ffffff">
   <%
       String stu_id=request.getParameter("stu_id");
       int totalrecord = 0;
       String sql="";
       String sql1="";
       String sql2="";
       String name="";
       sql="SELECT * FROM student where stu_id='"+stu_id+"'";
       ResultSet rs=a.executeQuery(sql);
 if(rs.next())
   {
     name=rs.getString("name");
     %>
     <br> 学号：<%=stu_id %>&nbsp;&nbsp; 姓名：<%=stu_name %>，所选修的课程如下：<br><br><hr><br><br>
     <%  sql1 = "SELECT count(*) as recordcount FROM 选课关联 where stu_id='"+stu_id+"'";
     ResultSet bs = a.executeQuery(sql1);
     if (bs.next())
     {
       totalrecord = bs.getInt("recordcount");
       if(totalrecord!=0){
         sql2="SELECT * FROM 选课关联,kechengbiao where 选课关联.kch=kechengbiao.kch and 选课关联.stu_id='"+stu_id+"'";
         ResultSet ts=a.executeQuery(sql2);
         %>
         <p align="center">
           <table width="500" cellpadding=3 cellspacing=0 align=center border=1 bordercolor="#FFCCCC" >
             <tr>
               <td align="center"><font color="#6633CC">课程号</font></td>
               <td align="center"><font color="#6633CC">课程名</font></td>
               <td align="center"><font color="#6633CC">任课教师</font></td>
               <td align="center"><font color="#6633CC">周几</font></td>
               <td align="center"><font color="#6633CC">时间</font></td>
               <td align="center"><font color="#6633CC">上课教室</font></td>
             </tr>
             <%
             while(ts.next()){%>
             <tr>
               <td align="center"><%=ts.getString("课程号")%></td>
               <td align="center"><%=ts.getString("课程名")%></td>
               <td align="center"><%=ts.getString("任课教师")%></td>
               <td align="center"><%=ts.getString("星期几")%></td>
               <td align="center"><%=ts.getString("时间")%></td>
               <td align="center"><%=ts.getString("上课教室")%></td>
             </tr>
             <%} %>
           </table>
           <%}else
           {%>
           <script language="javascript">
           alert("该学生没有选课");
           history.go(-1);
           history.go(0);
           </script>
           <%}
           }else
           {%>
           <script language="javascript">
           alert("该学生没有选课");
           history.go(-1);
           history.go(0);
           </script>
           <%}
           }
   else
     {%>
     <script language="javascript">
     alert("没有你输入的学生,请重新输入");
     history.go(-1);
     history.go(0);
     </script>
   <%}
      %>
</body>

						