源码:
CheckHeaderCellRenderer类
public class CheckHeaderCellRenderer implements TableCellRenderer {
CheckTableModle tableModel;
JTableHeader tableHeader;
final JCheckBox selectBox;
public CheckHeaderCellRenderer(JTable table) {
this.tableModel = (CheckTableModle)table.getModel();
this.tableHeader = table.getTableHeader();
selectBox = new JCheckBox(tableModel.getColumnName(0));
selectBox.setSelected(false);
tableHeader.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() > 0) {
//获得选中列
int selectColumn = tableHeader.columnAtPoint(e.getPoint());
if (selectColumn == 0) {
boolean value = !selectBox.isSelected();
selectBox.setSelected(value);
tableModel.selectAllOrNull(value);
tableHeader.repaint();
}
}
}
});
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
// TODO Auto-generated method stub
String valueStr = (String) value;
JLabel label = new JLabel(valueStr);
label.setHorizontalAlignment(SwingConstants.CENTER); // 表头标签剧中
selectBox.setHorizontalAlignment(SwingConstants.CENTER);// 表头标签剧中
selectBox.setBorderPainted(true);
JComponent component = (column == 0) ? selectBox : label;
component.setForeground(tableHeader.getForeground());
component.setBackground(tableHeader.getBackground());
component.setFont(tableHeader.getFont());
component.setBorder(UIManager.getBorder("TableHeader.cellBorder"));
return component;
}
}
CheckTableModle类
public class CheckTableModle extends DefaultTableModel {
public CheckTableModle(Vector data, Vector columnNames) {
super(data, columnNames);
}
// * 根据类型返回显示空间
// * 布尔类型返回显示checkbox
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
}
public void selectAllOrNull(boolean value) {
for (int i = 0; i < getRowCount(); i++) {
this.setValueAt(value, i, 0);
}
}
}
测试:TestFrame
public class TestFrame extends JFrame {
private JPanel contentPane;
private JTable table;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
TestFrame frame = new TestFrame();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public TestFrame() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("CheckBox Table");
this.setPreferredSize(new Dimension(400, 300));
// setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
table = new JTable();
JScrollPane scrollPane = new JScrollPane(table,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
contentPane.add(scrollPane, BorderLayout.CENTER);
initTable();
pack();
}
private void initTable(){
Vector headerNames=new Vector();
headerNames.add("全选");
headerNames.add("下单时间");
headerNames.add("订单编号");
headerNames.add("订单详情");
headerNames.add("订单状态");
Vector data=this.getData();
CheckTableModle tableModel=new CheckTableModle(data,headerNames);
table.setModel(tableModel);
table.getTableHeader().setDefaultRenderer(new CheckHeaderCellRenderer(table));
}
/**
* 获得数据
* @return
*/
private Vector getData(){
Vector data = new Vector();
Vector rowVector1=new Vector();
rowVector1.add(false);
rowVector1.add("AA");
rowVector1.add("25");
Vector rowVector2=new Vector();
rowVector2.add(false);
rowVector2.add("BB");
rowVector2.add("26");
Vector rowVector3=new Vector();
rowVector3.add(false);
rowVector3.add("CC");
rowVector3.add("1");
data.add(rowVector1);
data.add(rowVector2);
data.add(rowVector3);
return data;
}
}
通过测试,完美实现功能: