写在前面：

考虑已经陆陆续续在平台写了几篇PyQt5开发的小工具，后续还会继续发布新的新工具，这些工具都基于一个基础结构往上构建，这个基础结构是本人自己开发的习惯，在这里把工具的基础结构代码抽取出来，后续要开发新的工具直接复制结构代码，然后就可以直接开发主体。

界面：

1 进度条，基础结构里会有一个线程，耗时的业务在线程中执行

2 主体界面， 在主体位置放置业务相关控件

代码：

import sys
from threading import Thread
from typing import Dict,Any
from PyQt5 import QtCore,QtWidgets,QtGui
from PyQt5.QtCore import Qt
import pyqtgraph as pg
pg.setConfigOption('background','w')
pg.setConfigOption('foreground','k')class BaseMainWidget(QtWidgets.QWidget):signal_excute = QtCore.pyqtSignal(object)def __init__(self):super().__init__()self.thread_caculate: Thread = Noneself.init_data()self.init_ui()self.register_event()self.progress_init()passdef init_data(self):passdef init_ui(self):self.setWindowTitle('PyQt5开发工具结构基础')self.setMinimumWidth(600)self.setMinimumHeight(400)self.caculate_progress = QtWidgets.QProgressBar()self.caculate_status_label = QtWidgets.QLabel()layout_progress = QtWidgets.QHBoxLayout()layout_progress.addWidget(self.caculate_progress)layout_progress.addWidget(self.caculate_status_label)temp_label = QtWidgets.QLabel('PyQt5开发工具结构基础\n这里放置业务内容')temp_label.setAlignment(Qt.AlignCenter)temp_label.setStyleSheet('QLabel{font-size:32px;font-weight:bold;}')layout_one = QtWidgets.QVBoxLayout()layout_one.addStretch(1)layout_one.addWidget(temp_label)layout_one.addStretch(1)layout = QtWidgets.QVBoxLayout()layout.addLayout(layout_progress)layout.addLayout(layout_one)self.setLayout(layout)passdef register_event(self):self.signal_excute.connect(self.process_excute_event)passdef process_excute_event(self,data:Dict):passdef start_caculate_thread(self,mark_str:str,data:Dict[str,Any]):if self.thread_caculate:QtWidgets.QMessageBox.information(self,'提示','线程正在执行任务，请稍后。。。',QtWidgets.QMessageBox.Yes)returnself.thread_caculate = Thread(target=self.running_caculate_thread,args=(mark_str, data,))self.thread_caculate.start()self.progress_busy()passdef running_caculate_thread(self,mark_str:str,data:Dict[str,Any]):passdef progress_init(self) -> None:self.caculate_progress.setValue(0)self.caculate_status_label.setText('无任务')def progress_busy(self) -> None:self.caculate_progress.setRange(0, 0)self.caculate_status_label.setText('正在执行')def progress_finished(self) -> None:self.caculate_progress.setRange(0, 100)self.caculate_progress.setValue(100)self.caculate_status_label.setText('执行完毕')passdef closeEvent(self, a0: QtGui.QCloseEvent) -> None:self.close()passif __name__ == '__main__':QtCore.QCoreApplication.setAttribute(QtCore.Qt.HighDpiScaleFactorRoundingPolicy.PassThrough)app = QtWidgets.QApplication(sys.argv)main_window = BaseMainWidget()main_window.show()app.exec()pass