ExtJS -- 改变树节点图标 tree

<style>.x-tree-node .nodeicon {background-image: url(resources/bl_images/16-member-add.png);}</style>this.loader.on('load', function(tree, node) {var nodes = node.childNodes;for (var i = 0; i < nodes.length; i++) {var el = nodes[i].getUI().getIconEl();(new Ext.Element(el)).addClass("nodeicon");//或el.src='back.gif';}});