e(e) {
			var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
			type = e.data.type,
			nodes = zTree.getSelectedNodes();
			if (type.indexOf("All")<0 && nodes.length == 0) {
				alert("请先选择一个父节点");
			}

			if (type == "expandAll") {
				zTree.expandAll(true);
			} else if (type == "collapseAll") {
				zTree.expandAll(false);
			} else {
				var callbackFlag = $("#callbackTrigger").attr("checked");
				for (var i=0, l=nodes.length; i<l; i++) {
					zTree.setting.view.fontCss = {};
					if (ty