系統(tǒng)的代理方法中沒(méi)有屹堰。杨凑。敷扫。。
[textField addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged];
-(void)textFieldDidChange :(UITextField *)theTextField{
NSLog( @"text changed: %@", theTextField.text);
}