Swift 导航栏设置

let width = UIScreen.mainScreen().bounds.size.width

let height = UIScreen.mainScreen().bounds.size.height

override func viewDidLoad() {

super.viewDidLoad()

self.title = "这是标题"

self.view.backgroundColor = UIColor.yellowColor()

//自定义标题视图

// let titleLabel = UILabel(frame: CGRect(x: 0, y: 0, width: 200, height: 44))

// titleLabel.textAlignment = NSTextAlignment.Center

// titleLabel.backgroundColor = UIColor.grayColor()

// titleLabel.font = UIFont.boldSystemFontOfSize(25)

// titleLabel.textColor = UIColor.redColor()

// titleLabel.text = "hehe"

// self.navigationItem.titleView = titleLabel

let button = UIButton(type: UIButtonType.System)

button.setTitle("按钮", forState: UIControlState.Normal)

button.addTarget(self, action: "titleViewBtnClick:", forControlEvents: UIControlEvents.TouchUpInside)

button.frame = CGRect(x: 0, y: 0, width: 100, height: 30)

self.navigationItem.titleView = button

/*----------------------UINavigationItem两侧按钮----------------*/

//第一种方式

let leftItem1 = UIBarButtonItem(title: "anniu", style: UIBarButtonItemStyle.Done, target: self, action: "leftAnniuClick")

// self.navigationItem.leftBarButtonItem = leftItem1

//第一种方式

let leftItem2 = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Bookmarks, target: self, action: "btnClick:")

// self.navigationItem.leftBarButtonItem = leftItem2

self.navigationItem.leftBarButtonItems = [leftItem1, leftItem2]

//第三种方式（自定义按钮）

let rightButton = UIButton(type: UIButtonType.Custom)

rightButton.frame = CGRect(x: 0, y: 0, width: 33, height: 32)

rightButton.addTarget(self, action: "rightBtnClick:", forControlEvents: UIControlEvents.TouchUpInside)

rightButton.setImage(UIImage(named: "btn_search.png"), forState: UIControlState.Normal)

let rightItem = UIBarButtonItem(customView: rightButton)

self.navigationItem.rightBarButtonItem = rightItem

/*----------------UINavigationBar导航栏背景设置------------------*/

//隐藏导航栏

// self.navigationController?.navigationBarHidden = true

//设置导航栏背景风格

self.navigationController?.navigationBar.barStyle = UIBarStyle.Default

//设置导航栏的半透明效果，默认是yes

// self.navigationController?.navigationBar.translucent = false

//设置导航栏的背景颜色(必须有半透明效果)

// self.navigationController?.navigationBar.backgroundColor = UIColor.redColor()

//将导航上所有的Label的字体变色

self.navigationController?.navigationBar.tintColor = UIColor.redColor()

//设置图片作为导航栏的背景,设置了背景图片，导航栏就不透明

var img = UIImage(named: "navbar_bg_normal.png")

UIGraphicsBeginImageContext(CGSizeMake(width, 64))

img?.drawInRect(CGRect(x: 0, y: 0, width: width, height: 64))

img = UIGraphicsGetImageFromCurrentImageContext()

UIGraphicsEndImageContext()

self.navigationController?.navigationBar.setBackgroundImage(img, forBarMetrics: UIBarMetrics.Default)

//设置提示文本,通常用不上

// self.navigationItem.prompt = "正在保存";

}

func titleViewBtnClick(btn: UIButton) {

print("标题被点击了")

}

func leftAnniuClick() {

print("anniu被点击了")

}

func btnClick(btn: UIButton) {

print(btn)

}

func rightBtnClick(btn: UIButton) {

print("rightBtnClick")

}