Swift 标签栏的设置

设置标签栏

private func creatNavigationController(dict: [String: AnyObject]) -> DTNavigationController{
    guard  let className       = dict["className"] as? String,
           let title           = dict["title"] as? String,
           let imageName       = dict["imageName"] as? String,
           let selectImageName = dict["selectImageName"] as? String,
           let cls = NSClassFromString(Bundle.main.namespace + "." + className) as? DTViewController.Type
        else {
        return DTNavigationController()
    }
    let vc = cls.init()
    vc.title = title
    vc.tabBarItem.image            = UIImage(named: imageName)
    vc.tabBarItem.selectedImage    = UIImage(named: selectImageName)?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)//使用图片原来颜色
    let attributes                 = [NSForegroundColorAttributeName :UIColor.black,
                                      NSFontAttributeName: UIFont(name: "Heiti SC", size: 12)!]
    let selattributes              = [NSForegroundColorAttributeName :UIColor(red: 251.0/255.0, green: 0, blue: 77.0/255.0, alpha: 1),
                                      NSFontAttributeName: UIFont(name: "Heiti SC", size: 12)!]
    vc.tabBarItem.setTitleTextAttributes(attributes , for: UIControlState.normal)
    vc.tabBarItem.setTitleTextAttributes(selattributes , for: UIControlState.selected)
    let uNC                        = DTNavigationController(rootViewController: vc)

    return uNC
}