swift中UINavigationController的使用

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// 导航视图控制器标题self.navigationItem.title = "navigationController"        // 导航视图控制器样式self.navigationController!.setNavigationStyleDefault()        // 导航视图控制器左按钮self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "present", style: UIBarButtonItemStyle.Done, target: self, action: Selector("presentClick"))self.navigationItem.leftBarButtonItem!.tintColor = UIColor.greenColor()        // 导航视图控制器右按钮self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "push", style: UIBarButtonItemStyle.Done, target: self, action: Selector("pushClick"))self.navigationItem.rightBarButtonItem!.tintColor = UIColor.orangeColor()

// 注意：如果下个视图控制器的导航栏样式与当前的不一样时，返回当前视图控制器时，需要重置下样式override func viewWillAppear(animated: Bool) {        super.viewWillAppear(animated)                // 导航视图控制器样式        self.navigationController!.setNavigationStyleDefault()}

// 导航视图控制器样式self.navigationController!.setNavigationStyle(UIColor.orangeColor(), textFont: UIFont.boldSystemFontOfSize(12.0), textColor: UIColor.yellowColor())

// 导航栏隐藏，或显示let button = UIButton(frame: CGRectMake(10.0, 10.0, (CGRectGetWidth(self.view.frame) - 10.0 * 2), 40.0))self.view.addSubview(button)button.backgroundColor = UIColor.lightGrayColor()button.setTitle("隐藏导航栏", forState: UIControlState.Normal)button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)button.setTitleColor(UIColor.redColor(), forState: UIControlState.Highlighted)button.addTarget(self, action: Selector("hiddenClick:"), forControlEvents: UIControlEvents.TouchUpInside)button.selected = false

func hiddenClick(button:UIButton){        button.selected = !button.selected                let isSelected = button.selected        let text = (isSelected ? "隐藏" : "显示")        print("\(text) 导航栏")                if isSelected        {            button.setTitle("显示导航栏", forState: UIControlState.Normal)            self.navigationController!.setNavigationBarHidden(true, animated: true)        }        else        {            button.setTitle("隐藏导航栏", forState: UIControlState.Normal)            self.navigationController!.setNavigationBarHidden(false, animated: true)        }        }

// 导航栏样式设置方法// MARK: - 导航栏样式设置/// 设置默认导航栏样式func setNavigationStyleDefault(){        self.setNavigationStyle(UIColor.whiteColor(), textFont: UIFont.boldSystemFontOfSize(18.0), textColor: UIColor.blackColor())}    /// 导航栏样式设置（自定义背景颜色、字体）func setNavigationStyle(backgroundColor:UIColor, textFont:UIFont, textColor:UIColor){        if self.navigationBar.respondsToSelector(Selector("barTintColor"))        {            // 背景色            self.navigationBar.barTintColor = backgroundColor            self.navigationBar.translucent = false            self.navigationBar.tintColor = UIColor.whiteColor()                        // 字体            self.navigationBar.titleTextAttributes = [NSFontAttributeName:textFont, NSForegroundColorAttributeName:textColor];                        // 导航底部1px的阴影颜色-修改            /*            self.navigationBar.shadowImage = UIImage(named: "")            [self.navigationBar setShadowImage:kImageWithColor(kColorSeparatorline)];            */                        // 导航底部1px的阴影-遮住            let maskLayer = CAShapeLayer.init()            maskLayer.backgroundColor = UIColor.redColor().CGColor;            let maskRect = CGRectMake(0, -20.0, CGRectGetWidth(self.navigationBar.frame), (20.0 + CGRectGetHeight(self.navigationBar.frame)));            maskLayer.path = CGPathCreateWithRect(maskRect, nil);            self.navigationBar.layer.mask = maskLayer;        }}

源码：https://github.com/potato512/SYSwiftLearning

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