使用Pycharm+PyQt5弹出子窗口的程序代码

时间:2022-06-28 11:22:11

用pycharm和pyqt5,想写一个弹出窗口的程序,如下:

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class video_record(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
    def initUI(self):
        self.startbtn=QPushButton('begin',self)
        self.startbtn.setGeometry(40,20,100,20)
        self.startbtn.clicked.connect(self.time1)
 
        self.timeshow=QLineEdit('',self)
        self.timeshow.setGeometry(200,200,100,20)
 
        self.setGeometry(100,100,640,480)
        self.setWindowTitle('rec')
        self.show()
 
    def time1(self):
        print('rec start')
        self.nw=newin()
        self.nw.show()
        self.nw.exex_()
    
class newin(QDialog):
    def __init__(self):
        super().__init__()
        self.initUI()
    def initUI(self):
        self.lblx=QLabel('hh',self)
        self.lblx.setGeometry(100,100,100,20)
        self.lblx.setAutoFillBackground(True)
        self.pale=QPalette()
        self.pale.setColor(QPalette.Window,Qt.blue)
        self.lblx.setPalette(self.pale)
        self.setGeometry(100,100,300,300)
        self.setWindowTitle('newin')
        self.show()
if __name__ == '__main__':
    app=QApplication(sys.argv)
    ex=video_record()
    ex.show()
    sys.exit(app.exec_())

如果测试时发现闪退,可以试着修改一下调用子窗口的程序:
把‘show'去掉:

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def time1(self):
        print('rec start')
        self.nw=newin()
        #self.nw.show()
        self.nw.exex_()

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原文链接:https://blog.csdn.net/normer123456/article/details/120727896