通过tkinter中的按钮启动和停止线程中的重复任务

import tkinter as tk
from threading import Thread, Event
import time

class RepeatingTask(Thread):
    def __init__(self, stop_event):
        super().__init__()
        self.stop_event = stop_event

    def run(self):
        while not self.stop_event.is_set():
            print("任务正在运行...")
            time.sleep(1)  # 模拟耗时操作

class App:
    def __init__(self, root):
        self.root = root
        self.stop_event = Event()
        self.task_thread = None

        self.start_button = tk.Button(root, text="开始任务", command=self.start_task)
        self.start_button.pack()

        self.stop_button = tk.Button(root, text="停止任务", command=self.stop_task, state=tk.DISABLED)
        self.stop_button.pack()

    def start_task(self):
        self.stop_event.clear()
        self.task_thread = RepeatingTask(self.stop_event)
        self.task_thread.start()
        self.start_button.config(state=tk.DISABLED)
        self.stop_button.config(state=tk.NORMAL)

    def stop_task(self):
        self.stop_event.set()
        if self.task_thread:
            self.task_thread.join()  # 等待线程结束
        self.start_button.config(state=tk.NORMAL)
        self.stop_button.config(state=tk.DISABLED)

if __name__ == "__main__":
    root = tk.Tk()
    app = App(root)
    root.mainloop()