python - 如何在 Python 中的多个 while 语句之间切换

Question

我正在编写一个程序，我需要在不同的循环中切换。当我尝试切换回我崩溃的前一个循环时，这是可行的想法。

有什么建议吗？

附言以下是例子

例如函数 = 主页

(改变循环)

函数 = txtbox

(改变循环)

Function = Home(此处崩溃)

import pygame, sys, time, random
from pygame.locals import *
import math
import sys
import os
# set up pygame
pygame.init()




# set up the window
WINDOWWIDTH = 1200
WINDOWHEIGHT = 650
windowSurface = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT), 1, 32)
pygame.display.set_caption("Mango")


Function = "Home"

font = pygame.font.SysFont("Fonts", 30)

#colors
TEXTCOLOR = (255, 255, 255)
TEXTCOLORS = (255, 0, 0)


# run the game loop
while Function == "Home":
    # check for the QUIT event
    events = pygame.event.get()
    for event in events:
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        elif event.type == pygame.MOUSEBUTTONUP:
            Function = "txtbox"
            break


    pygame.display.flip()



while Function == "txtbox":

    events = pygame.event.get()
    # process other events
    for event in events:

          if event.type == pygame.MOUSEBUTTONUP:
            Function = "Home"
            break

    pygame.display.flip()

Answer 1

它不会崩溃。当 Function 在最后一个循环中设置为“Home”时，它就完成了执行。那个循环就结束了。

尝试将这两个 while 循环包含在另一个永远运行的 while 循环中。

while True:
    while Function == "Home":
        # check for the QUIT event
        events = pygame.event.get()
        for event in events:
            if event.type == QUIT:
                pygame.quit()
                sys.exit()
            elif event.type == pygame.MOUSEBUTTONUP:
                Function = "txtbox"
                break


        pygame.display.flip()



    while Function == "txtbox":

        events = pygame.event.get()
        # process other events
        for event in events:

              if event.type == pygame.MOUSEBUTTONUP:
                Function = "Home"
                break

        pygame.display.flip()