Python/pyqt5/CODE/qt04x範例程式/qt04_closeMainWin.py

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# -*- coding: utf-8 -*-
'''
簡介
PyQT5中關閉視窗範例
'''
from PyQt5.QtWidgets import QMainWindow, QHBoxLayout, QPushButton , QApplication, QWidget
import sys
class WinForm(QMainWindow):
def __init__(self, parent=None):
super(WinForm, self).__init__(parent)
self.resize(330,100)
self.setWindowTitle('關閉主視窗範例')
self.button1 = QPushButton('關閉主視窗')
self.button1.clicked.connect(self.onButtonClick)
layout = QHBoxLayout()
layout.addWidget(self.button1)
main_frame = QWidget()
main_frame.setLayout(layout)
self.setCentralWidget(main_frame)
def onButtonClick(self ):
#sender 是發送訊號的物件此處傳送訊號的物件是button1按鈕
sender = self.sender()
print( sender.text() + ' 被按下了')
qApp = QApplication.instance()
qApp.quit()
if __name__ == "__main__":
app = QApplication(sys.argv)
form = WinForm()
form.show()
sys.exit(app.exec_())