pyqt制作电子钟表

￡神魔★判官ぃ 2022-09-08 00:28 114阅读 0赞

pyqt制作电子钟表

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_16_color_FFFFFF_t_70_g_se_x_16][]

[https://github.com/n0bel/PiClock][https_github.com_n0bel_PiClock]

自定义表盘背景：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_18_color_FFFFFF_t_70_g_se_x_16][]

效果图：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_19_color_FFFFFF_t_70_g_se_x_16][]

code：

from PyQt5.QtCore import *
    from PyQt5.QtGui import *
    from PyQt5.QtWidgets import *
    
    
    class clockForm(QWidget):
        def __init__(self, parent=None):
            super(clockForm, self).__init__(parent)
            self.setWindowTitle("Clock")
            self.timer = QTimer()
            # 设置窗口计时器
    
            window_pale = QPalette()
            window_pale.setBrush(self.backgroundRole(), QBrush(QPixmap("clock.png")))
            self.setPalette(window_pale)
    
            self.timer.timeout.connect(self.update)
            self.timer.start(1000)
    
        def paintEvent(self, event):
            painter = QPainter(self)
            painter.setRenderHint(QPainter.Antialiasing)
    
            # 设置表盘中的文字字体
            font = QFont("Times", 6)
            fm = QFontMetrics(font)
            fontRect = fm.boundingRect("99")  # 获取绘制字体的矩形范围
    
            # 分针坐标点
            minPoints = [QPointF(50, 25), QPointF(48, 50), QPointF(52, 50)]
    
            # 时钟坐标点
            hourPoints = [QPointF(50, 35), QPointF(48, 50), QPointF(52, 50)]
    
            side = min(self.width(), self.height())
            painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2, side, side)  # 始终处于窗口中心位置显示
    
            # 设置QPainter的坐标系统，无论窗体大小如何变化，
            # 窗体左上坐标为(0,0),右下坐标为(100,100),
            # 因此窗体中心坐标为(50,50)
            painter.setWindow(0, 0, 100, 100)
    
            transform = QTransform()
    
    
            # transform.reset()
    
            # 获取当前时间
            currentTime = QTime().currentTime()
            hour = currentTime.hour() if currentTime.hour() < 12 else currentTime.hour() - 12
            minite = currentTime.minute()
            second = currentTime.second()
    
            # 获取所需旋转角度
            hour_angle = hour * 30.0 + (minite / 60.0) * 30.0
            minite_angle = (minite / 60.0) * 360.0
            second_angle = second * 6.0
    
            # 时针
            transform.translate(50, 50)
            transform.rotate(hour_angle)
            transform.translate(-50, -50)
            painter.setWorldTransform(transform)
            painter.setPen(Qt.NoPen)
            painter.setBrush(QBrush(Qt.darkRed))
            painter.drawPolygon(QPolygonF(hourPoints))
    
            transform.reset()
    
            # 分针
            transform.translate(50, 50)
            transform.rotate(minite_angle)
            transform.translate(-50, -50)
            painter.setWorldTransform(transform)
            painter.setBrush(QBrush(Qt.darkGreen))
            painter.drawPolygon(QPolygonF(minPoints))
    
            transform.reset()
            # 秒针
            transform.translate(50, 50)
            transform.rotate(second_angle)
            transform.translate(-50, -50)
            painter.setWorldTransform(transform)
            painter.setPen(QPen(Qt.darkCyan, 1))
            painter.drawLine(50, 50, 50, 20)
    
    
    if __name__ == "__main__":
        import sys
    
        app = QApplication(sys.argv)
        form = clockForm()
        form.show()
        app.exec_()

绘制表盘，效果图：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_19_color_FFFFFF_t_70_g_se_x_16 1][]

'''
    Created on 2013-7-2
    @author: badboy
    Email:lucky.haiyu@gmail.com
    QQ:43831266
    '''
    from PyQt5.QtCore import *
    from PyQt5.QtGui import *
    from PyQt5.QtWidgets import *
     
    class clockForm(QWidget):
        def __init__(self,parent=None):
            super(clockForm,self).__init__(parent)
            self.setWindowTitle("Clock")
            self.timer=QTimer()
            #设置窗口计时器
            self.timer.timeout.connect(self.update)
            self.timer.start(1000)
             
        def paintEvent(self,event):
            painter=QPainter(self)
            painter.setRenderHint(QPainter.Antialiasing)
             
            #设置表盘中的文字字体
            font=QFont("Times",6)
            fm=QFontMetrics(font)
            fontRect=fm.boundingRect("99")#获取绘制字体的矩形范围
             
            #分针坐标点
            minPoints=[QPointF(50,25),
                       QPointF(48,50),
                       QPointF(52,50)]
             
            #时钟坐标点
            hourPoints=[QPointF(50,35),
                       QPointF(48,50),
                       QPointF(52,50)]
             
            side=min(self.width(),self.height())
            painter.setViewport((self.width()-side)/2,(self.height()-side)/2,
                                side,side)#始终处于窗口中心位置显示
             
             
            #设置QPainter的坐标系统，无论窗体大小如何变化，
            #窗体左上坐标为(0,0),右下坐标为(100,100),
            #因此窗体中心坐标为(50,50)
            painter.setWindow(0,0,100,100)
             
            #绘制表盘，使用环形渐变色
            niceBlue=QColor(150,150,200)
            haloGrident=QRadialGradient(50,50,50,50,50)
            haloGrident.setColorAt(0.0,Qt.lightGray)
            haloGrident.setColorAt(0.5,Qt.darkGray)
            haloGrident.setColorAt(0.9,Qt.white)
            haloGrident.setColorAt(1.0,niceBlue)
            painter.setBrush(haloGrident)
            painter.setPen(QPen(Qt.darkGray,1))
            painter.drawEllipse(0,0,100,100)
             
             
            transform=QTransform()
             
            #绘制时钟为0的字，以及刻度
            painter.setPen(QPen(Qt.black,1.5))
            fontRect.moveCenter(QPoint(50,10+fontRect.height()/2))
            painter.setFont(font)
            painter.drawLine(50,2,50,8)#
            painter.drawText(QRectF(fontRect),Qt.AlignHCenter|Qt.AlignTop,"0")
             
            for i in range(1,12):
                transform.translate(50, 50)
                transform.rotate(30)
                transform.translate(-50,-50)
                painter.setWorldTransform(transform)
                painter.drawLine(50,2,50,8)
                painter.drawText(QRectF(fontRect),Qt.AlignHCenter|Qt.AlignTop,"%d" % i)
             
            transform.reset()
             
            #绘制分钟刻度线
            painter.setPen(QPen(Qt.blue,1))
            for i in range(1,60): 
                transform.translate(50,50)
                transform.rotate(6)
                transform.translate(-50,-50)
                if i%5!=0:
                    painter.setWorldTransform(transform)
                    painter.drawLine(50,2,50,5)
                     
                     
            transform.reset()
             
            #获取当前时间
            currentTime=QTime().currentTime()
            hour=currentTime.hour() if currentTime.hour()<12 else currentTime.hour()-12
            minite=currentTime.minute()
            second=currentTime.second()
             
            #获取所需旋转角度
            hour_angle=hour*30.0+(minite/60.0)*30.0
            minite_angle=(minite/60.0)*360.0
            second_angle=second*6.0
             
            #时针
            transform.translate(50,50)
            transform.rotate(hour_angle)
            transform.translate(-50,-50)
            painter.setWorldTransform(transform)
            painter.setPen(Qt.NoPen)
            painter.setBrush(QBrush(Qt.darkRed))
            painter.drawPolygon(QPolygonF(hourPoints))
             
            transform.reset()
             
            #分针
            transform.translate(50,50)
            transform.rotate(minite_angle)
            transform.translate(-50,-50)
            painter.setWorldTransform(transform)
            painter.setBrush(QBrush(Qt.darkGreen))
            painter.drawPolygon(QPolygonF(minPoints))
             
            transform.reset()
            #秒针
            transform.translate(50,50)
            transform.rotate(second_angle)
            transform.translate(-50,-50)
            painter.setWorldTransform(transform)
            painter.setPen(QPen(Qt.darkCyan,1))
            painter.drawLine(50,50,50,20)   
     
    if __name__=="__main__":
        import sys
        app=QApplication(sys.argv)
        form=clockForm()
        form.show()
        app.exec_()

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_16_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/a0854f7c293e4d928bee462aaba3a3f6.png
[https_github.com_n0bel_PiClock]: https://github.com/n0bel/PiClock
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_18_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/39e2488168e547f4883457e8f3d9db66.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_19_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/0f56aaf690034391ac481ba4837a3e03.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_Q1NETiBAQUnop4bop4nnvZHlpYc_size_19_color_FFFFFF_t_70_g_se_x_16 1]: /images/20220829/ed2f1065ad8d4d28a6c09e7bc5736ed3.png