public class ExampleFrame_03 extends JFrame {
public static void main(String[] args) {
// TODO Auto-generated method stub
ExampleFrame_03 exampleFrame_02 = new ExampleFrame_03();
exampleFrame_02.setVisible(true);
}
public ExampleFrame_03() {
// TODO Auto-generated constructor stub
super();
setTitle("定义表格");
setBounds(100, 100, 500, 375);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JScrollPane scrollPane = new JScrollPane();
getContentPane().add(scrollPane, BorderLayout.CENTER);
String[] columnNames = { "A", "B", "C", "D", "E", "F", "G" };
Vector<String> columnNameV = new Vector<>();
for (int i = 0; i < columnNames.length; i++) {
columnNameV.add(columnNames[i]);
}
Vector<Vector<String>> tableValueV = new Vector<>();
for (int i = 0; i < 21; i++) {
Vector<String> iV = new Vector<>();
for (int j = 0; j < columnNames.length; j++) {
iV.add(columnNames[j] + i);
}
tableValueV.add(iV);
}
JTable table = new MTable(tableValueV, columnNameV);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
table.setSelectionBackground(Color.YELLOW);
table.setSelectionForeground(Color.RED);
table.setRowHeight(30);
scrollPane.setViewportView(table);
}
private class MTable extends JTable {
private static final long serialVersionUID = 1L;
public MTable(Vector<Vector<String>> rowData, Vector<String> columnNames) {
super(rowData, columnNames);
}
@Override
public JTableHeader getTableHeader() {
// TODO Auto-generated method stub
JTableHeader tableHeader = super.getTableHeader();
tableHeader.setReorderingAllowed(false);
DefaultTableCellRenderer hr = (DefaultTableCellRenderer) tableHeader.getDefaultRenderer();
hr.setHorizontalAlignment(DefaultTableCellRenderer.CENTER);
return tableHeader;
}
public TableCellRenderer getDefaultRenderer(Class<?> columnClass) {
DefaultTableCellRenderer cr = (DefaultTableCellRenderer)super.getDefaultRenderer(columnClass);
cr.setHorizontalAlignment(DefaultTableCellRenderer.CENTER);
return cr;
}
public boolean isCellEditable(int row ,int column) {
return false;
}
}
}