📄 classmod0.jsp
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<%@ page language="java" contentType="text/html; charset=gb2312"
import="java.util.*" pageEncoding="gb2312" errorPage="../error.jsp"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>修改班级</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<style type="text/css">
<!--
.STYLE3 {font-family: "宋体"; font-size: 18px; }
-->
</style>
<link href="style.css" rel="stylesheet" type="text/css">
</head>
<jsp:useBean id="myRs" scope="page" class="utils.DBManager" />
<%
String userid = (String) session.getAttribute("userid");
if (userid == null)
response.sendRedirect("../index.jsp?error=2");
%>
<%
Integer level = (Integer) session.getAttribute("level");
int l = level.intValue();
if (level == null)
response.sendRedirect("../index.jsp?error=2");
if (!(l == 2))
response.sendRedirect("../error.jsp");
%>
<%
String sql = null;
java.sql.ResultSet rs = null;
String classid = null;
String classname = null;
Integer menbers = 0;
Date Cdate = null;
String type = "";
String message = "";
%>
<%
request.setCharacterEncoding("gb2312");
classid = (String) session.getAttribute("classid");
if (classid != null) {
sql = "select * from class where classid='" + classid + "'";
try {
rs = myRs.executeQuery(sql);
while (rs.next()) {
classid = rs.getString("classid");
classname = rs.getString("classname");
menbers = Integer.valueOf(rs.getInt("menbers"));
Cdate = rs.getDate("Cdate");
}
} catch (Exception e) {
e.printStackTrace();
message = "查询班级失败";
}
type = request.getParameter("type");
if (type != null && type.equals("update")) {
String Classid = request.getParameter("classid");
classname = request.getParameter("classname");
menbers = Integer.valueOf(request.getParameter("menbers"));
String date = request.getParameter("Cdate");
sql = "update class set ";
if (classid != null) {
sql += "classid='" + Classid + "',";
}
if (classname != null) {
sql += "classname='" + classname + "',";
}
if (menbers != null) {
sql += "menbers=" + menbers.intValue() + ",";
}
if (date != null) {
sql += "Cdate=" + date + ",";
}
sql = sql.substring(0, sql.length() - 1);
sql += " where classid='" + classid + "'";
//out.println(sql);
try {
int i = myRs.executeUpdate(sql);
message = "修改班级成功！";
session.setAttribute("Classid", Classid);
} catch (Exception e) {
e.printStackTrace();
message = "修改班级失败！请后退，或者重新修改！";
} finally {
myRs = null;
}
}
}
%>
<body>
<table width="1024" border="0" align="center">
<tr>
<td>
<img src="MainImages/Top.jpg" width="1024" height="126">
</td>
</tr>
<tr>
<td>
<table width="1024" height="300" border="0"
background="MainImages/bg01.gif">
<tr>
<td width="192" valign="top">
<table width="100%" height="160" border="0">
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="../Main.jsp">首页</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassInfo.jsp">班级信息</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassQuery.jsp">班级号查询</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassQuery.jsp">班级名查询</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassAdd.jsp">增加班级</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassDel.jsp">删除班级</a>
</div>
</td>
</tr>
<tr>
<td valign="middle">
<div align="center" class="STYLE3">
<a href="ClassMod.jsp">修改班级</a>
</div>
</td>
</tr>
</table>
</td>
<td width="822" align="center">
<form name="form" method="post"
action="ClassMod.jsp?type=update">
<table width="100%" border="1">
<tr>
<td width="35%">
<div align="right">
班级编号：
</div>
</td>
<td width="65%">
<div align="left">
<label>
<input name="classid" type="text" size="40"
value="<%=classid %>">
</label>
</div>
</td>
</tr>
<tr>
<td>
<div align="right">
班级名称：
</div>
</td>
<td>
<div align="left">
<label>
<input name="classname" type="text" size="40"
value="<%=classname %>">
</label>
</div>
</td>
</tr>
<tr>
<td>
<div align="right">
班级人数：
</div>
</td>
<td>
<div align="left">
<label>
<input name="menbers" type="text" size="40"
value="<%=menbers %>">
</label>
</div>
</td>
</tr>
<tr>
<td>
<div align="right">
入学年份：
</div>
</td>
<td>
<div align="left">
<label>
<input name="Cdate" type="text" size="40"
value="<%=Cdate %>">
</label>
</div>
</td>
</tr>
<tr>
<td colspan="2">
<div align="center">
<label>
<input type="submit" name="Submit" value="修改">
</label>
</div>
</td>
</tr>
</table>
</form>
<center>
<%=message%>
</center>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<p align="center">
<img src="MainImages/bottom.gif" width="1024" height="80"
border="0" usemap="#Map">
</p>
</td>
</tr>
</table>
<map name="Map">
<area shape="rect" coords="521,49,605,70"
href="mailto:zhangxuebo1025@163.com" target="_blank">
</map>
</body>
</html>
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