📄 modnews.jsp
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<jsp:useBean id="news" class="oanoticecrud.newsBean" scope="page"/>
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'news.jsp' starting page</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">
-->
<script language="javascript">
function mycheck()
{
window.opener.location.reload();
}
</script>
</head>
<body>
<%
String un=(String)session.getAttribute("user");
if(un==null)
{
response.sendRedirect("../index.jsp");
}
//这里是修改，故在修改之前我们就要获得之前的一些数据,然后将其显示出来
oabean.database db=new oabean.database();
oanoticecrud.newsBean nb=new oanoticecrud.newsBean();
String neid1=request.getParameter("id");
int neid=Integer.parseInt(neid1);
nb.setNewId(neid);
int b=nb.getNewId();
try
{
//获取数据库中的数据(这些数据是我们要修改的那个数据的id的数据)并将其显示在modify页面中
String sql="select * from oa_news where newId='"+neid+"'";
ResultSet rs=null;
rs=db.executeQuery(sql);
while(rs.next())
{
nb.setTitle(rs.getString("title"));
nb.setContent(rs.getString("content"));
nb.setType(rs.getString("type"));
}
}
catch(Exception e){}
%>
<form action="new/modnews.new" method="post"><br><br>
<label>类型</label>
<%--隐藏表单的作用是获得这个值然将它传到一个servlet上但是不要显示出来--%>
<input type="hidden" value="<%=b%>" name="id">
<input type="text" name="type" size=30 value="<%=nb.getType()%>">
<br><br>
<label>主题</label>
<input type="text" name="title" size=30 value="<%=nb.getTitle()%>">
<br> <br><br>
<label>内容</label>
<br>
<textarea name="content" rows="10" cols="25" ><%=nb.getContent()%></textarea><br>
<table width="20%">
<tr>
<td><input type="submit" name="sub" value="提交" onclick="mycheck();"> </td>
<td><input type="reset" name="res" value="重置"></td>
</form>
<td><input type="submit" name="guanbi" value="取消" onclick="tb_remove();"></td>
</tr>
</table>
</body>
</html>
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