JTable的事件大致均针对表格内容的异操作处理，包括字段内容改变，列数增加 或减少，行数增加或减少，或是表格的结构改变等等。这些事件我们称为TableModelEvent事件-J incidents against virtually all forms of content varies handle, including field content changes are an increase or decrease, but a few increase or decrease, or