24 lines
559 B
Python
24 lines
559 B
Python
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from datetime import datetime
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from vnpy.trader.ui import QtWidgets
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from vnpy.chart import ChartWidget
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from vnpy.trader.database import database_manager
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from vnpy.trader.constant import Exchange, Interval
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if __name__ == "__main__":
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app = QtWidgets.QApplication([])
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bars = database_manager.load_bar_data(
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"IF88",
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Exchange.CFFEX,
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interval=Interval.MINUTE,
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start=datetime(2019, 7, 1),
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end=datetime(2019, 7, 17)
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)
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widget = ChartWidget()
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widget.update_history(bars)
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widget.show()
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app.exec_()
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