UI_UIStepper控件

#pragma mark - 创建控件 UIStepper

- (void)createSteppper
{
    UIStepper *stepper = [[UIStepper alloc] initWithFrame:CGRectMake(130, 150, 50, 20)];

    // 设置 stepper 最小值，默认是0
    stepper.minimumValue = 20;
    // 设置 stepper 最大值，默认是100
    stepper.maximumValue = 120;
    // 设置每一次加减多少
    stepper.stepValue = 10;
    // 设置当前 stepper 的默认值
    stepper.value = 50;

    [self addSubview:stepper];
    [stepper release];

    // 绑定点击事件
    [stepper addTarget:self action:@selector(stepperAction:) forControlEvents:UIControlEventValueChanged];

}


- (void)stepperAction:(UIStepper *)sender
{
    NSLog(@"stepper");
    self.view.frame = CGRectMake(self.view.frame.origin.x, self.view.frame.origin.y, self.view.frame.size.width, sender.value);
//    self.view.frame = CGRectMake(50, 150, self.frame.size.width, sender.value);
}