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        @IBActionfunc password_keyboard_begin(sender: AnyObject) {//        let transform_up_100 = CGAffineTransformMakeTranslation(0, -150)//        UIView.beginAnimations(nil, context: nil)...

//// ViewController.swift// AutolayoutScrollViewInCode//// Created by 张星宇 on 15/12/21.// Copyright © 2015年 张星宇. All rights reserved.//import UIKitimport SnapKitlet ScreenWi...

来源： http://stackoverflow.com/a/27057168/2967461  class MyView: UIView { override init (frame : CGRect) { super.init(frame : frame) addBehavior() } conveni...