自定义CustomDelegate继承自QStyledItemDelegate,重写setModelData(self, editor, model, index)方法

 

 

    def setModelData(self, editor, model, index):
        #print("__________setModelData_________________")

        print(model.data(index)) ##新的值,但是未保存到model中.
        
        reply = QMessageBox.question(widget, "title",
                "contenr",
                QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
        if reply == QMessageBox.Yes:
            super(CustomDelegate, self).setModelData(editor, model, index)

        print(model.data(index)) ##新的值已经保存到model中

 

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