[code="java"][{"cls":"folder","description":"","expandable":false,"href":"","hrefTarget":"","id":"2","leaf":false,"text":" 上海市"}, {"cls":"folder","description":"","expandable":false,"href":"","hrefTarget":"","id":"6","leaf":false,"text":" 北京市"}][/code]
JS代码
[code="java"]Ext.onReady(function(){
Ext.QuickTips.init();
var mytree=new Ext.tree.TreePanel({
el:"tree-panel",
animate:true,
title:"简单Extjs动态树",
collapsible:true,
enableDD:true,
enableDrag:true,
rootVisible:true,
autoScroll:true,
autoHeight:true,
width:150,
lines:true,
loader:new Ext.tree.TreeLoader({
})
});
//根节点
var root=new Ext.tree.AsyncTreeNode({
id:'1',
text:"控制面板",
expanded:true
});
mytree.on('beforeload', function(node) {
mytree.loader.dataUrl = 'tree.jsp?parentId=' + node.id; // 定义子节点的Loader
});
mytree.setRootNode(root);
mytree.render();//不要忘记render()下,不然不显示哦
})
[/code]
