Jtable表头的第一列为JCheckBox的绘制方法

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Vector;

import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
import javax.swing.table.TableCellRenderer;

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("列选择");
headerNames.add("姓名");
headerNames.add("年龄");
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("Benson");
rowVector1.add("25");

Vector rowVector2=new Vector();
rowVector2.add(false);
rowVector2.add("Laura");
rowVector2.add("26");

Vector rowVector3=new Vector();
rowVector3.add(false);
rowVector3.add("YOYO");
rowVector3.add("1");

data.add(rowVector1);
data.add(rowVector2);
data.add(rowVector3);

return data;
}

}
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);
}
}

}
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;
}

}