64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
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import sys
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import time
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from PySide6.QtWidgets import QApplication, QMainWindow, QProgressBar, QVBoxLayout, QWidget, QPushButton
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from PySide6.QtCore import QThread, Signal
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class WorkerThread(QThread):
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progress_updated = Signal(int) # 进度更新信号
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finished = Signal() # 完成信号
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def run(self):
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# 模拟耗时操作
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for i in range(1, 101):
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time.sleep(0.05) # 模拟耗时操作
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self.progress_updated.emit(i) # 发射进度信号
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self.finished.emit()
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class MainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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self.setWindowTitle("独立进度条示例")
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self.setGeometry(100, 100, 400, 200)
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# 创建进度条
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self.progress_bar = QProgressBar()
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self.progress_bar.setRange(0, 100)
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# 创建开始按钮
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self.start_button = QPushButton("开始加载")
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self.start_button.clicked.connect(self.start_loading)
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# 设置布局
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layout = QVBoxLayout()
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layout.addWidget(self.progress_bar)
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layout.addWidget(self.start_button)
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container = QWidget()
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container.setLayout(layout)
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self.setCentralWidget(container)
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# 初始化工作线程
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self.worker_thread = WorkerThread()
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self.worker_thread.progress_updated.connect(self.update_progress)
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self.worker_thread.finished.connect(self.loading_finished)
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def start_loading(self):
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self.start_button.setEnabled(False)
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self.worker_thread.start()
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def update_progress(self, value):
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self.progress_bar.setValue(value)
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def loading_finished(self):
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self.start_button.setEnabled(True)
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# 这里可以添加加载完成后的操作
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if __name__ == "__main__":
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app = QApplication(sys.argv)
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window = MainWindow()
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window.show()
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sys.exit(app.exec())
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