Java 单击按钮时从 jtable 中删除选定的行
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remove a selected row from jtable on button click
提问by kdubey007
I want to remove a Selected row from a table in java. The event should be performed on button click. I will be thank full if someone helps...
我想从 java 中的表中删除选定的行。该事件应在按钮单击时执行。如果有人帮助，我将不胜感激...
For example there is a table named sub_table with 3 columns i.e sub_id, sub_name,class. when I select one of the rows from that table and click delete button that particular row should be deleted..
例如，有一个名为 sub_table 的表，包含 3 列，即 sub_id、sub_name、class。当我从该表中选择一行并单击删除按钮时，应删除该特定行。
回答by Braj
It's very simple.
这很简单。
- Add
ActionListeneron button. - Remove selected row from the model attached to table.
- 添加
ActionListener按钮。 - 从附加到表的模型中删除选定的行。
Sample code: (table having 2 columns)
示例代码：（表有 2 列）
Object[][] data = { { "1", "Book1" }, { "2", "Book2" }, { "3", "Book3" },
{ "4", "Book4" } };
String[] columnNames = { "ID", "Name" };
final DefaultTableModel model = new DefaultTableModel(data, columnNames);
final JTable table = new JTable(model);
table.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);
JButton button = new JButton("delete");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
// check for selected row first
if (table.getSelectedRow() != -1) {
// remove selected row from the model
model.removeRow(table.getSelectedRow());
}
}
});
