Use of Swift-text input box (Uitextfield)

1, the creation of the text box, there are several styles: uitextborderstyle.none: no Border uitextborderstyle.line: line Border uitextborderstyle.roundedrect: Rounded rectangle border Uitextborderstyle.bezel: Edge + Shadow

1234	vartextField = UITextField(frame: CGRectMake(10,160,200,30))//设置边框样式为圆角矩形textField.borderStyle = UITextBorderStyle.RoundedRectself.view.addSubview(textField)

2, text box prompt text

1	textField.placeholder="请输入用户名"

3, the text size exceeds the text box length automatically reduces the font size, instead of hiding the ellipsis display

12	textField.adjustsFontSizeToFitWidth=true//当文字超出文本框宽度时，自动调整文字大小textField.minimumFontSize=14  //最小可缩小的字号

4, Horizontal/Vertical alignment

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/** 水平对齐 **/textField.textAlignment = .Right //水平右对齐textField.textAlignment = .Center //水平居中对齐textField.textAlignment = .Left //水平左对齐 /** 垂直对齐 **/textField.contentVerticalAlignment = .Top//垂直向上对齐textField.contentVerticalAlignment = .Center//垂直居中对齐textField.contentVerticalAlignment = .Bottom//垂直向下对齐

5, Background image settings

1	textField.background=UIImage(named:"background1");

6, clear the button (the right fork in the input box)

123	textField.clearButtonMode=UITextFieldViewMode.WhileEditing//编辑时出现清除按钮 textField.clearButtonMode=UITextFieldViewMode.UnlessEditing //编辑时不出现，编辑后才出现清除按钮textField.clearButtonMode=UITextFieldViewMode.Always//一直显示清除按钮

7, setting the keyboard type associated with the text box
Default: The system defaults to the virtual keyboard
ascii capable: virtual keyboard showing English alphabet
url: Display a virtual keyboard for easy-to-enter numbers
number pad: Displays a virtual keyboard that is easy to enter a number
phone Pad: Display a virtual keyboard that facilitates dial-up calls
name Phone Pad: Display a virtual keyboard for easy chat dialing
email Address: Displays a virtual keyboard that is easy to enter email
decimal Pad: Displays a virtual keyboard for entering numbers and decimals
twitter: Display the virtual keyboard for easy Twitter
web Search: Display a virtual keyboard that is easy to write on a Web page

1	textfield.keyboardtype = uikeyboardtype numberpad

< Span style= "color: #0000ff;" >
8 so that the text box gets focus when the interface is open and pop-up input keyboard

1	textField.becomeFirstResponder()

< Span style= "color: #0000ff;" >9, causes the text box to lose focus and retract the keyboard

1	textField.resignfirstresponder()

10. Set the style of the keyboard return key

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textField.returnKeyType = UIReturnKeyType.Done //表示完成输入textField.returnKeyType = UIReturnKeyType.Go //表示完成输入，同时会跳到另一页textField.returnKeyType = UIReturnKeyType.Search //表示搜索textField.returnKeyType = UIReturnKeyType.Join //表示注册用户或添加数据textField.returnKeyType = UIReturnKeyType.Next //表示继续下一步textField.returnKeyType = UIReturnKeyType.Send //表示发送

11, the response of the keyboard return key

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class ViewController: UIViewController,UITextFieldDelegate {    override func viewDidLoad() {        super.viewDidLoad()        var textField = UITextField(frame: CGRectMake(10,160,200,30))        //设置边框样式为圆角矩形        textField.borderStyle = UITextBorderStyle.RoundedRect        textField.returnKeyType = UIReturnKeyType.Done        textField.delegate=self        self.view.addSubview(textField)     }        func textFieldShouldReturn(textField:UITextField) -> Bool    {        //收起键盘        textField.resignFirstResponder()        //打印出文本框中的值        println(textField.text)        return true;    }}

Use of Swift-text input box (Uitextfield)