饼图示例#

本示例演示了如何创建简单的饼图并对饼图切片进行一些自定义设置。

Pie Chart Screenshot

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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

"""PySide6 port of the Pie Chart Example from Qt v5.x"""

import sys
from PySide6.QtCore import Qt
from PySide6.QtGui import QPainter, QPen
from PySide6.QtWidgets import QMainWindow, QApplication
from PySide6.QtCharts import QChart, QChartView, QPieSeries


class TestChart(QMainWindow):

    def __init__(self):
        super().__init__()

        self.series = QPieSeries()

        self.series.append('Jane', 1)
        self.series.append('Joe', 2)
        self.series.append('Andy', 3)
        self.series.append('Barbara', 4)
        self.series.append('Axel', 5)

        self.slice = self.series.slices()[1]
        self.slice.setExploded()
        self.slice.setLabelVisible()
        self.slice.setPen(QPen(Qt.darkGreen, 2))
        self.slice.setBrush(Qt.green)

        self.chart = QChart()
        self.chart.addSeries(self.series)
        self.chart.setTitle('Simple piechart example')
        self.chart.legend().hide()

        self._chart_view = QChartView(self.chart)
        self._chart_view.setRenderHint(QPainter.Antialiasing)

        self.setCentralWidget(self._chart_view)


if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = TestChart()
    window.show()
    window.resize(440, 300)

    sys.exit(app.exec())