iOS UISlider

UISlider* slider = [[UISlider alloc] initWithFrame:CGRectMake(20, 400, 280, 30)];//最小值slider.minimumValue = 100;//最大值slider.maximumValue = 300;//当前值slider.value = 100;//事件[slider addTarget:self action:@selector(slider:) forControlEvents:UIControlEventValueChanged];[self.view addSubview:slider];- (void)slider:(UISlider*)slider{    //slider.value}