74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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import time
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import requests
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from PySide6.QtCore import (QThread, Signal, Slot, QSize)
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from PySide6.QtWidgets import (QApplication, QPushButton, QLabel, QVBoxLayout, QWidget)
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class WorkerThread(QThread):
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# 定义一个信号，用于在线程中发送数据给主线程
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update_label = Signal(str)
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def run(self):
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while True:
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for i in range(5):
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time.sleep(2) # 模拟耗时操作
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self.update_label.emit(f"{i + 1}")
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class MyThread(QThread):
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signal_tuple = Signal(tuple)
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def run(self):
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while True:
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for idx in range(1, 10):
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time.sleep(2)
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# 任务完成后发出信号
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self.signal_tuple.emit((idx, ''))
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class MainWindow(QWidget):
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def __init__(self, parent=None):
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super().__init__(parent=parent)
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self.setup_ui()
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#
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self.button.clicked.connect(self.setup_thread)
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def setup_ui(self):
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self.setWindowTitle('demo')
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self.resize(QSize(250, 180))
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# 创建一个垂直布局
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layout = QVBoxLayout()
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# 创建一个标签
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self.label = QLabel('This is a label => ')
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layout.addWidget(self.label)
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# 创建一个按钮
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self.button = QPushButton('Send Request')
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layout.addWidget(self.button)
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# 将布局设置为主窗口的布局
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self.setLayout(layout)
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# 显示窗口
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self.show()
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def setup_thread(self):
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self.thread_ = MyThread()
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self.thread_.signal_tuple.connect(self.thread_finished)
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self.thread_.start()
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def send_request(self):
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return requests.get('https://www.csdn.net/').text[:15]
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@Slot(tuple)
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def thread_finished(self, item):
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self.label.setText('This is a label => ' + str(item))
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if __name__ == '__main__':
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app = QApplication([])
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window = MainWindow()
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window.show()
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app.exec()
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