import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class JTableOperation extends JFrame {
public JTableOperation()
{
super();
setTitle(“表格”);
setBounds(100,100,500,500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JScrollPane scrollPane = new JScrollPane(); //支持滚动
getContentPane().add(scrollPane,BorderLayout.CENTER);
String[] columnNames = {“A”,”B”,”C”,”D”,”E”,”F”,”G”};
Vector columnNameV = new Vector(); //获得表头
for(int column = 0;column
{
columnNameV.add(columnNames[column]);
}
Vector tableValueV = new Vector();
for(int row = 1;row<21;row++) //获得数据
{
Vector rowV = new Vector();
for(int column = 0;column
{
rowV.add(columnNames[column]+row); //数据
}
tableValueV.add(rowV);
}
final JTable table = new MyTable(tableValueV,columnNameV); //自定义的表格 请参考上一页上的自定义类
table.setRowSelectionInterval(1, 3); //设置选择中行
table.addRowSelectionInterval(5, 5); //追加
scrollPane.setViewportView(table);
JPanel buttonPanel =new JPanel(); //按钮面板
getContentPane().add(buttonPanel,BorderLayout.SOUTH); //在下方。
JButton selectAllButton = new JButton(“全部选择”);
selectAllButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
table.selectAll(); //选中所有的行
}
});
buttonPanel.add(selectAllButton);
JButton clearSelectionButton = new JButton(“取消选择”);
clearSelectionButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
table.clearSelection(); //取消选择
}
});
buttonPanel.add(clearSelectionButton);
System.out.println(“表格共有:”+table.getRowCount()+”行 “+ table.getColumnCount()+”列”);
System.out.println(“共有:”+table.getSelectedRowCount()+”行被选中”);
System.out.println(“第三行的状态:”+table.isRowSelected(2)); //第三行
System.out.println(“第5行的状态:”+table.isRowSelected(4));//第5行
System.out.println(“被选中的第一行的索引:”+table.getSelectedRow()); //被选中的第一行的索引,没有选中返回-1
int [] selectRows = table.getSelectedRows(); //获得所有被选中的索引
System.out.println(“以下为所有被选中的行:”);
for(int i=0;i
System.out.println(selectRows[i]+” “);
}
System.out.println();
System.out.println(“列移动前第2列的名称是:”+table.getColumnName(1)); //第2列
System.out.println(“列移动前第2行第2列的值:”+table.getValueAt(1, 1)); //2,2
table.moveColumn(1, 5);
System.out.println(“列移动后第2列的名称:”+table.getColumnName(1));
System.out.println(“列移动后第2行第2列的值:”+table.getValueAt(1, 1));
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//JTableOperation
JTableOperation jTableOperation= new JTableOperation();
jTableOperation.setVisible(true);
}
}