PyQt5 QtChart-饼状图_pyqt5 qpieseries

QPieSeries

QPieSeries类将数据以饼状图显示。

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtChart import QPieSeries, QPieLegendMarker, QChart, QChartView

class MyPieWindow(QWidget):
    def __init__(self, parent=None):
        super(MyPieWindow, self).__init__(parent)

        chart = QChart()
        chartView = QChartView()
        pieSeries = QPieSeries()

        slice0 = pieSeries.append("铁：%10", 1)
        pieSeries.append("铝：%20", 2)
        pieSeries.append("铜：%70", 7)
        pieSeries.setLabelsVisible()
        pieSeries.setPieSize(0.6)
        
        slice0.setExploded() # 外伸
        slice0.setColor(QColor(255, 0, 150))

        chart.setTitle("饼状图")
        chart.addSeries(pieSeries)
        
        chartView.setChart(chart)
        chartView.setRenderHint(QPainter.Antialiasing)

        vbox = QVBoxLayout()
        vbox.addWidget(chartView)
        self.setLayout(vbox)

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