pop621

_noneZeroRullerView = [[DYScrollRulerView alloc]initWithFrame:CGRectMake(5, 5+ScreenHeight/5*2, ScreenWidth-20, rullerHeight) theMinValue:20 theMaxValue:200 theStep:1 theUnit:unitStr theNum:7]; theMaxValue/(theStep* theNum)不能整除时候，尺子拖不到右侧最大值位置，最右侧留出来的橙色空着的部分，拖不过来。