python pyqt5 设置窗口背景

-- coding: utf-8 --

''' 【简介】 界面背景图片设置

'''

import sys from PyQt5.QtWidgets import QMainWindow, QApplication

app = QApplication(sys.argv) win = QMainWindow() win.setWindowTitle("界面背景图片设置") win.resize(350, 250) win.setObjectName("MainWindow") win.setStyleSheet("#MainWindow{border-image:url(./images/python.jpg);}")

win.setStyleSheet("#MainWindow{background-color: yellow}")

win.show() sys.exit(app.exec_())

-- coding: utf-8 --

''' 【简介】 界面背景图片设置

'''

import sys from PyQt5.QtWidgets import QMainWindow, QApplication from PyQt5.QtGui import QPalette, QBrush, QPixmap

app = QApplication(sys.argv) win = QMainWindow() win.setWindowTitle("界面背景图片设置") palette = QPalette() palette.setBrush(QPalette.Background, QBrush(QPixmap("./images/python.jpg"))) win.setPalette(palette)

当背景图片的宽度和高度大于窗口的宽度和高度时

win.resize(460, 255 )

当背景图片的宽度和高度小于窗口的宽度和高度时

win.resize(800, 600) win.show() sys.exit(app.exec_())

-- coding: utf-8 --

''' 【简介】 界面背景颜色设置

'''

from PyQt5.QtWidgets import QApplication, QLabel ,QWidget, QVBoxLayout , QPushButton, QMainWindow from PyQt5.QtGui import QPalette , QBrush , QPixmap from PyQt5.QtCore import Qt import sys

app = QApplication(sys.argv) win = QMainWindow() win.setWindowTitle("界面背景颜色设置") win.resize(350, 250) palette = QPalette() palette.setColor(QPalette.Background , Qt.red ) win.setPalette(palette) win.show() sys.exit(app.exec_())