📄 newsedit.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="java.util.*,com.wsy.news" errorPage="../error.jsp"%>
<jsp:useBean id="s" class="com.wsy.StringTrans"/>
<jsp:useBean id="sql" class="com.wsy.selectsql"/>
<jsp:useBean id="news" class="com.wsy.news"/>
<jsp:setProperty property="*" name="news"/>
<!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=UTF-8">
<title>Insert title here</title>
<SCRIPT language=JavaScript>
var LastCount =0;
function CountStrByte(Message,Total,Used,Remain){
var ByteCount = 0;
var StrValue = Message.value;
var StrLength = Message.value.length;
var MaxValue = Total.value;
if(LastCount != StrLength){
for (i=0;i<StrLength;i++){
ByteCount = (StrValue.charCodeAt(i)<=256) ? ByteCount + 1 : ByteCount + 2;
if (ByteCount>MaxValue) {
Message.value = StrValue.substring(0,i);
alert("留言内容最多不能超过 " +MaxValue+ " 个字节！\n注意：一个汉字为两字节。");
ByteCount = MaxValue;
break;
}
}
Used.value = ByteCount;
Remain.value = MaxValue - ByteCount;
LastCount = StrLength;
}
}
</SCRIPT>
<link href="../CSS/style.css" rel="stylesheet" type="text/css">
</head>
<body background="../images/ht04.gif" bgcolor="#FFFFFF" >
<form name="form1" method="post" action="newsEdittest.jsp">
<table width="80%" border="0" align="center" cellpadding="0" cellspacing="1" class="tableBorder">
<%
String test=(String)session.getAttribute("test");
if(test!=null){
%>
<tr>
<th colspan="2" class="lunzi">恭喜，修改成功！</th>
</tr>
<%}
session.removeAttribute("test");
String id=request.getParameter("id");
Collection temp=sql.selectNews(id);
Iterator it=temp.iterator();
while(it.hasNext()){
news newsl=(news)it.next();
%>
<input type="hidden" name="id" value="<%=newsl.getId() %>"/>
<tr>
<th colspan="2" class="whitezi"><p class="lunzi">新闻修改</p>
<p> </p></th>
</tr>
<tr>
<td width="17%" height="22" align="right"><span class="lunzi">名 称：</span></td>
<td width="83%"><font color="navy" face="Arial">
<input name="title" size="37" value="<%=newsl.getTitle() %>">
</font>
</td>
</tr>
<tr>
<td height="22" align="right" class="whitezi"><span class="lunzi">发 布 者：</span></td>
<td><input name="author" type="text" id="author" value="<%=newsl.getAuthor() %>" size="37"></td>
</tr>
<tr>
<td height="22" align="right" class="lunzi">内 容：</td>
<td align="left"><textarea name="content" cols="70" rows="10" wrap="VIRTUAL" id="content" onkeydown="CountStrByte(this.form.content,this.form.total,this.form.used,this.form.remain);" onkeyup="CountStrByte(this.form.content,this.form.total,this.form.used,this.form.remain);" ><%=newsl.getContent() %></textarea> </td>
</tr>
<tr>
<td colspan="2" id="upid"> </td>
</tr>
<tr><td colspan="2" align="center" class="lunzi">
最多允许
<input name="total" type="text" disabled class="noborder" id="total" value="1600" size="4" class="zczi">
个字节 已用字节：
<input name="used" type="text" disabled class="noborder" id="used" value="0" size="4" class="zczi">
剩余字节：
<input name="remain" type="text" disabled class="noborder" id="remain" value="1600" size="4" class="zczi">
</td>
</tr>
<tr>
<td height="22" align="right"> </td>
<td align="left" class="forumRow">
<input type=Submit class=button value="提 交" name=Submit>
<input type=reset name=Submit2 class=button value="清 除">
</td>
</tr>
</table>
</form>
<%} %>
</body>
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