Ext.onReady(function(){
var tree = new Ext.tree.TreePanel({
el:'tree-div'
});
var root = new Ext.tree.TreeNode({text:'我是跟'});
var node1 = new Ext.tree.TreeNode({text:'我是根的第一个枝'});
var node2 = new Ext.tree.TreeNode({text:'我是枝的第一个叶子'});
root.appendChild(node1);
node1.appendChild(node2);
tree.setRootNode(root); //
tree.render();
root.expand(true,true);//自动展开
});
转载于:https://www.cnblogs.com/kunpengit/archive/2012/04/10/2440629.html
相关资源：数据结构—成绩单生成器
