我从一个工作的jtable示例开始，我想添加一个事件侦听器，以便在值被更改时捕获。我发现最好的匹配是tablechanged（）。我将它添加到self.table=jtable（）并获取---typeerror:readonly属性。
我尝试了getfocus（）并测试运行了代码，没有出现错误。如何使用tablechanged（）？

"""

Swing JTable example in Jython.

Creates a simple table.

Greg Moore
Sept 2007

"""

from javax.swing import *
from java.awt import *
from javax.swing.table import DefaultTableModel

class Example:
   def new_data(self.event):   # I added this method ############
    print "got to new data"
    print event

  def __init__(self):
    frame = JFrame("Jython JTable Example")
    frame.setSize(400, 150)
    frame.setLayout(BorderLayout())

    self.tableData = [
      ['numbers', '67890' ,'This'],
      ['mo numbers', '2598790', 'is'],
      ['got Math', '2598774', 'a'],
      ['got Numbers', '1234567', 'Column'],
      ['got pi','3.1415926', 'Apple'],
       ]
    colNames = ('Col Labels','Go','Here')
    dataModel = DefaultTableModel(self.tableData, colNames)
    self.table = JTable(dataModel, tableChanged = self.new_data)

    scrollPane = JScrollPane()
    scrollPane.setPreferredSize(Dimension(300,100))
    scrollPane.getViewport().setView((self.table))

    panel = JPanel()
    panel.add(scrollPane)

    frame.add(panel, BorderLayout.CENTER)
    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE)
    frame.setVisible(True)

if __name__ == '__main__':
        Example()