点点滴滴

参看文档 http://practicalswift.com/2014/06/14/the-swift-standard-library-list-of-built-in-functions/

extension UIViewController { func prefersStatusBarHidden() -> Bool { return true } }  

extension Array { mutating func AppendObj(obj: T) { //... self.append(obj); } }  

func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! { var cell : UITableViewCell = tableView.dequeueReusableCellWithIdentifier("Com...

import Foundation extension Array { func contains(object:AnyObject!) -> Bool { if(self.isEmpty) { return false } let array: NSArray = self.bridgeToO...

+ (id)buttonWithType:(UIButtonType)buttonType class func buttonWithType(buttonType: UIButtonType) -> AnyObject! 调用var button = UIButton.buttonWithType(UIButtonType.System) as UIButton + (...

原来-(id)init{ self = [[[NSBundle mainBundle] loadNibNamed:@"ViewBtnWishList" owner:0 options:nil] objectAtIndex:0]; return self; } swift extension UIView { class func loadFromNibNa...

var myActionSheet:UIActionSheet = UIActionSheet() var title : String? = "Select Source" myActionSheet.title = title myActionSheet.delegate = self myActionSh...

由于swift没有了指针类型  let myContext = UnsafePointer<()>() observee.addObserver(observer, forKeyPath: …, options: nil, context: myContext) override func observeValueForKeyPath(keyPath: String...

backgroundColor=UIColor .colorWithRed(125/255.0, green: 125/255.0, blue: 125/255.0, alpha: 1.0) 改为 backgroundColor = UIColor(red: 0.5, green: 0.5, blue: 0.5, alpha: 1.0) 或者 import Foundatio...

override func touchesBegan(touches: NSSet, withEvent event: UIEvent) { super.touchesBegan(touches, withEvent: event) let touch : UITouch = touches.anyObject() as UITouch if touch.v...

func sumOf(numbers: Int...) -> Int { var sum = 0 for number in numbers { sum += number } return sum } sumOf() // returns 0 sumOf(1,2) // retu...

全局变量 private let _SingletonSharedInstance = Singleton() class Singleton { class var sharedInstance : Singleton { return _SingletonSharedInstance } } 嵌套 class Singleton { ...

let frame = (info[UIKeyboardFrameEndUserInfoKey] as NSValue).CGRectValue()