Method __init__

QTreeWidget/testTreeWidget.py:20–24

(self)

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()