swift

概述//        self.view.backgroundColor = UIColor.greenColor();                  var backItem:UIBarButtonItem = UIBarButtonItem(title: "返回", style: UIBarButtonItemStyle.Plain, target: self, action: Select

// self.vIEw.backgroundcolor = UIcolor.greencolor();

var backItem:UIbarbuttonItem = UIbarbuttonItem(Title: "返回",style: UIbarbuttonItemStyle.Plain,target: self,action: Selector("backbuttontouched"))

self.navigationItem.leftbarbuttonItem = backItem

var label: UILabel = UILabel()

let coo=UIcolor(red: 0.2,green: 0.1,blue: 1,Alpha: 1);

label.backgroundcolor=coo;

label.frame = CGRect(x:50,y:100,wIDth:200,height:100)

label.text = "第一次进入swift的世界"

self.vIEw.addSubvIEw(label)

var button = UIbutton.buttonWithType(UIbuttonType.System) as? UIbutton

button!.frame = CGRectMake(110.0,120.0,100.0,50.0)

button!.backgroundcolor = UIcolor.graycolor()

button?.setTitlecolor(UIcolor.redcolor(),forState: UIControlState.normal)

button!.setTitlecolor(UIcolor.whitecolor(),forState: UIControlState.Highlighted)

button?.setTitle("touch Me",forState: UIControlState.normal)

button?.setTitle("touch",forState: UIControlState.Highlighted)

button?.addTarget(self,action: "buttonAction:",forControlEvents: UIControlEvents.touchUpInsIDe)

button!.tag = 100

self.vIEw.addSubvIEw(button!)

func backbuttontouched()

{

println("点击了返回键")

}

func buttonAction(sender: UIbutton)

{

NSLog("asdfasd")

// var bbb=maem()

// self.navigationController?.pushVIEwController(bbb,animated: true)

// print(sender);

}

self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];

self.vIEwContr = [[VIEwController alloc] init];

self.vIEwContr.vIEw.backgroundcolor = [UIcolor whitecolor];

UINavigationController *nav = [[UINavigationController alloc] initWithRootVIEwController:self.vIEwContr];

nav.navigationbarHIDden = YES;

self.window.rootVIEwController = nav;

[self.window makeKeyAndVisible];

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