PyQt5 QtChart绘制柱状图和饼状图_pyqt5用qt designer创建柱状图

Designer创建窗体

转化成py文件

略

上代码

	import sys
from PyQt5.QtGui import QPainter, QPen
from PyQt5.QtCore import Qt, QPoint
from PyQt5.QtWidgets import QApplication, QMainWindow
from PyQt5.QtChart import (QChartView, QChart, QBarSeries, QBarSet, QLineSeries, QPieSeries,
                           QLegend, QBarCategoryAxis, QValueAxis)

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'plot.ui'
#
# Created by: PyQt5 UI code generator 5.15.7
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtChart import QChartView


class Ui_MainWindow(object):

    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.verticalLayout = QtWidgets.QVBoxLayout(self.centralwidget)
        self.verticalLayout.setObjectName("verticalLayout")
        self.graphicsView = QChartView(self.centralwidget)
        self.graphicsView.setStyleSheet("background-color: rgba(255, 255, 255, 100);")
        self.graphicsView.setObjectName("graphicsView")
        self.verticalLayout.addWidget(self.graphicsView)
        self.graphicsView_2 = QChartView(self.centralwidget)
        self.graphicsView_2.setStyleSheet("background-color: rgba(255, 255, 255, 100);")
        self.graphicsView_2.setObjectName("graphicsView_2")
        self.verticalLayout.addWidget(self.graphicsView_2)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 26))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))


class Window(QMainWindow):
    def __init__(self):
        super().__init__()
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        self.createChart()

    def createChart(self):
        # 创建条状单元
        barSet0 = QBarSet('Jane')
        barSet1 = QBarSet('Jone')

        barSet0.append([1, 2, 3, 4, 5, 6])
        barSet1.append([5, 2, 2, 4, 3, 7])

        # 条状图
        barSeries = QBarSeries()
        barSeries.append(barSet0)
        barSeries.append(barSet1)

        # 创建图表
        chart = QChart()
        chart.addSeries(barSeries)
        chart.setTitle('柱状图示例')

        # 设置横向坐标(X轴)
        categories = ['一月', '二月', '三月', '四月', '五月', '六月']
        axisX = QBarCategoryAxis()
        axisX.append(categories)
        chart.addAxis(axisX, Qt.AlignBottom)
        barSeries.attachAxis(axisX)

        axisX.setRange('一月', '六月')

        # 设置纵向坐标(Y轴)
        axisY = QValueAxis()
        axisY.setRange(0, 20)
        chart.addAxis(axisY, Qt.AlignLeft)
        barSeries.attachAxis(axisY)

        # 图例属性
        chart.legend().setVisible(True)
        chart.legend().setAlignment(Qt.AlignBottom)

        #设置饼图数据
        pieSeries = QPieSeries()
        pieSeries.append('Jane', 1)
        pieSeries.append('Joe', 2)
        pieSeries.append('Andy', 3)
        pieSeries.append('Barbara', 4)
        pieSeries.append('Axel', 5)
        
        #处理索引号为1的片
        pieSlice = pieSeries.slices()[1]
        pieSlice.setExploded()
        pieSlice.setLabelVisible() #设置标签可见,缺省不可见
        pieSlice.setPen(QPen(Qt.darkGreen, 2))
        pieSlice.setBrush(Qt.green)
        
        #创建图表
        chart2 = QChart()
        chart2.addSeries(pieSeries)
        chart2.setTitle('简单的饼图示例')
        chart2.legend().hide()


        # 图表视图
        self.ui.graphicsView.setChart(chart)
        self.ui.graphicsView.setRenderHint(QPainter.Antialiasing)
        self.ui.graphicsView_2.setChart(chart2)
        self.ui.graphicsView_2.setRenderHint(QPainter.Antialiasing)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    mywindow = Window()
    mywindow.show()
    sys.exit(app.exec_())
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运行结果展示