swift 设置导航栏（基础篇）

extension HomeViewController

{

privatefuncsetupNavigationBar(){

/***

        设置导航栏背景颜色

        ***/

navigationController?.navigationBar.barTintColor = UIColor.red/***

        设置导航栏title

        ***/

//        self.title = "网易新闻"

navigationController?.navigationBar.titleTextAttributes = [NSAttributedStringKey.foregroundColor : UIColor.white]

// 自定义view设置title

let titleLabel = UILabel(frame: CGRect(x:0, y:0, width:40, height:40))       

titleLabel.text ="网易新闻"

titleLabel.textColor = UIColor.white       

navigationItem.titleView = titleLabel

// 图片

let imageView = UIImageView(image: UIImage(named :"contentview_imagebg_logo"))        navigationItem.titleView = imageView

/***

        设置导航栏左右按钮

        ***/

//文字

let leftBarButtonItem = UIBarButtonItem(title:"leftButton", style: .plain, target: self, action:#selector(self.leftClick))       

let rightBarButtonItem = UIBarButtonItem(title:"rightButton", style: .plain, target: self, action: #selector(self.rightClick))      

navigationItem.leftBarButtonItem = leftBarButtonItem       

navigationItem.rightBarButtonItem = rightBarButtonItem

// 图片

navigationItem.leftBarButtonItem = UIBarButtonItem(image: UIImage(named:"fog"), style: .plain, target: self, action: #selector(self.leftClick))      

navigationItem.rightBarButtonItem = UIBarButtonItem(image: UIImage(named:"fog"), style: .plain, target: self, action: #selector(self.rightClick))

// 自定义

let leftButton = UIButton(frame: CGRect(x:0, y:0, width:40, height:40))       

let rightButton = UIButton(frame: CGRect(x:0, y:0, width:40, height:40))       

leftButton.setTitleColor(UIColor.black,for: UIControlState.normal)  

rightButton.setTitleColor(UIColor.black,for: UIControlState.normal)       

leftButton.setTitle("leftButton",for: UIControlState.normal)       

rightButton.setTitle("rightButton",for: UIControlState.normal)       

leftButton.addTarget(self, action: #selector(leftClick),for: UIControlEvents.touchUpInside)       

rightButton.addTarget(self, action: #selector(rightClick),for: UIControlEvents.touchUpInside)       

navigationItem.leftBarButtonItem = UIBarButtonItem(customView: leftButton)       

navigationItem.rightBarButtonItem = UIBarButtonItem(customView: rightButton)

// BarButtonItem颜色

leftBarButtonItem.tintColor = UIColor.black   

}

@objcprivatefuncleftClick() {

        print("leftClick")   

}

@objcprivatefuncrightClick() {

      print("rightClick")   

}

}