Python Tkinter模块实现时钟功能应用示例_Python

Python Tkinter模块实现时钟功能应用示例

2021-03-20 00:09wanlifeipeng Python

这篇文章主要介绍了Python Tkinter模块实现时钟功能,结合实例形式分析了Tkinter模块结合time模块实现的时钟图形绘制与计时功能相关操作技巧,需要的朋友可以参考下

本文实例讲述了Python Tkinter模块实现时钟功能。分享给大家供大家参考，具体如下：

本机测试效果:

Python Tkinter模块实现时钟功能应用示例

完整代码:

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									# coding=utf-8

									from Tkinter import *

									import _tkinter

									import math

									import time

									from threading import Thread

									class Clock:

									  def __init__(self, master, x, y, width, height, radius):

									    '''

									    :param master: 父窗口

									    :param x: 时钟中心点的x坐标

									    :param y: 时钟中心点的y坐标

									    :param width: 画布的宽度

									    :param height: 画布的高度

									    :param radius: 时钟钟盘的半径

									    '''

									    self.centerX = x

									    self.centerY = y

									    self.radius = radius

									    self.canvas = Canvas(master, width=width, height=height) # 画布

									    self.canvas.pack()

									    self.canvas.create_oval(

									      x - radius,

									      y - radius,

									      x + radius,

									      y + radius) # 画钟框

									    self.id_lists = []

									    self.hourHandRadius = self.radius * 1.0 / 4  # 指针长度

									    self.minHandRadius = self.radius * 2.0 / 3  # 分针长度

									    self.secHandRadius = self.radius * 4.0 / 5  # 秒针长度

									    self.timeVar = StringVar()

									    # self.timeVar.set('')

									    self.timeLabel = Label(self.canvas.master, textvariable=self.timeVar)

									    self.timeLabel.pack(side=BOTTOM)

									    #self.canvas.master.protocol('WM_DELETE_WINDOW', self.canvas.master.destroy)

									  def __del__(self):

									    self._deleteItems(self.id_lists)

									  # 绘制时钟钟盘

									  def drawClockDial(self):

									    # 绘制钟盘上的数字1-12

									    r = self.radius - 15

									    for i in range(1, 13):

									      rad = 2 * math.pi / 12 * i

									      x = self.centerX + math.sin(rad) * r

									      y = self.centerY - math.cos(rad) * r

									      id = self.canvas.create_text(x, y, text=str(i))

									      self.id_lists.append(id)

									    # 绘制钟盘上的刻度

									    r1 = self.radius - 5

									    r2 = self.radius

									    for i in range(1, 61):

									      rad = 2 * math.pi / 60 * i

									      x1, y1 = self._getPosByRadAndRadius(rad, r1)

									      x2, y2 = self._getPosByRadAndRadius(rad, r2)

									      id = self.canvas.create_line(x1, y1, x2, y2)

									      self.id_lists.append(id)

									  # 显示时间

									  def showTime(self, tm):

									    hour = tm.tm_hour % 12

									    min = tm.tm_min

									    sec = tm.tm_sec

									    sec_rad = 2 * math.pi / 60 * sec

									    min_rad = 2 * math.pi / 60 * (min + sec / 60.0)

									    hour_rad = 2 * math.pi / 12 * (hour + min / 60.0)

									    timeStr = '当前时间: %d-%02d-%02d %02d:%02d:%02d' % (

									      tm.tm_year, tm.tm_mon, tm.tm_mday, hour, min, sec)

									    self.timeVar.set(timeStr)

									    hour_id = self._drawLine(hour_rad, self.hourHandRadius, 6)

									    min_id = self._drawLine(min_rad, self.minHandRadius, 4)

									    sec_id = self._drawLine(sec_rad, self.secHandRadius, 3)

									    return (hour_id, min_id, sec_id)

									  def run(self):

									    def _run():

									      while True:

									        tm = time.localtime()

									        id_lists = self.showTime(tm)

									        self.canvas.master.update()

									        time.sleep(1)

									        self._deleteItems(id_lists)

									    thrd = Thread(target=_run) # 创建新的线程

									    thrd.run() # 启动线程

									  def _drawLine(self, rad, radius, width):

									    x, y = self._getPosByRadAndRadius(rad, radius)

									    id = self.canvas.create_line(

									      self.centerX, self.centerY, x, y, width=width)

									    return id

									  def _getPosByRadAndRadius(self, rad, radius):

									    x = self.centerX + radius * math.sin(rad)

									    y = self.centerY - radius * math.cos(rad)

									    return (x, y)

									  def _deleteItems(self, id_lists):

									    for id in id_lists:

									      try:

									        self.canvas.delete(id)

									      except BaseException:

									        pass

									if __name__ == '__main__':

									  root = Tk()

									  root.title('www.zzvips.com 时钟')

									  clock = Clock(root, 200, 200, 400, 400, 150)

									  clock.drawClockDial()

									  clock.run()

									  root.mainloop()