Swift 简单控件示例:文本框(UITextField)

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  1. //
  2. // ViewController.swift
  3. // UITextFieldSample
  4. //
  5. // Created by jinnchang on 15/4/2.
  6. // Copyright (c) 2015年 Jinn Chang. All rights reserved.
  7. //
  8.  
  9. import UIKit
  10.  
  11. class ViewController: UIViewController,UITextFieldDelegate {
  12. var textField: UITextField!
  13.  
  14. override func viewDidLoad() {
  15. super.viewDidLoad()
  16. // Do any additional setup after loading the view,typically from a nib.
  17. textField = UITextField(frame: CGRectMake(30,50,self.view.frame.size.width - 60,40))
  18. textField.borderStyle = .RoundedRect
  19. textField.placeholder = "请输入内容"
  20. textField.text = "username"
  21. textField.delegate = self
  22. self.view.addSubview(textField)
  23. }
  24.  
  25. override func didReceiveMemoryWarning() {
  26. super.didReceiveMemoryWarning()
  27. // Dispose of any resources that can be recreated.
  28. }
  29. // 进入编辑状态
  30. func textFieldDidBeginEditing(textField: UITextField) {
  31. println("开始编辑:\(textField.text)")
  32. }
  33. // 结束编辑状态
  34. func textFieldDidEndEditing(textField: UITextField) {
  35. println("结束编辑:\(textField.text)")
  36. }
  37. // Return 按钮隐藏键盘
  38. func textFieldShouldReturn(textField: UITextField) -> Bool {
  39. textField.resignFirstResponder()
  40. return true
  41. }
  42. // 点击编辑框外,隐藏键盘
  43. override func touchesEnded(touches: NSSet,withEvent event: UIEvent) {
  44. textField.resignFirstResponder()
  45. }
  46.  
  47. }
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GitHub 上项目地址:UITextFieldSample
控件更多相关属性方法参考:UITextField Class Reference 文章最后更新时间:2015年4月3日11:47:37

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