一，效果图。
二，源代码。
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Saving Portal State - jQuery EasyUI</title>
<link rel="stylesheet" type="text/css" href="http://www.jeasyui.com/easyui/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="http://www.jeasyui.com/easyui/themes/icon.css">
<script type="text/javascript" src="http://code.jquery.com/jquery-1.6.min.js"></script>
<script type="text/javascript" src="http://www.jeasyui.com/easyui/jquery.easyui.min.js"></script>
<script type="text/javascript" src="http://www.jeasyui.com/easyui/jquery.portal.js"></script>
</head>
<body>
<h2>EasyUI Portal</h2>
<p>This example shows how to build a simple portal system with floating panels.</p>
<div id="pp" style="width:700px;position:relative">
<div style="width:30%;"></div>
<div style="width:40%;"></div>
<div style="width:30%;"></div>
</div>
<style type="text/css">
.demo-rtl .portal-column-left{
padding-left: 10px;
padding-right: 10px;
}
.demo-rtl .portal-column-right{
padding-left:10px;
padding-right: 0;
}
</style>
<script type="text/javascript" src="/easyui/jquery.portal.js"></script>
<script type="text/javascript">
var panels = [
{id:'p1',title:'Tutorials',height:200,collapsible:true,href:'http://www.jeasyui.com/demo/main/portal_p1.html'},
{id:'p2',title:'Clock',href:'http://www.jeasyui.com/demo/main/portal_p2.html'},
{id:'p3',title:'PropertyGrid',height:200,collapsible:true,closable:true,href:'http://www.jeasyui.com/demo/main/portal_p3.html'},
{id:'p4',title:'DataGrid',height:200,closable:true,href:'http://www.jeasyui.com/demo/main/portal_p4.html'},
{id:'p5',title:'Searching',href:'http://www.jeasyui.com/demo/main/portal_p5.html'},
{id:'p6',title:'Graph',href:'http://www.jeasyui.com/demo/main/portal_p6.html'}
];
function getCookie(name){
var cookies = document.cookie.split(';');
if (!cookies.length) return '';
for(var i=0; i<cookies.length; i++){
var pair = cookies[i].split('=');
if ($.trim(pair[0]) == name){
return $.trim(pair[1]);
}
}
return '';
}
function getPanelOptions(id){
for(var i=0; i<panels.length; i++){
if (panels[i].id == id){
return panels[i];
}
}
return undefined;
}
function getPortalState(){
var aa = [];
for(var columnIndex=0; columnIndex<3; columnIndex++){
var cc = [];
var panels = $('#pp').portal('getPanels', columnIndex);
for(var i=0; i<panels.length; i++){
cc.push(panels[i].attr('id'));
}
aa.push(cc.join(','));
}
return aa.join(':');
}
function addPanels(portalState){
var columns = portalState.split(':');
for(var columnIndex=0; columnIndex<columns.length; columnIndex++){
var cc = columns[columnIndex].split(',');
for(var j=0; j<cc.length; j++){
var options = getPanelOptions(cc[j]);
if (options){
var p = $('<div/>').attr('id',options.id).appendTo('body');
p.panel(options);
$('#pp').portal('add',{
panel:p,
columnIndex:columnIndex
});
}
}
}
}
$(function(){
$('#pp').portal({
onStateChange:function(){
var state = getPortalState();
var date = new Date();
date.setTime(date.getTime() + 24*3600*1000);
document.cookie = 'portal-state='+state+';expires='+date.toGMTString();
}
});
var state = getCookie('portal-state');
if (!state){
state = 'p1,p2:p3,p4:p5,p6'; // the default portal state
}
addPanels(state);
$('#pp').portal('resize');
});
</script>
</body>
</html>