在PYQT5中更新图表数据

pip install PyQt5 PyQtChart

import sys
import random
from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QPushButton, QWidget
from PyQt5.QtChart import QChart, QChartView, QLineSeries
from PyQt5.QtCore import Qt

class ChartWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        self.setWindowTitle("Dynamic Chart Update")
        self.setGeometry(100, 100, 800, 600)

        self.chart = QChart()
        self.chart.setTitle("Dynamic Data Update")
        self.series = QLineSeries()
        self.chart.addSeries(self.series)
        self.chart.createDefaultAxes()

        self.chart_view = QChartView(self.chart)
        self.chart_view.setRenderHint(QChartView.Antialiasing)

        self.button = QPushButton("Update Data")
        self.button.clicked.connect(self.update_data)

        layout = QVBoxLayout()
        layout.addWidget(self.chart_view)
        layout.addWidget(self.button)

        container = QWidget()
        container.setLayout(layout)
        self.setCentralWidget(container)

        self.update_data()

    def update_data(self):
        self.series.clear()
        for i in range(10):
            self.series.append(i, random.randint(0, 100))

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = ChartWindow()
    window.show()
    sys.exit(app.exec_())