viewer3d.java

主要为一个空间信息管理系统

package edu.whu.gui;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.geom.Dimension2D;

public class Viewer3D extends JFrame {

    //表头信息
    private String[] colname = {"姓名","性别","年龄","帐号","密码"};
    //表内容
    private Object[][] data = {{"张三", new Boolean(true), "18", "Zhang3", "12345"},
                               {"李四", new Boolean(true), "22", "Li4", "54321"},
                               {"王五", new Boolean(false), "23", "Wang5", "52052"},
                               {"啊明", new Boolean(true), "19", "A_ming", "28865"},
                               {"珊珊", new Boolean(false), "21", "Sam3", "33333"}};

    //界面组件----------------------//
    private JButton showPassword = new JButton("显示密码");

    private JScrollPane scroPanel = new JScrollPane(); //中层滚动面板
    private DefaultTableModel model; //列表默认TableModel
    private JTable table;

    private JTextArea show = new JTextArea(6, 10);
    private JScrollPane showPanel = new JScrollPane(show); //底层滚动面板



//-----------------------------------------------------------//

/**
 * 构造方法 Viewer3D()
 */
    public Viewer3D() {
        makeFace();  //界面构建
        addListener();  //添加监听
        showFace();  //界面显示
    }



//-----------------------------------------------------------//

/**
 * 方法: 界面构建 makeFace()
 */
    private void makeFace() {
        JPanel upPanel = new JPanel();
        upPanel.add(showPassword);


        table = new JTable(model = new DefaultTableModel(data,colname) {
                    public Class getColumnClass(int column) {
                        return getValueAt(0, column).getClass();
                    }
                });
        Object[] tt=new Object[8];
        tt[0]="aa";
        tt[1]=new Boolean(true);
        tt[2]="21";
        tt[3]="44";
        model.addRow(tt);
        //设置密码格编辑器-------------------//
        JPasswordField passwordEdit = new JPasswordField();
        passwordEdit.setBorder(null);
        table.getColumn("密码").setCellEditor(new DefaultCellEditor(passwordEdit));


        //设置密码格表现器-------------------//
        table.getColumn("密码").setCellRenderer(new DefaultTableCellRenderer() {
            //重写 setValue 方法
            public void setValue(Object value) {
                String password = "";
                int wordLong = value.toString().length();

                for(int i = 0; i < wordLong; i++)
                    password += "*";

                super.setValue(password);
            }
        });

        scroPanel.getViewport().setBackground(Color.white);
        scroPanel.getViewport().add(table);


        JPanel downPanel = new JPanel();
        downPanel.setLayout(new BorderLayout());
        downPanel.add(showPanel);

        //总体界面布局------------------------//
        getContentPane().add(upPanel, BorderLayout.NORTH);
        getContentPane().add(scroPanel, BorderLayout.CENTER);
        getContentPane().add(downPanel, BorderLayout.SOUTH);
    }


/**
 * 方法: 界面显示 showFace()
 */
    private void showFace() {
        setTitle("JTable 密码格示例");
        setSize(500,300);
        Toolkit tmpTK = Toolkit.getDefaultToolkit();
        Dimension dime = tmpTK.getScreenSize();
        setLocation(dime.width - 250, dime.height - 200);
        show();
    }


/**
 * 方法: 添加事件监听 addListener()
 */
    private void addListener() {
        //添加窗口关闭事件
        this.addWindowListener(new WindowAdapter(){
            public void windowClosing(WindowEvent e){
                new JFrame().setVisible(false);
                dispose();
                System.exit(0);
            }
        });

        //显示密码
        showPassword.addMouseListener(new MouseAdapter(){
            public void mousePressed(MouseEvent e){
                String txt = "张三 >>> " + table.getValueAt(0, 4) + "\n"
                           + "李四 >>> " + table.getValueAt(1, 4) + "\n"
                           + "王五 >>> " + table.getValueAt(2, 4) + "\n"
                           + "啊明 >>> " + table.getValueAt(3, 4) + "\n"
                           + "珊珊 >>> " + table.getValueAt(4, 4) + "\n";
               show.setText(txt);
            }
        });
    }



//----------------------------------------------------------//

/**
 * 程序入口 main(String args[])
 */
    public static void main(String args[]) {

        //获取设置系统风格-------------------//
        try {
            String laf = UIManager.getSystemLookAndFeelClassName();
            UIManager.setLookAndFeel(laf);
        } catch (Exception e) {}

        //全局字体设置-----------------------//
        Font font1 = new Font("宋体",Font.PLAIN,12);
        Font font2 = new Font("宋体",Font.PLAIN,15);
        UIManager.put("Button.font",font1);
        UIManager.put("Table.font",font1);
        UIManager.put("TableHeader.font",font1);

        //启动示例--------------------------//
        new Viewer3D();
    }
}