import UIKit
class ViewController: UIViewController,UITextFieldDelegate{
var exampleTextField : UITextField!
override func viewDidLoad() {
super.viewDidLoad()
//初始化textField
self.exampleTextField = UITextField.init()
self.exampleTextField.frame = CGRectMake(20, 100, 300, 30)
self.exampleTextField.placeholder = "占位符啊"
self.exampleTextField.delegate = self
self.exampleTextField.borderStyle = UITextBorderStyle.RoundedRect
/*
UITextBorderStyle.None：无边框
UITextBorderStyle.Line：直线边框
UITextBorderStyle.RoundedRect：圆角矩形边框
UITextBorderStyle.Bezel：边线+阴影
*/
self.exampleTextField.adjustsFontSizeToFitWidth=true //当文字超出文本框宽度时，自动调整文字大小
self.exampleTextField.minimumFontSize=14 //最小可缩小的字号
/** 水平对齐 **/
self.exampleTextField.textAlignment = .Right //水平右对齐
//Center //水平居中对齐
//Left //水平左对齐
/** 垂直对齐 **/
self.exampleTextField.contentVerticalAlignment = .Top //垂直向上对齐
//Center //垂直居中对齐
//Bottom //垂直向下对齐
self.exampleTextField.clearButtonMode=UITextFieldViewMode.WhileEditing //编辑时出现清除按钮
//self.exampleTextField.clearButtonMode=UITextFieldViewMode.UnlessEditing //编辑时不出现，编辑后才出现清除按钮
//self.exampleTextField.clearButtonMode=UITextFieldViewMode.Always //一直显示清除按钮
self.exampleTextField.keyboardType = UIKeyboardType.NumberPad
/*
设置文本框关联的键盘类型
Default：系统默认的虚拟键盘
ASCII Capable：显示英文字母的虚拟键盘
Numbers and Punctuation：显示数字和标点的虚拟键盘
URL：显示便于输入数字的虚拟键盘
Number Pad：显示便于输入数字的虚拟键盘
Phone Pad：显示便于拨号呼叫的虚拟键盘
Name Phone Pad：显示便于聊天拨号的虚拟键盘
Email Address：显示便于输入Email的虚拟键盘
Decimal Pad：显示用于输入数字和小数点的虚拟键盘
Twitter：显示方便些Twitter的虚拟键盘
Web Search：显示便于在网页上书写的虚拟键盘
*/
self.exampleTextField.returnKeyType = .Search
/*
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
*/
self.view .addSubview(self.exampleTextField)
// Do any additional setup after loading the view, typically from a nib.
}
func textFieldDidBeginEditing(textField: UITextField) {
print("(textField.text)")
}
func textFieldShouldReturn(textField: UITextField) -> Bool {
print("(textField.text)")
var str : String
str = textField.text!
print("(str)")
self.exampleTextField.resignFirstResponder()//收起键盘
return false
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}