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有get和create方法,看下 |
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感谢作者对库持续的付出~
我想画完趋势线、价格线之后保存其数值(比如映射到横坐标-时间轴,纵坐标-价格),以便下次打开的时候重新渲染,请问能通过什么方式做到这点呢?
更进一步说,是否支持外部数据源控制canvas里面的绘图元素呢?
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