# -*- coding: utf-8 -*-

import time

import requests

from PySide6.QtCore import (QThread, Signal, Slot, QSize)
from PySide6.QtWidgets import (QApplication, QPushButton, QLabel, QVBoxLayout, QWidget)
class WorkerThread(QThread):
    # 定义一个信号，用于在线程中发送数据给主线程
    update_label = Signal(str)

    def run(self):
        while True:
            for i in range(5):
                time.sleep(2)  # 模拟耗时操作
                self.update_label.emit(f"{i + 1}")

class MyThread(QThread):
    signal_tuple = Signal(tuple)


    def run(self):
        while True:
            for idx in range(1, 10):
                time.sleep(2)
                # 任务完成后发出信号
                self.signal_tuple.emit((idx, ''))


class MainWindow(QWidget):

    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.setup_ui()
        #
        self.button.clicked.connect(self.setup_thread)

    def setup_ui(self):
        self.setWindowTitle('demo')
        self.resize(QSize(250, 180))
        # 创建一个垂直布局
        layout = QVBoxLayout()
        # 创建一个标签
        self.label = QLabel('This is a label => ')
        layout.addWidget(self.label)
        # 创建一个按钮
        self.button = QPushButton('Send Request')
        layout.addWidget(self.button)
        # 将布局设置为主窗口的布局
        self.setLayout(layout)
        # 显示窗口
        self.show()

    def setup_thread(self):
        self.thread_ = MyThread()
        self.thread_.signal_tuple.connect(self.thread_finished)
        self.thread_.start()

    def send_request(self):
        return requests.get('https://www.csdn.net/').text[:15]

    @Slot(tuple)
    def thread_finished(self, item):
        self.label.setText('This is a label => ' + str(item))


if __name__ == '__main__':
    app = QApplication([])
    window = MainWindow()
    window.show()
    app.exec()