chen__cheng的博客

思路：主线程创建UI，将主线程的UI槽函数传给子线程，当子线程工作完成之后，发出信号，通知主线程的UI槽函数 代码： import sys from PyQt5.QtCore import * from PyQt5.QtWidgets import * import time # 为窗口类添加信号 class BackendThread(QThread): update_date = pyqtSignal(str) def run(self): while True:

出错详情： QObject: Cannot create children for a parent that is in a different thread. (Parent is QNetworkAccessManager(0x2db2d8f1880), parent’s thread is QThread(0x2db2cb760a0), current thread is QThread(0x2db2da2a4e0) 原因：主线程UI界面的成员传入到了非主线程中，这导致了跨线程。 python3