Pyside2 :使用属性更新QML TableView模型

from PySide2.QtCore import QAbstractTableModel, Qt, QVariant
from PySide2.QtGui import QGuiApplication
from PySide2.QtQml import QQmlApplicationEngine

class MyModel(QAbstractTableModel):
    def __init__(self, data):
        super().__init__()
        self._data = data

    def rowCount(self, parent=None):
        return len(self._data)

    def columnCount(self, parent=None):
        return len(self._data[0]) if self._data else 0

    def data(self, index, role=Qt.DisplayRole):
        if role == Qt.DisplayRole:
            return str(self._data[index.row()][index.column()])
        return QVariant()

    def setData(self, index, value, role=Qt.EditRole):
        if role == Qt.EditRole:
            self._data[index.row()][index.column()] = value
            self.dataChanged.emit(index, index, [Qt.DisplayRole])
            return True
        return False

    def flags(self, index):
        return Qt.ItemIsEditable | Qt.ItemIsEnabled | Qt.ItemIsSelectable

app = QGuiApplication([])

data = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9]
]

model = MyModel(data)

engine = QQmlApplicationEngine()
engine.rootContext().setContextProperty("myModel", model)
engine.load("main.qml")

if not engine.rootObjects():
    sys.exit(-1)

sys.exit(app.exec_())

import QtQuick 2.15
import QtQuick.Controls 2.15

ApplicationWindow {
    visible: true
    width: 640
    height: 480
    title: qsTr("TableView Example")

    TableView {
        anchors.fill: parent
        model: myModel
        delegate: Rectangle {
            Text {
                text: display
                anchors.centerIn: parent
            }
        }
    }
}

def setData(self, index, value, role=Qt.EditRole):
    if role == Qt.EditRole:
        self._data[index.row()][index.column()] = value
        self.dataChanged.emit(index, index, [Qt.DisplayRole])  # 确保发出信号
        return True
    return False

TableView {
    model: myModel  // 确保这里正确引用了模型
}