SuperVCD（纯JAVA编程）

package com.ascent.supervcd.ui; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.util.ArrayList; import java.util.Vector; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JPanel; import javax.swing.JTabbedPane; import com.ascent.supervcd.service.DataAccessor; import com.ascent.supervcd.service.MusicDataAccessor; import com.ascent.supervcd.service.MusicDataClient; import com.ascent.supervcd.util.MusicRecording; import com.ascent.supervcd.util.Recording; public class MainFrame extends JFrame{ public MainFrame(){ super("欢迎使用SuperVCD信息管理系统"); load(); } ArrayList recordings = new ArrayList(); JComboBox jcb = null ; MusicDataClient mdc = null ; JList list = new JList(); public void load(){ //第一步，选择容器 //JFrame frame = new JFrame(); //第二步，设置布局管理器,ManagerLayout //frame.setLayout(new BorderLayout()); //第三步，添加组件对象 //--------------------------------------------------- // 1 创建菜单条 JMenuBar JMenuBar menuBar = new JMenuBar(); // 2 创建菜单 JMenu JMenu jfile = new JMenu("文件"); JMenuItem jopen = new JMenuItem("打开"); // 创建菜单项 JMenuItem jsave = new JMenuItem("保存"); JMenuItem jpreview = new JMenuItem("预览"); JMenuItem jprint = new JMenuItem("打印"); JMenuItem exit = new JMenuItem("退出"); exit.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { setVisible(false); dispose(); System.exit(0); } } ); jfile.add(jopen); // 将菜单项加入到菜单中 jfile.add(jsave); jfile.addSeparator(); // 添加一个分隔线 jfile.add(jpreview); jfile.add(jprint); jfile.addSeparator(); jfile.add(exit); JMenu joption = new JMenu("选项"); JMenu jabout = new JMenu("关于"); JMenuItem about = new JMenuItem("帮助"); jabout.add(about); // 3 将菜单添加到JMenuBar中 menuBar.add(jfile); menuBar.add(joption); menuBar.add(jabout); this.setJMenuBar(menuBar); //------------------------------------------------ JTabbedPane tabby = new JTabbedPane(JTabbedPane.TOP); JPanel music = new JPanel(); music.setLayout(new BorderLayout()); JLabel label = new JLabel("请选择分类:"); mdc = new MusicDataClient(); ArrayList<String> categorynames = mdc.getCategories(); Vector<String> vs = new Vector<String>(); vs.add("------"); for(String name : categorynames){ vs.add(name); } jcb = new JComboBox(vs); jcb.addItemListener( new ItemListener() { public void itemStateChanged(ItemEvent e) { if(ItemEvent.SELECTED == e.getStateChange()){ String categoryname =(String)jcb.getSelectedItem(); if(categoryname.startsWith("--")){ recordings = new ArrayList(); }else{ recordings = mdc.getRecordings(categoryname); } list.setListData(new Vector(recordings)); } } } ); list.setListData(new Vector(recordings)); final JFrame frame = this ; JButton details = new JButton("详细..."); details.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { int index = list.getSelectedIndex(); MusicRecording r = (MusicRecording)recordings.get(index); new MusicDetailsDialog(frame,r); } } ); JButton clear = new JButton("清空"); JButton exitf = new JButton("退出"); exitf.addActionListener( new ActionListener(){ public void actionPerformed(ActionEvent e) { setVisible(false); dispose(); System.exit(0); } } ); JPanel top = new JPanel(); top.add(label); top.add(jcb); JPanel center = new JPanel(); center.setLayout(new BorderLayout()); center.add(list,BorderLayout.CENTER); JPanel bottom = new JPanel(); bottom.add(details); bottom.add(clear); bottom.add(exitf); music.add(top,BorderLayout.NORTH); music.add(center,BorderLayout.CENTER); music.add(bottom,BorderLayout.SOUTH); JPanel game = new JPanel(); tabby.addTab("音乐", music); tabby.addTab("游戏", game); this.getContentPane().add(tabby,BorderLayout.CENTER); //frame.add(tabby,BorderLayout.CENTER); this.setSize(800, 600); this.setLocation(200, 100); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } }