Python tkinter在我调用pyautogui命令时不断崩溃
我最近一直在尝试让简单的程序与tkinter和pyautogui一起工作 一个没有tkinter的单独按钮可以很好地工作,但是当我决定开始用GUI将它们制作成tkinter时,它一直崩溃,我认为发生这种情况的原因是,即使我键入了Python tkinter在我调用pyautogui命令时不断崩溃,python,tkinter,pyautogui,Python,Tkinter,Pyautogui,我最近一直在尝试让简单的程序与tkinter和pyautogui一起工作 一个没有tkinter的单独按钮可以很好地工作,但是当我决定开始用GUI将它们制作成tkinter时,它一直崩溃,我认为发生这种情况的原因是,即使我键入了root.update(),按钮也一直被按下,但它似乎不再被按下,而是被按下并执行命令 没有tkinter的代码可以工作: import pyautogui,time time.sleep(5) f = open("mytext.txt", 'r')
root.update()
,按钮也一直被按下,但它似乎不再被按下,而是被按下并执行命令
没有tkinter的代码可以工作:
import pyautogui,time
time.sleep(5)
f = open("mytext.txt", 'r')
time.sleep(5)
for word in f:
pyautogui.typewrite(word)
使用tkinter:
import tkinter as tk
import pyautogui,time
root = tk.Tk()
def stop_writing():
global btn
btn.config(command = None)
def write():
root.update()
time.sleep(5)
f = open("mytext.txt", 'r')
for word in f:
pyautogui.typewrite(word)
pyautogui.mainloop()
btn = tk.Button(root, text = "start writing" , command = write)
btn.pack()
btn_disable = tk.Button(root, text = "stop writing" ,command = stop_writing)
btn_disable.pack()
root.mainloop()
有没有办法阻止它崩溃?阻止Tkinter崩溃的唯一方法是不要在主线程中使用
time.sleep
我建议您为pyautogui.typewrite
创建一个单独的线程。另外,请注意,您不应该从不同的线程更新Tkinter组件,因为Tkinter不是线程安全的
我将展示如何使用多线程实现这一点
import tkinter as tk
import pyautogui,time, threading
def stop_writing():
global _stop, thread
if thread:
_stop = True
thread.join()
def write():
time.sleep(2)
with open(r"file.txt", 'r') as f:
content = f.read()
for word in content:
if _stop:
return
pyautogui.typewrite(word)
def start():
global thread, _stop
if thread and thread.is_alive():
stop_writing()
thread = None
thread = threading.Thread(target=write)
thread.daemon = True
_stop = False
thread.start()
root = tk.Tk()
root.attributes('-topmost', True)
root.protocol("WM_DELETE_WINDOW", lambda: [stop_writing(), root.destroy()])
_stop = False
thread = None
btn = tk.Button(root, text = "start writing" , command = start)
btn.pack()
btn_disable = tk.Button(root, text = "stop writing" ,command = stop_writing)
btn_disable.pack()
text = tk.Text(root)
text.pack()
root.mainloop()
您还可以使用root.after
并在几秒钟后调用write函数
一些小错误: