#!/usr/bin/env python # encoding: utf-8 ''' Created on 2017年4月20日 @author: weike32 @site: https://pyqt5.com , 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 QTreeWidget.testTree import Ui_Form 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_())