要求：获取系统时间，然后显示出时钟
实现效果
在PyCharm实现代码：
import sys, random, math, pygame
from pygame.locals import *
from datetime import datetime, date, time
# 定义打印字体的函数
def print_text(font, x, y, text, color=(255, 255, 255)):
imgText = font.render(text, True, color)
screen.blit(imgText, (x, y))
pygame.init()
screen = pygame.display.set_mode((600, 500))
pygame.display.set_caption("Analog Clock Demo")
font = pygame.font.Font(None, 36)
# 定义颜色的RGB值
orange = 220, 180, 0
white = 255, 255, 255
yellow = 255, 255, 0
pink = 255, 100, 100
# 定义中心点的x和y的坐标
pos_x = 300
pos_y = 250
# 圆的半径
radius = 250
while True:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
keys = pygame.key.get_pressed()
if keys[K_ESCAPE]:
sys.exit()
screen.fill((0, 0, 100))
# 绘制时钟的外圈圆
pygame.draw.circle(screen, white, (pos_x, pos_y), radius, 6)
# 绘制时钟数字1-12
for n in range(1, 13):
# 将角度转换为弧度
angle = math.radians(n * (360/12) - 90)
# 数字要绘制在圆圈内，所以radius半径要缩小，然后根据x,y位置微调-10
x = math.cos(angle) * (radius-20)-10
y = math.sin(angle) * (radius-20)-10
# 调用函数print_text打印出时钟1-12的数字
print_text(font, pos_x+x, pos_y+y, str(n))
# 获取系统当前日期,小时,分钟,秒钟
today = datetime.today()
hours = today.hour % 12
minutes = today.minute
seconds = today.second
# 绘制小时线条
# 计算角度值
hour_angle = hours * (360 / 12) - 90
# 将角度转换为弧度
hour_angle = math.radians(hour_angle)
# math.cos和math.sin需要以弧度作为其参数
hour_x = math.cos(hour_angle) * (radius-100)
hour_y = math.sin(hour_angle) * (radius-100)
target = (pos_x + hour_x, pos_y + hour_y)
pygame.draw.line(screen, pink, (pos_x, pos_y), target, 20)
# 绘制分钟线条
min_angle = minutes * (360 / 60) - 90
min_angle = math.radians(min_angle)
min_x = math.cos(min_angle) * (radius - 60)
min_y = math.sin(min_angle) * (radius - 60)
target = (pos_x + min_x, pos_y + min_y)
pygame.draw.line(screen, orange, (pos_x, pos_y), target, 12)
# 绘制秒钟线条
sec_angle = seconds * (360 / 60) - 90
sec_angle = math.radians(sec_angle)
sec_x = math.cos(sec_angle) * (radius - 40)
sec_y = math.sin(sec_angle) * (radius - 40)
target = (pos_x + sec_x, pos_y + sec_y)
pygame.draw.line(screen, yellow, (pos_x, pos_y), target, 6)
# 表的中心点
pygame.draw.circle(screen, white, (pos_x, pos_y), 20)
# 左上角的时间显示
print_text(font, 0, 0, str(hours) + ":" + str(minutes) + ":" + str(seconds))
pygame.display.update()
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