//MARK: 文本输入框
func _initTextField() {
//如果需要在模拟器中调用电脑的键盘 快捷键：command + shift + k
let textField = UITextField(frame: CGRect(x: 100, y: 100, 200, height: 30))
textField.backgroundColor = UIColor.redColor()
textField.tag = 100
textField.delegate = self
self.view.addSubview(textField)
//设置输入框的边框样式 默认无边框
textField.borderStyle = UITextBorderStyle.RoundedRect
//设置输入文本的字体
textField.font = UIFont.boldSystemFontOfSize(10)
//设置文字的颜色
textField.textColor = UIColor.greenColor()
//设置或获取输入框中的内容
// textField.text = "hehe"
//设置对齐方式
textField.textAlignment = NSTextAlignment.Center
//设置首字母是否自动大写
textField.autocapitalizationType = UITextAutocapitalizationType.Words
//设置自动单词提示
textField.autocorrectionType = UITextAutocorrectionType.Yes
//输入框为空时的提示文本
textField.placeholder = "请输入登陆邮箱"
//修改键盘上的return按钮上的标题
textField.returnKeyType = UIReturnKeyType.Next
//输入框是否安全输入
textField.secureTextEntry = true
//数字键盘
// textField.keyboardType = UIKeyboardType.NumberPad
//开启清楚按钮
textField.clearButtonMode = UITextFieldViewMode.WhileEditing
// //成为第一响应者，弹出键盘
textField.becomeFirstResponder()
//
// //失去第一响应者,收起键盘
// textField.resignFirstResponder()
let btn = UIButton(type: UIButtonType.ContactAdd)
btn.frame = CGRect(x: 0, y: 100, 50, height: 50)
btn.addTarget(self, action: "btnClick:", forControlEvents: UIControlEvents.TouchUpInside)
self.view.addSubview(btn)
}
func btnClick(btn: UIButton) {
//失去第一响应者
let textField = self.view.viewWithTag(100) as! UITextField
textField.resignFirstResponder()
}
//MARK: UITextFieldDelegate
//将要开始编辑
func textFieldShouldBeginEditing(textField: UITextField) -> Bool {
print("将要开始编辑")
//返回true表示继续编辑，返回false是阻止编辑
return true
}
//开始编辑
func textFieldDidBeginEditing(textField: UITextField) {
print("开始编辑")
}
//结束编辑时调用的协议方法
func textFieldDidEndEditing(textField: UITextField) {
print("已经结束")
}
//输入框的内容被修改时调用的协议方法
func textField(textField: UITextField, shouldChangeCharactersInRange range: NSRange, replacementString string: String) -> Bool {
print("range is (range), string is (string)")
return true
}