Python案例：按键测试

import pygame

class Message:
def __init__(self, screen, text):
self.screen = screen
self.text = text

def settext(self, text):
self.text = text

def gettext(self):
return self.text

def blit(self):
font = pygame.font.SysFont('宋体', 40)
self.surface = font.render(self.text, True, (0, 0, 255))
self.rect = self.surface.get_rect()
self.rect.left = 20
self.rect.top = 50
self.screen.blit(self.surface, self.rect)

import sys

import pygame

def check_events(message):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
message.settext('keychar: ' + chr(event.key) + ', keycode: ' + str(event.key))

def update_screen(screen, message):
screen.fill((230, 230, 230))
message.blit()
pygame.display.flip()

import pygame
from message import Message
import functions as func

def main():
pygame.init()
screen = pygame.display.set_mode((400, 300))
pygame.display.set_caption("按键测试")

message = Message(screen, 'Press a key...')

while True:
func.check_events(message)
func.update_screen(screen, message)

main()