Swift UIDatePikcer

概述import UIKitclass ViewController: UIViewController { var label:UILabel! var datePikcer:UIDatePicker! override func viewDidLoad() { super.viewDidLoad() label = UILabel.

import UIKitclass VIEwController: UIVIEwController {    var label:UILabel!    var datePikcer:UIDatePicker!    overrIDe func vIEwDIDLoad() {        super.vIEwDIDLoad()        label = UILabel.init(frame: CGRectMake(10,200,self.vIEw.frame.size.wIDth-20,20))        label.textAlignment = NSTextAlignment.Center        label.text = "显示时间"        self.vIEw.addSubvIEw(label)        datePikcer = UIDatePicker.init(frame: CGRectMake(10,64,self.vIEw.frame.wIDth-20,100))        datePikcer.backgroundcolor = UIcolor.orangecolor()        datePikcer.datePickerMode = UIDatePickerMode.Date //设置显示的样式        datePikcer.date = NSDate() //设置默认时间        datePikcer.addTarget(self,action:Selector("datePickerValueChange:"),forControlEvents: UIControlEvents.ValueChanged)        self.vIEw.addSubvIEw(datePikcer)    }    func datePickerValueChange(sender :UIDatePicker) {        let dateFormatter = NSDateFormatter()        dateFormatter.dateFormat = "yyyy-MM-dd"        label.text = dateFormatter.stringFromDate(datePikcer.date)    }}

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