<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page import="com.myblog.entity.FenLeiTwo" %>
<%
List<FenLeiTwo> listFenleiTwo=new ArrayList<FenLeiTwo>();
List<FenLeiTwo> listFenleiTwo1=(List<FenLeiTwo>)request.getAttribute("fenleiTList1");
List<FenLeiTwo> listFenleiTwo2=(List<FenLeiTwo>)request.getAttribute("fenleiTList2");
List<FenLeiTwo> listFenleiTwo3=(List<FenLeiTwo>)request.getAttribute("fenleiTList3");
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'writeblog.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">
<script type="text/javascript">
function selected(obj)
{
document.form1.fenleiTwoID.length = 0;//选择清零
document.form1.fenleiTwoID.options[0] = new Option('==请选择==',''); //给第一个值
if(obj=="1")
{
<%listFenleiTwo=listFenleiTwo1;
for( int i=0;i<listFenleiTwo.size();i++)
{
FenLeiTwo fenLeiTwo=listFenleiTwo.get(i);
%>
document.form1.fenleiTwoID.options[<%=i+1%>] = new Option('<%=fenLeiTwo.getFenleiTname()%>','<%=fenLeiTwo.getFenleiTname()%>');
<%
}
%>
}else if(obj=="2")
{
<%listFenleiTwo=listFenleiTwo2;
for( int i=0;i<listFenleiTwo.size();i++)
{
FenLeiTwo fenLeiTwo=listFenleiTwo.get(i);
%>
document.form1.fenleiTwoID.options[<%=i+1%>] = new Option('<%=fenLeiTwo.getFenleiTname()%>','<%=fenLeiTwo.getFenleiTname()%>');
<%
}
%>
}
else if(obj=="3"){
<%listFenleiTwo=listFenleiTwo3;
for( int i=0;i<listFenleiTwo.size();i++)
{
FenLeiTwo fenLeiTwo=listFenleiTwo.get(i);
%>
document.form1.fenleiTwoID.options[<%=i+1%>] = new Option('<%=fenLeiTwo.getFenleiTname()%>','<%=fenLeiTwo.getFenleiTname()%>');
<%
}
%>
}else
{
}
}
</script>
</head>
<body>
<div align="left">
<li class="active" id="xieboke">
<form name="form1" >
<h2>写博客</h2> 博客标题：
<input type="text" name="">
<br> 所属类别：
<select name="fenleiOneID" onchange="selected(this.options[this.options.selectedIndex].value)">
<option value="0" >--选择类别--</option>
<option value="1">慢生活</option>
<option value="2">文章分享</option>
<option value="3">闲言碎语</option>
</select>
<br>详细分类：
<select name="fenleiTwoID">
<option value="0" >==选择类别==</option>
</select>
<br> 博客内容：<br>
<textarea rows="25" cols="80" wrap="hard"></textarea><br>
<input type="submit" value="保存内容" >
</form>
</li>
</div>
</body>
</html>js+jsp实现2级联动选择菜单
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转载自shine08210920-hotmail-com.iteye.com/blog/2314576
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