1、 清空按钮
privatevoid jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
//清空数据
DefaultTableModel dtm =(DefaultTableModel)jTable1.getModel();
int row = jTable1.getSelectedRow();
System.out.println(row);
if(row==-1)
row = 0;
dtm.removeRow(row);
}
2、 增加按钮
privatevoid jButton_AddActionPerformed(java.awt