swift UITextField，UIDatePicker，UIPickerView

//

//  TextFieldViewController.swift

//  UIControlDemo

//

//  Created by   on 14/12/1.

//  Copyright (c) 2014年 马大哈. All rights reserved.

//

 

import UIKit

 

class TextFieldViewController: BaseViewController ,UITextFieldDelegate ,UIPickerViewDelegate ,UIPickerViewDataSource{

   

    var wordTextField:UITextField? //文字

    var dateTextField:UITextField? //时间

    var dataTextField:UITextField? //普通picker（data）

 

    var pickerArray = ["1","2","3","4","5","6","7"]

    

    override func viewDidLoad() {

        super.viewDidLoad()

        

        self.title = "输入框+日期picker+数据picker"

        

        wordTextField = UITextField(frame: CGRectMake(50, 70, 200, 40))

        wordTextField?.backgroundColor = .clearColor()

        wordTextField!.tag = 100

        wordTextField?.delegate = self

        wordTextField?.borderStyle = UITextBorderStyle.RoundedRect//UITextBorderStyle可以去掉wordTextField.borderStyle = .RoundedRect

        wordTextField?.keyboardType = UIKeyboardType.Default

        wordTextField?.returnKeyType = UIReturnKeyType.Done

        wordTextField?.contentVerticalAlignment = UIControlContentVerticalAlignment.Center

        wordTextField?.clearButtonMode = UITextFieldViewMode.WhileEditing

        wordTextField?.secureTextEntry = false

        wordTextField?.textColor = .blackColor()

        wordTextField?.textAlignment = .Left

        wordTextField?.placeholder = "键盘"

        wordTextField?.font = UIFont.systemFontOfSize(15)

        self.view.addSubview(wordTextField!)

 

        dateTextField = UITextField(frame: CGRectMake(50, 120, 200, 40))

        dateTextField?.backgroundColor = .clearColor()

        dateTextField!.tag = 101

        dateTextField?.delegate = self

        dateTextField?.borderStyle = UITextBorderStyle.RoundedRect//UITextBorderStyle可以去掉wordTextField.borderStyle = .RoundedRect

        dateTextField?.keyboardType = UIKeyboardType.Default

        dateTextField?.returnKeyType = UIReturnKeyType.Done

        dateTextField?.contentVerticalAlignment = UIControlContentVerticalAlignment.Center

        dateTextField?.textColor = .blackColor()

        dateTextField?.textAlignment = .Left

        dateTextField?.placeholder = "日期picker"

        dateTextField?.font = UIFont.systemFontOfSize(15)

        self.view.addSubview(dateTextField!)

        

        var dateFormatter = NSDateFormatter()

        dateFormatter.dateFormat = "YYYY-MM-dd HH:mm:ss"

        

        var datePicker = UIDatePicker()

        datePicker.datePickerMode = UIDatePickerMode.Date

        datePicker.timeZone = NSTimeZone(name: "GMT")

        datePicker.maximumDate = dateFormatter.dateFromString("2014-12-21 12:12:12")//晚于这个时间，无法选择

        datePicker.addTarget(self, action: "datePickerSelected:", forControlEvents: UIControlEvents.ValueChanged)

        dateTextField!.inputView = datePicker

        

        dataTextField = UITextField(frame: CGRectMake(50, 170, 200, 40))

        dataTextField?.backgroundColor = .clearColor()

        dataTextField!.tag = 102

        dataTextField?.delegate = self

        dataTextField?.borderStyle = UITextBorderStyle.RoundedRect//UITextBorderStyle可以去掉wordTextField.borderStyle = .RoundedRect

        dataTextField?.keyboardType = UIKeyboardType.Default

        dataTextField?.returnKeyType = UIReturnKeyType.Done

        dataTextField?.contentVerticalAlignment = UIControlContentVerticalAlignment.Center

        dataTextField?.textColor = .blackColor()

        dataTextField?.textAlignment = .Left

        dataTextField?.placeholder = "数据picker"

        dataTextField?.font = UIFont.systemFontOfSize(15)

        self.view.addSubview(dataTextField!)

   

        var dataPicker = UIPickerView()

        dataPicker.delegate   = self

        dataPicker.dataSource = self

        dataPicker.showsSelectionIndicator = true

        dataTextField!.inputView = dataPicker

    }

 

    func datePickerSelected(datePicker:UIDatePicker){

        var dateFormatter = NSDateFormatter()

        dateFormatter.dateFormat = "YYYY-MM-dd HH:mm:ss"

        let dateString = dateFormatter.stringFromDate(datePicker.date)

        dateTextField!.text = dateString

        

    }

    

   func textFieldShouldBeginEditing(textField: UITextField) -> Bool {

        return true

    }

 

    func textFieldShouldReturn(textField: UITextField) -> Bool {

        if textField.tag==100{

            textField.resignFirstResponder()

        }

        return false

    }

    

    func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int {

        return 1

    }

    

    func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {

        return pickerArray.count

    }

    func pickerView(pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String! {

        return pickerArray[row]

    }

    func pickerView(pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {

        let pickerString = pickerArray[row]

        dataTextField?.text = pickerArray[row]

        println(pickerString)

    }

  

    override func touchesEnded(touches: NSSet, withEvent event: UIEvent) {

        wordTextField?.resignFirstResponder()

        dateTextField?.resignFirstResponder()

        dataTextField?.resignFirstResponder()

        

    }

 

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}