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