def check_event (piece):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_DOWN:
# print ('按下向下键')
Piece.mov_down(piece)
elif event.key == pygame.K_UP:
print('按下向上键')
elif event.key == pygame.K_LEFT:
# print ('按下向左键')
Piece.mov_left(piece)
elif event.key == pygame.K_RIGHT:
# print ('按下向右键')
Piece.mov_right(piece)
