jQuery实现两个列表框的值之间的互换：
截图如下：
代码如下：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%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>列表框的综合应用</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 src="http://code.jquery.com/jquery-latest.js"></script>
<script type="text/javascript">$(function(){$("#right").click(function(){ <%--判断用户是否单击的向右按钮--%>var $options = $("#select option:selected"); <%--获取用户选择的列表项--%>var $remove = $options.remove(); <%--将列表项删除--%>$remove.appendTo('#select2'); <%--将删除的列表项追加到select2中--%>});$('#rightAll').click(function(){ <%--判断用户是否单击了全部向右移动按钮--%>var $options = $('#select option'); <%--获取全部的列表项--%>$options.appendTo('#select2'); <%--将全部的列表项追加到select2中--%>});$("#left").click(function(){var $options = $('#select2 option:selected'); <%--判断用户是否单击的向左按钮--%>var $remove = $options.remove(); <%--将列表项删除--%>$remove.appendTo('#select'); <%--将删除的列表项追加到select中--%>});$('#leftAll').click(function(){var $options = $('#select2 option');var $remove = $options.remove();$remove.appendTo('#select');});});
</script>
</head><body>
<table border="0" cellpadding="0" cellspacing="0"><tr><td width="125"><div align="center"><label><select multiple="multiple" size="6" name="select" id="select"><option value="英语听说">英语听说</option><option value="声乐">声乐</option><option value="美术">美术</option><option value="书法">书法</option><option value="高数">高数</option><option value="儿童文学">儿童文学</option></select></label></div></td><td width="51"><label><div align="center"><input type="button" name="right" id="right" value=">|"/><br/><input type="button" name="rightAll" id="rightAll" value=">>"/><br/><input type="button" name="left" id="leftAll" value="<<"/><br/><input type="button" name="leftAll" id="left" value="|<"/></div></label></td><td width="125"><div align="center"><select multiple="multiple" size="6" name="select2" id="select2"></select></div></td></tr>
</table>
</body>
</html>
】)
