Swift: 自定义UIBarButtonItem的customView

将UIButton添加至UIBarButtonItem var button: UIButton = UIButton() button.setImage(UIImage(named: "cameraIconInactive"), forState: .Normal) button.frame = CGRectMake(0, 0, 45, 45) button.targetForAction("pushProfileToCamera", withSender: nil) var rightItem:U…