swift

发布时间：2020-12-14 02:43:35 所属栏目：百科来源：网络整理

导读：// self.view.backgroundColor = UIColor.greenColor(); var backItem:UIBarButtonItem = UIBarButtonItem(title: " 返回 ",style: UIBarButtonItemStyle.Plain,target: self,action: Selector("backButtonTouched")) self.navigationItem.leftBarButtonItem

// 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];

（编辑：李大同）

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