tabbaritem选中时的图片设置

import Foundation
import UIKit

class HTabBarController : UITabBarController {

override func viewDidLoad() {
super.viewDidLoad();

let items:[UITabBarItem] = self.tabBar.items! ;
items[1].selectedImage = UIImage(named: "main_menu_factory_on");
items[2].selectedImage = UIImage(named: "main_menu_delegate_on");
items[3].selectedImage = UIImage(named: "main_menu_mine_on");
}

}