我用 PysimpleGUI 创建了一个具有多个按钮的 GUI，其目的是用户单击一个按钮并在第一个单击按钮的操作正在运行时继续处理其他任务，并且当单击按钮的操作完成时，然后执行绪退出（破坏当前执行绪），

代码抛出：RuntimeError：主执行绪不在主回圈中

有人可以帮我创建 _thread.start_new_thread 行程并合并到主回圈中，或者可能是避免 RuntimeError 的解决方案

对于我正在使用的执行绪：_thread

代码：

class Windows:

    def newOpenGraph(self, window, event, values):
        '''
        opens a new graph with no problem
        '''

    def newThread(self, window, event, values):

        isRunning = True
        if event == 'OPEN GRAPH':
            _thread.start_new_thread(self.newOpenGraph, (window, event, values ))
        isRunning = False

        while isRunning:
            schedule.run_pending()
            time.sleep(1)

    def mainLayout(self):
        '''
        layout frame work
        '''

        while True:

            event, values = window.read()
            if event == 'OPEN GRAPH':
                # self.newOpenGraph(window, event, values)
                self.newThread(window, event, values)

图片：

uj5u.com热心网友回复：

schedule在您的执行绪中使用库，而不是在主回圈中，您的执行绪中也没有 GUI 更新。

也许像这样的代码，

import time
import _thread
import schedule
import PySimpleGUI as sg

def func(window):
    global i
    window.write_event_value('Update', i)
    i  = 1

def new_thread(window, event, values):
    global running
    schedule.every().second.do(func, window=window)
    running = True
    while running:
        schedule.run_pending()
        time.sleep(0.1)

layout = [
    [sg.Button("New"), sg.Button('Exit')],
    [sg.Text('', size=40, key='STATUS')],
]

window = sg.Window("Multithread", layout, finalize=True)
i = 0
threads = []
while True:

    event, values = window.read(timeout=100)

    if event in (sg.WIN_CLOSED, 'Exit'):
        running = False
        break
    elif event == 'New':
        _thread.start_new_thread(new_thread, (window, event, values))
    elif event == 'Update':
        window['STATUS'].update(f'Index {values[event]}')

window.close()