源码twoSlider，这是一个非常不错的双向滚动slider案例，希望大家能够喜欢。 双向滚动slider [list=a] #import "WLRangeSlider.h" (void)viewDidLoad { [super viewDidLoad]; _rangeSlider = [[WLRangeSlider alloc] initWithFrame:CGRectMake(0, 100, 320, 10)]; [_rangeSlider addTarget:self action:@selector(valueChanged:) forControlEvents:UIControlEventValueChanged]; [self.view addSubview:_rangeSlider]; } The Key Point is in "WLRangeSlider.m" in the methord - (void)initLayers { //z这里更改时间轴---24为24个小时 _maxValue = 24.0; _minValue = 0.0; _leftValue = 0; _rightValue = 6.5; _leftValue1=21.0; _rightValue1=24; } next step we initUI then change value in the methord of UIcontrol (BOOL)beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event (BOOL)continueTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event (void)endTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event (void)cancelTrackingWithEvent:(UIEvent *)event 测试环境：Xcode 6.2，iOS 6.0 以上