AWT中JTable单元格获得焦点

   AWT  JTable选中单元格代码  table.setColumnSelectionInterval(2,2);
 table.setRowSelectionInterval(2, 2);

 

package aa;

import java.util.ArrayList;
import java.util.List;
import java.util.Vector;

import javax.swing.table.AbstractTableModel;

public class Table_Model extends AbstractTableModel {
 
    //创建数据源
    private List content = null;

    private String[] title_name = { "qqqqqqq", "姓名", "性别", "年龄" };

    public Table_Model() {
        content = new Vector();
    }
      public boolean isCellEditable(int rowIndex, int columnIndex) {
        if (columnIndex == 0) {
            return false;
        }
        return true;
    }
    //返回 columnIndex 位置的列的名称。
    public String getColumnName(int col) {
        return title_name[col];
    }
    //返回该模型中的列数。
    public int getColumnCount() {
        return title_name.length;
    }
    //返回该模型中的行数。
    public int getRowCount() {
        return content.size();
    }
    //返回 columnIndex 和 rowIndex 位置的单元格值
    public Object getValueAt(int row, int col) {
        return ((Vector) content.get(row)).get(col);
    }

    public void addRow(String id,String name, String sex, String age) {
        Vector v = new Vector(4);
        v.add(0, id);
        v.add(1, name);
        v.add(2, sex);
        v.add(3, age);
        content.add(v);
    }
}

 

 

 

 

 

package aa;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;

 

public class Testss extends KeyAdapter{

    private JFrame frame = null;

    private JTable table = null;

    private Table_Model model = null;

    private JScrollPane s_pan = null;

    private JPanel pane = null;
    private JButton button_2 = null, button_3 = null;
    public Testss() {

        frame = new JFrame("JTableTest");
        pane = new JPanel();
       
        model = new Table_Model();
        table = new JTable(model);
        s_pan = new JScrollPane(table); 

        table.addKeyListener(this);
       
        button_2 = new JButton("添加数据");
        button_2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
             addData();
            }
           
        });
       
       
        button_3 = new JButton("测试数据");
        button_3.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
               table.requestFocusInWindow();

             table.editCellAt(2, 2, null);

            ///选中单元格代码
             table.setColumnSelectionInterval(2,2);
          table.setRowSelectionInterval(2, 2);
        
            }

          });
       
       
        pane.add(button_2);
        pane.add(button_3);
        frame.add(s_pan, BorderLayout.CENTER);
        frame.add(pane, BorderLayout.NORTH);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(300, 200);
        frame.setVisible(true);
    }
    public static void main(String args[]) {
        Testss tt=new Testss();
        tt.addData();
    }
    private void addData() {
     //TableModel中的addRow方法
          model.addRow("海涛","李逵","男", "19");

         model.addRow("海涛","李逵","男", "19");
         model.addRow("海涛","李逵","男", "19");

         model.addRow("海涛","李逵","男", "19");
    }

}

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