| 34 | class Window(QWidget): |
| 35 | |
| 36 | def __init__(self, *args, **kwargs): |
| 37 | super(Window, self).__init__(*args, **kwargs) |
| 38 | layout = QVBoxLayout(self) |
| 39 | self.progressBar = QProgressBar(self) |
| 40 | self.progressBar.setRange(0, 100) |
| 41 | layout.addWidget(self.progressBar) |
| 42 | layout.addWidget(QPushButton('开启线程', self, clicked=self.onStart)) |
| 43 | |
| 44 | # 当前线程id |
| 45 | print('main id', QThread.currentThread()) |
| 46 | |
| 47 | # 启动线程更新进度条值 |
| 48 | self._thread = QThread(self) |
| 49 | self._worker = Worker() |
| 50 | self._worker.moveToThread(self._thread) # 移动到线程中执行 |
| 51 | self._thread.finished.connect(self._worker.deleteLater) |
| 52 | self._thread.started.connect(self._worker.run) |
| 53 | self._worker.valueChanged.connect(self.progressBar.setValue) |
| 54 | |
| 55 | def onStart(self): |
| 56 | if not self._thread.isRunning(): |