查找包含值的单元格的索引并突出显示QTableView中的所有单元格

from PyQt5.QtWidgets import QApplication, QMainWindow, QTableView, QVBoxLayout, QWidget
from PyQt5.QtGui import QStandardItemModel, QStandardItem
from PyQt5.QtCore import Qt

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()

        # 创建QTableView和模型对象
        self.table_view = QTableView()
        self.model = QStandardItemModel()

        # 设置模型对象
        self.table_view.setModel(self.model)

        # 添加数据到模型对象
        self.model.setItem(0, 0, QStandardItem("Apple"))
        self.model.setItem(0, 1, QStandardItem("Banana"))
        self.model.setItem(1, 0, QStandardItem("Orange"))
        self.model.setItem(1, 1, QStandardItem("Apple Banana"))

        # 设置窗口布局
        layout = QVBoxLayout()
        layout.addWidget(self.table_view)
        central_widget = QWidget()
        central_widget.setLayout(layout)
        self.setCentralWidget(central_widget)

        # 查找并突出显示包含特定值的单元格
        self.highlight_cells("Apple")

    def highlight_cells(self, target_value):
        for row in range(self.model.rowCount()):
            for column in range(self.model.columnCount()):
                index = self.model.index(row, column)
                cell_data = self.model.data(index, Qt.DisplayRole)
                if target_value in cell_data:
                    self.table_view.setStyleSheet(f"QTableView::item {{ background-color: yellow; }}")
                    break

if __name__ == "__main__":
    app = QApplication([])
    window = MainWindow()
    window.show()
    app.exec_()