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#!/usr/bin/env python | ||
# -*- coding: utf-8 -*- | ||
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""" | ||
Created on 2019年3月8日 | ||
@author: Irony | ||
@site: https://pyqt5.com https://github.com/892768447 | ||
@email: 892768447@qq.com | ||
@file: Threading.QtThreading | ||
@description: | ||
""" | ||
from threading import Thread | ||
from time import sleep | ||
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from PyQt5.QtCore import QObject, pyqtSignal, QTimer, Qt | ||
from PyQt5.QtWidgets import QWidget, QVBoxLayout, QProgressBar | ||
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__Author__ = """By: Irony | ||
QQ: 892768447 | ||
Email: 892768447@qq.com""" | ||
__Copyright__ = 'Copyright (c) 2019 Irony' | ||
__Version__ = 1.0 | ||
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class _Signals(QObject): | ||
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updateProgress = pyqtSignal(int) | ||
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Signals = _Signals() | ||
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class UpdateThread(Thread): | ||
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def run(self): | ||
self.i = 0 | ||
for i in range(101): | ||
self.i += 1 | ||
Signals.updateProgress.emit(i) | ||
sleep(1) | ||
self.i = 0 | ||
Signals.updateProgress.emit(i) | ||
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class Window(QWidget): | ||
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def __init__(self, *args, **kwargs): | ||
super(Window, self).__init__(*args, **kwargs) | ||
self.resize(400, 400) | ||
layout = QVBoxLayout(self) | ||
self.progressBar = QProgressBar(self) | ||
layout.addWidget(self.progressBar) | ||
Signals.updateProgress.connect( | ||
self.progressBar.setValue, type=Qt.QueuedConnection) | ||
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QTimer.singleShot(2000, self.doStart) | ||
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def doStart(self): | ||
self.updateThread = UpdateThread(daemon=True) | ||
self.updateThread.start() | ||
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if __name__ == '__main__': | ||
import sys | ||
from PyQt5.QtWidgets import QApplication | ||
app = QApplication(sys.argv) | ||
w = Window() | ||
w.show() | ||
sys.exit(app.exec_()) |
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