前置：

pip install PyQt6-Charts

结果：

代码：

import sysfrom PyQt6.QtCharts import (QBarCategoryAxis, QBarSet, QChart,QChartView, QValueAxis,QHorizontalBarSeries)
from PyQt6.QtCore import Qt,QSize
from PyQt6.QtGui import QPainter,QColor
from PyQt6.QtWidgets import QApplication, QWidget,QVBoxLayoutclass BarChartWidget(QWidget):def __init__(self):super().__init__()self.setMinimumSize(QSize(400,600))self.chart = QChart()self._chart_view = QChartView(self.chart)self._chart_view.setRenderHint(QPainter.RenderHint.Antialiasing)layout = QVBoxLayout()layout.addWidget(self._chart_view)self.setLayout(layout)passdef set_data(self,data:dict):self.data = dataself.set_0 = QBarSet('')self.set_0.append(list(self.data['data_map'].values()))  # 7self.set_0.setBarSelected(self.data['target_int'], True)self.set_0.setSelectedColor(QColor(255, 99, 71))self.series = QHorizontalBarSeries()self.series.append(self.set_0)self.series.setLabelsVisible(True)self.series.setLabelsPosition(QHorizontalBarSeries.LabelsPosition.LabelsInsideEnd)self.series.setLabelsFormat(f"@value {self.data['union_val']}")self.chart.addSeries(self.series)self.chart.setTitle(self.data['title'])self.chart.legend().hide()self.chart.setAnimationOptions(QChart.AnimationOption.SeriesAnimations)self.categories = list(self.data['data_map'].keys())self.axis_x = QBarCategoryAxis()self.axis_x.append(self.categories)self.chart.addAxis(self.axis_x, Qt.AlignmentFlag.AlignLeft)self.series.attachAxis(self.axis_x)self.axis_y = QValueAxis()self.axis_y.setRange(0, max(list(self.data['data_map'].values())))self.chart.addAxis(self.axis_y, Qt.AlignmentFlag.AlignBottom)self.series.attachAxis(self.axis_y)passif __name__ == '__main__':app = QApplication([])pre_data = {'title':'横向柱状图','target_int':2,'union_val':'元','data_map':{'苹果':8,'香蕉':5,'榴莲':25,'葡萄':9,'荔枝':15}}mw = BarChartWidget()mw.set_data(pre_data)mw.show()sys.exit(app.exec())pass