显示到表中
ArrayList resultlist = Dao.Showuesr();
DefaultTableModel dtm = (DefaultTableModel) jTable1.getModel();
for (Iterator i = resultlist.iterator(); i.hasNext();) {
Vector map = (Vector) i.next();
dtm.addRow(map);
修改数据
显示 private void jButton1MouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton1MouseReleased
// TODO add your handling code here:
int row = jTable1.getSelectedRow();
if (row > -1) {
String name = jTextField1.getText();
String password = jTextField2.getText();
String banji = jTextField3.getText();
//修改表里的数据
jTable1.setValueAt(name, row, 0);