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前半个问题在另一个里已经给你答案了。后半个问题复杂一点，要自己加按键事件处理，然后用dataIndexToCoordinate得到下一要的坐标，用setCrosshair()来挪crosshair |
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请问如何让十字光标中心点吸附蜡烛图上？然后通过左右键盘让十字光标切换上一个下一个蜡烛图上去，类似于同花顺PC版。
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