UIColor.orangeColor() navigationItem.leftBarButtonItem = UIBarButtonItem(title: "注册", style: UIBarButtonItemStyle.Plain regiserBtnWillClick)) navigationItem.rightBarButtonItem = UIBarButtonItem(title: "登录", style: UIBarButtonItemStyle.Plain
首先是创建与初始化的方法: - (instancetype)initWithTitle:(nullable NSString *)title style:(UIBarButtonItemStyle)style action:(nullable SEL)action; 这个方法通过一个标题创建ButtonItem,其中style参数可以设置一个风格,枚举如下: typedef NS_ENUM(NSInteger, UIBarButtonItemStyle 我们因为可以通过一个图片来创建BarButtonItem: - (instancetype)initWithImage:(nullable UIImage *)image style:(UIBarButtonItemStyle initWithImage:(nullable UIImage *)image landscapeImagePhone:(nullable UIImage *)landscapeImagePhone style:(UIBarButtonItemStyle
setNavi() { let closeBarButtonItem = UIBarButtonItem(image: UIImage(named:"tk_close"), style: UIBarButtonItemStyle.plain leftBarButtonClick)); let backBarButtonItem = UIBarButtonItem(image: UIImage(named:"tk_back"), style: UIBarButtonItemStyle.plain
self.view.backgroundColor = UIColor.brown self.navigationItem.rightBarButtonItem = UIBarButtonItem(title:”下一页”, style: UIBarButtonItemStyle.Plain
self.view.backgroundColor = UIColor.brown self.navigationItem.rightBarButtonItem = UIBarButtonItem(title:”下一页”, style: UIBarButtonItemStyle.plain