sample3.js

来自「java extjs开发的一个登陆项目」· JavaScript 代码 · 共 43 行

Ext.onReady(function(){
	var root = new Ext.tree.TreeNode({
		id:"root",
		text:"树的根"
	});
	root.appendChild(new Ext.tree.TreeNode({
		id:"c1",
		text:"节点1"
	}));
	root.appendChild(new Ext.tree.TreeNode({
		id:"c2",
		text:"节点2"
	}));
	root.appendChild(new Ext.tree.TreeNode({
		id:"c3",
		text:"节点3"
	}));
	root.appendChild(new Ext.tree.TreeNode({
		id:"c4",
		text:"节点4"
	}));
	root.appendChild(new Ext.tree.TreeNode({
		id:"c5",
		text:"节点5"
	}));
	var tree = new Ext.tree.TreePanel({
		renderTo:"hello",
		title:"树选择模型",
		root:root,
		width:300,
		tbar:[{
			text:"查看",
			pressed:true,
			handler:showSelected
		}]
	});
	function showSelected(){
		var node = tree.getSelectionModel().getSelectedNode();
		if(node){
			alert(node.text);
		}
	}	
})