📄 choosecourse.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>院系管理</title>
<style type="text/css">
<!--
body {
background-image: url(image/bg_002.gif);
}
body,td,th {
color: #000000;
font-size: 12px;
}
a:link {
color: #000000;
}
a:visited {
color: #333333;
}
-->
</style></head>
<body>
<%
String loginNum=(String)session.getAttribute("lnum");
String name=(String)session.getAttribute("name");
session.setAttribute("lnum",loginNum);
session.setAttribute("name",name);
if(loginNum.equals("1"))
{
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
conn=DriverManager.getConnection("jdbc:odbc:xk","sa","");
String sql="select * from course";
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
%>
<form action="choose.jsp" method="post">
<table width="90%" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td align="center" valign="top"><br>
<br>
<table width="600" border="0" cellpadding="0" cellspacing="1" bgcolor="#000000">
<tr>
<td width="40" height="30" align="center" bgcolor="#999999"><div align="center"><strong>选择</strong></div></td>
<td width="100" align="center" bgcolor="#999999"><div align="center"><strong>课程名称</strong></div></td>
<td width="60" align="center" bgcolor="#999999"><div align="center"><strong>学分</strong></div></td>
<td width="60" align="center" bgcolor="#999999"><div align="center"><strong>学时</strong></div></td>
<td width="90" align="center" bgcolor="#999999"><div align="center"><strong>上课时间</strong></div></td>
<td width="80" align="center" bgcolor="#999999"><div align="center"><strong>上课地点</strong></div></td>
<td width="91" height="30" align="center" bgcolor="#999999"><div align="center"><strong>教师</strong></div></td>
<td width="70" align="center" bgcolor="#999999"><strong>人数</strong></td>
</tr>
<%
while(rs.next())
{
String coId=rs.getString(1);
String coName=rs.getString(2);
String tId=rs.getString(3);
float credit=rs.getFloat(4);
float period=rs.getFloat(5);
String cTime=rs.getString(6);
String cPlace=rs.getString(7);
int cNumAll=rs.getInt(8);
int cNum=rs.getInt(9);
int num=cNumAll-cNum;
%>
<tr bgcolor="#E3E3E3" class="tdbg">
<td width="40" height="22" bgcolor="#C0C0C0"><div align="center">
<input type="radio" name="choose" value="<%=coId%>" <%
Connection connc=null;
Statement stmtc=null;
ResultSet rsc=null;
connc=DriverManager.getConnection("jdbc:odbc:xk","sa","");
String sqlc="select * from chooseCourse where coId='"+coId+"'and sId='"+name+"'";
stmtc=connc.createStatement();
rsc=stmtc.executeQuery(sqlc);
if(rsc.next())out.print("disabled");
else if(num<=0)out.print("disabled");
%>>
</div></td>
<td width="100" height="22" bgcolor="#C0C0C0"><div align="center"><%=coName%></div></td>
<td width="60" height="22" bgcolor="#C0C0C0"><div align="center"><%=credit%></div></td>
<td width="60" height="22" bgcolor="#C0C0C0"><div align="center"><%=period%></div></td>
<td width="90" height="22" bgcolor="#C0C0C0"><div align="center"><%=cTime%></div></td>
<td width="80" height="22" bgcolor="#C0C0C0"><div align="center"><%=cPlace%></div></td>
<td align="right" bgcolor="#C0C0C0" style="padding-right:10"><div align="center"><%
Connection connt=null;
Statement stmtt=null;
ResultSet rst=null;
connt=DriverManager.getConnection("jdbc:odbc:xk","sa","");
String sqlt="select tName from teacher where tId='"+tId+"'";
stmtt=connt.createStatement();
rst=stmtt.executeQuery(sqlt);
if(rst.next())out.print(rst.getString(1));
%></div></td>
<td align="right" bgcolor="#C0C0C0" style="padding-right:10"><div align="center"><%if(num>0)out.print(num);
else out.print("已选满");%></div></td>
</tr>
<%
}
%>
<tr bgcolor="#E3E3E3" class="tdbg">
<td height="22" colspan="8" bgcolor="#C0C0C0"><div align="center">
</div> <div align="center">
<input type="submit" name="Submit" value=" 提 交 ">
</div> <div align="center"></div> <div align="center"></div> <div align="center"></div> <div align="center"></div> <div align="center"></div> <div align="center"></div></td>
</tr>
</table> </td>
</tr>
</table>
</form>
<%
}
catch(Exception e){out.println(e);
}
}
else
{out.println("请先登陆.....");
out.print("<a href=../index.jsp>登陆页面</a>");
}
%>
</body>
</html>
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