代码如下
import sys
from math import pi, sin, cos
from PySide6.QtCore import Qt, QTimer, QTime, QPointF, QRect
from PySide6.QtGui import QPainter, QPolygonF, QColor, QRadialGradient, QFont
from PySide6.QtWidgets import QApplication, QWidget,QMainWindow,QVBoxLayoutclass AnalogClock(QWidget):def __init__(self, parent=None):super().__init__(parent)self.setWindowTitle("PySide6 时钟")self.setMinimumSize(30, 30)#self.clock = QWidget()# 设置窗口背景透明self.setAttribute(Qt.WA_TranslucentBackground)self.setStyleSheet("background: transparent;")# 初始化定时器self.timer = QTimer(self)self.timer.timeout.connect(self.update)self.timer.start(1000) # 每秒更新一次def paintEvent(self, event):painter = QPainter(self)painter.setRenderHint(QPainter.Antialiasing)# 计算尺寸参数side = min(self.width(), self.height())center = self.rect().center()radius = (side - 20) / 2# 绘制渐变背景gradient = QRadialGradient(center, radius, center)gradient.setColorAt(0, QColor(240, 240, 240))gradient.setColorAt(1, QColor(180, 180, 180))painter.setBrush(gradient)painter.drawEllipse(center, radius, radius)# 绘制外框painter.setPen(QColor(80, 80, 80))painter.drawEllipse(center, radius, radius)painter.drawEllipse(center, radius-5, radius-5)# 移动到中心点并旋转坐标系painter.translate(center)painter.rotate(-90) # 0度从顶部开始# 绘制小时刻度painter.setPen(QColor(60, 60, 60))for i in range(12):painter.rotate(30)painter.drawLine(int(radius*0.85), 0, int(radius*0.95), 0)# 绘制分钟刻度painter.setPen(QColor(100, 100, 100))for i in range(90):if i % 5 != 0: # 跳过小时刻度painter.rotate(6)painter.drawLine(int(radius*0.9), 0, int(radius*0.95), 0)# 获取当前时间time = QTime.currentTime()hour = time.hour() % 12minute = time.minute()second = time.second()painter.rotate(30)# 绘制小时数字painter.setPen(QColor(40, 40, 40))font = QFont("Arial", int(radius/8), QFont.Bold)painter.setFont(font)for i in range(12):angle = i * 30 + 180 + 75 # 每小时30度x = radius * 0.75 * cos(angle * pi / 180)y = radius * 0.75 * sin(angle * pi / 180)painter.drawText(int(x - 10), int(y - 10), 36, 36,Qt.AlignCenter, str(12 if i == 0 else i))# 重置坐标系painter.resetTransform()painter.translate(center)painter.rotate(-90)# 绘制时针hour_angle = (hour + minute/60) * 30painter.setPen(Qt.NoPen)painter.setBrush(QColor(50, 50, 50))painter.save()painter.rotate(hour_angle)hour_hand = QPolygonF([QPointF(-0.02*radius, -0.02*radius),QPointF(0.02*radius, -0.02*radius),QPointF(0.05*radius, radius*0.5),])painter.drawConvexPolygon(hour_hand)painter.restore()# 绘制分针minute_angle = (minute + second/60) * 6painter.setBrush(QColor(80, 80, 80))painter.save()painter.rotate(minute_angle)minute_hand = QPolygonF([QPointF(-0.015*radius, -0.015*radius),QPointF(0.015*radius, -0.015*radius),QPointF(0.03*radius, radius*0.7),])painter.drawConvexPolygon(minute_hand)painter.restore()# 绘制秒针second_angle = second * 6painter.setPen(QColor(200, 50, 50))painter.setBrush(QColor(200, 50, 50))painter.save()painter.rotate(second_angle)painter.drawLine(0, 0, 0, -radius*0.8)painter.restore()# 绘制中心点painter.setPen(Qt.NoPen)painter.setBrush(QColor(200, 50, 50))painter.drawEllipse(QPointF(0, 0), 5, 5)# 主窗口class MainWindow(QWidget):def __init__(self):super().__init__()self.setWindowTitle("嵌入式绘图示例")# 计算中心坐标btn_width = 300btn_height = 300x = (self.width() - btn_width) // 2 # 水平居中y = self.height() * 0.75 # 垂直位置在75%处self.layout = QVBoxLayout()self.clock = AnalogClock(self)self.clock.setGeometry(x, y, btn_width, btn_height)self.clock.show()if __name__ == "__main__":app = QApplication(sys.argv)window = MainWindow()window.show()sys.exit(app.exec())
结果如下：
