pyqt制作电子钟表

pyqt制作电子钟表

https://github.com/n0bel/PiClock

自定义表盘背景：

效果图：

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：

'''

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_()

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