📄 messageupdate.jsp
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<%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
<%
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 'messageupdate.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 type="text/javascript">
function validate(){
var title = document.getElementById("title").value;
var content = document.getElementById("content").value;
if(title == ""){
t.innerHTML="<font color='red'>用户名不能为空!</font>";
return false;
}
if(content == ""){
t.innerHTML="<font color='red'>内容不能为空!</font>";
return false;
}
if(content.length > 500){
t.innerHTML="<font color='red'>内容不能超过500个字!</font>";
return false;
}
return true;
}
</script>
</head>
<body>
<form action="messageoperate.do?action=update&id=${requestScope.messageInfo.messageId}" method="post">
<table border="1" width="90%" cellspacing="1" cellpadding="3" align="center" bordercolor="#326598">
<tr >
<td colspan="2" background="admin/images/admin_bg_1.gif" >
<div align="center"><font color="#FFFFFF"><b>发布公告</b></font></div>
</td>
<tr>
<td> </td><td> </td>
</tr>
</tr>
<tr>
<td width="80" align="right">发表人:</td><td>${requestScope.messageInfo.employeeName}</td>
</tr>
<tr>
<td> </td><td> </td>
</tr>
<tr>
<td width="80" align="right">发表日期:</td><td>${requestScope.messageInfo.messageTim}</td>
</tr>
<tr>
<td><</td><td> </td>
</tr>
<tr>
<td width="80" align="right">标题:</td><td><input type="text" name="title" value="${requestScope.messageInfo.messageTitle}"/>*(公告标题不能为空!)</td>
</tr>
<tr>
<td> </td><td><label id="t"></label></td>
</tr>
<tr>
<td valign="top" align="right">内容:</td>
<td>
<textarea rows="10" cols="110" name="content">${requestScope.messageInfo.messageContent}</textarea>
</td>
</tr>
<tr>
<td colspan="2" align="center">内容不能超过500个字!</td>
</tr>
<tr>
<td colspan="2" align="center">
<input type="hidden" name="name" value="${requestScope.messageInfo.employeeName}"/>
<input type="hidden" name="time" value="${requestScope.messageInfo.messageTim}"/>
<input type="submit" value=" 提交 " onclick="{if(validate()){return true;}return false;}"/>
<input type="reset" value=" 重置 ">
</td>
</tr>
</table>
</form>
</body>
</html>
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