📄 update.jsp
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<html>
<head>
<%@ page contentType="text/html;charset=gb2312" %>
<title>修改新闻</title>
<link rel=stylesheet href="../style.css" type="text/css">
<SCRIPT LANGUAGE="JavaScript">
function valiform() {
if(document.form1.title.value==""){
alert("请输入新闻标题！");
document.form1.title.focus();
return false;
}
if(document.form1.content.value==""){
alert("请输入新闻内容！");
document.form1.content.focus();
return false;
}
}
</script>
</head>
<body>
<%@ page language="java" import="java.sql.*" %>
<jsp:useBean id="updateBean" scope="page" class="guest.guest" />
<%
String id =request.getParameter("id");
session.putValue("id",id);
String content1;
String title;
String sql="select * from guestbook where msgid=" + id + "";
ResultSet RS = updateBean.executeQuery(sql);
RS.next();
content1=RS.getString("content");
title=RS.getString("name");
%>
<FORM METHOD=POST action="ok_update.jsp" name=form1 onSubmit="return valiform()">
<center><h4><font color="blue">修改新闻</font></h4></p>
<TABLE width='60%' height='120'>
<TR>
<td>新闻标题：<INPUT TYPE="text" size="50" name="title" value="<%=title%>">
</td>
</TR>
<TR>
<td>内容：<br><textarea name="content" cols="60" rows="10" maxlength="80"><%=content1%></textarea></td>
</TR>
<TR>
<td align="center"> <INPUT TYPE="submit" size="4" value="修改" class="buttonface">
<INPUT TYPE="reset" size="4" value="重来" class="buttonface"></td>
</TR>
</table>
</center>
<%
RS.close();
%>
</form>
</body>
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