首先,DefaultTableModel仍是要重寫的,不過能夠不用重寫整個類,只要寫一個繼承DefaultTableModel的類,裏面添加你要的響應函數就好了。代碼以下
class AddCheckboxTableModel extends DefaultTableModel{
/**
*
*/
private static final long serialVersionUID = 1L;
public MyTableModel(Object[][] data,String[] columns)
{ super(data,columns); }
public boolean isCellEditable(int row,int column){ //設置Table單元格是否可編輯
if(column==0)return true;
return false;
}
public Class<?> getColumnClass(int columnIndex)
{
if(columnIndex==0)
{ return Boolean.class;
}
return Object.class;
}
}
而後,在構建Jtable的時候就用這個datamodel,構建方法示例:
String[] columnNames = {"Check","ID","Name","Sex","Status","Entry-Date"};
Object[][] tableData = new Object[employeeList.size()][6];
for(int i =0; i<employeeList.size();i++)
{
tableData[i][0]=new Boolean(false);//用boolean就能夠把第一列顯示爲checkBox,這是JTable特有的功能
tableData[i][1]=employeeList.get(i).getEmployeeID();
tableData[i][2]=employeeList.get(i).getName();
tableData[i][3]=employeeList.get(i).getSex();
tableData[i][4]=employeeList.get(i).getStatus();
tableData[i][5]=employeeList.get(i).getEntryDay();
}
AddCheckboxTableModel tableModel = new AddCheckboxTableModel (tableData, columnNames);
table.setModel(tableModel);
table.setPreferredScrollableViewportSize(new Dimension(500, 300));
table.setAutoResizeMode(JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS);
table.setBounds(30,30,500,300);
table.setRowHeight (25);
這樣就能夠構建一個Table,除了第一列,其餘列都是不可編輯的。
若是想要爲能夠勾選的同時響應行點擊事件,能夠這樣作:
table.addMouseListener(adapter);
table.repaint();
table.updateUI();
private MouseAdapter adapter = new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
int row=table.getSelectedRow();
if(table.getSelectedColumn()==0)//若是是第一列的單元格,則返回,不響應點擊
return;
}