CORBA分布式银行系统

package Database; import javax.swing.*; import java.sql.*; import java.util.Vector; public class DatabaseTableModel extends javax.swing.table.AbstractTableModel { protected String[] titles; //列标题 protected int[] types; //各列的数据类型 protected Vector data; //二维表的数据 public DatabaseTableModel(ResultSet rs) { try{ //取的结果集中的元数据 ResultSetMetaData meta = rs.getMetaData(); int columnCount = meta.getColumnCount(); titles = new String[columnCount]; types = new int[columnCount]; for(int index = 1; index <= columnCount; index ++){ titles[index - 1] = meta.getColumnName(index); types[index - 1] = meta.getColumnType(index); } data = new Vector(1000, 100); while(rs.next()){ Vector row = new Vector(30); for(int index = 1; index <= columnCount; index++) row.addElement(rs.getObject(index)); row.trimToSize(); data.addElement(row); } data.trimToSize(); }catch(SQLException exc){ System.out.println(exc.getMessage()); System.exit(1); } } public void printData() { System.out.print("账户余额详单"+'\n'); for(int i=0;i<data.size();i++) { System.out.print('\n'+"账号名称："+'\t'+getValueAt(i, 0)); System.out.print('\n'+"账号余额："+'\t'+getValueAt(i, 1).toString()+'\n'); } } public int getRowCount(){ return data.size(); } public int getColumnCount(){ return titles.length; } public String getColumnName(int col){ return titles[col]; } public Object getValueAt(int row, int col){ return ((Vector)data.elementAt(row)).elementAt(col); } }