jtableexam.java

来自「Java程序设计实用教程源代码 本书源代码按章分别放置在不同的文件夹中,所有程」· Java 代码 · 共 50 行

import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
public class JTableExam extends JFrame{
  String[] caption={"正书名", "序列号", "编者","售价","出版单位"};
  String[][] data={{"ASP.NET","100","胡汉","25.00","北京大学出版社"},
                {"Java程序设计","102","胡一统","29.50","清华大学出版社"},
                {"打狗英雄","103","好汉","31.00","电子工业出版社"},
                {"返璞归真","104","侠女","23.00","科学出版社"}};
  JTable jtable = new JTable(data,caption);
  public JTableExam() {
    super("使用表格JTable");
    Container container = getContentPane();
    container.add(new JScrollPane(jtable), BorderLayout.CENTER);
    container.add(new ControlPanel(),BorderLayout.NORTH);
    setSize(420,200);
    setVisible(true);
  }
  class ControlPanel extends JPanel {
    private JCheckBox jcheckBox = new JCheckBox("编者");
    TableColumnModel columns = jtable.getColumnModel();
    TableColumn closecolumn = jtable.getColumn("编者");
    public ControlPanel(){
    	jcheckBox.setSelected(true);
      add(jcheckBox);
      jcheckBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
          if(jcheckBox.isSelected()) {
        	  columns.addColumn(closecolumn );
        	  columns.moveColumn(4,2);
          }
          else {
        	  columns.removeColumn(closecolumn );
          }
          jtable.sizeColumnsToFit(-1);
        }
      });
    }
  }
  public static void main(String args[]) {
    JTableExam jframe = new JTableExam();
    jframe.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
  }
}