65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2020/6/11
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@author: Irony
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@site: https://pyqt.site https://github.com/PyQt5
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@email: 892768447@qq.com
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@file:
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@description:
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"""
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__Author__ = 'Irony'
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__Copyright__ = 'Copyright (c) 2020'
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__Version__ = 'Version 1.0'
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from PyQt5.QtCore import QTimer, Qt
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from PyQt5.QtGui import QMovie
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from PyQt5.QtWidgets import QApplication, QSplashScreen, QWidget
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class GifSplashScreen(QSplashScreen):
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def __init__(self, *args, **kwargs):
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super(GifSplashScreen, self).__init__(*args, **kwargs)
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self.movie = QMovie('Data/splash.gif')
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self.movie.frameChanged.connect(self.onFrameChanged)
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self.movie.start()
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def onFrameChanged(self, _):
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self.setPixmap(self.movie.currentPixmap())
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def finish(self, widget):
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self.movie.stop()
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super(GifSplashScreen, self).finish(widget)
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if __name__ == '__main__':
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import sys
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import cgitb
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cgitb.enable(1, None, 5, '')
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app = QApplication(sys.argv)
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splash = GifSplashScreen()
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splash.show()
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def createWindow():
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app.w = QWidget()
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# 模拟初始5秒后再显示
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splash.showMessage('等待界面显示', Qt.AlignHCenter | Qt.AlignBottom, Qt.white)
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QTimer.singleShot(3000, lambda: (
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splash.showMessage('初始化完成', Qt.AlignHCenter | Qt.AlignBottom, Qt.white), app.w.show(),
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splash.finish(app.w)))
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# 模拟耗时5秒。但是不能用sleep
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# 可以使用子线程加载耗时的数据
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# 主线程中循环设置UI可以配合QApplication.instance().processEvents()
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splash.showMessage('等待创建界面', Qt.AlignHCenter | Qt.AlignBottom, Qt.white)
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QTimer.singleShot(3000, createWindow)
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sys.exit(app.exec_())
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