UITextFiled

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

field = [[UITextField alloc]initWithFrame:CGRectMake(100, 100, 200, 50)];

field.placeholder = @"please input some word...";

field.font = [UIFont systemFontOfSize:18];

field.textColor = [UIColor blackColor];

field.borderStyle = UITextBorderStyleRoundedRect;

field.textAlignment = NSTextAlignmentCenter;

field.backgroundColor = [UIColor grayColor];

//    field.secureTextEntry = YES;

field.keyboardType = UIKeyboardTypeNumberPad;

field.delegate = self;

[self.view addSubview:field];

// 弹出键盘

[field becomeFirstResponder];

}

- (BOOL)textFieldShouldReturn:(UITextField *)textField

{

// 关闭键盘

[field resignFirstResponder];

return YES;

}