带图标的按钮

# -*- coding: utf-8 -*-
from PySide2 import QtWidgets, QtGui
import sys

class ButtonApp(QtWidgets.QMainWindow):
    def __init__(self):
        '''
        州的先生 https://zmister.com
        '''
        super(ButtonApp, self).__init__()
        self.setWindowTitle("Qt For Python按钮控件 | 州的先生")
        self.setFixedSize(500, 200)  # 设置窗口固定大小
        self.main_widget = QtWidgets.QWidget()
        self.main_layout = QtWidgets.QVBoxLayout()
        self.main_widget.setLayout(self.main_layout)

        self.btn_1 = QtWidgets.QPushButton("按钮一")
        self.btn_2 = QtWidgets.QPushButton()
        self.btn_2.setText("按钮二")
        self.btn_3 = QtWidgets.QPushButton("按钮三")  # 创建按钮3
        icon_img = QtGui.QIcon(r"D:\Users\Desktop\38944.ico")  # 实例化一个QIcon对象
        self.btn_3.setIcon(icon_img)  # 设置按钮的图标

        self.main_layout.addWidget(self.btn_1)
        self.main_layout.addWidget(self.btn_2)
        self.main_layout.addWidget(self.btn_3)

        self.setCentralWidget(self.main_widget)

if __name__ == '__main__':
    app = QtWidgets.QApplication(sys.argv)
    gui = ButtonApp()
    gui.show()
    sys.exit(app.exec_())