第二十三篇 -- 为窗体添加背景图片

#!/usr/bin/env python
# _*_ coding: UTF-8 _*_
"""=================================================
@Project -> File    : Operate_system_ModeView_structure -> play.py
@IDE     : PyCharm
@Author  : zihan
@Date    : 2020/5/4 11:16
@Desc    :
================================================="""
import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPainter, QPixmap
from ui_play import Ui_Form


class QmyWidget(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)  # 调用父类构造函数
        self.ui = Ui_Form()  # 创建UI对象
        self.ui.setupUi(self)  # 构造UI

    def paintEvent(self, event):  # 绘制窗体背景图片
        painter = QPainter(self)
        pic = QPixmap("background.jpg")
        painter.drawPixmap(0, 0, self.width(), self.height(), pic)
        super().paintEvent(event)


if __name__ == ‘__main__‘:
    app = QApplication(sys.argv)  # 创建app
    form = QmyWidget()
    form.show()
    sys.exit(app.exec_())