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  • PyQt5 控件学习(一个一个学习之QProgressDialog)

    QProgressDialog继承图:

    QProgressDialog描述:

    QProgressDialog继承:

    它继承自 QDialog  

    QProgressDialog功能作用:

    QProgressDialog功能作用之构造函数:

    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            progressDialog = QProgressDialog(self)
            #它会自动的弹出  如果在4s 内进度条已经走完了,那么它就不会弹出了
    
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code

    多个参数的构造函数:

    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            # progressDialog = QProgressDialog(self)
            progressDialog = QProgressDialog("xx1","xx2",1,1000,self)
    
    
            progressDialog.setAutoClose(False)
            progressDialog.setAutoReset(False)
    
            # progressDialog.setMinimumDuration(0)
    
            progressDialog.setValue(50)  #4s 后会被显示
    
            for i in range(1,101):
                progressDialog.setValue(i) #4s 后不会被显示
    
    
            progressDialog.open(lambda :print("对话框被取消"))
    
    
    
    
    
    
    
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code

    QProgressDialog功能作用之弹出设置:

    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            progressDialog = QProgressDialog(self)
            #它会自动的弹出  如果在4s 内进度条已经走完了,那么它就不会弹出了
    
            # #这个时间是可以修改的。
            # progressDialog.setMinimumDuration(0)
    
            progressDialog.setValue(50)  #4s 后会被显示
    
            for i in range(1,101):
                progressDialog.setValue(i) #4s 后不会被显示
    
    
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code
    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            progressDialog = QProgressDialog(self)
            #
    
            progressDialog.setAutoClose(False)
            progressDialog.setAutoReset(False)
    
            # progressDialog.setMinimumDuration(0)
    
            progressDialog.setValue(50)  #4s 后会被显示
    
            for i in range(1,101):
                progressDialog.setValue(i) #4s 后不会被显示
            
            #
            progressDialog.open(lambda :print("对话框被取消"))
    
    
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code

    QProgressDialog功能作用之界面内容设置:

    QProgressDialog功能作用之数据处理:

    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            progressDialog = QProgressDialog(self)
    
            progressDialog.setWindowTitle("HaHa")
            progressDialog.setLabelText("下载进度")
            progressDialog.setCancelButtonText("取消")
    
            progressDialog.setRange(0,500)
    
            progressDialog.setValue(490)
            progressDialog.open()
    
            def timeout_slot():
                print(progressDialog.value())
                if progressDialog.value()+1>= progressDialog.maximum() or progressDialog.wasCanceled():
                    timer.stop()
                progressDialog.setValue(progressDialog.value()+1)
                #自动关闭的三个条件:达到最大值,二,自动重置为true  三,可以自动关闭
    
            timer = QTimer(progressDialog)
            timer.timeout.connect(timeout_slot)
            timer.start(1000)
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code

    QProgressDialog功能作用之是否取消:

    QProgressDialog功能作用之自动操作:

     

     

    QProgressDialog信号:

    from PyQt5.Qt import * #刚开始学习可以这样一下导入
    import sys
    
    class Window(QWidget):
        def __init__(self):
            super().__init__()
            self.setWindowTitle("QProgressDialog的学习")
            self.resize(400,400)
            self.set_ui()
    
    
        def set_ui(self):
            progressDialog = QProgressDialog(self)
    
            progressDialog.setWindowTitle("HaHa")
            progressDialog.setLabelText("下载进度")
            progressDialog.setCancelButtonText("取消")
    
            progressDialog.setRange(0,500)
    
            progressDialog.setValue(490)
            progressDialog.open()
    
            #信号
            progressDialog.canceled.connect(lambda :print("被取消"))
    
    
    if __name__ == '__main__':
        app =QApplication(sys.argv)
    
        window = Window()
        window.show()
    
        sys.exit(app.exec_())
    View Code

    总结:

    下面是QMessageBox :https://www.cnblogs.com/zach0812/p/11398808.html

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  • 原文地址:https://www.cnblogs.com/zach0812/p/11398795.html
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