pyqt5多线程

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QPushButton, QVBoxLayout, QWidget
from PyQt5.QtCore import QThread, pyqtSignal

class WorkerThread(QThread):
    progress = pyqtSignal(int)

    def run(self):
        for i in range(101):
            self.progress.emit(i)
            self.msleep(100)  # 模拟耗时操作

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PyQt5 多线程示例")
        self.setGeometry(100, 100, 300, 200)

        self.button = QPushButton("开始任务")
        self.button.clicked.connect(self.start_task)

        layout = QVBoxLayout()
        layout.addWidget(self.button)

        container = QWidget()
        container.setLayout(layout)
        self.setCentralWidget(container)

        self.worker_thread = WorkerThread()
        self.worker_thread.progress.connect(self.update_progress)

    def start_task(self):
        self.button.setEnabled(False)
        self.worker_thread.start()

    def update_progress(self, value):
        print(f"进度: {value}%")
        if value == 100:
            self.button.setEnabled(True)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())