org.jdesktop.swingbinding.JTableBinding $ BindingTableModel无法强制转换为javax.swing.table.DefaultTableModel [英] org.jdesktop.swingbinding.JTableBinding$BindingTableModel cannot be cast to javax.swing.table.DefaultTableModel

问题描述

我尝试对JTable标头进行分组，为此我想获得当前JTable的DefaultTableModel。但是当我试图像这样检索表模型时：

I tried to group JTable header and for that I want to get the DefaultTableModel of current JTable. But when I tried to retrieve the table model like this:

DefaultTableModel dm=(DefaultTableModel) tblTet.getModel();

它显示以下异常：

org.jdesktop.swingbinding.JTableBinding $ BindingTableModel不能
强制转换为javax.swing.table.DefaultTableModel

org.jdesktop.swingbinding.JTableBinding$BindingTableModel cannot be cast to javax.swing.table.DefaultTableModel

因为我使用的是JTableBeansBinding。

Because I am using JTableBeansBinding.

有谁知道如何解决这个问题（检索DefaultTableModel）？

Does anyone know how to solve this problem (for retrieving DefaultTableModel)?

推荐答案

根据 JavaDoc for BindingTableModel ，该类不扩展DefaultTableModel。相反，它实现了TableModel接口。这意味着你不能转换为DefaultTableModel，只能转换为TableModel：

According to the JavaDoc for BindingTableModel, the class doesn't extend DefaultTableModel. Rather, it implements TableModel interface. This means that you cannot cast to DefaultTableModel, only to TableModel:

TableModel dm=(TableModel) tblTet.getModel();

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