#!/usr/bin/env python # encoding: utf-8 """ Created on 2017年4月20日 @author: weike32 @site: https://pyqt.site , https://github.com/weike32 @email: 394967319@qq.com @file: CopyContent @description: """ import sys from PyQt5.QtCore import Qt from PyQt5.QtWidgets import QDialog, QApplication from Lib.testTree import Ui_Form # @UnresolvedImport class graphAnalysis(QDialog, Ui_Form): def __init__(self): super(graphAnalysis, self).__init__() self.setupUi(self) # 点击父节点 self.treeWidget.itemChanged.connect(self.handleChanged) def handleChanged(self, item, column): count = item.childCount() if item.checkState(column) == Qt.Checked: for index in range(count): item.child(index).setCheckState(0, Qt.Checked) if item.checkState(column) == Qt.Unchecked: for index in range(count): item.child(index).setCheckState(0, Qt.Unchecked) if __name__ == "__main__": app = QApplication(sys.argv) w = graphAnalysis() w.show() sys.exit(app.exec_())